1.08374

L-Tryptophan

for biochemistry

• Sinónimos: L-Tryptophan, Trp
• Fórmula empírica (notación de Hill): C₁₁H₁₂N₂O₂
• Número de CAS: 73-22-3
• Peso molecular: 204.23
• Número MDL: MFCD00064340
• Código UNSPSC: 12352209
• Número índice de la CE: 200-795-6
• NACRES: NA.21

Propiedades

• Nivel de calidad: 100
• formulario: solid
• potencia: 16000 mg/kg LD₅₀, oral (Rat)
• pH: 5.5-7.0 (20 °C, 10 g/L in H₂O)
• mp: 290 °C (decomposition)
• solubilidad: 10 g/L
• densidad aparente: 400 kg/m³
• temp. de almacenamiento: 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)
• Clave InChI: QIVBCDIJIAJPQS-UHFFFAOYSA-N

Descripción

Aplicación

• 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).

Nota de análisis

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 %

Información de seguridad

• Código de clase de almacenamiento: 13 - Non Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 1
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable