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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 |
| 4058237 | 25 G | 652 | |||
| 4058237 | 100 G | 2280 | |||
| 4058237 | 500 G | 3990 |
产品别名
73-32-5
L-Isoleucine
iso-Leucine, Ile
基本信息
| Empirical Formula【经验(实验)分子式】 | C6H13NO2 |
| Molecular weight | 131.17 |
| MDL number | MFCD00064222 |
| EC Index Number【EC索引号】 | 200-798-2 |
| Analysis Note【分析说明】 | Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 % Identity (IR-spectrum): passes test Appearance: white to almost white, crystalline powder or flakes Appearance of solution (1 mol/l, hydrochloric acid 1 mol/l): clear and colorless Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +36.2 to +37.2 UV-Absorption (260 nm, 1 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.10 UV-Absorption (280 nm, 1 mol/l, 1 cm, hydrochloric acid 1 mol/l): ≤ 0.10 Chloride (Cl): ≤ 0.02 % Sulfate (SO₄): ≤ 0.01 % Heavy metals (as Pb): ≤ 0.001 % As (Arsenic): ≤ 0.0005 % Ca (Calcium): ≤ 0.001 % Co (Cobalt): ≤ 0.0005 % Fe (Iron): ≤ 0.0005 % K (Potassium): ≤ 0.0005 % Mg (Magnesium): ≤ 0.0005 % Na (Sodium): ≤ 0.005 % NH₄ (Ammonium): ≤ 0.01 % Zn (Zinc): ≤ 0.0005 % Foreign amino acids: ≤ 0.5 % Other ninhydrine positive substances: ≤ 0.1 % Loss on drying (105 °C; 3 h): ≤ 0.3 % |
产品性质
| Quality Level【质量水平】 | 100 |
| form【形式】 | solid |
| 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 |
