In 2015 the American Chemical Society (ACS) started their cannabis subdivision aptly called the Cannabis Chemistry Subdivision (CANN). Since that time, the CANN has been one of the world’s most trusted sources for up-to-date cannabis research. Covering topics ranging from cannabinoid pharmacokinetics, testing and analytical methods, dosage, formulation, risk assessment and many others. The regular symposia given by the society are highly attended professional gatherings where cannabis scientists from around the world are given the opportunity to showcase the research that their labs have been conducting. Here we will cover the first 4 of the 16 topics covered in the Fall 2020 symposia.