Norcarfentanil (92per cent) Price Not Available 25mg Norcarfentanil (92per cent) Supplier Page Catalog Number R011606 Molecular Formula C16H22N2O3 CAS# 72996-78-2 Purity ≥90% Inchi InChI=1S/C16H22N2O3/c1-3-14(19)18(13-7-5-4-6-8-13)16(15(20)21-2)9-11-17-12-10-16/h4-8,17H,3,9-12H2,1-2H3 Inchi Key HFNFODVRYCEIQL-UHFFFAOYSA-N SMILES CCC(=O)N(C1=CC=CC=C1)C2(CCNCC2)C(=O)OC Size 25mg Supplier Page https://www.musechem.com/product/R011606.html