Mac users interested in Chemdraw ultra 11.0 generally download:
ChemDraw is the industry leader of chemical drawing programs. ChemDraw includes stereochemistry recognition and display, multi-page documents, ChemNMR with spectral display, and Name=Struct for instant structure generation.
AutoNom creates IUPAC names from structures. ChemDraw for Excel brings chemistry to Excel. The Online menu links to ChemACX.Com for easy chemical sourcing and ordering.
ChemDraw Professional is a drawing tool for chemists and biologists that allows you to create publication-ready and scientifically intelligent drawings. It can accurately handle and represent organic, organometallic, polymeric, and biopolymer materials (including amino acids, peptides and DNA and RNA sequences) and to deal with advanced forms of stereochemistry.