3-Methyl-7-(2-nitrophenyl)isoxazolo[4,5-d]pyridazin-4(5H)-one CAS 923569-70-4

Purity 97%+In StockPharmaceutical Standards
CAS No.923569-70-4
Molecular FormulaC12H8N4O4
Molecular Weight272.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-7-(2-nitrophenyl)isoxazolo[4,5-d]pyridazin-4(5H)-one CAS 923569-70-4 chemical structure

Description

CATO supplies 3-Methyl-7-(2-nitrophenyl)isoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 923569-70-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H8N4O4. Molecular weight: 272.22 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC12H8N4O4
Molecular Weight272.22 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms4

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