Promethazine EP Impurity B CAS 303-14-0

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.303-14-0
Molecular FormulaC17H20N2S
Molecular Weight284.42 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Promethazine EP Impurity B CAS 303-14-0 chemical structure

Description

High-purity Promethazine EP Impurity B (CAS 303-14-0) pharmacopoeial impurity standards reference standard. Molecular formula: C17H20N2S. Molecular weight: 284.42 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC17H20N2S
Molecular Weight284.42 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2
Sulfur Atoms1

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