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, C10H8N2S2
Storage Condition : ambient temperature
Shipping Condition : ambient temperature
Fig 1. 2-PDS reaction with thiol compound
References
1. D. R. Grassetti, et al., Determination of Sulfhydryl Groups with 2, 2’- or 4, 4’-Dithiodipyridine. Arch Biochem Biophys. 1967;119:41-49.
2. R. E. Humphrey, et al., Spectrophotometric Determination of Sulfite with 4, 4’-Dithiodipyridine and 5, 5’-Dithiobis-(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.