3-Ethyl-6-(4-methoxyphenyl)isoxazolo[5,4-b]pyridine-4-carboxylic acid CAS 1263211-54-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1263211-54-6
Molecular FormulaC16H14N2O4
Molecular Weight298.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Ethyl-6-(4-methoxyphenyl)isoxazolo[5,4-b]pyridine-4-carboxylic acid CAS 1263211-54-6 chemical structure

Description

3-Ethyl-6-(4-methoxyphenyl)isoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1263211-54-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H14N2O4. Molecular weight: 298.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC16H14N2O4
Molecular Weight298.29 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms2

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