2-(4-Nitro-1h-pyrazol-1-yl)butanoic acid CAS 1005669-62-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1005669-62-4
Molecular FormulaC7H9N3O4
Molecular Weight199.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Nitro-1h-pyrazol-1-yl)butanoic acid CAS 1005669-62-4 chemical structure

Description

The occurrence of 2-(4-Nitro-1h-pyrazol-1-yl)butanoic acid 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.

CATO supplies 2-(4-Nitro-1h-pyrazol-1-yl)butanoic acid (CAS 1005669-62-4), a certified reference material (molecular formula C7H9N3O4, MW 199.16 g/mol) for analytical method development and quality control.

2-(4-Nitro-1h-pyrazol-1-yl)butanoic acid (C7H9N3O4) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC7H9N3O4
Molecular Weight199.16 g/mol
AppearanceOff-white 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 methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms3

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