Pyrimido[4,5-d]pyridazin-4(1H)-one CAS 21579-42-0

Purity 97%+In StockPharmaceutical Standards
CAS No.21579-42-0
Molecular FormulaC6H4N4O
Molecular Weight148.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pyrimido[4,5-d]pyridazin-4(1H)-one CAS 21579-42-0 chemical structure

Description

CATO supplies Pyrimido[4,5-d]pyridazin-4(1H)-one (CAS 21579-42-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H4N4O. Molecular weight: 148.12 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC6H4N4O
Molecular Weight148.12 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms4

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