4-((2-Hydroxy-3-methoxybenzyl)amino)-N-(thiazol-2-yl)benzenesulfonamide CAS 684236-01-9
| CAS No. | 684236-01-9 |
| Molecular Formula | C17H17N3O4S2 |
| Molecular Weight | 391.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-((2-Hydroxy-3-methoxybenzyl)amino)-N-(thiazol-2-yl)benzenesulfonamide (CAS 684236-01-9), molecular formula C17H17N3O4S2 and molecular weight 391.46 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-((2-Hydroxy-3-methoxybenzyl)amino)-N-(thiazol-2-yl)benzenesulfonamide (C17H17N3O4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 391.46 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H17N3O4S2 |
| Molecular Weight | 391.46 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- Mefatinib Impurity 19 (CAS CATO-C4X-299219)
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- 8-(Trifluoromethyl)-[1,3]dioxolo[4,5-g]quinolin-6-ol (CAS 249737-08-4)
- 1-Bromo-4-ethoxy-2-methylbenzene (CAS 68155-69-1)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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