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2K(EDTA 2K) 2K(EDTA 2K), Ethylenediamine-N,N,N EN Etetraacetic acid, dipotassium salt, dihydrate [CAS: 25102-12-9]
Item #: K001 -

    ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, dipotassium salt, dihydrate CAS: 25102-12-9Appearance: White powder or white crystalline powderPurity: ≥99.0% (Titration)MW: 404.45, C10H14K2N2O8, 2H2OStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroduction Organic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or...

    2NA(EDTA 2Na) 2NA(EDTA 2Na), Ethylenediamine-N,N,N EN Etetraacetic acid, disodium salt, dihydrate [CAS: 6381-92-6]
    Item #: N001 -

      ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, disodium salt, dihydrateCAS: 6381-92-6Appearance: White powderPurity: ≥99.5% (as dihydrate,Titration)MW: 372.24, C10H14N2Na2O8, 2H2OStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or sulfur atoms in their...

      2NH4(EDTA 2NH4) 2NH4(EDTA 2NH4), Ethylenediamine-N,N,N EN Etetraacetic acid, diammonium salt [CAS: 20824-56-0]
      Item #: N008 -

        ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, diammonium saltCAS: 20824-56-0Appearance: White powderPurity: ≥99.0% (Titration)MW: 326.30, C10H22N4O8Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or sulfur atoms in their molecules. Chelate structures...

        3-Oxatridecyl-a-D-mannoside 3-Oxatridecyl-a-D-mannoside, 3-Oxatridecyl-a-D-mannopyranoside
        Item #: O401 -

          Chemical Name: 3-Oxatridecyl-α-D-mannopyranosideAppearance: White powderPurity: ≥95.0% (GC)MW: 364.47, C18H36O7Storage Condition: 0-5ºCShipping Condition: ambient temperatureIntroductionThe phospholipid bilayer is the basic structure of the cell membrane. The most important functions of cells include transportation of substances, energy exchange, and transmission of information. These functions are conducted at the cell membrane by membrane proteins. In membrane biochemistry research, membrane...

          3K(EDTA 3K) 3K(EDTA 3K), Ethylenediamine-N,N,N EN Etetraacetic acid, tripotassium salt, dihydrate [CAS: 65501-24-8]
          Item #: K002 -

            ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, tripotassium salt, dihydrate CAS: 65501-24-8Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 442.54, C10H13K3N2O8, 2H2O Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or sulfur atoms in...

            3NA(EDTA 3Na) 3NA(EDTA 3Na), Ethylenediamine-N,N,N EN Etetraacetic acid, trisodium salt, trihydrate [CAS: 150-38-9]
            Item #: N002 -

              ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, trisodium salt, trihydrate CAS: 85715-60-2Appearance: White powderPurity: ≥98.0% (as trihydrate,Titration)MW: 412.23, C10H13N2Na3O8, 3H2OStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or sulfur atoms in...

              4H(EDTA free acid) 4H(EDTA free acid), Ethylenediamine-N,N,N EN Etetraacetic acid [CAS: 60-00-4]
              Item #: H001 -

                ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acidCAS: 60-00-4Appearance: White powderPurity: ≥99.0% (Titration)MW: 292.24, C10H16N2O8Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or sulfur atoms in their molecules. Chelate structures with five or six...

                4NA(EDTA 4Na) 4NA(EDTA 4Na), Ethylenediamine-N,N,N EN Etetraacetic acid, tetrasodium salt, tetrahydrate [CAS: 13235-36-4]
                Item #: N003 -

                  ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, tetrasodium salt, tetrahydrate CAS: 13235-36-4Appearance: White crystalline powderPurity: ≥98.0% (as tetrahydrate,Titration)MW: 452.23, C10H12N2Na4O8, 4H2OStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or...

                  5-Br-PAPS 5-Br-PAPS, 2-(5-Bromo-2-pyridiylazo)-5-[N-n-propyl-N-(3-sulfopropyl)amino]phenol, disodium salt, dihydrate [CAS:91599-24-5]
                  Item #: B026 -

                    Chemical Name: 2-(5-Bromo-2-pyridiylazo)-5-[N-n-propyl-N-(3-sulfopropyl)amino]phenol, disodium salt, dihydrateCAS: 81608-06-2 (free acid)Appearance: Orange or reddish-brown crystalline powderAbsorbance (0.01 mmol/l): ≥0.420 (around 449 nm)Absorbance (0.01 mmol/l): ≤0.040 (at 552 nm)MW: 537.34, C17H19BrN4Na2O4S,2H2OStorage Condition: ambient temperature, protect from metal and moisture Shipping Condition: ambient temperatureProduct Description5-Br-PAPS, a water-soluble derivative of...

                    5-Br-PSAA 5-Br-PSAA, 2-(5-Bromo-2-pyridylazo)-5-[N-n-propyl-N-(3-sulfopropyl)amino]aniline, sodium salt [CAS:87035-60-7]
                    Item #: B027 -

                      Chemical Name: 2-(5-Bromo-2-pyridylazo)-5-[N-n-propyl-N-(3-sulfopropyl)amino]aniline, sodium salt CAS: 86035-60-7 Appearance: reddish-orange or orange powder Molar Absorptivity: ≥86,000 at 558 nmAbsorbance: ≥0.400 (around 458 nm)MW: 478.34, C17H21BrN5NaO3SStorage Condition : ambient temperatureShipping Condition : ambient temperatureProduct Description5-Br-PSAA is a water-soluble colorimetric reagent for Fe(II) and Co(III) detection. This reagent forms colored complexes with Fe, Ni, Cu,...

                      ACES ACES, N-(2-Acetamido)-2-aminoethanesulfonic acid [CAS: 7365-82-4]
                      Item #: GB01 -

                        Chemical Name: N-(2-Acetamido)-2-aminoethanesulfonic acid CAS: 7365-82-4Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 182.20, C4H10N2O4SStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroduction In biological experiments, it is important to maintain the pH of the solutions used. Buffers, mixtures of appropriate weak acids, and their conjugate bases, are usually used. Most biological reactions occur at a neutral pH, from 6 to...

                        ADA ADA, N-(2-Acetamido)iminodiacetic acid [CAS: 26239-55-4]
                        Item #: GB02 -

                          Chemical Name: N-(2-Acetamido)iminodiacetic acid CAS: 26239-55-4Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 190.15, C6H10N2O5Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionIn biological experiments, it is important to maintain the pH of the solutions used. Buffers, mixtures of appropriate weak acids, and their conjugate bases, are usually used. Most biological reactions occur at a neutral pH, from 6 to 8; the...

                          ALC ALC, 3-[N,N-Bis(carboxymethyl)aminomethyl]-1,2-dihydroxyanthraquinone [CAS: 3952-78-1]
                          Item #: A006 -

                            Chemical Name: 3-[N,N-Bis(carboxymethyl)aminomethyl]-1,2-dihydroxyanthraquinone CAS: 3952-78-1Application: F- detection, colorimetricAppearance: Yellowish orange or Yellowish brown powderAbsorbance (0.10 mmol/l, pH5.1): ≥0.420 (around 430 nm)MW: 385.32, C19H15NO8Storage Condition: ambient temperature, protect from light Shipping Condition: ambient temperatureChemical StructureProduct DescriptionALC is utilized for colorimetric detection of fluoride ion. A red solution of the La(III) or...

                            Alq3, sublimed Alq3, sublimed, Tris(8-hydroxyquinolinato)aluminum(III) [CAS: 2085-33-8]
                            Item #: T203 -

                              ChemicalName: Tris(8-hydroxyquinolinato)aluminum(III)CAS: 2085-33-8Appearance: yellow or yellowish green powderPurity: ≥98.5% (Titration)MW: 459.43, C27H18AlN3O3Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or sulfur atoms in their molecules. Chelate structures...

                              Arsemate Arsemate, Diethyldithiocarbamic acid, silver salt [CAS: 1470-61-7]
                              Item #: A012 -

                                Chemical Name: Diethyldithiocarbamic acid, silver salt CAS: 1470-61-7Appearance: Yellow powderPurity: ≥98.0% (Titration)MW: 256.14, C5H10AgNS2 Storage Condition: ambient temperature, protect from lightShipping Condition: ambient temperatureChemical StructureProduct DescriptionArsemate is soluble in pyridine and chloroform, but insoluble in water and other organic solvents. For arsenic detection, a 0.5% Arsemate/pyridine solution is used. The sample should be treated with sulfuric acid,...

                                Azomethine H Azomethine H, 8-Hydroxy-1-(salicylideneamino)-3,6-naphthalenedisulfonic acid, disodium salt [CAS: 32266-60-7]
                                Item #: A015 -

                                  Chemical Name: 8-Hydroxy-1-(salicylideneamino)-3,6-naphthalenedisulfonic acid, disodium salt CAS: 32266-60-7 (free acid)Appearance: Yellowish-orange or yellowish-brown crystalline powderAbsorbance (B complex): ≥0.900 (around 413 nm)MW: 467.38, C17H11NNa2O8S2Storage Condition: ambient temperature, protect from light Shipping Condition: ambient temperatureChemical StructureProduct DescriptionAzomethine H is a colorimetric reagent for boron detection; it forms an orange complex with boron in...

                                  Bathocuproine Bathocuproine, 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline [CAS: 4733-39-5]
                                  Item #: B001 -

                                    Chemical Name: 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrolineCAS: 4733-39-5Appearance: White or yellow crystalline powderAbsorbance: ≥0.810 (around 280 nm)Absorbance (Cu complex): ≥0.580 (around 475 nm)MW: 360.45, C26H20N2Storage Condition: ambient temperature Shipping Condition: ambient temperatureChemical StructureProduct DescriptionBathocuproine is a Cu(I)-specific colorimetric reagent. An orange Bathocuproine-Cu(I) complex can be extracted with n-hexylalcohol or iso-amylalcohol. The...

                                    Bathocuproine, sublimed Bathocuproine, sublimed, 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline [CAS: 4733-39-5]
                                    Item #: B446 -

                                      ChemicalName: 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline CAS: 4733-39-5Appearance: White or pale yellow powderPurity: ≥98.0% (HPLC)MW: 360.45, C26H20N2Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or sulfur atoms in their molecules. Chelate structures with...

                                      Bathocuproinedisulfonic acid, disodium salt Bathocuproinedisulfonic acid, disodium salt, 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrolinedisulfonic acid, disodium salt, CAS 98645-85-3, CAS 52698-84-7
                                      Item #: B002 -

                                        Chemical Name: 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrolinedisulfonic acid, disodium salt CAS: 98645-85-3Appearance: White or pale yellowish-brown powderAbsorbance (0.02 mmol/l): ≥0.740 (around 285 nm)Absorbance (0.05 mmol/l, Cu complex): ≥0.210 (around 480 nm)MW: 564.54, C26H18N2Na2O6S2Storage Condition : ambient temperature, protect from lightShipping Condition : ambient temperatureProduct DescriptionBathocuproinedisulfonic acid is a water-soluble analog of bathocuproine that emits...

                                        Bathophenanthroline Bathophenanthroline, 4,7-Diphenyl-1,10-phenanthroline [CAS:1662-01-7]
                                        Item #: B003 -

                                          Chemical Name: 4,7-Diphenyl-1,10-phenanthroline CAS: 1662-01-7Appearance: White or pale yellow powderMolar absorptivity (Fe complex): ≥21,000 (around 535 nm)Absorbance (Fe complex): ≥0.600 (around 535 nm)MW: 332.40, C24H16N2Storage Condition : ambient temperatureShipping Condition : ambient temperatureProduct DescriptionBathophenanthroline is a highly selective colorimetric reagent for Fe(II) detection. Bathophenanthroline is soluble in organic  solvents and slightly soluble in...

                                          Bathophenanthrolinedisulfonic acid, disodium salt Bathophenanthrolinedisulfonic acid, disodium salt, 4,7-Diphenyl-1,10-phenanthrolinedisulfonic acid, disodium salt, CAS 98645-86-4, CAS:52746-49-3
                                          Item #: B004 -

                                            Chemical Name: 4,7-Diphenyl-1,10-phenanthrolinedisulfonic acid, disodium salt CAS: 98645-86-4 Appearance: White, pale pink, or pale brown powderAbsorptivity (Fe2+ free): ≥ 0.010 at 535 nmAbsorptivity (Fe2+ complex): ≥0.500 (around 535 nm)MW: 536.49, C24H14N2Na2O6S2Storage Condition : ambient temperatureShipping Condition : ambient temperatureProduct DescriptionBathophenanthrolinedisulfonic acid, disodium salt is a water-soluble derivative of Bathophenanthroline. It is insoluble...

                                            BES BES, N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid [CAS: 10191-18-1]
                                            Item #: GB03 -

                                              Chemical Name: N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid CAS: 10191-18-1Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 213.25, C6H15NO5SStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical Structure IntroductionIn biological experiments, it is important to maintain the pH of the solutions used. Buffers, mixtures of appropriate weak acids, and their conjugate bases, are usually used. Most biological reactions occur at a neutral pH,...

                                              Bicine Bicine, N,N-Bis(2-hydroxyethyl)glycine [CAS: 150-25-4]
                                              Item #: GB04 -

                                                Chemical Name: N,N-Bis(2-hydroxyethyl)glycine CAS: 150-25-4Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 163.17, C6H13NO4Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical Structure IntroductionIn biological experiments, it is important to maintain the pH of the solutions used. Buffers, mixtures of appropriate weak acids, and their conjugate bases, are usually used. Most biological reactions occur at a neutral pH, from 6 to 8; the buffer...

                                                BIGCHAP BIGCHAP, N,N-Bis(3-D-gluconamidopropyl)cholamide [CAS: 86303-22-2]
                                                Item #: B043 -

                                                  Chemical Name: N,N-Bis(3-D-gluconamidopropyl)cholamide CAS: 86303-22-2Appearance: White powderPurity: ≥95.0% (HPLC)MW: 878.06, C42H75N3O16Storage Condition: ambient temperatureShipping Condition: ambient temperatureProduct Description of BIGCHAPsBIGCHAP and deoxy-BIGCHAP are non-ionic detergents based on a cholic acid and a bisglucon-amidopropyl group. The CMC values are 2.9 mM and 1.4 mM, respectively. BIGCHAP and deoxy-BIGCHAP are easily removed by dialysis, and their absorption in the UV...

                                                  Bis(12-crown-4) Bis(12-crown-4), Bis[(12-crown-4)methyl]-2-dodecyl-2-methylmalonate [CAS: 80403-59-4]
                                                  Item #: B021 -

                                                    Chemical Name: Bis[(12-crown-4)methyl] 2-dodecyl-2-methylmalonate CAS: 80403-59-4 Appearance: pale yellow liquid Purity: ≥95.0% (HPLC; RI)MW: 662.85, C34H62O12Storage Condition : ambient temperatureShipping Condition : ambient temperatureProduct Description The NAS11-8 glass electrode is utilized as a selective sodium ion sensor. However, it is easily spoiled by biomaterials in sample solutions. Bis(12-crown-4), a sodium ionophore, is 100 times more selective for sodium than...

                                                    Bis(benzo-15-crown-5) Bis(benzo-15-crown-5), Bis[(benzo-15-crown-5)-4-methyl]pimelate [CAS:69271-98-3]
                                                    Item #: B020 -

                                                      Chemical Name: Bis[(benzo-15-crown-5)-4-methyl]pimelate CAS:69271-98-3 Appearance: White powder Purity: ≥98.0% (HPLC)MW: 720.80, C37H52O14Storage Condition: ambient temperatureShipping Condition: ambient temperatureProduct DescriptionBis(benzo-15-crown-5) is a potassium selective ionophore. Its potassium ion selectivity is almost equal to that of valinomycin, which is a wellknown neutral carrier for the potassium ion in nature. This reagent, combined with NPOE as a plasticizer, is the...

                                                      Bis-Tris Bis-Tris, Bis(2-hydroxyethyl)iminotris(hydroxymethyl)methane [CAS: 6976-37-0]
                                                      Item #: GB05 -

                                                        Chemical Name: Bis(2-hydroxyethyl)iminotris(hydroxymethyl)methane CAS: 6976-37-0Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 209.24, C8H19NO5Storage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionIn biological experiments, it is important to maintain the pH of the solutions used. Buffers, mixtures of appropriate weak acids, and their conjugate bases, are usually used. Most biological reactions occur at a neutral pH, from...

                                                        Bisthiourea-1 Bisthiourea-1, 2,7-Di-tert-butyl-9,9-dimethyl-4,5-bis(N-n-butyl-thioureido)xanthene [CAS:187404-67-7]
                                                        Item #: B432 -

                                                          Chemical Name: 2,7-Di-tert-butyl-9,9-dimethyl-4,5-bis(N En-butylthioureido)xanthene CAS: 187404-67-7Appearance: White or slightly yellow powderPurity: ≥98.0% (HPLC)MW: 582.91, C33H50N4OS2Storage Condition: ambient temperature Shipping Condition: ambient temperatureProduct DescriptionBisthiourea-1 is a chloride-selective neutral ionophore, and it is utilized for preparation of chloride electrodes. Bisthiourea-1 forms a 1:1 complex with chloride ion. The detection limit of chloride ion...

                                                          BT BT, 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitro-4-naphthalenesulfonic acid, sodium salt [CAS:1787-61-7]
                                                          Item #: B015 -

                                                            Chemical Name: 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitro-4-naphthalenesulfonic acid, sodium salt CAS: 1787-61-7 Appearance: Black or blackish brown powderAbsorbance in borate buffer(1 mg / 100 ml, pH9): ≥0.400(around 620 nm)MW: 461.38, C20H12N3NaO7SStorage Condition : ambient temperatureShipping Condition : ambient temperatureProduct Description BT in aqueous solution changes color according to pH: red at pH<6, blue at pH 7-11, and orange at pH>12. Its proton dissociation...

                                                            C14-K22B5 C14-K22B5, 4,13-Bis[N-(1-adamantyl)carbamoylacetyl]-8-tetradecyl-1,7,10,16-tetraoxa-4,13-diazacyclooctadecane
                                                            Item #: C391 -

                                                              ChemicalName: 4,13-Bis[N-(1-adamantyl)carbamoylacetyl]-8-tetradecyl-1,7,10,16-tetraoxa-4,13-diazacyclooctadecaneAppearance: White powder or solidPurity: ≥95.0% (HPLC)MW: 897.28, C52H88N4O8Storage Condition: -20ºCShipping Condition: ambient temperatureProduct DescriptionC14-K22B5 is the best magnesium selective ionophore. The PVC membrane stability is improved by this ionophore’s high lipophilicity due totetraoctadecane and adamantyl groups. C14-K22B5 has a linear response between 1x10-5 M...

                                                              Ca(II)-EDTA Ca(II)-EDTA, Ethylenediamine-N,N,N EN Etetraacetic acid, calcium, disodium salt, dihydrate [CAS: 62-33-9]
                                                              Item #: E008 -

                                                                ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, calcium, disodium salt, dihydrate CAS: 62-33-9 (as an anhydride)Appearance: White powderPurity: ≥99.0% (Titration)MW: 410.30, C10H12CaN2Na2O8, 2H2OStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or...

                                                                Calcein Calcein, Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein [CAS:1461-15-0]
                                                                Item #: C001 -

                                                                  ChemicalName: Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein CAS: 1461-15-0Appearance: Yellowish orange powderFree fluorescein: To pass testMW: 622.53, C30H26N2O13Storage Condition: ambient temperature, protect from lightShipping Condition: ambient temperatureProduct DescriptionCalcein is a fluorescent metal indicator for calcium detection with EDTA titration. It is slightly soluble in water. The proton dissociation constants are reported to be pKa1=2.1, pKa2=2.9, pKa3=4.2, pKa4=5.5,...

                                                                  Calcein Blue Calcein Blue, 8-[N,N-Bis(carboxymethyl)aminomethyl]-4-methylunbelliferone [CAS: 54375-47-2]
                                                                  Item #: C002 -

                                                                    ChemicalName: 8-[N,N-Bis(carboxymethyl)aminomethyl]-4-methylunbelliferone CAS: 54375-47-2Appearance: White or pale yellow powderSensitivity: To pass testMW: 321.28, C15H15NO7Storage Condition: ambient temperature, protect from lightShipping Condition: ambient temperatureProduct DescriptionCalcein Blue is a fluorescent metal indicator in EDTA titration. It is highly soluble in alkaline solutions, but slightly soluble in water. Its proton dissociation constants are reported to be pKa1=2.45,...

                                                                    CAPS CAPS, N-Cyclohexyl-3-aminopropanesulfonic acid [CAS: 1135-40-6]
                                                                    Item #: GB06 -

                                                                      Chemical Name: N-Cyclohexyl-3-aminopropanesulfonic acid CAS: 1135-40-6Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 221.32, C9H19NO3SStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical Structure IntroductionIn biological experiments, it is important to maintain the pH of the solutions used. Buffers, mixtures of appropriate weak acids, and their conjugate bases, are usually used. Most biological reactions occur at a neutral pH, from 6 to 8;...

                                                                      Cesibor Cesibor, Tetrakis(4-fluorophenyl)borate, sodium salt, dihydrate [CAS: 25776-12-9]
                                                                      Item #: C007 -

                                                                        ChemicalName: Tetrakis(4-fluorophenyl)borate, sodium salt, dihydrate CAS: 25776-12-9Appearance: White powderPurity: ≥98.0% (Grav.)MW: 450.21, C24H16BF4Na, 2H2OStorage Condition: 0-5ºCShipping Condition: ambient temperatureProduct DescriptionCesibor is a cesium ion selective tetraphenylborate compound, and is utilized as a precipitation reagent for cesium ion. Cesibor can precipitate only cesium ion from a mixture of ammonium, potassium, and cesium ions.Chemical Structure ...

                                                                        CHAPS CHAPS, 3-[(3-Cholamidopropyl)dimethylammonio]propanesulfonic acid [CAS: 75621-03-3] Licenced under U.S. Patent 4,372,888
                                                                        Item #: C008 -

                                                                          Chemical Name: 3-[(3-Cholamidopropyl)dimethylammonio]propanesulfonic acid  CAS: 75621-03-3 Appearance: White powderPurity: ≥97.0% (HPLC)MW: 614.88, C32H58N2O7SStorage Condition: ambient temperatureShipping Condition: ambient temperatureProduct Description of CHAPS and CHAPSOCHAPS and CHAPSO are zwitter ionic detergents and have cholic acid and sulfobetaine moieties in their structures. Their low background absorbance in the UV region is an attractive feature for the UV monitoring of...

                                                                          CHAPSO CHAPSO, 3[(3-Cholamidopropyl)dimethylammonio]-2-hydroxypropanesulfonic acid [CAS: 82473-24-3] Licenced under U.S. Patent 4,372,888
                                                                          Item #: C020 -

                                                                            Chemical Name: 3[(3-Cholamidopropyl)dimethylammonio]-2-hydroxypropanesulfonic acid CAS: 82473-24-3 Appearance: White powderPurity: ≥96.0% (HPLC)MW: 630.88, C32H58N2O8SStorage Condition: ambient temperatureShipping Condition: ambient temperatureProduct Description of CHAPS and CHAPSOCHAPS and CHAPSO are zwitter ionic detergents and have cholic acid and sulfobetaine moieties in their structures. Their low background absorbance in the UV region is an attractive feature for the UV monitoring of...

                                                                            CHES CHES, N-Cyclohexyl-2-aminoethanesulfonic acid [CAS: 103-47-9]
                                                                            Item #: GB07 -

                                                                              Chemical Name: N-Cyclohexyl-2-aminoethanesulfonic acidCAS: 103-47-9Appearance: White crystalline powderPurity: ≥99.0% (Titration)MW: 207.29, C8H17NO3SStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical Structure IntroductionIn biological experiments, it is important to maintain the pH of the solutions used. Buffers, mixtures of appropriate weak acids, and their conjugate bases, are usually used. Most biological reactions occur at a neutral pH, from 6 to 8; the...

                                                                              Chlorophosphonazo-III Chlorophosphonazo-III, 2,7-Bis(4-chloro-2-phosphonophenylazo)-1,8-dihydroxy-3,6- naphthalenedisulfonic acid, disodium salt [CAS: 1914-99-4]
                                                                              Item #: C010 -

                                                                                ChemicalName: 2,7-Bis(4-chloro-2-phosphonophenylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic acid CAS: 1914-99-4Appearance: Reddish brown or black purple crystalline powderAbsorbance (0.018 mmol/l): ≥0.530 (around 550 E570 nm)MW: 757.37, C22H16Cl2N4O14P2S2Storage Condition: ambient temperature, protect from metalShipping Condition: ambient temperatureProduct Description Chlorophosphonazo-III is a colorimetric reagent for thorium, uranium, lanthanoids, actinoids, and alkaline earth metals....

                                                                                Co(III)-5-Cl-PADAP Co(III)-5-Cl-PADAP, Bis[2-(5-chloro-2-pyridylazo)-5-diethylaminophenolato]cobalt(III) chloride [CAS: 81342-98-5]
                                                                                Item #: C021 -

                                                                                  ChemicalName: Bis[2-(5-chloro-2-pyridylazo)-5-diethylaminophenolato]cobalt(III) chloride CAS: 81342-98-5Appearance: Dark purple crystalsMolar absorptivity: ≥84,000 at 585 nmMW: 701.92, C30H32Cl3CoN8O2Storage Condition: ambient temperatureShipping Condition: ambient temperatureProduct DescriptionSince Co(III)-5-Cl-PADAP is not influenced by chloride or nitrate ions, it is suitable for the colorimetric determination of anionic detergents in seawater. Anionic surfactant can be determined at the...

                                                                                  Cu(II)-EDTA Cu(II)-EDTA, Ethylenediamine-N,N,N EN Etetraacetic acid, copper, disodium salt, tetrahydrate [CAS: 39208-15-6]
                                                                                  Item #: E010 -

                                                                                    ChemicalName: Ethylenediamine-N,N,N',N'-tetraacetic acid, copper, disodium salt, tetrahydrateCAS: 39208-15-6 (as an anhydride)Appearance: Blue powderPurity: ≥98.0% (Titration)MW: 469.80, C10H12CuN2Na2O8, 4H2OStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureIntroductionOrganic compounds that coordinate metal ions into circular structures (chelate circles) are called chelating reagents. Most  chelating reagents include oxygen, nitrogen, or...

                                                                                    Cu-PAN Cu-PAN, Mixture of Cu-EDTA and PAN (11.1:1)
                                                                                    Item #: C016 -

                                                                                      ChemicalName: Mixture of Cu-EDTA and PAN (11.1:1)Appearance: Grayish red brown or yellowish brown powderAbsorbance: ≥0.500 (around 470 nm)Storage Condition: ambient temperature, protect from metalShipping Condition: ambient temperatureProduct DescriptionCu-PAN, a mixture of Cu-EDTA and pyridylazo-naphthol PAN, is a very popular metal indicator for chelatometry. Usually, 20-50% aqueous dioxane (or isopropyl alcohol) or 50-70% aqueous methanol (or ethanol) is used as a solvent (1 g Cu-PAN per...

                                                                                      Cyanoline Blue Cyanoline Blue, Mixture of monopyrazolone and bisbyrazolone (12.5:1)
                                                                                      Item #: C017 -

                                                                                        ChemicalName: Mixture of monopyrazolone and bisbyrazolone (12.5:1)Appearance: White or pale yellow powderSensitivity: To pass testStorage Condition: ambient temperatureShipping Condition: ambient temperatureProduct DescriptionCyanoline Blue is a mixture of monopyrazolone and bispyrazolone. It is used as a colorimetric reagent for CN- detection. The detection range of CN- by this method is 5 ppb to 10 ppm. The maximum wavelength is 620 nm. A ready-to-use solution can be prepared by dissolving...

                                                                                        CyDTA CyDTA, trans-1,2-Diaminocyclohexane-N,N,N EN Etetraacetic acid, monohydrate [CAS: 125572-95-4]
                                                                                        Item #: C018 -

                                                                                          ChemicalName: trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid, monohydrate CAS: 125572-95-4Appearance: White powderPurity: ≥99.0% (Titration)MW: 364.35, C14H22N2O8, H2OStorage Condition: ambient temperatureShipping Condition: ambient temperatureChemical StructureProduct DescriptionCyDTA is utilized for masking various metal ions. The two amino groups of CyDTA are in the trans formation, and its free acid is watersoluble. CyDTA chelates at a slower rate than EDTA with metal ions,...

                                                                                          D-Luciferin K salt D-Luciferin K salt, (S)-4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid, potassium salt [CAS: 115144-35-9]
                                                                                          Item #: L226 -

                                                                                            ChemicalName: (S)-4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid, potassium saltCAS: 115144-35-9 Appearance: Pale yellow or yellow powderPurity: ≥98.0% (HPLC)MW: 318.42, C11H7N2O3S2KStorage Condition: -20ºC, Protect from light and moisture, under nitrogen gasShipping Condition: ambient temperature Chemical Structure Product DescriptionD-Luciferin is a firefly luciferase substrate. Its quantum efficiency is 0.88, which is 20 times that of Luminol. The reaction ...

                                                                                            DAN DAN, 2,3-Diaminonaphthalene [CAS 771-97-1]
                                                                                            Item #: D027 -

                                                                                              ChemicalName: 2,3-Diaminonaphthalene CAS: 771-97-1Appearance: White or pale yellowish brown powderMW: 158.20, C10H10N2Storage Condition: -20ºC, protect from lightShipping Condition: ambient temperatureProduct DescriptionDAN is a highly selective colorimetric and fluorometric reagent for Se detection. This reagent is almost insoluble in cold water and alcohol, but it is higly soluble in water at 50ºC. DAN forms 4,5-benzopiaselenol by the complex with Se, and this complex is extracted with...

                                                                                              deoxy-BIGCHAP deoxy-BIGCHAP, N,N-Bis(3-D-gluconamidopropyl)deoxycholamide [CAS: 86303-23-3]
                                                                                              Item #: D045 -

                                                                                                Chemical Name: N,N-Bis(3-D-gluconamidopropyl)deoxycholamide CAS: 86303-23-3Appearance: White powderPurity: ≥95.0% (HPLC)MW: 862.06, C42H75N3O15Storage Condition: ambient temperatureShipping Condition: ambient temperatureProduct Description of BIGCHAPsThe phospholipid bilayer is the basic structure of the cell membrane. The most important functions of cells include transportation of substances, energy exchange, and transmission of information. These functions are conducted at the cell membrane...

                                                                                                Detergent Screening Set (first choice-II) Detergent Screening Set (first choice-II)
                                                                                                Item #: DS06 -

                                                                                                  Contents of the SetCHAPS :200 mg x 1 n-Dodecyl-β-D-maltoside :200 mg x 1n-Octyl-β-D-glucoside:200 mg x 1Sodium cholate (purified) :200 mg x 1MEGA-8:200 mg x 1Storage Condition: 0-5ºCShipping Condition: ambient temperatureProduct DescriptionDetergent Screening Sets are used to find the best detergent for an application, such as enzyme stabilization, specific membrane protein isolation, assay development, protein crystallization, protein refolding, and so on. Detergent...