2-Mercapto-5-benzimidazolesulfonic Acid Sodium Salt Dihydrate, 99.7%, 25g

2-Mercapto-5-benzimidazolesulfonic Acid Sodium Salt Dihydrate, 99.7%, 25g
For Research & Development
Not for drug, human, animal, or food use

Certificate of Analysis:
Appearance (Color) White
Appearance (Form) Powder
Infrared Spectrum Conforms to structure  
Assay (by Elemental Analysis) [C] 29.24% [N] 9.49%
High Pressure Liquid 99.7%
Titration 12.57% H₂O (with Karl Fischer reagent)

CAS:  207511-11-3

FORMULA: C₇H₅N₂NaO₃S₂ · 2H₂O