| CAS No. | 92808-77-0 |
| Molecular Formula | C8H7NS2 |
| Molecular Weight | 181.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 181.28 g/mol gives 3,4-Dihydro-2H-benzo[e][1,3]thiazine-2-thione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,4-Dihydro-2H-benzo[e][1,3]thiazine-2-thione (CAS 92808-77-0) is a high-purity analytical reference standard with the molecular formula C8H7NS2 and a molecular weight of 181.28 g/mol.
Structurally, 3,4-Dihydro-2H-benzo[e][1,3]thiazine-2-thione (C8H7NS2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 181.28 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3,4-Dihydro-2H-benzo[e][1,3]thiazine-2-thione 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.
| Molecular Formula | C8H7NS2 |
| Molecular Weight | 181.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | 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.) | 1983 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |