Butylphthalide Impurity 81 CAS 2408731-72-4

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.2408731-72-4
Molecular FormulaC20H28N4O2
Molecular Weight356.46 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Butylphthalide Impurity 81 CAS 2408731-72-4 chemical structure

Description

CATO supplies Butylphthalide Impurity 81 (CAS 2408731-72-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H28N4O2. Molecular weight: 356.46 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H28N4O2
Molecular Weight356.46 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2000
Nitrogen Atoms4

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