2-(1,2-benzoxazol-3-yl)ethane-1-sulfonyl chloride CAS 343317-55-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 343317-55-5 |
| Molecular Formula | C9H8ClNO3S |
| Molecular Weight | 245.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-(1,2-benzoxazol-3-yl)ethane-1-sulfonyl chloride (CAS 343317-55-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H8ClNO3S. Molecular weight: 245.68 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H8ClNO3S |
| Molecular Weight | 245.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-Oxo-1,2,3,4-tetrahydroisoquinoline-7-sulfonyl Chloride (CAS 952424-09-8)
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- 1-Formylindoline-5-sulfonyl chloride (CAS 79679-16-6)
- (Isopropylthio)acetonitrile (CAS 23178-01-0)
- Thallium(I) acetylacetonate (CAS 25955-51-5)
- (S)-[(RuCl(BINAP))2(μ-Cl)3][NH2Me2] (CAS 199541-17-8)
- Denbufylline (CAS 57076-71-8)
- 1-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)piperazine acetate (CAS 906093-30-9)
- 2-(Hydroxymethyl)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1155535-46-8)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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