Customer Support

Experienced searchers and scientists of the FIZ Karlsruhe helpdesk provide assistance free of charge. Contact us for all questions about  our products and services, e.g. about STNext^® database content, or how to develop effective search strategies.

Users in Europe should contact FIZ Karlsruhe at: 
Phone:  (+49) 7247 808-555
Fax: (+49) 7247 808-259
E-mail: helpdesk(at)fiz-karlsruhe(dot)de

Helpdesk hours of operation are from:
8.30 a.m. - 5.00 p.m. (CET) Monday - Friday

Users in North America should contact CAS Customer Center at:
(+1) 8007534227 (North America)
(+1) 6144473731 (outside North America)
E-mail: help(at)cas(dot)org

Helpdesk hours of operation are from:
8.00 a.m. - 6.00 p.m. (U.S. Eastern Time) Monday - Friday

Users in Japan should contact JAICI (Japan Association for International Chemical Information)
Phone: (+81) 359783601 (Technical Service)
(+81) 359783621 (Customer Care)
Fax: (+81) 359783600
Helpdesk Page

Maximize the Value of STNext^® with Global Value Pricing

Only STNext^® Global Value Pricing provides unlimited access to the broad collection of high-quality patent, non-patent and substance content STNext^® offers, including CAS content and Derwent World Patents Index^® under a single flat-fee contract.

With Global Value Pricing, all of the valuable content and features STNext^® offers are included - there is never a need to compromise comprehensiveness or restrict content access.

Global access:

• Unlimited access to all STNext^® content
• Unlimited use of all STNext^® features and tools
• Unlimited number of users and sites globally

Flexibility and freedom:

• Maximize comprehensiveness
• Optimize efficiency of search workflow
• Explore more content and features

Budget predictability and administrative simplicity:

• Single, fixed-cost contract covering all content
• Standard renewal pricing not based on usage
• Multi-year agreement
• Industry-leading account support

For additional information on CAS STNext^® pricing and to get a quote for your organization, contact your STN Service Center.

All STNext® use is subject to the STNext^® License Agreement Information Use Policies, and any applicable data use policies and restrictions set forth by third-party database producers. Some restrictions apply.

• STN Gerneral Terms & Conditions (PDF)
• CAS Information Use Policies
• Clarivate Terms of Business
• STN Information Keep & Share Program  (PDF)
• Usage Terms by Database - see also HELP USAGE terms, available in each database on STNext

To get access to STNext^® , please contact Customer Support.