5-Bromo-1-(2-nitrophenyl)-1H-pyrazole-4-carbonitrile CAS 1269293-04-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1269293-04-0 |
| Molecular Formula | C10H5BrN4O2 |
| Molecular Weight | 293.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-1-(2-nitrophenyl)-1H-pyrazole-4-carbonitrile (CAS 1269293-04-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H5BrN4O2. Molecular weight: 293.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H5BrN4O2 |
| Molecular Weight | 293.08 g/mol |
| Appearance | Pale yellow to 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 DMSO, DMF, methanol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 3-Nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid (CAS 1218791-11-7)
- 2-(4-Fluoro-3-iodobenzyl)guanidine (CAS 117423-43-5)
- N-ethyl-5-fluoro-2-iodobenzamide (CAS 1311723-21-3)
- 1-(4-Methylthiazol-2-yl)cyclohexan-1-amine (CAS 1176104-06-5)
- 1-Phenethyl-1H-pyrazole-4-carbaldehyde (CAS 261948-17-8)
- 5-(4-Chlorophenyl)-2-((4-fluorophenyl)thio)nicotinonitrile (CAS 338955-19-4)
- Pristinamycin IA (CAS 3131-03-1)
- (S)-Carisbamate-13C,15N,d2 (CAS 1246817-83-3)
- 1-Bromo-2-fluoro-4-isopropoxy-5-methoxybenzene (CAS 1785005-47-1)
- Endo-Ala35-Tirzepatide (CAS CATO-CPTD788687)
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