3-((Ethyl(m-tolyl)amino)methyl)benzenesulfonic acid CAS 91-98-5
| CAS No. | 91-98-5 |
| Molecular Formula | C16H19NO3S |
| Molecular Weight | 305.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-((Ethyl(m-tolyl)amino)methyl)benzenesulfonic acid is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-((Ethyl(m-tolyl)amino)methyl)benzenesulfonic acid (CAS 91-98-5) is a high-purity analytical reference standard with the molecular formula C16H19NO3S and a molecular weight of 305.39 g/mol.
Structurally, 3-((Ethyl(m-tolyl)amino)methyl)benzenesulfonic acid (C16H19NO3S) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 305.39 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).
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), 3-((Ethyl(m-tolyl)amino)methyl)benzenesulfonic acid 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 | C16H19NO3S |
| Molecular Weight | 305.39 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 3-((4-Fluorobenzyl)thio)-4-methyl-5-(thiophen-2-yl)-4H-1,2,4-triazole (CAS 329699-48-1)
- 4,6-Dimethyl-3-[2-(propan-2-yl)benzenesulfonyl]-1,2-dihydropyridin-2-one (CAS 866049-00-5)
- 2-Ethoxy-4,6-dimethyl-3-(3-methylbenzenesulfonyl)pyridine (CAS 866143-08-0)
- 4-Ethoxy-N-(1-phenylethyl)benzenesulfonamide (CAS 565206-90-8)
- 130373-81-8 3-(1,3-Dihydro-isoindol-2-yl)-benzoic acid 3-(1,3-dihydro-2h-isoindol-2-yl)benzoic acid (CAS 130373-81-8)
- Tert-butyl (R)-6-methyl-2,7-diazaspiro[3.5]Nonane-7-carboxylate (CAS 2306252-40-2)
- 2-Cyclopropyl-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidine (CAS 916059-18-2)
- N-(1-(aminomethyl)cyclopentyl)-3-fluorobenzamide (CAS 912770-90-2)
- n-(2-Ethylhexyl)tetrahydro-2h-pyran-4-amine (CAS 1157011-80-7)
- 4-Cyano-2-fluorobenzoyl Chloride (CAS 175596-02-8)
- 4-(2-Aminophenyl)piperazin-2-one (CAS 926199-99-7)
- (2-(4-Chlorophenyl)thiazol-4-yl)methanamine (CAS 772338-96-2)
- 2-Methoxy-N-(3-methylpentan-2-yl)pyridin-3-amine (CAS 1157520-80-3)
- Tau Peptide (298-312) trifluoroacetate salt (CAS 330456-47-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com