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We're committed to making your experience with C&EN an enjoyable one. If you can't find what you're looking for below, email cenfeedback@acs.org, and we'll be happy to help.

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For all other technical support: Contact a Member Services representative via email at service@acs.org or phone at (800) 333-9511 or (614) 447-3776. Member Services representatives are available Monday through Friday, except holidays, from 8:30 AM to 7 PM ET.

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