4-Bromo-1-methyl-3-nitro-1h-pyrazole-5-carboxylic acid CAS 84547-89-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 84547-89-7 |
| Molecular Formula | C5H4BrN3O4 |
| Molecular Weight | 250.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-1-methyl-3-nitro-1h-pyrazole-5-carboxylic acid (CAS 84547-89-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4BrN3O4. Molecular weight: 250.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4BrN3O4 |
| Molecular Weight | 250.01 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 |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- Methyl 4-bromo-3-nitro-1H-pyrazole-5-carboxylate (CAS 1187560-11-7)
- 2-(4-Bromo-3-nitro-1H-pyrazol-1-yl)acetic acid (CAS 375349-69-2)
- 4-Bromo-1-methyl-5-nitro-1H-pyrazole-3-carboxylic acid (CAS 84547-91-1)
- Methyl 4-bromo-5-nitrofuran-2-carboxylate (CAS 1403566-15-3)
- 6-Bromo-3-(difluoromethoxy)pyrazine-2-carbonitrile (CAS 2812355-09-0)
- (4-Bromo-5-fluoro-2-nitrophenyl)methanol (CAS 1132682-66-6)
- 5-Bromo-1-fluoro-3-methoxy-2-nitrobenzene (CAS 1137869-91-0)
- 2-Bromo-3-fluoro-4-methoxy-1-nitrobenzene (CAS 1170991-77-1)
Recommended Standards
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- 7-Fluoro-4,4-dimethyl-1,2,3,4-tetrahydro-1,8-naphthyridin-2-one (CAS 846035-55-0)
- 3-Chloro-5-(hydroxymethyl)benzoic Acid (CAS 153203-56-6)
- N-(3-(4-Fluorobenzyl)-1H-1,2,4-triazol-5-yl)-5-(pyridin-3-yl)-1H-pyrazole-3-carboxamide (CAS 1489255-89-1)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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