4-Fluorobenzo[d]oxazole-2-sulfonyl chloride CAS 1804212-47-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1804212-47-2 |
| Molecular Formula | C7H3ClFNO3S |
| Molecular Weight | 235.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Fluorobenzo[d]oxazole-2-sulfonyl chloride (CAS 1804212-47-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H3ClFNO3S. Molecular weight: 235.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H3ClFNO3S |
| Molecular Weight | 235.62 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, 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 6-chloro-2-(difluoromethyl)nicotinate (CAS 1707378-60-6)
- 2-(Chloromethyl)-4-(difluoromethyl)pyridine-3-acetic acid (CAS 1804444-45-8)
- 2-Amino-3-(4-chloro-3,5-difluorophenyl)propanoic acid (CAS 1706431-62-0)
- 2-(Aminomethyl)-3-chloro-4-(difluoromethyl)-5-(trifluoromethyl)pyridine (CAS 1806941-28-5)
- 2-(4-Fluorophenyl)-2-phenylacetonitrile (CAS 719-82-4)
- Boc-D-Homocys(Trt)-OH (CAS 1301706-43-3)
- 1-(3-Chloro-2-methylphenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 63674-94-2)
- 1-[2-(difluoromethoxy)phenyl]pyrrolidin-3-amine (CAS 1096836-96-2)
- rac-(2S,3R)-2-(pyridin-3-yl)oxolan-3-amine dihydrochloride (CAS 2059917-90-5)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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