Thermo Fisher, J62508.09, L-Tryptophan, Cell Culture Reagent

L-Tryptophan, Cell Culture Reagent This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals. CAS: 73-22-3
IUPAC Name: (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
Molecular Formula: C11H12N2O2
InChI Key: QIVBCDIJIAJPQS-VIFPVBQESA-N
SMILES: N[C@@H](CC1=CNC2=CC=CC=C12)C(O)=O
Optical Rotation: -32.0 to -30.5 deg ( c=1, water)
Appearance (Color): White to off-white
Form: powder
Assay (unspecified): Endotoxin < 6.0 EU/g
Assay (Titration): 99.0 to 101.0