Benzenesulfonate Impurity 4 (CAS 309915-56-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H12O5S. Molecular weight: 232.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
Molecular Formula
C9H12O5S
Molecular Weight
232.25 g/mol
Purity
>95%
Storage
Store in a cool place (≤25°C), keep sealed and dry
Solubility (reference)
Soluble in methanol, ethanol, DMSO
Stability
May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening