2-Amino-1H-imidazol-5(4H)-one hydrochloride CAS 18221-88-0

Purity 97%+In StockPharmaceutical Standards
CAS No.18221-88-0
Molecular FormulaC3H5N3O
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Amino-1H-imidazol-5(4H)-one hydrochloride CAS 18221-88-0 chemical structure

Description

2-Amino-1H-imidazol-5(4H)-one hydrochloride (CAS 18221-88-0), molecular formula C3H5N3OHCl and molecular weight 135.55 g/mol, is a CATO reference standard with documented purity and traceability.

2-Amino-1H-imidazol-5(4H)-one hydrochloride (C3H5N3OHCl) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; 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.

As a certified reference material (CRM), 2-Amino-1H-imidazol-5(4H)-one 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 FormulaC3H5N3O HCl
Molecular Weight135.55 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1962
Halogen ContentCl-containing
Nitrogen Atoms3

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