1-(2-Bromophenylsulfonyl)-3,5-dimethyl-1H-pyrazole CAS 957120-77-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 957120-77-3 |
| Molecular Formula | C11H11BrN2O2S |
| Molecular Weight | 315.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Bromophenylsulfonyl)-3,5-dimethyl-1H-pyrazole (CAS 957120-77-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H11BrN2O2S. Molecular weight: 315.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H11BrN2O2S |
| Molecular Weight | 315.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromophenylsulfonyl Standards
- 1-(4-Bromophenylsulfonyl)-4-methylpiperidine (CAS 333345-62-3)
- 4-(3-Bromophenylsulfonyl)morpholine (CAS 871269-13-5)
- 4-(4-Bromophenylsulfonyl)morpholine (CAS 834-67-3)
- 1-(4-Bromophenylsulfonyl)piperazine (CAS 179334-20-4)
- 1-(3-Bromophenylsulfonyl)piperidine (CAS 871269-12-4)
- 1-(2-Bromophenylsulfonyl)-4-methyl-1H-imidazole (CAS 951884-07-4)
- 1-(4-Bromophenylsulfonyl)-2-methyl-1H-imidazole (CAS 324776-97-8)
- 1-(4-Bromophenylsulfonyl)-4-ethylpiperazine (CAS 385404-09-1)
Recommended Standards
- 4-(4-Bromophenyl)-3-(ethylsulfonyl)-1H-pyrazole (CAS 1710301-53-3)
- 2-[(3-iodo-1-bicyclo[1.1.1]pentanyl)methyl]benzonitrile (CAS 2242694-09-1)
- 3-(4-Bromophenyl)-4-(ethylsulfonyl)-1H-pyrazole (CAS 1707573-08-7)
- 2-Cyano-N-(2-oxopiperidin-1-yl)acetamide (CAS 1240528-88-4)
- 1,2-Cyclohexanedicarboxylic acid, 1,2-bis(2-oxiranylmethyl) ester, homopolymer (CAS 27103-66-8)
- tert-butyl N-[1-(hydrazinecarbonyl)but-3-yn-1-yl]carbamate (CAS 1909308-89-9)
- 2-(3-Bromophenyl)furan (CAS 85553-51-1)
- 6-Chloro-1-propyl-1H-indole-3-carbaldehyde (CAS 1551754-51-8)
- α-(Methylaminomethyl)benzyl Alcohol (CAS 6589-55-5)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com