Customer Support

Rely on more than 30 years of dedicated service to professional searchers


EMEA Customer Center

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

Users in Europe should contact EMEA Customer Center
FIZ Karlsruhe - supporting CAS STN Suite products at:
Phone:  (+49) 7247 808-555
Fax: (+49) 7247 808-259
E-mail: EMEAhelp@cas.org

EMEA Customer Center 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:
Monday 8:00 AM through Friday 12 midnight U.S. Eastern Time

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

Database Summary Sheets, Cluster, Subjects, Features

Concise description with all fields, all formats, many examples, including search for cluster, subjects and features.

STNext Databases A to Z

Global Value Pricing (GVP)

Maximize the Value of CAS STNext® with Global Value Pricing

Only CAS STNext®Global Value Pricing provides unlimited access to the broad collection of high-quality patent, non-patent and substance content CAS 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 CAS STNext®offers are included - there is never a need to compromise comprehensiveness or restrict content access.

Global access:

  • Unlimited access to all CAS STNext®content
  • Unlimited use of all CAS 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 CAS STNext®pricing and to get a quote for your organization, contact your STN Service Center.

Usage Terms

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

CAS Terms and Conditions

CAS Information Use Policies

Clarivate Terms of Business

Usage Terms by Database - see also HELP USAGE terms, available in each database on STNext

Account Setup

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

System Requirements

System requirements for the CAS STNext® family of products are presented here.

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CAS STNext® Units System

The following provides complete information about the CAS STNext® Units system.

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