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L-TRYPTOPHAN For Biochemistry
Used as a substrate in determination of tryptophanase.
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0620 | For Biochemistry | 99% | 73-22-3 | C11H12N2O2 | 204.23 | 2933.9990 | 60 Months |
Packings
| 5 g,25 g,500 g |
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 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
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Revision Date : 03-Aug-2013
Certificate of Analysis (COA's)
To download COA please enter the batch number below