ACS USA Contact Customer Service Numbers

  1. Registration Service: +1 (800) 333-9511
  2. Call From Outside North America: (614) 447-3776
  3. General Inquiries: +1 (800) 227-5558
  4. Headquarters: 1155 Sixteenth Street, Washington, DC 20036, Northwestern United States
  5. Email About Registration At: service@acs.org
  6. Timing: Monday through Friday (except holidays) from 8:30 a.m. to 5:00 p.m. Eastern Time.




The American Chemical Society abbrevaited as ACS is a scientific society that supports scientific inquiry in the field of chemistry. It was initiated in 1876 by the association of 35 chemists at the University Building in the New York University. It is a publicly held, Federal Income Tax free nonprofit organization. It helps to improve the living standards of the people through the transforming power of chemistry. It is an authorized independent membership organization and has nearly 163,000 members at all degree levels and in all fields of chemical engineering, chemistry and various related fields.