4-amino-N-{4-[ethyl(2-hydroxyethyl)amino]phenyl}benzene-1-sulfonamide CAS 1193389-97-7
| CAS No. | 1193389-97-7 |
| Molecular Formula | C16H21N3O3S |
| Molecular Weight | 335.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-amino-N-{4-[ethyl(2-hydroxyethyl)amino]phenyl}benzene-1-sulfonamide (CAS 1193389-97-7), molecular formula C16H21N3O3S and molecular weight 335.42 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H21N3O3S, 4-amino-N-{4-[ethyl(2-hydroxyethyl)amino]phenyl}benzene-1-sulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 335.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H21N3O3S |
| Molecular Weight | 335.42 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-((1-Benzyl-5-(4-methoxyphenyl)-1H-imidazol-2-yl)thio)acetonitrile (CAS 1207042-48-5)
- (S)-N-(2,6-Dimethylphenyl)pyrrolidine-2-carboxamide (CAS 151416-29-4)
- 1-Chloro-3-(pyrrolidin-1-yl)isoquinoline (CAS 1050909-85-7)
- pyrrolo[1,2-a]pyrazine-8-carbaldehyde (CAS 179381-15-8)
- Phenylac-Gly-Lys-OH (CAS 113969-25-8)
- 6-(Phenylcarbamoyl)cyclohex-3-ene-1-carboxylic acid (CAS 59157-31-2)
- 3-(Difluoromethyl)pyrazin-2-amine (CAS 1785423-85-9)
- Methyl 1-benzyl-5-thioxopyrrolidine-3-carboxylate (CAS 874130-13-9)
- 2-(Nitromethylene)-1-(phenylmethyl)imidazolidine (CAS 61532-76-1)
- 1-(2,6-Dimethylpiperidin-1-yl)-3-(3-methoxyphenoxy)propan-2-ol hydrochloride (CAS 473567-27-0)
- [a-Glu](Side chain transposition)- Semaglutide (CAS CATO-C4X-2226111)
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