白色片状结晶;溶于乙酸乙酯和乙醚,不溶于石油醚;mp为135-137℃;比旋光度[α]20D-18.3°(0.5-2.0 mg/ml,DMF)。
熔点136 °C (dec.)(lit.) 比旋光度-20 º (c=1, methanol) 折射率-17.5 ° (C=2, DMF)
Items | Standard |
Appearance | White powder |
Specific Rotation [20/D] (C=2 in DMF) | -19 to -21 º |
IR Spectrum | In accordance with structure |
Related Substance (TLC) | One spot |
Melting Point (℃) | 136 to 139 ℃ |
Loss on Drying | Not more than 0.50% |
Related Ipurity (Dipeptide) | Not more than 0.1% |
Related Ipurity (H-Trp-OH) | Not more than 0.1% |
Purity (PHLC) | Not less than 99.0% |
安全说明 22-24/25 WGK Germany 3
用于多肽合成,用作氨基酸保护单体
密封保存 储存条件−20°C