L-Tetrahydrofolic Acid (>70per cent when packaged) Price Not Available 5mg L-Tetrahydrofolic Acid (>70per cent when packaged) Supplier Page Catalog Number R048352 Molecular Formula C19H23N7O6 CAS# 135-16-0 Purity ≥90% Inchi InChI=1S/C19H23N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,11-12,21,23H,5-8H2,(H,24,29)(H,27,28)(H,31,32)(H4,20,22,25,26,30)/t11?,12-/m0/s1 Inchi Key MSTNYGQPCMXVAQ-KIYNQFGBSA-N SMILES C1C(NC2=C(N1)NC(=NC2=O)N)CNC3=CC=C(C=C3)C(=O)NC(CCC(=O)O)C(=O)O Size 5mg Supplier Page https://www.musechem.com/product/R048352.html