1-Methyl-5-nitro-1h-pyrazole-3-carboxylic acid CAS 1171709-53-7
| CAS No. | 1171709-53-7 |
| 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.
CATO supplies 1-Methyl-5-nitro-1h-pyrazole-3-carboxylic acid (CAS 1171709-53-7), 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, 1-Methyl-5-nitro-1h-pyrazole-3-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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 1-Methyl-5-nitro-1h-pyrazole-3-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.) | 1989 |
| 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-(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)
- 1-Methyl-5-nitro-1H-pyrazole-4-carboxylic acid (CAS 18213-77-9)
Recommended Standards
- 2-Methyl-5-nitrofuran-3-carboxylic acid (CAS 129423-27-4)
- 2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-2-hydroxyacetic acid (CAS 114505-81-6)
- 1-Acetyl-1,3,5-triazinane-2,4,6-trione (CAS 102635-15-4)
- Methyl 4-Nitropyrazole-3-carboxylate (CAS 138786-86-4)
- 6-Bromo-1-methyl-1H-indazol-3-amine (CAS 1214899-85-0)
- 3-(Chlorosulfonyl)-5-fluoro-4-methoxybenzoic acid (CAS 1099186-65-8)
- 6'-Bromospiro[cyclohexane-1,3'-pyrrolo[3,2-b]pyridine]-2',4(1'H)-dione (CAS 1190862-23-7)
- Isocyano(2-tert-butylsulfanylphenyl)methyl-4-methylphenyl sulfone (CAS 1029104-30-0)
- Heptapropylene Glycol (CAS 74388-92-4)
- (1R,4R)-4-fluorocyclopent-2-en-1-ol (CAS 2165842-39-5)
- 1,1′-Diethyl-2,4′-cyanine iodide (CAS 634-21-9)
- N'-(2,5-bis(2,2,2-trifluoroethoxy)benzoyl)methanesulfonohydrazide (CAS 477864-01-0)
- [(Dimethylsilylene)bis[(1,2,3,3a,7a-η)-2-methyl-4-phenyl-1H-inden-1-ylidene]]dimethylzirconium (CAS 197641-03-5)
- D-[Ser]11-Semaglutide (CAS CATO-CPTD788629)
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