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L-Tryptophan

品牌
Millipore
CAS
73-22-3
货号
1.08374
规格纯度
for biochemistry
参考价格
389.1 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

分析说明

Assay (perchloric acid titration, calculated on dried substance): 99.0 - 101.0 %
Identity (IR-spectrum): passes test
Identity (specific rotation): passes test
Spec. rotation (α 20/D, 10 g/l, water, calc. on dried substance): -30.0 to -33.0
Appearance: white to almost white, crystalline or amorphous powder
Appearance of solution (10 g/l, Hydrochloric acid 1 mol/l): clear and colorless
Chloride (Cl): ≤ 200 ppm
Sulfate (SO₄): ≤ 300 ppm
Fe (Iron): ≤ 20 ppm
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): ≤ 0.5 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

基本信息

经验(实验)分子式C11H12N2O2
分子量204.23
MDL编号MFCD00064340
EC索引号200-795-6

产品性质

质量水平100
形式solid
效能16000 mg/kg LD50, oral (Rat)
pH值(酸碱度)5.5-7.0 (20 ℃, 10 g/L in H2O)
mp290 ℃ (decomposition)
溶解性 10 g/L
堆积密度400 kg/m3
储存温度2-30℃
InChI1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)
InChI keyQIVBCDIJIAJPQS-UHFFFAOYSA-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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