Listed to the right are some examples of how to cite your sources using ACS. Some of this is from the Author Guidelines for Journal of Medicinal Chemistry, section 2.2.8, with some based on chapter 14 of the ACS Style Guide.
Off-campus and on-campus/wifi access to most of the databases, ebooks, and journals licensed by the Library is restricted to UC San Diego students, faculty and staff.
(1) Mitachi, K.; Aleiwi, B. A.; Schneider, C. M.; Siricilla, S.; Kurosu, M. Stereocontrolled Total Synthesis of Muraymycin D1 Having a Dual Mode of Action against Mycobacterium tuberculosis. J. Am. Chem. Soc. 2016, 138, 12975-12980. DOI: 10.1021/jacs.6b07395
(2) Ruberte, A. C.; Sanmartin, C.; Aydillo, C.; Sharma, A. K.; Plano, D. Development and Therapeutic Potential of Selenazo Compounds. J. Med. Chem. [Just Accepted]. Published Online October 22, 2019. DOI: 10.1021/acs.jmedchem.9b01152
(3) Döhrmann, S.; Cole, J. N.; Nizet, V., Conquering Neutrophils. PLoS Pathog. [Online] 2016, 12, e1005682. DOI: 10.1371/journal.ppat.1005682
For citing websites, you usually want to include the organization, name of the website, the URL, and the date you accessed the site. If you're citing predicted or calculated data from SciFinder (not experimental), you also need to cite the company that provided them the data.
(4) Caffeine. The Merck Index. Royal Society of Chemistry. http://www.rsc.org/merck-index (accessed October 20, 2019).
(5) Caffeine. Combined Chemical Dictionary. Taylor and Francis. http://ccd.chemnetbase.com/ (accessed October 20 2019).
(6) Caffeine. SciFinder. CAS. https://scifinder.cas.org (accessed October 20, 2019). Calculated using Advanced Chemistry Development software, version 11.02; ACD/Labs 1994-2019.