New on STN
February 2019
New Display Format IFAM2 in INPADOCDB and INPAFAMDB with Focus on Legal Status
February 2019
Key Terms support efficient full-text searching and results evaluation in Patent Full-text Databases
February 2019
Reload of patent full-text databases FRFULL and GBFULL with major enhancements
Meet us at
PIUG 2019 Biotechnology Conference,
19. - 20. Feb, Cambridge, MA
PATENTE 2019, 25. - 26. Feb, Munich
IC-SDV 2019 The Meeting,
08. - 09. Apr, Nice
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Helpdesk
The experienced searchers and scientists from our help desk provide expert assistance free of charge. They will be happy to answer your questions about the STN command language, on how to develop effective search strategies,on database content topics, questions about accessing STN, and many more. There are also a number of STN representatives available around the world who offer similar support and service in your language.
Users in Europe should contact STN INTERNATIONAL - FIZ Karlsruhe at:
Phone: (+49) 7247 808555
If the help desk phones are busy, you will be automatically connected to our voice mail service, where you can leave a message. We will reply as soon as possible.
Fax: (+49) 7247 808259
E-mail: helpdesk(at)fiz-karlsruhe(dot)de or feedback form
Helpdesk hours of operation are from:
8:30 a.m. - 5.00 p.m. (CET) Monday - Friday
Users in North America should contact STN INTERNATIONAL - CAS Customer Center at:
(+1) 8007534227 (North America)
(+1) 6144473700 (outside North America)
Option 2 (8 a.m. - 6 p.m.): General information or account-related questions
Option 3 (8 a.m. - 8 p.m.): Assistance with search strategies, database content or using a product
Option 4 (8 a.m. - 6 p.m.): Technical assistance with software setup, installation and configuration
E-mail: help(at)cas(dot)org
Helpdesk hours of operation are from:
8:00 a.m. - 8.00 p.m. (U.S. Eastern Time) Monday - Friday
Users in Japan should contact JAICI (Japan Association for International Chemical Information) STN Japan
Phone: (+81) 359783601 (Technical Service)
(+81) 359783621 (Customer Care)
Fax: (+81) 359783600
Helpdesk Page