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L -谷氨酰胺
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 |
| 4058245 | 25 G | 534 | |||
| 4058245 | 100 G | 763 | |||
| 4058245 | 1 KG | 4960 | |||
| 4058245 | 10 KG | 22590 |
产品别名
56-85-9
L-Glutamic acid-5-amide, Gln
Levoglutamide
(S)-2,5-Diamino-5-oxopentanoic acid
左谷酰胺
(S)-2,5-二氨基-5-氧代戊酸
结构式
基本信息
| Linear Formula【线性分子式】 | H2NCOCH2CH2CH(NH2)CO2H |
| Molecular weight | 146.14 |
| Beilstein | 1723797 |
| MDL number | MFCD00008044 |
| EC Index Number【EC索引号】 | 200-292-1 |
| Biochem/physiol Actions【生化/生理作用】 | |
| Analysis Note【分析说明】 | Assay (perchloric acid titration, calculated on dried substance): 99.0 - 101.0 % Identity (IR-spectrum): passes test Appearance: white to almost white, fine powder Appearance of solution (25 g/l; CO₂-free water): clear and colorless Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance): +31,5 to +33,0 Chloride (Cl): ≤ 200 ppm Sulfate (SO₄): ≤ 200 ppm Heavy metals (as Pb): ≤ 10 ppm As (Arsenic): ≤ 5 ppm Ca (Calcium): ≤ 10 ppm Co (Cobalt): ≤ 5 ppm Fe (Iron): ≤ 5 ppm K (Potassium): ≤ 5 ppm Mg (Magnesium): ≤ 5 ppm Na (Sodium): ≤ 50 ppm Zn (Zinc): ≤ 5 ppm Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity): ≤ 0.3 % Ninhydrin-positive substances (LC) (ammonium (570 nm)): ≤ 0.1 % Ninhydrin-positive substances (LC)(total impurities): ≤ 0.5 % Loss on drying (105 °C; 3 h): ≤ 0.3 % |
产品性质
| Quality Level【质量水平】 | 100 |
| form【形式】 | solid |
| potency【效能】 | 7500 mg/kg LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 4.0-6.0 (20 ℃, 25 g/L in H2O) |
| mp | 185 ℃ (dec.) (lit.) |
| solubility【溶解性】 | 100 g/L |
| density | 1.47 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 640 kg/m3 |
| storage temp.【储存温度】 | 2-30℃ |
| SMILES string | N[C@@H](CCC(N)=O)C(O)=O |
| InChI | 1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m0/s1 |
| InChI key | ZDXPYRJPNDTMRX-VKHMYHEASA-N |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
