Ethyl (E)-2-(5-oxofuran-2(5H)-ylidene)acetate CAS 57690-99-0

Purity 97%+In StockPharmaceutical Standards
CAS No.57690-99-0
Molecular FormulaC8H8O4
Molecular Weight168.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl (E)-2-(5-oxofuran-2(5H)-ylidene)acetate CAS 57690-99-0 chemical structure

Description

CATO supplies Ethyl (E)-2-(5-oxofuran-2(5H)-ylidene)acetate (CAS 57690-99-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H8O4. Molecular weight: 168.15 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC8H8O4
Molecular Weight168.15 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973

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