EN

你现在在这里! > 首页 > 产品中心 > 氨基酸总表 > L-缬氨酸

L-缬氨酸

分子式: C5H11NO2 

分子量: 117.15 

CAS编号: 72-18-4

L-缬氨酸CP2020EP11USP2023USP24FCC11AJI92
含量≥98.5%98.5-101.0%98.5-101.5%98.5-101.5%98.5~101.5%99.0-100.5%
酸度5.5-6.5/5.5-7.05.5-7.05.5~75.5-6.5
粘合剂/////
卵磷脂/////
比旋度[a]D20+26.6°-+28.8°+26.5°-+29.0°//+26.7° ~+29°+27.6°-+29.0°
比旋度[a]D25//+26.6°-+28.8°+26.6°-+28.8°+26.6° ~+28.9°/
松密度/////
紧密度/////
透光≥98.0%////≥98.0%
溶液外观/clear & colorless ≤BY6///
氯化物≤0.02%≤0.02%≤0.05%≤0.05%/≤0.02%
铵盐≤0.02%≤0.02%///≤0.02%
硫酸盐≤0.03%≤0.03%≤0.03%≤0.03%/≤0.02%
铁盐≤10PPM≤10PPM≤30PPM≤30PPM/≤10PPM
重金属≤10PPM//≤15PPM/≤10PPM
砷盐≤1PPM//≤1.5PPM/≤1PPM
////≤ 5 ppm
/////
/////
其他氨基酸≤0.5%/Individual impurities≤0.5%
Total impurities≤2.0%
//conforms
茚三酮活性物质/Impurity B at 570 nm≤0.4%  
Each impurity ≤0.2%
Total ≤1.0%
////
不溶性杂质////≤ 50 ppm
目数/////
干燥失重≤0.20%≤0.50%≤0.30%≤0.30%≤ 0.3%≤0.20%
炽灼残渣≤0.10%≤0.10%≤0.10%≤0.10%≤ 0.1%≤0.10%
有机挥发物///conform//
内毒素<20EU/g<20EU/g<20EU/g///
总菌≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g
霉菌&酵母菌≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g




L-缬氨酸高纯企标速溶造粒
含量≥98.5%≥95.0%≥95%
酸度5.5-6.5//
粘合剂//≤5%
卵磷脂/0.5~1.0%/
比旋度[a]D20+26.6°-+28.8°//
比旋度[a]D25///
松密度/≥0.30g/ml≥0.45g/ml
紧密度/≥0.50g/ml≥0.55g/ml
透光≥98.0%//
溶液外观///
氯化物≤0.02%//
铵盐///
硫酸盐≤0.03%//
铁盐≤0.001%//
重金属≤0.001%≤10ppm≤10ppm
砷盐/≤1ppm≤1ppm
/≤5ppm≤5ppm
/≤1ppm/
/≤0.3ppm/
其他氨基酸Alanine≤0.4%
Phenylalanine≤0.2%
Isoleucine≤0.5%
Leucine≤0.5%
Total impurities≤0.5%
//
茚三酮活性物质///
不溶性杂质///
目数/≥95% through 80 mesh≥90% through 20 mesh
≤30% through 80 mesh
干燥失重≤0.2%≤1.0%≤2.0%
炽灼残渣≤ 0.1%≤0.50%≤0.5%
有机挥发物///
内毒素///
总菌≤ 1000 CFU/g≤ 1000 CFU/g≤ 1000 CFU/g
霉菌&酵母菌≤ 100 CFU/g≤ 100 CFU/g≤ 100 CFU/g