Regorafenib Impurity 4 CAS 1187945-05-6

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1187945-05-6
Molecular FormulaC20H12ClF4N3O4
Molecular Weight469.77 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Regorafenib Impurity 4 CAS 1187945-05-6 chemical structure

Description

CATO supplies Regorafenib Impurity 4 (CAS 1187945-05-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H12ClF4N3O4. Molecular weight: 469.77 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H12ClF4N3O4
Molecular Weight469.77 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentF/Cl-containing
Nitrogen Atoms3

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