Ethyl 5-[(E)-({[(4-chlorophenyl)methoxy]amino}methylidene)amino]-3-{2-[3-(trifluoromethyl)benzoyloxy]ethoxy}-1,2-oxazole-4-carboxylate CAS 303997-17-3

Purity 97%+In StockPharmaceutical Standards
CAS No.303997-17-3
Molecular FormulaC24H21ClF3N3O7
Molecular Weight555.89 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 5-[(E)-({[(4-chlorophenyl)methoxy]amino}methylidene)amino]-3-{2-[3-(trifluoromethyl)benzoyloxy]ethoxy}-1,2-oxazole-4-carboxylate CAS 303997-17-3 chemical structure

Description

Ethyl 5-[(E)-({[(4-chlorophenyl)methoxy]amino}methylidene)amino]-3-{2-[3-(trifluoromethyl)benzoyloxy]ethoxy}-1,2-oxazole-4-carboxylate (CAS 303997-17-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H21ClF3N3O7. Molecular weight: 555.89 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC24H21ClF3N3O7
Molecular Weight555.89 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.)2025
Halogen ContentF/Cl-containing
Nitrogen Atoms3

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