Information Use Policy
INTRODUCTION
CAS, a division of the American Chemical Society (ACS), is dedicated to improving people's lives throughthe transforming power of chemistry. This Information Use Policy (the “Policy”) aims to support scientificresearch performed by individuals and teams of scientists, while protecting the intellectual property rightsof ACS/CAS.
The Policy applies to all Information (as defined below) unless (i) your license for CAS solutions(s),service(s) and/or content provide otherwise, or (ii) CAS has granted you express written permission to use
Information in a manner other than as set forth below under “Authorized Use of Information” or (iii) theInformation is provided to you as part of a CAS Service. In the event of a conflict between this Policy andthe rights granted in (i) and (ii) above, then the rights granted in (i) and (ii) above shall control. In the eventof a conflict between this Policy and (iii) above, then the specific rights granted in the agreement between
you and CAS setting forth the terms of the CAS Service shall control. This Policy does not apply to CAS
Services unless expressly set forth in the CAS Service agreement
The Policy is subject to change at the discretion of CAS. Any changes made to the Policy in the future will
be posted on this page and, where appropriate, notified to you by e-mail or post. Please check backfrequently to see any updates or changes to the Policy.

DEFINITIONS
For the purpose of this of this Policy, the terms listed below shall have the following meanings:
a. CAS RN® or CAS Registry Number®. a unique numerical identifier created and assigned toa chemical substance by CAS.
b. Database. a collection of Information structured for search and retrieval with a computer
system.
c. Information. All content accessed by, or provided to, a User or Organization through a CAS
product or service or provided by CAS to a User or Organization by any other means.
Examples include, but are not limited to, abstracts, CAS Registry Number(s), bibliographic
information, chemical reactions and structures, methods, full-text patents, substances, andreports.
d. Link. a User created fixed electronic connection to Information.

e. Molfile. a file format holding information about the atoms, bonds, connectivity and coordinatesof a molecule.
f.

Organization: a corporate entity, academic institution or government agency accessing andusing CAS Information with the permission of CAS through a valid license or other express
written grant of right by CAS.

g. Project. a research endeavor of an Organization of defined scope, staffing, and limited
duration.

h. Record. A subset of Information comprised of a CAS Accession Number with any or all
associated CAS Information (e.g., a CA abstract number with any or all associated Informationin bibliographic Databases or a CAS RN with any or all associated Information in substance
Databases.)i.

User. an individual accessing and using Information with the permission of CAS through avalid license or other express written grant of right by CAS.

BUILDING AND USE OF A DATABASEA User may build a searchable Database for use by such User or a User’s Project team. Creation ofcentralized or networked internal and/or external Databases or Directories for any other purpose isprohibited. A Database may not be created or used with the purpose, or the effect, of avoiding subscription
or other fees for accessing and using Information.
A User may download and retain no more than 5,000 Records and no more than 5,000 Molfiles at any giventime. If downloaded and retained for the purpose of sharing within a Project team, the Records and Molfiles
shall be deleted within 36 months of download, or, if such Records and Molfiles relate to a Project, thenupon the conclusion of the Project.

DISTRIBUTION & USE OF INFORMATION➢ Attribution. Distribution of Records or Information, whether inside or outside of an organization,
to a government agency or via the Internet, in electronic or print format, shall include the following
statement:“Redistributed with permission. Copyright © [Insert Year] the American Chemical Society(ACS). All rights reserved.”➢Inside of User’s Organization. A User may make a de minimis amount of electronic or print copies
of, and distribute to others within User’s Organization, Information and/or Records for private,internal purposes related to the Organization’s business.

➢

Outside of User’s Organization. A User may distribute Information outside of User’s Organizationin the following manners:•••

A bibliography of references, provided that the bibliography is supplemental to the maincontent of the User's own copyrighted or uncopyrighted work.
A scientific publication such as a critical review, poster, presentation, research report,patent, or other communication.
A report to the government when the information and the reports are required by law oradministrative policy.

➢By a Government Agency. A government agency that legally receives required Information froma User or Organization may use the Information only for the legal purpose for which it was provided.
Unless expressly required by law, the government agency may not share, exchange, or redistributethe Information to another Organization, including another government agency.

➢Via the Internet. Except as expressly set forth in this Policy, publishing, sharing or redistributing
Information via the Internet is prohibited.

CREATION AND DISTRIBUTION OF LINKS
Links are intended to be used only by a User or as a collaborative tool among a Project team. A User may
create and distribute Links within User’s Organization for private, internal purposes related to theOrganization’s business. Only Users and Organizations that hold a valid license to utilize CAS products
and services may distribute, use and access Links. Links may not be aggregated or distributed for thepurpose of enhancing or building a Database.

PROHIBITED USES OF INFORMATION
Except as expressly set forth under BUILDING AND USE OF A DATABASE, Information may not be:➢ Aggregated or collected:• Directly or indirectly, in a collection, compilation, Database, manually, via automatedprograming, or otherwise (e.g., a script written to extract and download Information inbatches).
• Using any script/macro to automate an otherwise manual process, including but not limited
to, an attempt to download or aggregate Information utilizing an automated process.
• For the purposes of machine learning, algorithmic development, testing or enhancing, or
any other artificial intelligence purposes.
• For the purposes of creating, using, or inputting into any Large Language Model (LLM) orrelated technology regardless of whether such LLM is public or private.
➢ Redistributed:• For commercial gain or in any other way commercially exploit the Information in conjunction
with federated search tools.
• For any purpose other than as expressly set forth in this Policy, including but not limited toby assignment, sale, sublicense, loan or other means of transfer to any third party, or anycommercial use, whether paid or unpaid.
CONTACT US
For use of Information in any manner other than as expressly set forth in the Policy, please contact CAS
Customer Center.
➢ Visit:https://www.cas.org/contact➢ Email:

help@cas.org➢ Phone:+1 (614) 447-3700 (worldwide)(800) 753-4227 (toll-free in the North America)➢ Mail:

CAS Customer Center, P.O. Box 3012, Columbus, Ohio 43210-0012, USA

Updated:July 12, 2024