English
D-TRYPTOPHAN, 98.0% (HPLC) 100 G
Rp 12.417.000
biological source
synthetic
Quality Level
Assay
≥98.0%
form
powder or crystals
optical activity
[α]20/D +27±2°, c = 5% in H2O
impurities
≤0.002% heavy metals
loss
≤3% loss on drying
color
white
pH
6.8-7.2 (25 °C, 50 mg/mL in H2O)
solubility
H2O: 50 mg/mL at 25 °C, clear, almost colorless
