Ethyl 5-bromo-4-(chlorosulfonyl)-2-methylbenzoate CAS 2138566-81-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2138566-81-9 |
| Molecular Formula | C10H10BrClO4S |
| Molecular Weight | 341.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-bromo-4-(chlorosulfonyl)-2-methylbenzoate (CAS 2138566-81-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10BrClO4S. Molecular weight: 341.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10BrClO4S |
| Molecular Weight | 341.61 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-5-(difluoromethyl)-1h-pyrazole-4-carboxylic acid (CAS 1269152-14-8)
- 1-(3-Chloropyridin-2-yl)-5-(pentafluoroethyl)-1h-pyrazole-4-carboxylic acid (CAS 1311316-34-3)
- Prochloraz metabolite 6 (CAS 139520-96-0)
- 2-Methoxy-2-(1,3-thiazol-2-yl)ethan-1-amine (CAS 933751-34-9)
- tert-Butyl 2-(3-chlorophenyl)piperazine-1-carboxylate (CAS 886767-45-9)
- Platinum(ii) (2,2:6,12-terpyridine) chloride hydrate (CAS 351527-14-5)
- 4-(2-Fluoro-4-methylphenoxy)piperidine (CAS 954224-69-2)
- Azacitidine Impurity 14 (CAS CATO-C4X-138814)
- Ethyl 2-(3-hydroxyphenyl)-2-(methylamino)acetate (CAS 56768-10-6)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
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