19 Biochemicals

2-PDS

2-PDS

Colorimetric Reagent for SH Moiety

  • Product code
    P016  2-PDS
  • CAS No.
    2127-03-9
  • Chemical name
    2,2'-Dithiodipyridine
  • MW
    C10H8N2S2=220.32
Unit size -- --
1 g Please inquire distributors about price.

Description

Fig 1. 2-PDS reaction with thiol compound

References

Open References

1) D. R. Grassetti and J. F. Murray Jr., "Determination of Sulfhydryl Groups with 2,2'- or 4,4'-Dithiodipyridine", Arch. Biochem. Biophys., 1967, 119, 41.
2) R. E. Humphrey, M. H. Ward and W. Hinze, "Spectrophotometric Determination of Sulfite with 4,4'-Dithiodipyridine and 5,5'-Dithiobis-(2-nitrobenzoic acid)", Anal. Chem., 1970, 42, 698.
3) R. E. Humphrey and W. Hinze, "Spectrophotometric Determination of Cyanide with Organic Disulphides", Talanta, 1971, 18, 491.
4) T. Uete, Y. Miyamoto, M. Ohnishi and N. Shimano, "Spectrophotometric Micromethod for Measuring Cholinesterase Activity in Serum or Plasma", Clin. Chem., 1972, 18, 454.

Handling and storage condition

Specification
Appearance: White to pale yellow crystalline powder
Solubility in Methyl alcohol: To pass test (clear, colorless or slightly yellow)
m.p.: 56 - 60°C
Molar absorptivity: ≧ 14,000 (around 235 nm)
Sulfated ash: ≦ 0.10 %
IR spectrum: Authentic
Handling and storage condition
Ambient temperature
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Product Classification

Product Classification

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