2-Chloro-4-nitroimidazole CAS 57531-37-0
| CAS No. | 57531-37-0 |
| Molecular Formula | C3H2ClN3O2 |
| Molecular Weight | 147.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C3H2ClN3O2, 2-Chloro-4-nitroimidazole 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 147.52 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-Chloro-4-nitroimidazole (CAS 57531-37-0) is a high-purity analytical reference standard with the molecular formula C3H2ClN3O2 and a molecular weight of 147.52 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 Formula | C3H2ClN3O2 |
| Molecular Weight | 147.52 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 6-Chloro-1,3,5-triazine-2,4-diol (CAS 135581-60-1)
- 3-Chloro-1-nitro-1H-pyrazole (CAS 1369959-11-4)
- 3-Chloro-5-nitro-1H-pyrazole (CAS 1369959-12-5)
- 3-Chloro-4-nitropyrazole (CAS 35852-75-6)
- 5-Chloro-4-nitro-1H-imidazole (CAS 57531-38-1)
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- 2-Chloro-5-fluoropyridin-4-ol (CAS 1196153-96-4)
Recommended Standards
- 2-Chlorooxazole-5-carboxylic acid (CAS 1555623-55-6)
- 2-Chlorooxazole-4-carboxylic Acid (CAS 706789-07-3)
- 2-Oxo-2,3-dihydrooxazole-5-carbonyl chloride (CAS 64843-26-1)
- 3-Chloroisoxazole-5-carboxylic acid (CAS 20724-56-5)
- Methyl 6-chloro-5-(hydroxymethyl)-3-methylpicolinate (CAS 1205671-73-3)
- 3-Chloro-2-hydroxy-7,8,9,10-tetrahydro-6H-7,9a-methanobenzo[a]azulen-6-one (CAS 1039456-87-5)
- 2-(3-Fluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole (CAS 1402174-40-6)
- Mirogabalin Impurity 95 (CAS CATO-C4X-292495)
- 4-Bromopyridine-2,6-dicarboxamide (CAS 668992-72-1)
- ((2-Bromocyclopentyl)oxy)cyclohexane (CAS 1251095-53-0)
- 3-Fluoro-4-trifluoromethylbenzeneboronic acid pinacol ester, 97% (CAS 445303-67-3)
- Methyl 3-(2,4-dichlorophenyl)acrylate (CAS 42174-01-6)
- 3-Amino-6-ethyl-N-(4-fluorobenzyl)-5-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 674805-23-3)
- D-Lys16-Tirzepatide (CAS CATO-CPTD788918)
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