广州伟伯科技有限公司
您的位置:首页 > 产品中心 > 73-32-5, L-异亮氨酸
产品搜索:

L-异亮氨酸

L-Isoleucine
产品编号:4058238
规格:EMPROVE® ESSENTIAL Ph Eur,USP
CAS NO:73-32-5
包装规格:1 kg
产品类别:进口试剂
品牌:SAFC
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
40582381 kg32590
产品别名

73-32-5

L-异亮氨酸

L-Isoleucine

iso-Leucine, Ile

基本信息
Molecular weight
131.17
MDL number
MFCD00064222
EC Index Number【EC索引号】
200-798-2
General description【一般描述】
EMPROVE® ESSENTIAL Ph Eur,USP
Analysis Note【分析说明】
Assay (perchloric acid titration, calculated on dried substance)98.5 - 101.0 %
Identity (IR-spectrum)passes test
Appearancewhite to almost white, crystalline powder or flakes
Appearance of solution (50 g/l, hydrochloric acid 1 mol/l)clear and not more intense in color than reference solution BY₆
Spec. rotation (α 20/D, 40 g/l, Hydrochloric acid 250 g/l, calc. on dried substance)+40.0 to +43.0
Spec. rotation (α 25/D, 40 g/l, hydrochloric acid 6 mol/l, calc. on dried substance)+38.9 to +41.8
pH (10 g/l, CO₂-free water)5.5 - 7.0
Chloride (Cl)≤ 200 ppm
Sulfate (SO₄)≤ 300 ppm
Heavy metals (as Pb)≤ 10 ppm
Fe (Iron)≤ 10 ppm
Fe (Iron) (ICP)≤ 10 ppm
Mn (Manganese)≤ 25 ppm
Related substances (TLC)≤ 0.5 %
Related compounds (HPLC) (Leucine)≤ 0.5 %
Related compounds (HPLC) (any unspecified impurity)≤ 0.2 %
Related compounds (HPLC) (total unspecified impurities)≤ 1.0 %
Ninhydrin-positive substances (LC)(impurity A (570 nm))≤ 0.3 %
Ninhydrin-positive substances (LC)(impurity C (570 nm))≤ 0.3 %
Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity)≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
Ninhydrin-positive substances (LC)(total impurities)≤ 1.0 %
Methanol (HS-GC)≤ 3000 ppm
Other residual solvents (ICH Q3C)excluded by manufacturing process
Sulfated ash (600 °C)≤ 0.1 %
Loss on drying (105 °C; 3 h)≤ 0.3 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph. Eur., USP.
Legal Information【法律信息】
Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
产品性质
agency
Ph. Eur.
USP
Quality Level【质量水平】
500
product line【产品线】
EMPROVE® ESSENTIAL
pH【pH值(酸碱度)】
5.5-6.5 (20 ℃, 40 g/L in H2O)
mp
279-280 ℃ (decomposition)
solubility【溶解性】
40 g/L
bulk density【堆积密度】
470 kg/m3
storage temp.【储存温度】
2-30℃
InChI
1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1
InChI key
AGPKZVBTJJNPAG-WHFBIAKZSA-N
安全信息
Storage Class Code【储存分类代码】
13 - Non Combustible Solids
WGK
WGK 1
广州伟伯科技有限公司 版权所有 CopyRight ©2006-2024, All Rights Reserved
工信部备案号:粤ICP备08114744号   Page Run Time: 0.0096