Ethyl 2-ethynyloxazole-5-carboxylate CAS 1391749-90-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1391749-90-8
Molecular FormulaC8H7NO3
Molecular Weight165.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-ethynyloxazole-5-carboxylate CAS 1391749-90-8 chemical structure

Description

Ethyl 2-ethynyloxazole-5-carboxylate (CAS 1391749-90-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7NO3. Molecular weight: 165.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC8H7NO3
Molecular Weight165.15 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms1

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