Estazolam Impurity 4 CAS 4547-02-8

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.4547-02-8
Molecular FormulaC15H11ClN2S
Molecular Weight286.78 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Estazolam Impurity 4 CAS 4547-02-8 chemical structure

Description

Estazolam Impurity 4 (CAS 4547-02-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H11ClN2S. Molecular weight: 286.78 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC15H11ClN2S
Molecular Weight286.78 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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