112488
N-Acetyl-DL-tryptophan
suitable for biopharmaceutical production EMPROVE® bio Ph Eur,BP
| Product information | |||
|---|---|---|---|
| Grade | Ph Eur,BP | ||
| Formula Hill | C13H14N2O3 | ||
| HS Code | 2933 99 80 | ||
| EC number | 201-739-3 | ||
| Molar mass | 246.26 g/mol | ||
| CAS number | 87-32-1 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Solubility | 0.51 g/l (20 °C) | ||
| Melting point | 205 - 206 °C decomposes | ||
| Molar mass | 246.26 g/mol | ||
| pH value | (0.5 g/l, H2O, 20 °C) | ||
| Safety information | |||
|---|---|---|---|
| Storage class | 10 - 13 Other liquids and solids | ||
| WGK | NWG not water endangering | ||
| Disposal |
3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
||
| Specifications | |
|---|---|
| Assay (alkalimetric, calculated on dried substance) | 99.0 - 101.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, crystalline powder or colorless crystals |
| Appearance of solution (10 g/l; sodium hydroxide solution 1 mol/l) | clear and not more intense in color than reference solution Y7 or GY7 |
| Spec. rotation (α 20/D; 100 g/l; sodium hydroxide solution 1 mol/l) | -0.1° to +0.1° |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.001 % |
| NH4 (Ammonium) | ≤ 0.02 % |
| Residual solvents (Ph. Eur./ICH) | excluded by manufacturing process |
| Related substances (HPLC) - largest single impurity | ≤ 0.25 % |
| - Sum of all impurities | ≤ 0.5 % |
| Sulfated ash (600 °C) | ≤ 0.1 % |
| Loss on drying (105 °C) | ≤ 0.5 % |
| Bacterial endotoxins | ≤ 50 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 | |
