4-Methyl-N-(4-nitrobenzyl)-N-(p-tolyl)benzenesulfonamide CAS 332156-41-9
| CAS No. | 332156-41-9 |
| Molecular Formula | C21H20N2O4S |
| Molecular Weight | 396.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Methyl-N-(4-nitrobenzyl)-N-(p-tolyl)benzenesulfonamide (C21H20N2O4S) 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 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 396.46 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Methyl-N-(4-nitrobenzyl)-N-(p-tolyl)benzenesulfonamide (CAS 332156-41-9), molecular formula C21H20N2O4S and molecular weight 396.46 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Methyl-N-(4-nitrobenzyl)-N-(p-tolyl)benzenesulfonamide 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 | C21H20N2O4S |
| Molecular Weight | 396.46 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Amino-5-benzoyl-2-{[2-(4-fluorophenyl)-2-oxoethyl]sulfanyl}thiophene-3-carbonitrile (CAS 478081-63-9)
- 4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 4-(tert-butyl)benzoate (CAS 877635-40-0)
- 4-{6-[(benzenesulfonyl)methyl]-2-(pyridin-3-yl)pyrimidin-4-yl}morpholine (CAS 477867-18-8)
- 6-((4-Methoxyphenyl)amino)-8-(phenylsulfonyl)-2,3-dihydroindolizin-5(1H)-one (CAS 612065-25-5)
- 2-Bromo-1-methyl-4-nitrobenzene (CAS 7745-93-9)
- 1-Methyl-4-nitro-1H-indole-3-carbaldehyde (CAS 36728-90-2)
- 2-Isopropyl-1,3-benzothiazole (CAS 17626-86-7)
- 4-Bromo-N-(Pyrrolidin-2-ylmethyl)aniline dioxalate (CAS 1177304-51-6)
- (S)-1-Boc-4-Cbz-2-methylpiperazine (CAS 859517-91-2)
- 3-Ethylbenzo[d]isothiazole 1,1-dioxide (CAS 61798-56-9)
- 2-Methyl-7-aza-3-indolylacetic Acid (CAS 7546-50-1)
- tert-Butyl 5-(bromomethyl)-2,2-dimethyloxazolidine-3-carboxylate (CAS 1956365-26-6)
- Ethyl 2-(allylimino)-4-methyl-2,3-dihydrothiazole-5-carboxylate (CAS 6721-80-8)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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