Polmacoxib Impurity 5 CAS 1778703-66-4

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1778703-66-4
Molecular FormulaC21H19FO6S
Molecular Weight418.44 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Polmacoxib Impurity 5 CAS 1778703-66-4 chemical structure

Description

High-purity Polmacoxib Impurity 5 (CAS 1778703-66-4) pharmacopoeial impurity standards reference standard. Molecular formula: C21H19FO6S. Molecular weight: 418.44 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC21H19FO6S
Molecular Weight418.44 g/mol
Purity97%+
StorageStore at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentF-containing
Sulfur Atoms1

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