Methyl 4-bromo-3-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate CAS 2061941-00-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2061941-00-0 |
| Molecular Formula | C6H6BrClN2O4S |
| Molecular Weight | 317.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 4-bromo-3-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate (CAS 2061941-00-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H6BrClN2O4S. Molecular weight: 317.54 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H6BrClN2O4S |
| Molecular Weight | 317.54 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Chloro-2-iodobenzenesulfonamide (CAS 271796-28-2)
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- 3-Chloro-4-iodobenzenesulfonamide (CAS 779331-18-9)
- 3-(4-Ethoxyphenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1017665-63-2)
- 3-(3-Aminopiperidin-1-yl)-2,2-dimethylpropanoic acid (CAS 1539913-01-3)
- 3-(5-Chloropyridin-2-yl)-1H-indazol-5-amine (CAS 1356088-00-0)
- 1-[1-(Difluoroboryl)oxy-3,4-dihydro-naphthalen-2-yl]ethanone inner complex (CAS 55923-05-2)
- 2-methylcyclopropanecarbaldehyde (CAS 39547-01-8)
- Sofosbuvir Impurity 61 (CAS 1496551-72-4)
- Tirzepatide Impurity 49 (CAS CATO-C4X-324049)
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