Indobufen Impurity 40 CAS 203313-55-7

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.203313-55-7
Molecular FormulaC18H19NO4
Molecular Weight313.35 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Indobufen Impurity 40 CAS 203313-55-7 chemical structure

Description

Indobufen Impurity 40 (CAS 203313-55-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H19NO4. Molecular weight: 313.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H19NO4
Molecular Weight313.35 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 methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2015
Nitrogen Atoms1

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