3,4-Dihydro-2H-benzo[b][1,4]thiazine hydrochloride CAS 6397-56-4
| CAS No. | 6397-56-4 |
| Molecular Formula | C8H9NS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 187.69 g/mol gives 3,4-Dihydro-2H-benzo[b][1,4]thiazine hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,4-Dihydro-2H-benzo[b][1,4]thiazine hydrochloride (CAS 6397-56-4) is a high-purity analytical reference standard with the molecular formula C8H9NSHCl and a molecular weight of 187.69 g/mol.
3,4-Dihydro-2H-benzo[b][1,4]thiazine hydrochloride (C8H9NSHCl) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,4-Dihydro-2H-benzo[b][1,4]thiazine hydrochloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H9NS HCl |
| Molecular Weight | 187.69 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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