Promethazine EP Impurity D CAS 7640-51-9

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.7640-51-9
Molecular FormulaC17H20N2OS
Molecular Weight300.42 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Promethazine EP Impurity D CAS 7640-51-9 chemical structure

Description

Promethazine EP Impurity D (CAS 7640-51-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C17H20N2OS. Molecular weight: 300.42 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC17H20N2OS
Molecular Weight300.42 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.)1959
Nitrogen Atoms2
Sulfur Atoms1

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