8-Chloro-3,4-dihydro-4-methyl-2H-pyridazino[4,5-b][1,4]oxazine CAS 66643-52-5

Purity 97%+In StockPharmaceutical Standards
CAS No.66643-52-5
Molecular FormulaC7H8ClN3O
Molecular Weight185.61 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

8-Chloro-3,4-dihydro-4-methyl-2H-pyridazino[4,5-b][1,4]oxazine CAS 66643-52-5 chemical structure

Description

8-Chloro-3,4-dihydro-4-methyl-2H-pyridazino[4,5-b][1,4]oxazine (CAS 66643-52-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H8ClN3O. Molecular weight: 185.61 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC7H8ClN3O
Molecular Weight185.61 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Halogen ContentCl-containing
Nitrogen Atoms3

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