Promethazine EP Impurity A CAS 92-84-2

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.92-84-2
Molecular FormulaC12H9NS
Molecular Weight199.27 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Promethazine EP Impurity A CAS 92-84-2 chemical structure

Description

Promethazine EP Impurity A (CAS 92-84-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9NS. Molecular weight: 199.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H9NS
Molecular Weight199.27 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
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 Atoms1
Sulfur Atoms1

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