5-Methyl-4-nitro-2H-pyrazole-3-carboxylic Acid Amide CAS 1228362-74-0
| CAS No. | 1228362-74-0 |
| Molecular Formula | C5H6N4O3 |
| Molecular Weight | 170.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Methyl-4-nitro-2H-pyrazole-3-carboxylic Acid Amide 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.
5-Methyl-4-nitro-2H-pyrazole-3-carboxylic Acid Amide (CAS 1228362-74-0) is a high-purity analytical reference standard with the molecular formula C5H6N4O3 and a molecular weight of 170.13 g/mol.
Based on its molecular formula C5H6N4O3, 5-Methyl-4-nitro-2H-pyrazole-3-carboxylic Acid Amide contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 170.13 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.
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 | C5H6N4O3 |
| Molecular Weight | 170.13 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.) | 1990 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 2-(3-Nitro-1h-pyrazol-1-yl)acetamide (CAS 1003011-27-5)
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- 1-methyl-5-nitro-1H-pyrazole-3-carboxamide (CAS 1245771-73-6)
- 1-methyl-3-nitro-1H-pyrazole-5-carboxamide (CAS 1245772-60-4)
- 4-Nitro-1-(2-oxopropyl)-1H-1,2,3-triazole (CAS 131394-16-6)
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- 1-(5-Nitro-1H-imidazol-4-yl)guanidine (CAS 443309-56-6)
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Recommended Standards
- 2,2,2-Trifluoro-1-(tetrahydrofuran-3-yl)ethanol (CAS 1226507-56-7)
- 2-Acetamido-4,6-dihydroxy-1,3,5-triazine (CAS 1242141-68-9)
- Ethyl 2,3,3-trifluorobutanoate (CAS 1219589-17-9)
- 1,1,1-Trifluoro-6-hydroxyhexan-2-one (CAS 121749-77-7)
- 2-(Furan-2-yl)-1h-1,3-benzodiazole-6-carboxylic acid (CAS 174422-10-7)
- (Z)-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}(1-phenylethylidene)amine (CAS 326808-43-9)
- 8-Methylimidazo[1,2-a]pyridin-2-amine (CAS 1260839-78-8)
- (3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctyl)silane (CAS 469904-32-3)
- (4-Amino-2-bromophenyl)methanol (CAS 1179067-35-6)
- N-Benzyl-3-(2-chlorophenyl)-1-propanamine (CAS 566913-11-9)
- 4-(3-fluorophenyl)-3-methyl-1H-pyrazol-5-amine (CAS 1229025-29-9)
- 6-Chloro-2-(chloromethyl)-3-methylpyridine (CAS 1256812-09-5)
- n-{3-[(methylamino)methyl]phenyl}benzenesulfonamide (CAS 1156162-41-2)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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