Welcome to Amerian Chemical Society
The Membership Join/Renew Application and ACS Institute sites will undergo scheduled maintenance between 9:00PM through 12:00AM EST/US (UTC-5) on February 20.
Please return after the scheduled maintenance window to retry your request.
We apologize for any inconvenience and thank you for your patience.
The annual report is now available and includes a CEO message, highlights of ACS achievements in the past year and a financial summary.
More content with more fun and learning! The new Middle School Chemistry website is here!