Promethazine Impurity 67 CAS 7647-63-4

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.7647-63-4
Molecular FormulaC19H25N2OS
Molecular Weight329.48 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Promethazine Impurity 67 CAS 7647-63-4 chemical structure

Description

Promethazine Impurity 67 (CAS 7647-63-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H25N2OS. Molecular weight: 329.48 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC19H25N2OS
Molecular Weight329.48 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)8.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959
Nitrogen Atoms2
Sulfur Atoms1

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