1-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid CAS 92534-69-5
| CAS No. | 92534-69-5 |
| Molecular Formula | C5H5N3O4 |
| Molecular Weight | 171.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 92534-69-5) is a high-purity analytical reference standard with the molecular formula C5H5N3O4 and a molecular weight of 171.11 g/mol.
Based on its molecular formula C5H5N3O4, 1-Methyl-4-nitro-1H-pyrazole-5-carboxylic 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. 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).
CATO manufactures 1-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1983 |
| 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-4-nitro-1H-pyrazole-3-carboxylic Acid (CAS 4598-86-1)
- 1-Methyl-5-nitro-1h-imidazole-2-carboxylic acid (CAS 3994-53-4)
- 1-Methyl-4-nitro-1H-imidazole-5-carboxylic Acid (CAS 54828-05-6)
- 1-Methyl-5-nitropyrimidine-2,4(1H,3H)-dione (CAS 28495-88-7)
- Methyl 2-(4-amino-2-fluorophenyl)acetate (CAS 192650-54-7)
- Isobutyl heptanoate (CAS 7779-80-8)
- 1-Fluorocycloheptane-1-carboxylic acid (CAS 377725-13-8)
- 2'-Hydroxy-4'-methylacetophenone (CAS 6921-64-8)
- tert-Butyl ((1-(2-hydroxyethyl)pyrrolidin-2-yl)methyl)(isopropyl)carbamate (CAS 1353966-21-8)
- Methyl (s)-3-amino-3-(3,5-dimethoxyphenyl)propanoate (CAS 1213575-23-5)
- 3,3-diethyl 4-hydroxy-1-oxo-3,4-dihydro-1H-2-benzopyran-3,3-dicarboxylate (CAS 95168-26-6)
- 1-(2-Chloro-4-fluorophenyl)-3-(3-chlorophenyl)propan-1-one (CAS 898787-32-1)
- 3-(2-Chlorophenyl)-3-hydroxypropanoic acid (CAS 121669-89-4)
- Nonapeptide-1 (CAS 158563-45-2)
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