Ethyl 2-(7-amino-5-hydroxy-1-methyl-4-oxo-1,4-dihydropyrimido[4,5-c]pyridazin-3-yl)acetate CAS 67873-35-2

Purity 97%+In StockPharmaceutical Standards
CAS No.67873-35-2
Molecular FormulaC11H13N5O4
Molecular Weight279.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-(7-amino-5-hydroxy-1-methyl-4-oxo-1,4-dihydropyrimido[4,5-c]pyridazin-3-yl)acetate CAS 67873-35-2 chemical structure

Description

Ethyl 2-(7-amino-5-hydroxy-1-methyl-4-oxo-1,4-dihydropyrimido[4,5-c]pyridazin-3-yl)acetate (CAS 67873-35-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H13N5O4. Molecular weight: 279.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H13N5O4
Molecular Weight279.25 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, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Nitrogen Atoms5

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