7,8-Difluoro-3,4-Dihydro-2H-1,4-Benzothiazine CAS 198278-55-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 198278-55-6 |
| Molecular Formula | C8H7F2NS |
| Molecular Weight | 187.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7,8-Difluoro-3,4-Dihydro-2H-1,4-Benzothiazine (CAS 198278-55-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H7F2NS. Molecular weight: 187.21 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H7F2NS |
| Molecular Weight | 187.21 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-fluoro-1H-indole-7-carboxylic acid (CAS 875305-42-3)
- Methyl (2R,7aR)-2-fluorotetrahydro-1H-pyrrolizine-7a(5H)-carboxylate (CAS 2725774-21-8)
- 6-fluoro-1H-indole-4-carboxylic acid (CAS 908600-71-5)
- (3,5-Dimethylphenyl)(2-methylpyridin-4-yl)methanone (CAS 1187165-64-5)
- 8-Chloro-6-methyl-5H-[1,2,4]triazino[5,6-b]indole-3-thiol (CAS 1797363-61-1)
- 5-Methyl-2-[2-(4-morpholinyl)ethoxy]phenylamine (CAS 946715-66-8)
- 1-(Pyridin-2-ylmethyl)cyclopropane-1-carbonitrile (CAS 1862553-80-7)
- 3-(Ethoxycarbonylamino)phenothiazine (CAS 14966-87-1)
- 3,4-Difluoro-5,5-dimethyl-2(5H)-furanone (CAS 64955-33-5)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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