4-Hydrazinyl-4-oxobutanoic acid (CAS 4604-20-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H28N2OS CH4O3S. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
Molecular Formula
C23H28N2OS CH4O3S
Molecular Weight
476.65 g/mol
Purity
97%+
Storage
Store in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)
Soluble in DMSO, DMF, methanol
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening