Ethyl 1-methyl-3-nitro-1H-pyrazole-5-carboxylate CAS 1245807-07-1
| CAS No. | 1245807-07-1 |
| Molecular Formula | C7H9N3O4 |
| Molecular Weight | 199.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H9N3O4, Ethyl 1-methyl-3-nitro-1H-pyrazole-5-carboxylate 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 199.16 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 supplies Ethyl 1-methyl-3-nitro-1H-pyrazole-5-carboxylate (CAS 1245807-07-1), a certified reference material (molecular formula C7H9N3O4, MW 199.16 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl 1-methyl-3-nitro-1H-pyrazole-5-carboxylate 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 | C7H9N3O4 |
| Molecular Weight | 199.16 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Methyl 2-(5-methyl-4-nitro-1h-pyrazol-1-yl)acetate (CAS 1245772-53-5)
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- (2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-7-yl)methanol (CAS 1263188-40-4)
- 4-(3,4-Dichlorophenyl)butan-1-ol (CAS 1343315-52-5)
- (1R,5R)-3-((benzyloxy)carbonyl)-3-azabicyclo[3.1.0]Hexane-1-carboxylic acid (CAS 2387569-24-4)
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- Terbutaline Impurity 34 (CAS 28924-18-7)
- (4-(tert-Butoxycarbonyl)-2-chloro-4H-thieno[3,2-b]pyrrol-5-yl)boronic acid (CAS 1430411-10-1)
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- (2-Bromo-4-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225178-39-0)
- 2-[(4-pyridin-2-ylpiperazin-1-yl)methyl]-1H-benzimidazole (CAS 70006-24-5)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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