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L-Tryptophan
UpdateTime:2025/2/26
Product name
D-Tryptophan
Molecular formula
C11H12N2O2
CAS Number
153-94-6
Molecular weight
204.2
Appearance
White fine powder crystal
content
99%(min)
ph
5.5~7.0
chloride
(C1)
≤0.020%
Sulfate
(SO4)
≤0.020%
Ammonium
(NH4)
≤0.020%
Iron (Fe)
≤10ppm
Heavy metals
(pb)
≤10ppm
Arsenic
(AS2O3)
≤1ppm
Other amino acids
≤0.020%
Loss on drying
≤0.2%
Residue on ignition
≤0.1%
State of solution
≥98.0%
Specific Rotation
+29.4~ +32.8°(C=1 in H2O)
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