Ethyl 2-bromo-5-chloro-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate CAS 2648449-75-4

Purity 97%+In StockPharmaceutical Standards
CAS No.2648449-75-4
Molecular FormulaC9H7BrClN3O3
Molecular Weight320.53 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 2-bromo-5-chloro-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate CAS 2648449-75-4 chemical structure

Description

Ethyl 2-bromo-5-chloro-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 2648449-75-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7BrClN3O3. Molecular weight: 320.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC9H7BrClN3O3
Molecular Weight320.53 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2002
Halogen ContentCl/Br-containing
Nitrogen Atoms3

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