2-(2-Nitro-1H-imidazol-1-yl)acetic acid CAS 22813-32-7
| CAS No. | 22813-32-7 |
| Molecular Formula | C5H5N3O4 |
| Molecular Weight | 171.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(2-Nitro-1H-imidazol-1-yl)acetic acid is closely related to a carbohydrate-derived structure, an amide group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-(2-Nitro-1H-imidazol-1-yl)acetic acid (CAS 22813-32-7), a certified reference material (molecular formula C5H5N3O4, MW 171.11 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H5N3O4, 2-(2-Nitro-1H-imidazol-1-yl)acetic acid contains a carbohydrate-derived structure, an amide group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 171.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C5H5N3O4 |
| Molecular Weight | 171.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Related Nitro Standards
- 1-Methyl-4-nitro-1H-imidazole-2-carboxylic acid (CAS 109012-24-0)
- 2-Methyl-5-nitro-1H-imidazole-4-carboxylic acid (CAS 116273-51-9)
- 1-Methyl-5-nitro-1h-pyrazole-3-carboxylic acid (CAS 1171709-53-7)
- 1-(5-Nitro-2H-tetrazol-2-yl)propan-2-one (CAS 131394-19-9)
- Methyl 4-nitro-1H-pyrazole-5-carboxylate (CAS 1345513-95-2)
- 2-(5-Nitro-1H-imidazol-1-yl)acetic acid (CAS 14766-55-3)
- 1-Methyl-3-nitro-1h-pyrazole-5-carboxylic acid (CAS 177409-39-1)
- Methyl 3-nitro-1H-pyrazole-4-carboxylate (CAS 1798715-16-8)
Recommended Standards
- 2-((2,4-Dioxoimidazolidin-1-yl)imino)acetic acid (CAS 64748-89-6)
- 2-(4-Nitro-1h-imidazol-1-yl)acetic acid (CAS 59566-52-8)
- 1-Methyl-5-nitropyrimidine-2,4(1H,3H)-dione (CAS 28495-88-7)
- 2-(4-Nitro-1H-pyrazol-1-yl)acetic acid (CAS 6645-69-8)
- Gestodene Impurity 1 (CAS 104933-97-3)
- 4-(Dimethylamino)-1-phenylbutan-1-one (CAS 3760-63-2)
- 2-(4,5-Dihydro-1H-imidazol-2-yl)-1-(m-tolyl)ethanol (CAS 802297-49-0)
- 6-Chloro-1-oxo-1-(4-trifluoromethylphenyl)hexane (CAS 890043-20-6)
- 2-benzenesulfonamido-5-chlorobenzoic acid (CAS 138964-58-6)
- (R)-1-(Pyrrolidin-1-yl)propan-2-ol (CAS 850882-83-6)
- (Z)-1-Phenyl-3-(5-phenylfuran-2-yl)prop-2-en-1-one (CAS 72758-86-2)
- 3-Chloro-4-(phthalazin-1-yloxy)aniline (CAS 1154654-56-4)
- N-Cyclopentyl-9-methyl-8-(piperidin-1-yl)-9H-purin-6-amine (CAS 671821-22-0)
- Biotinyl-CBP501 Affinity Peptide trifluoroacetate salt (CAS 2022956-39-2)
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