Butyryl fentanyl (hydrochloride) Price Not Available 25mg Butyryl fentanyl (hydrochloride) Supplier Page Catalog Number R064893 Molecular Formula C₂₃H₃₁ClN₂O CAS# 1443-52-3 Purity ≥90% Inchi InChI=1S/C23H30N2O.ClH/c1-2-9-23(26)25(21-12-7-4-8-13-21)22-15-18-24(19-16-22)17-14-20-10-5-3-6-11-20;/h3-8,10-13,22H,2,9,14-19H2,1H3;1H Inchi Key OHCXSXCINRZXIB-UHFFFAOYSA-N SMILES CCCC(=O)N(C1CCN(CC1)CCC2=CC=CC=C2)C3=CC=CC=C3.Cl Size 25mg Supplier Page https://www.musechem.com/product/R064893.html