L-Tryptophan
(L-2-Amino-3-Indole Propionic Acid)
USBioAnalyzed
Molecular Formula:
C11H12N2O2
Molecular Weight:
204.23
PRODUCT SPECIFICATIONS
Form: White to off-white crystalline powder
Assay: 98.5 to 101.5% C11H12N2O2 (dry basis)
Identity: By IR
pH (1%, H2O): 5.5 to 7.0
Chromatography (TLC): Homogeneous
-29.4° to -32.8° (c=1 in H2O)
Loss on Drying: ≤ 0.3%
Residue on Ignition: ≤ 0.1%
Heavy Metals (Pb): ≤ 0.0015%
Chloride (Cl): ≤ 0.05%
Iron (Fe): ≤ 0.003%
Sulfate (SO4): ≤ 0.03%
O.V.I.: Meets the requirements
CAS:
73-22-3
