2-(tert-Butyl)-5-methyloxazole-4-carboxylic acid CAS 355020-52-9

Purity 97%+In StockPharmaceutical Standards
CAS No.355020-52-9
Molecular FormulaC9H13NO3
Molecular Weight183.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(tert-Butyl)-5-methyloxazole-4-carboxylic acid CAS 355020-52-9 chemical structure

Description

CATO supplies 2-(tert-Butyl)-5-methyloxazole-4-carboxylic acid (CAS 355020-52-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H13NO3. Molecular weight: 183.20 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC9H13NO3
Molecular Weight183.20 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1

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