Registration & Pricing
Register early to save big and claim your spot at one of the year’s biggest chemistry events. ACS members save up to $400 with the Premium package—join or upgrade during registration to unlock your discount.
Early bird pricing ends January 12, 2026.
Two ways to attend!
Join us in Atlanta for the full ACS Spring 2026 experience. Your registration includes access to all keynotes, technical sessions, the Expo, networking events, and the Career Fair—plus full access to the Digital Meeting. Want to go further? Add career workshops or professional education courses for even more value.
Can’t make it in person? No problem. Tune in from anywhere and catch select technical sessions, keynotes, professional development events, and networking opportunities—all through the ACS Spring 2026 Digital Meeting.
ACS Spring 2026 meeting enhancements
Add food and drink extras to your registration to get the most out of your experience in Atlanta. Must be 21 and older to purchase drink tickets, two beverages max.
- ACS Connect Happy Hour Drink Tickets | $15 each
- Extra ACS Connect Happy Hour Access for a Guest | $49
- ACS SciMix Drink Tickets | $15 each
- Atom Café 3-Day Access (Mon – Wed) | $159
- Atom Café Daily Access (Mon, Tues, or Wed) | $75
- Convention Center Food Vouchers | $50 each
Emerging economies registration pricing
New
50-75% registration discounts for international attendees
ACS is excited to offer special meeting registration discounts to members residing in countries with emerging economies. This initiative aims to expand access to the benefits of attending the ACS Spring Meeting, either in-person or digitally, to the global scientific community.
Onsite Registration & Badge Pick-up
All times listed are in Eastern Daylight Time (EDT) (UTC-4:00)
Onsite registration and badge pick-up will begin on Saturday, March 21.
- Saturday, March 21 | 7:00 AM - 6:00 PM
- Sunday, March 22 | 6:30 AM - 6:00 PM
- Monday, March 23 | 7:00 AM - 7:00 PM
- Tuesday, March 24 | 7:00 AM - 6:00 PM
- Wednesday, March 25 | 7:00 AM - 5:00 PM
- Thursday, March 26 | 7:30 AM - 11:30 AM
Badge pick-up for Governance Attendees will begin at the Omni Atlanta Hotel at Centennial Park starting on Friday, March 20 at 1:00 PM.
- Friday, March 20 | 1:00 PM - 5:00 PM
- Saturday, March 21 | 7:00 AM - 4:00 PM
- Sunday, March 22 | 7:00 AM - 4:00 PM
- Monday, March 23 | 7:00 AM - 4:00 PM
Badge pickup will be available near the poster sessions beginning on Sunday, March 22 at 6:00 PM.
- Sunday, March 22 | 6:00 PM - 8:00 PM
- Monday, March 23 | 7:00 PM - 9:00 PM (SciMix)
- Tuesday, March 24 | 6:00 PM - 7:00 PM
- Wednesday, March 25 | 5:00 PM - 7:00 PM
Attendee List Scam Alert
The attendee list for ACS Spring 2026 is maintained solely by ACS and is proprietary to ACS. Distribution or other use of the list without express authorization by ACS is strictly prohibited. ACS does not share or sell contact information in accordance with our privacy policy.
Meeting Policies
ADA Compliance
ACS is dedicated to ensuring that no individual with a disability is excluded, denied services, segregated, or otherwise treated differently because of the absence of auxiliary aids and services identified in the Americans with Disabilities Act (ADA). If you have an emergency or need immediate assistance during the meeting, please contact any ACS Operations Office.
The Georgia World Congress Center is ADA compliant. It has wheelchair ramps, automatic doors, passenger elevators, and accessible restrooms for those who need them. Brailed instructions/directions are strategically located throughout the convention center and pay phones with (TDD) hearing-impaired functions are on each level of the building.
Audio Taping, Photography & Videotaping
No Image Capturing or Recording Please.
The capturing of images, sounds, or stream, downloading, or rebroadcasting of technical session (oral or poster) speakers or presentations is strictly prohibited within the ACS meeting platform.
Registration Cancellation/Refund
You may cancel your existing registration and social events or request a refund before the meeting in accordance with the ACS Registration Cancellation Policy. All refunds are issued via the same method used for payment. Refunds are processed within 30 days after the conclusion of the meeting. By adhering to the following cancellation procedures, registration cancellations received in writing by February 23, 2026, are entitled to a full refund, less $175 administrative fee. Registration fees equaling less than $175 will not be refunded.
- Contact the ACS registration customer service center Monday to Friday, 9 AM to 5 PM (Eastern) at 508-743-0192 or email acs@maritz.com to request ticket refunds, registration upgrades or category changes (i.e., changing your registration category from In-Person to Digital or upgrade from Digital to In-Person).
- Cancellation notices must be submitted to the ACS Registration Customer Service Center via mail or e-mail by 11:59 PM (ET) on February 23, 2026.
- All refunds will be issued via the same method used for payment. Refunds will be processed within 30 days following the conclusion of the meeting.
- Registration refund requests made after 11:59 PM (ET) on February 23, 2026, will not be honored.
- Registration Upgrades or Category changes: If you would like to change your registration category from In-Person to the Digital Meeting or upgrade from the Digital Meeting to In-Person, please contact our Call Center Monday to Friday, 9 AM to 5 PM (ET) at 508-743-0192 or email acs@maritz.com. Requests to change to the Digital Meeting Registration must be made by 11:59 PM (ET) on February 23, 2026. You may upgrade from Digital Meeting to In-Person registration at any time, including after February 23, 2026.
- Canceling your registration will not automatically cancel your hotel reservation; however, ACS reserves the right to cancel the room(s). To cancel your hotel room(s), please contact acshousing@spargoinc.com. ACS will not reimburse cancellation or no-show fees charged by the hotel.
- If you are a presenter, cancelling your registration will not automatically cancel your presentation. To request that your abstract be withdrawn from the meeting, please email your request to maps@acs.org Please include your control ID and abstract title.
- View complete Registration Terms and Conditions.
- Registration Resource Center Visit the Registration Resource Center to print your receipt, modify your registration, purchase SciMeetings, Social Event Tickets or ACS Career Fair Courses.
Contact the ACS Registration Call Center on Monday to Friday, 9 AM to 5 PM (Eastern) at 508-743-0192 or email acs@maritz.com
Registration Upgrades or Category Changes
If you would like to change your registration category from in-person to virtual or upgrade from virtual to in-person, please contact the ACS Registration Call Center on Monday to Friday, 9 AM to 5 PM (Eastern) at 508-743-0192 or email acs@maritz.com. Requests must be made by February 23, 2026.
Electronic Devices
As a courtesy to other meeting attendees, electronic devices must be operated in silent/vibrate mode within technical or educational sessions. Cell phone conversations are not permitted in meeting rooms.
Literature & Product Distribution
Promotions, posters, and literature distribution by attendees, sponsors, or divisions during the meeting must be done within their own meeting room space, except for designated marketing opportunities. Only ACS Operations Office staff are authorized to place any promotional items in public meeting space. Items left in violation of this policy will be removed and discarded.
Literature distribution at specific division tables is under the control of that division. You must secure permission from the division before placing any items on its table.
Smoking
ACS policy prohibits smoking in all official meeting venue rooms during ACS functions. Additionally, as a reminder, the Convention Center and hotels are always self-determined smoke-free environments.
Meeting Access
Full Access
Full Access (in-person and Digital Meeting Access) includes hundreds of industry, student, and academic focused sessions, Networking opportunities at the various ACS-hosted in-person events, like the ACS Connect Happy Hour. Hear first-hand experiences from leaders in the chemistry community during the highly anticipated Priestly Medalist Address and Open Board Session, and the Kavli Lecture series. Full access grants access to all technical sessions, presidential events, poster presentations, full access to the mobile app and the Digital Meeting including virtual Q&A sessions. Connect with over 180+ exhibitors in the Expo and see the latest products in the field of chemistry. The ACS Career Fair allows you to meet with potential employers, receive personalized career advice, take a free professional headshot, and take advantage of the on-the-spot employer networking opportunities located in the Expo Hall.
- Includes option to register and purchase additional ACS Connect Happy Hour tickets (max of 2), Leadership Development Courses, Career Pathways Workshops, ACS Institute Technical Courses, and all Special Events**.
Note: Full Access registration is required for all in-person oral and poster-presenting authors.
Digital Meeting Access
Digital Meeting Access includes a selection of curated live/real time online sessions including full access to the Digital Meeting global content, the Global Virtual Symposia, Virtual Graduate Student Symposia Asia Pacific, division technical sessions, virtual technical sessions, professional development sessions, live streams of the Priestly Medalist Address and Open Board Session, Kavli lecture series, interactive chats with virtual Q&A sessions, and more. The Digital Meeting and does not include live streaming of other sessions from the in-person program. In-person Courses, Workshops, and Special Events are not available in the Digital Meeting Access package.
Note: Digital Meeting registration is required for all virtual oral presenting authors.
Limited Access (In-Person) Registration Categories
- Governance Only Access includes access to Governance Events only – No access to Sessions, Poster Hall, or Expo.
- Ticketed Events Only includes access to Leadership Development Courses, Career Pathways Workshops, ACS Institute Technical Courses, and all Special Events, purchased individually a la carte. – No access to the ACS Connect Happy Hour, Sessions, Poster Hall, or Expo. Registrants with a ticketed events only badge will not have access to the mobile app or access to the Digital Meeting.
- Exhibitor Access includes Exhibitor Full Conference or Exhibitor Booth Staff Only badges. Exhibitor access is for exhibitor staff requiring access to the Expo Hall for setup outside of general admission hours. Exhibitor Booth Staff Only badges permit access to the Expo Hall only – no sessions. Exhibitor Full Conference badges have access to the full conference and the sessions.
- Guest Access – Guests can attend Sessions, Poster hall, Expo and ACS Connect Happy Hour when accompanied by full access attendee. Guests will not have access to the mobile app or access to the Digital Meeting.
- Expo Only Access includes entrance into the Expo during expo hours only.– No access to the ACS Connect Happy Hour, sessions, or poster hall. Registrants with an Expo only badge will not have access to the mobile app or access to the Digital Meeting.
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Contacts for registration, hotel, presenter support or any other questions.
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