L-TRYPTOPHAN 99% FOR BIOCHEMISTRY
Used as a substrate in determination of tryptophanase. (S)-2-Amino-3-(3-indolyl)propionic acid, L-a-Amino-3-indolepropionic acid
| Product Code | B-02793 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | For Biochemistry | CAS No | 73-22-3 |
| Purity | 99 % | Molecular Weight | 204.23 |
| H.S.Code | 2933.99000 | Shelf Life | 60 Months |
| Molecular Formula | C11H12N2O2 |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Solubility in water [% weight] | Partially soluble in water | Melting point/ Freezing point [°C] | 280 - 285 °C |
| pH Value | 5.5 - 7.0 | Odour | Odorless |
Packaging
Specification
| Appearance | 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% |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning