| Bioactivity | L-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1]. |
| Name | L-Tryptophan |
| CAS | 73-22-3 |
| Formula | C11H12N2O2 |
| Molar Mass | 204.23 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, protect from light, stored under nitrogen *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen) |