4-{[(E)-2-[3-(2,6-dichlorophenyl)-4-(methoxycarbonyl)-1,2-oxazol-5-yl]ethenyl]amino}benzoic acid CAS 338394-43-7

Purity 97%+In StockPharmaceutical Standards
CAS No.338394-43-7
Molecular FormulaC20H14Cl2N2O5
Molecular Weight433.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-{[(E)-2-[3-(2,6-dichlorophenyl)-4-(methoxycarbonyl)-1,2-oxazol-5-yl]ethenyl]amino}benzoic acid CAS 338394-43-7 chemical structure

Description

4-{[(E)-2-[3-(2,6-dichlorophenyl)-4-(methoxycarbonyl)-1,2-oxazol-5-yl]ethenyl]amino}benzoic acid (CAS 338394-43-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H14Cl2N2O5. Molecular weight: 433.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H14Cl2N2O5
Molecular Weight433.24 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 ContentCl-containing
Nitrogen Atoms2

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