1-(Benzyloxy)-3-bromo-1H-pyrazole CAS 2831286-95-2

Purity 97%+In StockPharmaceutical Standards
CAS No.2831286-95-2
Molecular FormulaC10H9BrN2O
Molecular Weight253.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(Benzyloxy)-3-bromo-1H-pyrazole CAS 2831286-95-2 chemical structure

Description

1-(Benzyloxy)-3-bromo-1H-pyrazole (C10H9BrN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

1-(Benzyloxy)-3-bromo-1H-pyrazole (CAS 2831286-95-2) is a high-purity analytical reference standard with the molecular formula C10H9BrN2O and a molecular weight of 253.10 g/mol.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

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 FormulaC10H9BrN2O
Molecular Weight253.10 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Halogen ContentBr-containing
Nitrogen Atoms2

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