8-Chloro-3,4-dihydro-2h-1-benzothiopyran-4-one CAS 60639-20-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 60639-20-5 |
| Molecular Formula | C9H7ClOS |
| Molecular Weight | 198.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Chloro-3,4-dihydro-2h-1-benzothiopyran-4-one (CAS 60639-20-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7ClOS. Molecular weight: 198.67 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7ClOS |
| Molecular Weight | 198.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 7-Chloro-N-methyl-2-benzothiazolamine (CAS 34551-18-3)
- 287397-89-1 Diethyl Chlorothiophosphate-d10 NSC 43776-d10 O,O-(Diethyl-d10) Thiophosphoryl Chloride Phosphorochloridothioic Acid O,O-(Diethyl-d10) Ester (CAS 287397-89-1)
- 7-Chloro-4-methyl-1,3-benzothiazol-2-amine (CAS 78584-09-5)
- 9-(Tert-butoxycarbonyl)-1-oxa-9-azaspiro[5.5]Undecane-4-carboxylic acid (CAS 1357352-09-0)
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- 3-[2-[4-[2-methoxy-5-[2-(1-methylpyridin-1-ium-3-yl)ethyl]phenoxy]phenyl]ethyl]-1-methyl-pyridin-1-ium diiodide (CAS 365542-41-2)
- 1-(2-Bromoethyl)-1H-benzimidazole hydrobromide 2716AF 90326-34-4 C9H10Br2N2 (CAS 90326-34-4)
- 3-Bromo-2-methoxy-4-methylpyridine (CAS 717843-51-1)
- 5-Chloro-1H-indole-2-carbohydrazide (CAS 20948-67-8)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
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