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L-异亮氨酸
L-Isoleucine
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4058238 | 1 kg | 32590 |
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 | Appearance | white 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 |
