Chemical Name: 2,2'-Dithiodipyridine
CAS: 2127-03-9

Appearance: white or pale yellow powder
Molar absorptivity: ≥14,000 at 235 nm
MW: 220.32, C10

Storage Condition : ambient temperature
Shipping Condition : ambient temperature

Fig 1. 2-PDS reaction with thiol compound

1. D. R. Grassetti, et al., Determination of Sulfhydryl Groups with 2, 2 E or 4, 4 EDithiodipyridine. Arch Biochem Biophys. 1967;119:41-49.
2. R. E. Humphrey, et al., Spectrophotometric Determination of Sulfite with 4, 4 EDithiodipyridine and 5, 5 EDithiobis-(2-nitrobenzoic acid). Anal Chem. 1970;42:698-702.
3. R. E. Humphrey, et al., Spectrophotometric Determination of Cyanide with Organic Disulphides. Talanta. 1971;18:491-497.
4. T. Uete, et al., Spectrophotometric Micromethod for Measuring Cholinesterase Activity in Serum or Plasma. Clin Chem. 1972;18:454-458.

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1 g
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