TRYPTOPHANE
TRYPTOPHANE
| Article No. | 555408 |
| Grade | For Biochemistry |
| Purity | 99% |
| CAS No. | 73-22-3 |
| Molecular Formula | C11H12N2O2 |
| Molecular Weight | 204.23 |
| H.S. Code | 2933.9990 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20°C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 5.5 – 7.0 |
| Melting point/ Freezing point [°C] | 280 – 285 °C |
| Solubility in water [% weight] | Partially soluble in water |
Specifications
| Appearance | White to yellowish-white crystalline powder |
| Assay (by HClO4 titration) | Min 99% |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.01% |
| Foreign amino acids | Max 0.3% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
| packings | 500 gm |
