(2S)-2-[[(4-Methylphenyl)sulfonyl]amino]propanoic Acid 21957-58-4 N-(Toluene-4-sulfonyl)-L-alanine N-Tosyl-L-alanine N-[(4-Methylphenyl)sulfonyl]-L-alanine CAS 21957-58-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21957-58-4 |
| Molecular Formula | C10H19NO4S |
| Molecular Weight | 249.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2S)-2-[[(4-Methylphenyl)sulfonyl]amino]propanoic Acid 21957-58-4 N-(Toluene-4-sulfonyl)-L-alanine N-Tosyl-L-alanine N-[(4-Methylphenyl)sulfonyl]-L-alanine (CAS 21957-58-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H19NO4S. Molecular weight: 249.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H19NO4S |
| Molecular Weight | 249.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related S Standards
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- 4-Methyl-2-[(2-methylphenyl)formamido]pentanoic acid (CAS 1397002-90-2)
- 1-(2-methylphenyl)-3-phenyl-1H-pyrazol-5-amine (CAS 956256-20-5)
- 3-(3-Methylphenyl)-1-phenyl-1h-pyrazol-5-amine (CAS 618092-64-1)
- 3-(4-Methylphenyl)-1-phenyl-1H-pyrazol-5-amine (CAS 90012-40-1)
- 3,5-Bis(2-methylphenyl)-1H-1,2,4-triazole (CAS 85681-49-8)
- 4-(2-Ethyl-6-methylphenyl)-2-hydroxy-5-methylmorpholin-3-one (CAS 61520-54-5)
- 2-{[5-(4-methylphenyl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 132895-42-2)
Recommended Standards
- TG 003 (CAS 719277-26-6)
- 307327-55-5 4-Ethyl-5-[(3-methylphenoxy)methyl]-4H-1,2,4-triazole-3-thiol 9744AD C12H15N3OS (CAS 307327-55-5)
- tert-Butyl benzo[b]thiophen-6-ylcarbamate (CAS 946518-03-2)
- 3-(2-Methylcyclopropyl)-4-(thiophen-2-yl)-1h-pyrazol-5-amine (CAS 1340597-78-5)
- 3-Iodo-2-(trifluoromethyl)benzonitrile (CAS 1261748-11-1)
- (2-Phenylpropyl)(propan-2-yl)amine hydrochloride (CAS 1158512-24-3)
- N-Methyl-2-oxo-N-phenyl-1-{[4-(trifluoromethyl)phenyl]methyl}-1,2-dihydropyridine-3-carboxamide (CAS 338781-63-8)
- 2,4-Dichloro-1-(3-fluorophenyl)-5-(2,4,6-trifluorophenyl)-1H-imidazole (CAS 1146763-48-5)
- 1-[4-chloro-2-(methylsulfanyl)pyrimidin-5-yl]ethan-1-one (CAS 66116-82-3)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
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 13829788188 / jacky.chen@cato-chem.com