Ambrisentan Impurity 2 CAS 1639429-81-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1639429-81-4
Molecular FormulaC20H18N2O
Molecular Weight302.37 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ambrisentan Impurity 2 CAS 1639429-81-4 chemical structure

Description

Ambrisentan Impurity 2 (CAS 1639429-81-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H18N2O. Molecular weight: 302.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H18N2O
Molecular Weight302.37 g/mol
AppearancePale yellow to yellow crystalline powder
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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Nitrogen Atoms2

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