21957-65-3
21957-65-3 structure
- Name: L-Proline,1-[(4-methylphenyl)sulfonyl]-5-oxo-
- Chemical Name: 1-(4-methylphenyl)sulfonyl-5-oxopyrrolidine-2-carboxylic acid
- CAS Number: 21957-65-3
- Molecular Formula: C12H13NO5S
- Molecular Weight: 283.30000
- Create Date: 2017-03-25 18:54:43
- Modify Date: 2025-10-02 05:43:02
| Name | 1-(4-methylphenyl)sulfonyl-5-oxopyrrolidine-2-carboxylic acid |
|---|---|
| Synonyms |
5-oxo-1-(toluene-4-sulfonyl)-L-proline
proline,1-[(4-methylphenyl)sulfonyl]-5-oxo EINECS 244-680-9 5-Oxo-1-(toluol-4-sulfonyl)-L-prolin 1-(4'-methylbenzenesulfonyl)-5-oxopyrrolidine-2-carboxylic acid (L)-pTosGlp-OH (L)-N-p-toluenesulphonyl pyroglutamic acid |
| Density | 1.475g/cm3 |
|---|---|
| Boiling Point | 499ºC at 760mmHg |
| Molecular Formula | C12H13NO5S |
| Molecular Weight | 283.30000 |
| Flash Point | 255.6ºC |
| Exact Mass | 283.05100 |
| PSA | 100.13000 |
| LogP | 1.77800 |
| Vapour Pressure | 8.93E-11mmHg at 25°C |
| Index of Refraction | 1.613 |
| HS Code | 2933990090 |
|---|
|
~%
21957-65-3 |
| Literature: SOLVAY (Societe Anonyme) Patent: WO2009/80708 A1, 2009 ; Location in patent: Page/Page column 4-5 ; |
|
~76%
21957-65-3 |
| Literature: Srikanth; Kumar; Ghosh, Balaram; Jha, Tarun Bioorganic and Medicinal Chemistry, 2002 , vol. 10, # 7 p. 2119 - 2131 |
|
~%
21957-65-3 |
| Literature: Rudinger et al. Collection of Czechoslovak Chemical Communications, 1959 , vol. 24, p. 2013,2014,2016 |
|
~%
21957-65-3 |
| Literature: Rudinger et al. Collection of Czechoslovak Chemical Communications, 1959 , vol. 24, p. 2013,2014,2016 |
|
~%
21957-65-3 |
| Literature: Harington; Moggridge Journal of the Chemical Society, 1940 , p. 706,712 |
![2-[(4-methylphenyl)sulfonylamino]-5-morpholin-4-yl-5-oxo-pentanoic acid structure](https://image.chemsrc.com/caspic/200/6635-97-8.png)
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |