Butylphthalide Impurity N5 CAS 169141-21-3

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.169141-21-3
Molecular FormulaC8H4Br2O2
Molecular Weight291.92 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Butylphthalide Impurity N5 CAS 169141-21-3 chemical structure

Description

CATO supplies Butylphthalide Impurity N5 (CAS 169141-21-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H4Br2O2. Molecular weight: 291.92 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC8H4Br2O2
Molecular Weight291.92 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2005
Halogen ContentBr-containing

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