3-(Benzo[d][1,3]dioxol-5-yl)-1-(3,4-dichlorobenzyl)-1H-pyrazole CAS 955976-60-0

Purity 97%+In StockPharmaceutical Standards
CAS No.955976-60-0
Molecular FormulaC17H12Cl2N2O2
Molecular Weight347.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(Benzo[d][1,3]dioxol-5-yl)-1-(3,4-dichlorobenzyl)-1H-pyrazole CAS 955976-60-0 chemical structure

Description

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.

3-(Benzo[d][1,3]dioxol-5-yl)-1-(3,4-dichlorobenzyl)-1H-pyrazole (CAS 955976-60-0) is a high-purity analytical reference standard with the molecular formula C17H12Cl2N2O2 and a molecular weight of 347.20 g/mol.

Based on its molecular formula C17H12Cl2N2O2, 3-(Benzo[d][1,3]dioxol-5-yl)-1-(3,4-dichlorobenzyl)-1H-pyrazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 347.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

As a certified reference material (CRM), 3-(Benzo[d][1,3]dioxol-5-yl)-1-(3,4-dichlorobenzyl)-1H-pyrazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC17H12Cl2N2O2
Molecular Weight347.20 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms2

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