21753-19-5
21753-19-5 structure
- Name: L-Alanine,3-amino-N-[(4-methylphenyl)sulfonyl]-
- Chemical Name: Nα-Tosyl-L-α,β-diaminopropionic Acid
- CAS Number: 21753-19-5
- Molecular Formula: C10H14N2O4S
- Molecular Weight: 258.29400
- Create Date: 2017-01-12 14:39:38
- Modify Date: 2025-09-23 15:13:01
| Name | Nα-Tosyl-L-α,β-diaminopropionic Acid |
|---|---|
| Synonyms | 3-amino-2-[(4-methylphenyl)sulfonylamino]propanoic acid |
| Density | 1.373g/cm3 |
|---|---|
| Boiling Point | 469.7ºC at 760 mmHg |
| Molecular Formula | C10H14N2O4S |
| Molecular Weight | 258.29400 |
| Flash Point | 237.9ºC |
| Exact Mass | 258.06700 |
| PSA | 117.87000 |
| LogP | 1.85720 |
| Vapour Pressure | 1.26E-09mmHg at 25°C |
| Index of Refraction | 1.584 |
| HS Code | 2935009090 |
|---|
|
~85%
21753-19-5 |
| Literature: Gani, David; Young, Douglas W.; Carr, David M.; Poyser, J. Philip; Sadler, Ian H. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 11 p. 2811 - 2814 |
|
~%
21753-19-5 |
| Literature: Cameron, James H.; Clarke, Catherine A.; Harvey, Heather B. Journal of the Chemical Society - Dalton Transactions, 1996 , # 8 p. 1513 - 1518 |
| Precursor 2 | |
|---|---|
| DownStream 3 | |
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |