(E)-4-methyl-N'-(4-methylbenzylidene)benzenesulfonohydrazide CAS 40739-81-9
| CAS No. | 40739-81-9 |
| Molecular Formula | C15H16N2O2S |
| Molecular Weight | 288.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4-methyl-N'-(4-methylbenzylidene)benzenesulfonohydrazide (CAS 40739-81-9), molecular formula C15H16N2O2S and molecular weight 288.36 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (E)-4-methyl-N'-(4-methylbenzylidene)benzenesulfonohydrazide (C15H16N2O2S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C15H16N2O2S |
| Molecular Weight | 288.36 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- (E)-[1-(2,4-Dimethyl-1,3-thiazol-5-yl)ethylidene]amino 4-methylbenzoate (CAS 477872-42-7)
- (S)-2-((S)-1-Acetylpyrrolidine-2-carboxamido)-4-(methylthio)butanoic acid (CAS 62427-53-6)
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(4-ethylphenyl)methanone (CAS 898778-46-6)
- (Z)-4-methyl-N'-(1-phenylethylidene)benzenesulfonohydrazide (CAS 4545-21-5)
- (S)-Ethyl 2-amino-2-phenylacetate (CAS 15962-49-9)
- D-5-Bromotryptophan (CAS 93299-40-2)
- 2-chloro-6-methoxy-pyridin-4-amine (CAS 1008304-85-5)
- N-(2-Fluorophenyl)-2-methoxybenzamide (CAS 5215-36-1)
- 9-cis-Retinol-d5 (CAS CATO-CCFD200639)
- Agomelatine Impurity 3 (CAS 1385018-57-4)
- (S)-N-[(1-Ethyl-2-pyrrolidinyl)methyl]-2-hydroxy-6-methoxybenzamide 84226-04-0 N-[[(2S)-1-Ethyl-2-pyrrolidinyl]methyl]-2-hydroxy-6-methoxybenzamide S( C)-2-Hydroxy-6-methoxy-N-[(1-ethyl-2-pyrrolidinyl)methyl]benzamide S(-)-BZM (CAS 84226-04-0)
- 2,4-Dichlorobenzyl 1,2,3,4-tetrahydroacridine-9-carboxylate (CAS 728929-60-0)
- (2R)-2-(ethylamino)propan-1-ol (CAS 34052-69-2)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
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