| 常用名 | Tos-PEG4-t-butyl ester | CAS号 | 217817-01-1 |
|---|---|---|---|
| 价格 | 纯度 | 97.0% | |
| 备货期 | 10天 | 库存 | 现货 |
| 产品详情(用途,包装等)
用途: Tos-PEG4-t-butyl ester is a PEG derivative containing a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The tosyl group is a very good leaving group for nucleophilic substitution reactions. 物理化学性质: CAS号:217817-01-1 常用中文名:Tos-PEG4-t-butyl ester 常用英文名:Tos-PEG4-Boc 分子式:C20H32O8S 分子量:432.528 密度:1.2±0.1 g/cm3 沸点:528.5±45.0 °C at 760 mmHg 熔点:N/A 闪点:273.4±28.7 °C 储存条件:2-8℃,干燥 |