ACS Login Help
ACS ID Questions
1.听听听听 The system doesn鈥檛 recognize my user name/ACS ID.
2.听听听听 I forgot my user name and/or password.
3.听听听听 I cannot log in with my user name/password.
4.听听听听 I used Forgot User Name/Password, but I never received an email.
5.听听听听 How do I change my email address for my account/ACS ID?
6.听听听听 How do I deactivate my account/ACS ID?
7.听听听听 What is the required format for my user name and password?
8.听听听听 My ACS ID isn鈥檛 connected to my ACS or AACT member number.
9.听听听听 I have multiple ACS IDs. Can I combine them?
10. 听听I need my ACS member number.
11. 听听I need my AACT member number.
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ACS Member SciFinder庐 Benefit
12. How do I log in to the ACS Member SciFinder庐 Benefit?
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ACS Member-Only Content
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AACT Member-Only Content
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Customer Support for ACS and AACT
16. How do I contact customer support?
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1. The system doesn鈥檛 recognize my user name/ACS ID.
We can send you your user name and a new password to access your account. If you know the email address you used to register, go to .
If you can鈥檛 recall the email address, or if you no longer have access to that email account, contact Customer Service:
- Phone: 800-227-5558 (US only) or 202-872-4600 (outside the US). Hours: Mon. - Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
2. I forgot my user name and/or password.听
To reset your password and/or retrieve your user name:
- Go to .
- To reset your password, enter the email address you used when you created your account. We鈥檒l send you an email with a link to reset your password.
- To recover your user name, click the link titled on the Reset Password page. Enter the email address associated with your ACS ID and we鈥檒l send you an email message with your user name.
3. I cannot log in with my user name/password.
Both the user name and password are case sensitive (i.e., MaryWild is not the same as marywild). It may be easier to use the copy and paste functions to ensure you are using the correct case.
If that鈥檚 not the problem, contact Customer Service:
- Phone: 800-227-5558 (US only) or 202-872-4600 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
4. I used Forgot User name/Password, but I never received an email.
Check your spam filter for a message with the subject line 鈥淎CS ID password reset request" or "ACS ID user name request.鈥� You should also enable receipt of messages from donotreply@acs.org.
If that鈥檚 not the problem, contact Customer Service:
- Phone: 800-227-5558 (US only) or 202-872-4600 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
5. How do I change my email address for my account/ACS ID?
- Log into www.acs.org using your ACS ID (username and password).
- Access My Account through the dropdown menu beside your name in the top header.
- Update your password, email address, phone and fax numbers, and/or addresses.
What if I can鈥檛 access the email address I originally used to register?
Contact Customer Service:
- Phone: 800-227-5558 (US only) or 202-872-4600 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
6. How do I deactivate my account/ACS ID?
Contact Customer Service:
- Phone: 800-333-9511 (US only) or 614-447-3776 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
7. What is the required format for my user name and password?
Your user name and password must be a combination of 4 to 16 characters and may include letters, numbers, and the following special characters: underscore (_), hyphen (-), period (.), and the at symbol (@). They cannot include space(s).
Both the user name and password are case sensitive (i.e., MaryWild is not the same as marywild).
8. My ACS ID isn鈥檛 connected to my ACS or AACT member number.
Contact Customer Service:
- Phone: 800-333-9511 (US only) or 614-447-3776 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
9. I have multiple ACS IDs. Can I combine them?
Contact Customer Service:听
- Phone: 800-333-9511 (US only) or 614-447-3776 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
10. I need my ACS member number.
Use our听听to find your ACS member number. You can also find your member number on your membership card and on the mailing label of your copy of C&EN.听It is either the first seven or first eight numbers on your mailing label. The following information helps to determine your membership number:听
Seven digits followed by an alphabetical character.
Example:听1234567X.
In this case, drop the alphabetical character at the end and add a zero to the front.
Example:听01234567.听
Seven digits followed by a space and several more digits.
Example:听1234567 432.
In this case, enter only the first 7 digits.
Example:听1234567.听
Eight digits with no alphabetical characters
In this case, enter all eight digits.
Example:听01343444.
Questions? Contact Customer Service:
- Phone: 800-333-9511 (US only) or 614-447-3776 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
11. I need my AACT member number.
Your AACT membership number appears in your membership confirmation email. You can also contact AACT Customer Support.
- Phone: 877- 233-7440 (US only) or 614- 447-3878 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
12. How do I log in to the ACS Member SciFinder庐 Benefit?
If you participate in the ACS Member SciFinder Benefit, your SciFinder login credentials are separate from your ACS ID and are issued to you by CAS. The CAS Customer Center can be reached at help@cas.org or by dialing 1-800-753-4227 or 1-614-447-3700.
13. I am an ACS member. When I try access ACS Member-Only Content with my ACS ID, I see a message that indicates that I am not an ACS member.
The ACS ID you use to access ACS Member-Only Content must be connected to your ACS member number. If you have multiple ACS IDs, please log in with the one that includes your ACS member number. If you鈥檙e not sure that your ACS ID is connected to your ACS membership, contact Customer Service:
- Phone: 800-333-9511 (US only) or 614-447-3776 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
14. I am an ACS member. When I try access with ACS Member-Only Content with my ACS ID, I see a message that indicates my membership has lapsed. How do I get access to this content?
To access ACS Member-Only Content, which is a member benefit, your membership must be current. To renew your membership online, you can click on the renewal link that appeared when you tried to access the protected content, or you can log in at . To verify your current membership status or renew by phone, contact Customer Service:
- Phone: 800-333-9511 (US only) or 614-447-3776 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
15. I am an AACT member. When I try to access AACT Member-Only Content with my ACS ID, I see a message that indicates that I am not an AACT member.
The ACS ID you use to access AACT Member-Only Content must be connected to your AACT member number. If you have multiple ACS IDs, please log in with the one that includes your AACT member number. If you鈥檙e not sure that your ACS ID is connected to your AACT membership, contact AACT Customer Support.
- Phone: 877- 233-7440 (US only) or 614- 447-3878 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
16. Contact Customer Support.
For questions about logging into your ACS account and/or your online profile:
- Phone: 800-227-5558 (US only) or 202-872-4600 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
For questions about your ACS membership (e.g., renewals, journal subscriptions, division membership, eRosters), contact Membership Services:
- Phone: 800-333-9511 (US only) or 614-447-3776 (outside the US).
Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
For questions about your AACT membership, contact Membership Services:
- Phone: 877-233-7440 (US only) or 614-447-3878 (outside the US). Hours: Mon. 鈥� Fri. (except holidays), 8:30 a.m. to 7:00 p.m. ET.
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