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重要规格表
CAS号 EC号 Hill配方 摩尔质量 级别值 73-22-3 200-795-6 C₁₁H₁₂N₂O₂ 204.23 g/mol Ph Eur,BP,USP 描述 产品目录编号 108396 同义词 Trp 产品信息 CAS号 73-22-3 EC号 200-795-6 级别 Ph Eur,BP,USP Hill配方 C₁₁H₁₂N₂O₂ Molar Mass 204.23 g/mol HS代码 2933 99 80 结构配方图像 理化信息 熔点 290 °C (分解) pH值 5.5 - 7.0 (10 g/l, H₂O, 20 °C) 容积密度 400 kg/m³ 溶解度 10 g/l (20 °C) 毒性学信息 LD 50口服 LD50 Rat 16000 mg/kg GHS安全信息 RTECS YN6130000 储存类别 10 - 13 其它液体及固体 WGK WGK 1 轻度的水危害 一次性 3
反应性相对较低的有机物必须被收集在第A类, 如果被卤化则在第B类, 如果为固体残留物则归在第C类.规格 规格 Assay (perchloric acid titration, calculated on dried substance) 98.5 - 101.0 % Identity (IR-spectrum) passes test Appearance white to almost white, crystalline or amorphous powder Appearance of solution (10 g/l, Hydrochloric acid 1 mol/l) clear and not more intense in color than reference solution BY₆ pH (10 g/l, CO₂-free water) 5.5 - 7.0 Spec. rotation (α 20/D, 10 g/l, water, calc. on dried substance) -30.0 to -33.0 Spec. rotation (α 25/D, 10 g/l, water, calc. on dried substance) -29.4 to -32.8 Chloride (Cl) ≤ 200 ppm Sulphate (SO₄) ≤ 300 ppm Heavy metals (as Pb) ≤ 10 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 % Related substances (HPLC) passes test Impurity A ((1,1‘-ethylidenebistryptophan) Peak-E) (acc. to Ph. Eur.) ≤ 10 ppm Sum of impurities with RT < tryptophan-peak (acc. to Ph. Eur.) ≤ 100 ppm Sum of impurities with RT > tryptophan-peak and up to1,8 times the RT ofacetyltryptophan (acc. to Ph. Eur.) ≤ 300 ppm Impurity A ((1,1‘-ethylidenebistryptophan) Peak-E) (acc. to USP) ≤ 10 ppm Sum of impurities with RT < tryptophan-peak (acc. to USP) ≤ 100 ppm Sum of impurities with RT > tryptophan-peak, without tryptophan-peak andpeak of „Related Compound B“ (N-acetyltryptophan) (acc. to USP) ≤ 300 ppm Residual solvents (ICH (Q3C)) excluded by manufacturing process Sulfated ash (600 °C) ≤ 0.1 % Loss on drying (105 °C; 3 h) ≤ 0.3 % Bacterial endotoxins ≤ 10 I.U./g Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000
are not likely to be present.Corresponds to Ph. Eur., BP, USP.
上一件merck millipore产品：merck millipore,默克密理博,111597,Parteck SI 400 LEX （山梨醇）
下一件merck millipore产品：merck millipore,默克密理博,CDUF002LT,Prep/Scale 卷式 TFF-2 膜包 PLTK 30 kDa 0.23 m2
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