1-Methyl-4-nitro-1H-imidazole-5-carboxylic Acid CAS 54828-05-6
| CAS No. | 54828-05-6 |
| Molecular Formula | C5H5N3O4 |
| Molecular Weight | 171.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-Methyl-4-nitro-1H-imidazole-5-carboxylic Acid (CAS 54828-05-6), a certified reference material (molecular formula C5H5N3O4, MW 171.11 g/mol) for analytical method development and quality control.
1-Methyl-4-nitro-1H-imidazole-5-carboxylic Acid (C5H5N3O4) contains a carbohydrate-derived structure, an amide group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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.) | 1972 |
| Nitrogen Atoms | 3 |
Related Methyl 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
- 1-Methyl-3-nitro-1H-pyrazole-4-carboxylic acid (CAS 39205-68-0)
- 1-Methyl-4-nitro-1H-pyrazole-3-carboxylic Acid (CAS 4598-86-1)
- 1-Methyl-2-nitro-1H-Imidazole-5-carboxylic acid (CAS 50700-55-5)
- 1-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 92534-69-5)
- 9-Isopropyl-3-methyl-9-azabicyclo[3.3.1]nonan-3-ol (CAS 1211710-57-4)
- (3-Methyl-4-(methylthio)phenyl)boronic acid (CAS 221031-07-8)
- 4-Methyl-2-(p-tolyl)pyrimidine (CAS 79382-86-8)
- 2,2-Dibenzyl-3-((tert-butoxycarbonyl)amino)propanoic acid (CAS 125469-91-2)
- 3-Methyl-4-(2-methylthiazol-5-yl)butan-2-ol (CAS 1518033-20-9)
- {[3-(1-methoxyethyl)-1,2,4-oxadiazol-5-yl]methyl}(methyl)amine (CAS 1375474-31-9)
- 1-Amino-1-(1H-tetrazol-5-yl)propan-2-ol (CAS 1823958-60-6)
- 3-(4-(Aminomethyl)thiazol-2-yl)aniline (CAS 885280-76-2)
- 3,5-Dimethyl-4-(4-nitrophenyl)-1H-pyrazole (CAS 42418-61-1)
- Staphylococcus Aureus Protein A (SpA)-Derived Peptide (H-2228.0005) (CAS 144979-26-0)
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