4-(5-Amino-4-(o-tolyl)-1H-pyrazol-1-yl)benzoic acid CAS 1003992-15-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1003992-15-1
Molecular FormulaC17H15N3O2
Molecular Weight293.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(5-Amino-4-(o-tolyl)-1H-pyrazol-1-yl)benzoic acid CAS 1003992-15-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 293.32 g/mol gives 4-(5-Amino-4-(o-tolyl)-1H-pyrazol-1-yl)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(5-Amino-4-(o-tolyl)-1H-pyrazol-1-yl)benzoic acid (CAS 1003992-15-1) is a high-purity analytical reference standard with the molecular formula C17H15N3O2 and a molecular weight of 293.32 g/mol.

Based on its molecular formula C17H15N3O2, 4-(5-Amino-4-(o-tolyl)-1H-pyrazol-1-yl)benzoic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 293.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 FormulaC17H15N3O2
Molecular Weight293.32 g/mol
AppearancePale yellow to yellow crystalline powder
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
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms3

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