(4-Bromo-1-ethyl-3-methyl-1h-pyrazol-5-yl)methanesulfonyl chloride CAS 1479135-30-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1479135-30-2 |
| Molecular Formula | C7H10BrClN2O2S |
| Molecular Weight | 301.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4-Bromo-1-ethyl-3-methyl-1h-pyrazol-5-yl)methanesulfonyl chloride (CAS 1479135-30-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H10BrClN2O2S. Molecular weight: 301.59 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H10BrClN2O2S |
| Molecular Weight | 301.59 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-Decyl-N,N,N',N',N'',N''-hexamethylsilanetriamine (CAS 1015787-64-0)
- (3-Bromothiophen-2-yl)(2-chlorophenyl)methanone (CAS 887573-01-5)
- 4-(4-Bromophenyl)thiophene-2-carbonyl chloride (CAS 681260-49-1)
- Sulfamonomethoxine-D4 (CAS 1286538-12-2)
- 5-Bromo-3-fluorophthalic acid (CAS 344309-11-1)
- 4-(Pyridin-3-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-8-carboxylic acid (CAS 950187-45-8)
- Neostigmine impurity 36 (CAS CATO-C4X-204236)
- 1-Cyclobutyl-1h-imidazo[4,5-c]pyridine-2-thiol (CAS 1513389-11-1)
- 4-Isopropyl-4-methyloxazolidine-2,5-dione (CAS 138142-01-5)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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