(5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene 5-Amino-4-carboxy-1-phenyl-1H-pyrazole 5-amino-1-phenylpyrazole-4-carboxylic acid 51649-80-0 CAS 51649-80-0

Purity 97%+In StockPharmaceutical Standards
CAS No.51649-80-0
Molecular FormulaC10H19N3O2
Molecular Weight213.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene 5-Amino-4-carboxy-1-phenyl-1H-pyrazole 5-amino-1-phenylpyrazole-4-carboxylic acid 51649-80-0 CAS 51649-80-0 chemical structure

Description

The occurrence of (5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene 5-Amino-4-carboxy-1-phenyl-1H-pyrazole 5-amino-1-phenylpyrazole-4-carboxylic acid 51649-80-0 is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene 5-Amino-4-carboxy-1-phenyl-1H-pyrazole 5-amino-1-phenylpyrazole-4-carboxylic acid 51649-80-0 (CAS 51649-80-0) is a high-purity analytical reference standard with the molecular formula C10H19N3O2 and a molecular weight of 213.28 g/mol.

(5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene 5-Amino-4-carboxy-1-phenyl-1H-pyrazole 5-amino-1-phenylpyrazole-4-carboxylic acid 51649-80-0 (C10H19N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

CATO manufactures (5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene 5-Amino-4-carboxy-1-phenyl-1H-pyrazole 5-amino-1-phenylpyrazole-4-carboxylic acid 51649-80-0 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC10H19N3O2
Molecular Weight213.28 g/mol
AppearanceWhite to pale yellow crystalline powder. (faint amine-like odor)
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1971
Nitrogen Atoms3

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