N1-(4-bromo-1,3-dimethyl-1h-5-pyrazolyl)-2-chloroacetamide CAS 649701-13-3

Purity 97%+In StockPharmaceutical Standards
CAS No.649701-13-3
Molecular FormulaC7H9BrClN3O
Molecular Weight266.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N1-(4-bromo-1,3-dimethyl-1h-5-pyrazolyl)-2-chloroacetamide CAS 649701-13-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N1-(4-bromo-1,3-dimethyl-1h-5-pyrazolyl)-2-chloroacetamide.

N1-(4-bromo-1,3-dimethyl-1h-5-pyrazolyl)-2-chloroacetamide (CAS 649701-13-3), molecular formula C7H9BrClN3O and molecular weight 266.52 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N1-(4-bromo-1,3-dimethyl-1h-5-pyrazolyl)-2-chloroacetamide (C7H9BrClN3O) contains an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 266.52 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC7H9BrClN3O
Molecular Weight266.52 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 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Halogen ContentCl/Br-containing
Nitrogen Atoms3

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