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2,2′-Dipyridyl disulfide (Aldrithiol 2) is a useful reagent for the determination of sulfhydryl groups. It acts as a peptide coupling reagent and as an oxidizing agent. 2,2′-Dipyridyl disulfide (Aldrithiol 2) is also used for the activation of glycosides.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 g | $35 | In Stock | |
| 5 g | $74 | In Stock | |
| 10 g | $106 | In Stock |
| Description | 2,2′-Dipyridyl disulfide (Aldrithiol 2) is a useful reagent for the determination of sulfhydryl groups. It acts as a peptide coupling reagent and as an oxidizing agent. 2,2′-Dipyridyl disulfide (Aldrithiol 2) is also used for the activation of glycosides. |
| Synonyms | Orthopyridyl disulfide, OPSS, Aldrithiol 2, 2,2'-Dipyridyl disulfide |
| Molecular Weight | 220.31 |
| Formula | C10H8N2S2 |
| Cas No. | 2127-03-9 |
| Smiles | S(Sc1ccccn1)c1ccccn1 |
| Relative Density. | 1.34g/cm3 |
| Color | White |
| Appearance | Solid |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 55 mg/mL (249.65 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
DMSO
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