N-(sec-Butyl)-2-methoxy-5-methylbenzenesulfonamide CAS 870540-53-7
| CAS No. | 870540-53-7 |
| Molecular Formula | C12H19NO3S |
| Molecular Weight | 257.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(sec-Butyl)-2-methoxy-5-methylbenzenesulfonamide (CAS 870540-53-7), molecular formula C12H19NO3S and molecular weight 257.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(sec-Butyl)-2-methoxy-5-methylbenzenesulfonamide (C12H19NO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 257.35 g/mol, it falls into the medium-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), N-(sec-Butyl)-2-methoxy-5-methylbenzenesulfonamide 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 | C12H19NO3S |
| Molecular Weight | 257.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- N-(sec-Butyl)-2-methoxy-4-methylbenzenesulfonamide (CAS 898639-08-2)
- N,N-Bis(2-aminoethyl)-4-methylbenzenesulfonamide (CAS 23539-15-3)
- n-(4,5,6,7-Tetrahydrobenzo[b]thiophen-2-yl)benzamide (CAS 51948-22-2)
- N,N-Diethyl-2,6-dimethoxy-5-(methylthio)pyrimidin-4-amine (CAS 89587-80-4)
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