methyl 1-nitro-1H-pyrazole-3-carboxylate CAS 198348-95-7
| CAS No. | 198348-95-7 |
| Molecular Formula | C5H5N3O4 |
| Molecular Weight | 171.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), methyl 1-nitro-1H-pyrazole-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
methyl 1-nitro-1H-pyrazole-3-carboxylate (CAS 198348-95-7) is a high-purity analytical reference standard with the molecular formula C5H5N3O4 and a molecular weight of 171.11 g/mol.
Structurally, methyl 1-nitro-1H-pyrazole-3-carboxylate (C5H5N3O4) contains a carbohydrate-derived structure, an amide group. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 171.11 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
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.) | 2013 |
| 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
- 5-Nitrofuran-2-carbohydrazide (CAS 5469-78-3)
- Methyl 5-nitro-1H-imidazole-2-carboxylate (CAS 2110793-02-5)
- 5-Methyl-4-nitrofuran-2-carboxylic acid (CAS 326867-81-6)
- Methyl 5-Nitroimidazole-4-carboxylate (CAS 20271-20-9)
- N-(4-(Piperidin-1-yl)but-2-yn-1-yl)-4-(1H-pyrrol-1-yl)benzamide (CAS 1396568-40-3)
- N,N-diethyl-3-(4-formyl-1-phenyl-1H-pyrazol-3-yl)benzenesulfonamide (CAS 956140-47-9)
- 2-((3-Cyano-4,6-dimethylpyridin-2-yl)thio)-N-(4-methyl-3-nitrophenyl)acetamide (CAS 332161-14-5)
- 2-Phenylimidazo[1,2-a]pyridin-6-amine (CAS 887576-74-1)
- 4-(5-Ethylfuran-2-carboxamido)pentanoic acid (CAS 1410631-68-3)
- 6-Chlorohexan-1-amine (CAS 16036-99-0)
- 2-Bromothieno[3,2-c]pyridin-4-amine (CAS 1784280-46-1)
- 86-08-8 3-Acetylpyridine adenine dinucleotide 3-Acetylpyridine-adenine dinucleotide 3-Acetyl-1-beta-D-ribofuranosylpyridinium hydroxide 5'ester Adenosine 5'-(trihydrogen diphosphate), 5'-5'-ester with 3-acetyl-1-beta-D-ribofuranosylpyridinium hydroxide, inner salt (9CI) 3-Acetyl NAD Acetylpyridine adenine dinucleotide 3-Acetylpyridine analog of DPN 3-Acetylpyridine diphosphopyridine nucleotide (VAN) 3-Acetylpyridine NAD (3-Acetylpyridine)AD Acetylpyridine-adenine dinucleotide 3-Acetylpyridineadenine dinucleotide 3-Acetylpyridine-DPN AcPyAD Diphosphopyridine nucleotide, 3-acetylpyridine analog Diphosphopyridine nucleotide, 1-(3-pyridinyl)ethanone analog beta-DPN acetylpyridine analog DPN 3-Acetylpyridine analog DPN, analogueol, 3-acetyl pyridine derivative EINECS 201-649-4 Nicotinamide acetylpyridine dinucleotide Nicotinamide-adenine dinucleotide, 3-acetyl analog Nicotinamide-hypoxanthine dinucleotide, 3-acetyl analog NSC 20275 Pyridine, 3-acetyl-, derivative of DPN analogue (CAS 86-08-8)
- Sunitinib Impurity 10 (CAS 477575-12-5)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
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