1-(2-Bromo-5-chlorophenyl)-5-methyl-1H-pyrazole CAS 1125828-28-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1125828-28-5 |
| Molecular Formula | C10H8BrClN2 |
| Molecular Weight | 271.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Bromo-5-chlorophenyl)-5-methyl-1H-pyrazole (CAS 1125828-28-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8BrClN2. Molecular weight: 271.54 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8BrClN2 |
| Molecular Weight | 271.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-1-[(4-chlorophenyl)methyl]-1h-pyrazole (CAS 1006538-60-8)
- 3-Bromo-7-chloro-2,4-dimethyl-1,8-naphthyridine (CAS 1021117-08-7)
- 1-(2-Bromo-5-chlorophenyl)-3-methyl-1H-pyrazole (CAS 1125828-26-3)
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Recommended Standards
- 3-(3-bromophenyl)-4-chloro-5-methyl-1H-pyrazole (CAS 1257858-65-3)
- 2,4,8-Trichlorodibenzofuran (CAS 54589-71-8)
- 2,6,7-Trichlorodibenzofuran (CAS 83704-45-4)
- 2-(4-Fluorophenyl)imidazo[1,2-a]pyridine-6-carboxylic acid (CAS 866133-65-5)
- 2-methyl-3,4-dihydro-2H-1,4-benzoxazine hydrochloride (CAS 1226426-70-5)
- (3-Bromo-5,6,7,8-tetrahydroquinolin-8-yl)methanamine (CAS 2387601-86-5)
- (4-aminopentyl)ethyl-carbamic Acid 1,1-Dimethylethyl Ester 887353-45-9 Ethyl-(4-aminopentyl)-ethyl-carbamic Acid, t-Butyl Ester N-(t-Boc)-N-ethyl-4-aminopentylamine (CAS 887353-45-9)
- H-Lys-OBzl.HCl (CAS 134143-21-8)
- (R)-2-(aminomethyl)pentanoic acid (CAS 312613-71-1)
- Cycloaspeptide A (CAS 109171-13-3)
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