Ethyl 5-(chlorosulfonyl)-3-methyl-1-benzofuran-2-carboxylate CAS 1173083-97-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1173083-97-0 |
| Molecular Formula | C12H11ClO5S |
| Molecular Weight | 302.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-(chlorosulfonyl)-3-methyl-1-benzofuran-2-carboxylate (CAS 1173083-97-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H11ClO5S. Molecular weight: 302.73 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H11ClO5S |
| Molecular Weight | 302.73 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1989 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- N-((5-(3-Chlorophenyl)-1H-1,2,4-triazol-3-yl)methyl)-4-fluoroaniline (CAS 1171939-88-0)
- tert-Butyl N-{[(3-chloro-4-fluorophenyl)carbamoyl]methyl}carbamate (CAS 1387745-22-3)
- N-((5-(4-Chlorophenyl)-1H-1,2,4-triazol-3-yl)methyl)-4-fluoroaniline (CAS 1171359-35-5)
- 2-Amino-4-oxo-4H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (CAS 1000576-55-5)
- 1-((1H-benzo[d]imidazol-2-yl)methyl)cyclohexan-1-amine (CAS 1435804-82-2)
- 2-Bromo-5-(chloromethyl)-3-fluoropyridine (CAS 1227489-73-7)
- ethyl 1-cyclopropanecarbonylpiperidine-3-carboxylate (CAS 1153068-27-9)
- (5-Hydroxy-1,3-phenylene)dimethanol (CAS 153707-56-3)
- 4-((Furan-2-ylmethyl)thio)aniline (CAS 869943-49-7)
- D-Ser12-Semaglutide (CAS CATO-C4X-2226240)
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