白色结晶粉末。熔点: 81-84℃ [α]20D -25 ° (C=1, AcOH)
Items | Standard |
Appearance | White fine crystals |
IR Spectrum | In accordance with structure |
Specific Rotation [20/D] (C=2 in Acetic Acid) | -24.0 to -26.0 º |
Melting Point (℃) | 79 to 83℃ |
Loss on Drying | Not more than 0.50% |
Related Impurity | Not more than 0.1%, Boc-Ala-Ala-OH |
D-Enantiomer | Not more than 0.5% |
Other Amino Acids | Not more than 0.3% |
Purity (PHLC) | Not less than 99.0% |
外 观 白色结晶粉末
杂 质 ≤0.5%
含 量 ≥98.5%
熔 点 81~83℃
旋 光 -22.0~-24.0°(C=1,AcOH)
水 分 ≤0.5%
危险品标志 Xi
安全说明 24/25
WGK Germany 3
用于生化试剂,多肽合成
密封保存