Ethyl 3-(o-tolyl)isoxazole-5-carboxylate CAS 377059-29-5

Purity 97%+In StockPharmaceutical Standards
CAS No.377059-29-5
Molecular FormulaC13H13NO3
Molecular Weight231.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 3-(o-tolyl)isoxazole-5-carboxylate CAS 377059-29-5 chemical structure

Description

Ethyl 3-(o-tolyl)isoxazole-5-carboxylate (CAS 377059-29-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H13NO3. Molecular weight: 231.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC13H13NO3
Molecular Weight231.25 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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