3,4-Dihydro-2H-1,4-benzothiazine-3-thione CAS 22191-30-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22191-30-6 |
| Molecular Formula | C18H23NO C7H7ClN4O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4-Dihydro-2H-1,4-benzothiazine-3-thione (CAS 22191-30-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H23NO C7H7ClN4O2. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H23NO C7H7ClN4O2 |
| Molecular Weight | 484.00 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com