3-Amino-1-(2-chloro-4,6-dimethylphenyl)-1H-pyrazol-5(4H)-one CAS 55-70-9

Purity 97%+In StockPharmaceutical Standards
CAS No.55-70-9
Molecular FormulaC11H18N2
Molecular Weight178.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Amino-1-(2-chloro-4,6-dimethylphenyl)-1H-pyrazol-5(4H)-one CAS 55-70-9 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.

CATO supplies 3-Amino-1-(2-chloro-4,6-dimethylphenyl)-1H-pyrazol-5(4H)-one (CAS 55-70-9), a certified reference material (molecular formula C11H18N2, MW 178.27 g/mol) for analytical method development and quality control.

3-Amino-1-(2-chloro-4,6-dimethylphenyl)-1H-pyrazol-5(4H)-one (C11H18N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC11H18N2
Molecular Weight178.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2

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