The most effective software for drawing molecules is ChemDoodle, particularly the online widget version, which includes atom tagging and numbering tools that auto-increment. Users have reported difficulties with atom numbering in ChemDoodle but have found it to be the best option available for chemical drawing. ACD Labs ChemSketch is also mentioned as a viable alternative, especially when combined with Photoshop for annotations. For any issues, ChemDoodle's support team is responsive and helpful.
PREREQUISITESChemistry students, researchers, and educators who need to create accurate molecular representations and enhance their visual presentations.