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DL-Tryptophan
CAS NO:54-12-6
Molecular formula: C11H12N2O2
Molecular weight:204.23
Appearance: white to yellow white crystal or crystalline powder. recrystal in ethanol -water solution is gloss & colorless thin flaky 的 crystal . odorless or little smell, L-type is bitter；D-type is sweet. ph of 0.2% solution 5.5~7.0. Melting point 约295℃ ( decompose). . soluble in water (0.4%, 25℃) |
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