7-(2-chlorophenyl)-5-hydroxy-2H-1,3-benzoxathiol-2-one CAS 301681-73-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 301681-73-2 |
| Molecular Formula | C13H7ClO3S |
| Molecular Weight | 278.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-(2-chlorophenyl)-5-hydroxy-2H-1,3-benzoxathiol-2-one (CAS 301681-73-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H7ClO3S. Molecular weight: 278.71 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H7ClO3S |
| Molecular Weight | 278.71 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 chloroform, dichloromethane, ethyl acetate, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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- 3-(4-Chlorophenyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 852854-16-1)
- 6-(2-Chlorophenyl)imidazo[2,1-b]thiazole-3-carboxylic acid (CAS 912770-05-9)
- 6-(3-Chlorophenyl)imidazo[2,1-b]thiazole-3-carboxylic acid (CAS 912770-22-0)
- 7-(4-Chlorophenyl)-5-hydroxybenzo[d][1,3]oxathiol-2-one (CAS 327078-55-7)
- 2947AF 6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazole-3-carboxylic acid 912770-34-4 C12H7ClN2O2S (CAS 912770-34-4)
Recommended Standards
- 7-(3-Chloro-phenyl)-5-hydroxy-benzo[1,3]oxathiol-2-one (CAS 307514-06-3)
- 5-Amino-2-chloro-n-[(2-fluorophenyl)methyl]benzamide (CAS 953903-75-8)
- 8-(chloromethyl)-6-fluoro-2-phenyl-4H-1,3-benzodioxine (CAS 730992-77-5)
- 3-(4-Methylpiperazin-1-ylsulfonyl)aniline (CAS 436095-35-1)
- 2-Amino-5,5-dimethyl-4,5-dihydro-1,3-thiazol-4-one (CAS 4695-19-6)
- Ethyl 3-bromopropiolate (CAS 41658-03-1)
- N-((5-Methylfuran-2-yl)methylene)aniline (CAS 61973-96-4)
- 5-cyclopropyl-4H-1,2,4-triazole-3-carbonitrile (CAS 1909319-66-9)
- 1-(3,4-Dimethoxyphenyl)-5-oxopyrrolidine-3-carboxamide (CAS 1267290-36-7)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
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