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L-Glutamine

L-谷氨酰胺

品牌
SAFC
CAS
56-85-9
货号
1.00286
规格纯度
EMPROVE® ESSENTIAL DAB,USP
参考价格
11127.1 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

一般描述

EMPROVE® ESSENTIAL DAB,USP

生化/生理作用

L-谷氨酰胺是一种必需氨基酸,作为细胞培养过程中主要的能量来源而成为培养基的重要组分。L-谷氨酰胺在干粉及冷冻溶液的状态下极为稳定。然而,L-谷氨酰胺在液体培养基或储存溶液中均会相对较快的降解。最佳的细胞表现通常需要在使用前向培养基中添加L-谷氨酰胺补充剂。

分析说明

Assay (perchloric acid titration, calculated on dried substance)99.0 - 101.0 %Identity (IR-spectrum)passes testAppearancewhite to almost white, fine powderAppearance of solution (25 g/l; CO₂-free water)clear and colorlessSpec. rotation (α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance)+31.5 to +33.0Spec. rotation (α 20/D, 40 g/l, water, calc. on dried substance)+6.3 to +7.3pH (25 g/l; CO₂-free water)4.0 - 6.0Chloride (Cl)≤ 200 ppmSulfate (SO₄)≤ 200 ppmHeavy metals (as Pb)≤ 10 ppmCu (Copper)≤ 25 ppmFe (Iron)≤ 10 ppmFe (Iron) (ICP)≤ 10 ppmMn (Manganese)≤ 25 ppmNi (Nickel)≤ 2 ppmZn (Zinc)≤ 130 ppmNH₄ (Ammonium)≤ 0.1 %Ninhydrin - positive substances (TLC)≤ 0.5 %Residual solvents (ICH Q3C)excluded by manufacturing processSulfated ash (600 °C)≤ 0.1 %Loss on drying (105 °C; 3 h)≤ 0.3 %Bacterial endotoxins≤ 2.0 I.U./gElemental 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 DAB, USP

法律信息

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

线性分子式H2NCOCH2CH2CH(NH2)CO2H
分子量146.14
Beilstein1723797
MDL编号MFCD00008044
EC索引号200-292-1

产品性质

质量水平500
agencyDAB
USP
产品线EMPROVE® ESSENTIAL
效能7500 mg/kg LD50, oral (Rat)
pH值(酸碱度)4.0-6.0 (20 ℃, 25 g/L in H2O)
mp185 ℃ (dec.) (lit.)
溶解性 100 g/L
密度1.47 g/cm3 at 20 ℃
堆积密度640 kg/m3
储存温度2-30℃
SMILES stringN[C@@H](CCC(N)=O)C(O)=O
InChI1S/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 keyZDXPYRJPNDTMRX-VKHMYHEASA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable

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