| CAS No. | 893313-36-5 |
| Molecular Formula | C23H20N2O3S |
| Molecular Weight | 404.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Benzyl-3-((p-tolylamino)methylene)-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide.
1-Benzyl-3-((p-tolylamino)methylene)-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide (CAS 893313-36-5) is a high-purity analytical reference standard with the molecular formula C23H20N2O3S and a molecular weight of 404.48 g/mol.
Structurally, 1-Benzyl-3-((p-tolylamino)methylene)-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide (C23H20N2O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 404.48 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 1-Benzyl-3-((p-tolylamino)methylene)-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide 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 | C23H20N2O3S |
| Molecular Weight | 404.48 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |