L-缬氨酸

品名： L-缬氨酸 ( L-Valine )

分 子 式： C5H11NO2 

分 子 量： 117.15 

CAS   号 72-18-4

L-缬氨酸CP2015EP8AJI92USP24USP38高纯企标

含量≥98.5%98.5-101.0%99.0-100.5%98.5-101.5%98.5-101.5%≥98.5%

酸度5.5-6.5/5.5-6.55.5-7.05.5-7.0/

比旋度[a]D20+26.6°-+28.8°+26.5°-+29.0°+27.6°-+29.0°//+26.6°-+28.8°

比旋度[a]D25///+26.6°-+28.8°+26.6°-+28.8°/

透光≥98.0%clear & colorless ≤BY6≥98.0%//≥98.0%

氯化物≤0.02%≤0.02%≤0.02%≤0.05%≤0.05%/

铵盐≤0.02%≤0.02%≤0.02%//

硫酸盐≤0.03%≤0.03%≤0.02%≤0.03%≤0.03%/

铁盐≤10PPM≤10PPM≤10PPM≤30PPM≤30PPM/

重金属≤10PPM≤10PPM≤10PPM≤15PPM≤15PPM/

砷盐≤1PPM/≤1PPM///

其他氨基酸≤0.5%/conforms/individual impurities≤0.5% total impurities≤2.0%individual impurities≤0.2% total impurities≤1.0%

茚三酮活性物质/conform////

干燥失重≤0.20%≤0.50%≤0.20%≤0.30%≤0.30%≤0.07%

炽灼残渣≤0.10%≤0.10%≤0.10%≤0.10%≤0.10%/

有机挥发物///conform//

内毒素<20EU/g/////