Methyl 4-bromo-1-methyl-3-nitro-1H-pyrazole-5-carboxylate CAS 1379295-74-5
| CAS No. | 1379295-74-5 |
| Molecular Formula | C6H6BrN3O4 |
| Molecular Weight | 264.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H6BrN3O4, Methyl 4-bromo-1-methyl-3-nitro-1H-pyrazole-5-carboxylate contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl 4-bromo-1-methyl-3-nitro-1H-pyrazole-5-carboxylate (CAS 1379295-74-5), molecular formula C6H6BrN3O4 and molecular weight 264.03 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures Methyl 4-bromo-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 | C6H6BrN3O4 |
| Molecular Weight | 264.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 3-(4-Bromo-3-nitro-1h-pyrazol-1-yl)propanoic acid (CAS 1006993-36-7)
- 3-Bromo-6-(difluoromethoxy)pyrazolo[1,5-a]pyrimidine (CAS 1314893-98-5)
- 2-(4-Bromo-5-methyl-3-nitro-1H-pyrazol-1-yl)acetic acid (CAS 345637-67-4)
- 6-Bromo-5,8-difluoro-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1221502-86-8)
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- 4-Bromo-6-(trifluoromethyl)-1H-indole (CAS 1000342-93-7)
Recommended Standards
- (2-[(2,4-Difluorophenyl)methoxy]phenyl)boranediol (CAS 1335234-26-8)
- (6-(Benzyloxy)-2,3-difluorophenyl)boronic acid (CAS 1451393-19-3)
- 2,5-Difluoro-4-benzyloxyphenylboronic acid (CAS 1452574-01-4)
- (5-Fluoro-2-((3-fluorobenzyl)oxy)phenyl)boronic acid (CAS 1256358-53-8)
- 4-Propylbenzene-1-sulfonamide (CAS 1132-18-9)
- 2-((4-Amino-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(o-tolyl)acetamide (CAS 886928-88-7)
- 3-Fluoro-5-methylaniline (CAS 52215-41-5)
- Tulobuterol Impurity N3 (CAS 2425-28-7)
- Axitinib Impurity 29 (CAS CATO-C4X-107129)
- Uridine Impurity 16 (CAS 945684-11-7)
- 6-nitropyridine-2-carboxylic acid (CAS 26893-68-5)
- 3-Isopropyl-6,7-dihydro-5H-cyclopenta[b]isoxazolo[4,5-e]pyridine-4-carboxylic acid (CAS 1263215-46-8)
- Manganese(II) acetylacetonate (CAS 14024-58-9)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
Why CATO?
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