4-Cyano-1H-imidazole-5-carboxylic acid (hydrochloride) CAS 2490375-48-7

Purity 97%+In StockPharmaceutical Standards
CAS No.2490375-48-7
Molecular FormulaC5H3N3O2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Cyano-1H-imidazole-5-carboxylic acid (hydrochloride) CAS 2490375-48-7 chemical structure

Description

The occurrence of 4-Cyano-1H-imidazole-5-carboxylic acid (hydrochloride) is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Cyano-1H-imidazole-5-carboxylic acid (hydrochloride) (CAS 2490375-48-7), molecular formula C5H3N3O2HCl and molecular weight 173.56 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H3N3O2HCl, 4-Cyano-1H-imidazole-5-carboxylic acid (hydrochloride) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 173.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

As a certified reference material (CRM), 4-Cyano-1H-imidazole-5-carboxylic acid (hydrochloride) 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 FormulaC5H3N3O2 HCl
Molecular Weight173.56 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
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)5.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2000
Halogen ContentCl-containing
Nitrogen Atoms3

Related Cyano Standards

Recommended Standards

Why CATO?