L-Valine
Molecular Structure:
MDL:
MFCD00064220
Molecular Formula:
C5H11NO2;(CH3)2CHCH(NH2)CO2H
Molecular Weight:
117.15
Alias:
L-2-氨基-3-甲基丁酸
(S)-α-Aminoisovaleric acid
L-2-Amino-3-methylbutanoic acid
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
L-Valine |
99% |
500g |
RMB 429 |
现货 |
L-Valine |
99% |
100g |
RMB 99 |
现货 |
L-Valine |
99% |
25g |
RMB 66 |
现货 |
L-Valine |
99% |
5g |
RMB 33 |
现货 |
Character:
白色结晶体或结晶粉末。无气味。有特殊味。能升华。溶于水、无机酸,几乎不溶于冷乙醇、乙醚、氯仿和丙酮。水中溶解度:85 g/l (20°C),
密度:1.230
熔点:315℃(封管)
Quality Standard:
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0%
干燥失重Loss on drying <0.2 %
重金属Heavy metals (as Pb) <10 ppm
硫酸盐灰分Sulfated ash <0.1 %
比旋度Specific rotation [a]20/D +27° - +29° (c=8, 6 N HCl)
痕量分析Trace analysis :
Cl < 200 ppm
SO4 < 300 ppm
NH4 < 200 ppm
Fe < 10 ppm
其它氨基酸Foreign amino acids <0.5 %
溶解性Appearance of solution (5% 溶解在10% HCl) 无色透明
Storage:
密封阴凉保存。
用途 配制组织培养基。