3,4-Bis(4-methoxybenzoyl)-1,2,5-oxadiazole 2-oxide CAS 40499-78-3

Purity 97%+In StockPharmaceutical Standards
CAS No.40499-78-3
Molecular FormulaC18H14N2O6
Molecular Weight354.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Bis(4-methoxybenzoyl)-1,2,5-oxadiazole 2-oxide CAS 40499-78-3 chemical structure

Description

CATO supplies 3,4-Bis(4-methoxybenzoyl)-1,2,5-oxadiazole 2-oxide (CAS 40499-78-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H14N2O6. Molecular weight: 354.31 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H14N2O6
Molecular Weight354.31 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms2

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