D,L-Tryptophan-13C2,15N Price Not Available 25mg D,L-Tryptophan-13C2,15N Supplier Page Catalog Number R011118 Molecular Formula C11H12N2O2 CAS# 1357002-80-2 Purity ≥98% Inchi InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/i5+1,9+1,12+1 Inchi Key QIVBCDIJIAJPQS-NCZFIEHRSA-N SMILES C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N Size 25mg Supplier Page https://www.musechem.com/product/R011118.html