7-(3-Chloro-phenyl)-5-hydroxy-benzo[1,3]oxathiol-2-one CAS 307514-06-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 307514-06-3 |
| Molecular Formula | C13H7ClO3S |
| Molecular Weight | 278.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-(3-Chloro-phenyl)-5-hydroxy-benzo[1,3]oxathiol-2-one (CAS 307514-06-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H7ClO3S. Molecular weight: 278.71 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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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Recommended Standards
- 7-(2-chlorophenyl)-5-hydroxy-2H-1,3-benzoxathiol-2-one (CAS 301681-73-2)
- 7-(4-Chlorophenyl)-5-hydroxybenzo[d][1,3]oxathiol-2-one (CAS 327078-55-7)
- 6-(3-Chlorophenyl)imidazo[2,1-b]thiazole-3-carboxylic acid (CAS 912770-22-0)
- 1-(2-(Thiophen-3-yl)phenyl)ethan-1-one (CAS 886509-39-3)
- Ethyl 2-amino-5,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 87031-17-2)
- L-Ornithine L-Aspartate Impurity 19 (CAS 60259-82-7)
- (R)-5-Nitro-N-(1-phenylethyl)pyridin-2-amine (CAS 64138-65-4)
- 2-(pyrrolidin-1-ylmethyl)-1,3-benzoxazol-5-amine (CAS 858679-51-3)
- 8-Nitroquinoline-2-carbonitrile (CAS 857685-17-7)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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