1.08374

L-Tryptophan

for biochemistry

• 别名: L-Tryptophan, Trp
• 经验公式（希尔记法）: C₁₁H₁₂N₂O₂
• CAS号: 73-22-3
• 分子量: 204.23
• MDL號碼: MFCD00064340
• 分類程式碼代碼: 12352209
• 酶委員會索引編號: 200-795-6
• NACRES: NA.21

属性

• 品質等級: 100
• 形狀: solid
• 效力: 16000 mg/kg LD₅₀, oral (Rat)
• pH值: 5.5-7.0 (20 °C, 10 g/L in H₂O)
• mp: 290 °C (decomposition)
• 溶解度: 10 g/L
• 體積密度: 400 kg/m³
• 儲存溫度: 2-30°C
• InChI: 1S/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 密鑰: QIVBCDIJIAJPQS-UHFFFAOYSA-N

说明

應用

• Biotechnological production of L-Tryptophan: The study by Nefedova et al. explores the molecular mechanisms in metal oxide nanoparticle interactions with L-Tryptophan, highlighting its significance in nanoparticle synthesis, which is crucial for biotechnological applications in pharmaceutical manufacturing and life sciences (Nefedova et al., 2024).

分析報告

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 %

安全信息

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable