3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carbonitrile CAS 134997-98-1
| CAS No. | 134997-98-1 |
| Molecular Formula | C9H6N2OS |
| Molecular Weight | 190.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carbonitrile (C9H6N2OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carbonitrile (CAS 134997-98-1) is a high-purity analytical reference standard with the molecular formula C9H6N2OS and a molecular weight of 190.22 g/mol.
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-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carbonitrile 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 | C9H6N2OS |
| Molecular Weight | 190.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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