2,5-Dioxopyrrolidin-1-yl 4-ethynylbenzoate CAS 870289-72-8

Purity 97%+In StockPharmaceutical Standards
CAS No.870289-72-8
Molecular FormulaC13H9NO4
Molecular Weight243.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,5-Dioxopyrrolidin-1-yl 4-ethynylbenzoate CAS 870289-72-8 chemical structure

Description

CATO supplies 2,5-Dioxopyrrolidin-1-yl 4-ethynylbenzoate (CAS 870289-72-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H9NO4. Molecular weight: 243.21 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC13H9NO4
Molecular Weight243.21 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 methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1

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