• CAS SciFinder-n (former SciFinder (Academic) web version)
    Coverage: International
    Access Options: Off campusOn campus
    Provider: CAS
    Category: Search for Articles,Patents,Other

    <Period> April 11th, 2020 to January 31st, 2022 (Extended)
    IP address limitation of SciFinder-n/SciFinder is lifted during the period.
    *You need Username (ID) and Password to log in to SciFinder-n/SciFinder when you access from your home or other remote environments.
    *New user registration is not included in the measures, so see here for registration from off-campus.
    *When a security alert appears, permit your access to the website. The way to unlock the alert depends on your browser.

    Access Note:
    • Information Use Policies
    • User registration required (see below)
    • It is not allowed to download the search results of more than 5,000.
    • 1 user, 1 ID Only


CAS SciFinder-n allows users to search useful scientific information with an advanced research engine and a simple interface. It includes not only papers and patents but also information on chemical compounds and organic reactions. Thus, CAS SciFinder-n is an essential tool for researchers all over the world.

<You can obtain the following information with CAS SciFinder-n>

  • Papers: Articles and patents on chemistry from 1808, and articles on medical care drawn by PubMed (MEDLINE) from 1946
  • Materials: All information on materials with CAS number from 1907 and catalog information on reagents and compounds 
  • Reactions: Information on organic reactions from 1840, and "Retrosynthesis Plannner", which performs reverse synthesis analysis from the input final product and suggests various synthetic routes.

If you have not used CAS SciFinder-n before, user registration is required at first.
Registration Page (On Campus Only)



User registration is required for the first use of CAS SciFinder-n, click here (Accessible only from on-campus)
For more information on registration, see here (Also only from on-campus)

  • Check and change the registerd information
    • When you forgot username or password, see here
    • When you want to change email address, see here
  • Note on getting multiple user IDs
    • One ID per user is only applicable.
    • When you change your email address, for example when you advance to graduate school, see here to revise. Do not get a new user ID.
  • Note on accounts no longer used
    • To prevent unauthorized use, accounts that have not been used for a long term will be suspended
    • If you want to continue using the account, you can click on the link shown in the confirmation email sent to you in advance
    • If you want to reuse them after suspension, please contact the library or JAICI. Do not create a new account!

Information for use and user's manual

Useful Tool

  • JAICI Science Dictionary
    An online tool that you can search subject terms between Japanese and English including synonyms and hierarchical relationship of terms.


*SciFinder was changed into SciFinder-n from April 1st, 2020. Transfer your settings to the new one.
An old version of SciFinder can be accessible from here.

【Username (Login ID) and password】
You can use the same username and password.

【Transition of saved results and alerts】
You can transfer your saved results and alerts to SciFinder-n. This must be done during the transition period.
<How to transfer>
On the top page of SciFinder-n, click "★Saved" on the top right, then click "Migrate Alerts & Saved Results".
If you saved your results in .akx format, call up them in the current SciFinder and then perform the above work as SciFinder-n is not able to read in.akx format.

If you have any questions about transfer, contact JAICI.

Coverage years: 


Q. How do I start SciFinder-n?
    A. You must create a user account at first. please see the "Registration" above.

Q. Can I create my account from off-campus?
    A. Yes, you can create your account from off-campus. For details, please contact us from the inquiry form.

Q. I want to use yahoo mail of gmail as an e-mail address for registration.
   A. You must register e-mail address of Kyushu University domain: kyushu-u.ac.jp, kyushu-univ.jp, kyushu-u.jp.

Q. I entered an e-mail address of Kyushu University domain, but the message "The e-mail is not within the e-mail domain for your organization." is displayed, and I cannot register.
    A. If you use other Kyushu University domain address than kyushu-u.ac.jp, kyushu-univ.jp, and kyushu-u.jp, please contact us from the inquiry form. Besides, you cannot use Qdai-mail (@kyudai.jp).

Q. I can't login despite I already registered.
    A. User registration completes by clicking on the link in the confirmation email sent by CAS after filling out the form on the registration site.

Q. My e-mail address has changed because I go on to graduate school.
    A. Please login to myCAS with your SciFinder-n username and password. You can change your registered e-mail address from MyProfile. SciFinder-n prohibits double registration. You must not create another account with your new e-mail address.

Q. I created my account before, but I forgot my username and password.
    A. Access here to change your username or password. If your email address has changed since registration, this method is not available. Ask JAICI.

Q. I can't login to SciFinder-n.

  • in case of an error message "Username or password is incorrect."
    Check the entered Username and password, and reset your password if necessary.
  • in case of an error message "This account is not authorized for access at this time"
    Your account might be suspended, then refer the following Q&A. When you access from your favorite on a browser, try to access from the "Access" bottom above.
  • in case of an error message "Access to SciFinder-n is not authorized from this IP address"
    SciFinder-n is accessible only from an on-campus network. If you see this message although you access from on-campus, ask Inquiry Form with a displayed IP address.

Q. I enter my username and password, but a blank page is displayed or a web browser is forced a shut-down.
    A. Please clear your  browser's cache.

Q. I don't know how to use SciFinder-n.
    A. Please refer Search Guide or Quick Reference Guide, or ask JAICI.

Q. Is SciFinder-n available after graduation?
    A. SciFinder-n is only available to students, faculty and staff of Kyushu University. See the terms of use.

Q. I tried to login for the first time in a long time. A message "Username and/or password is invalid" is displayed and I cannot login to SciFinder-n.
    A. To prevent unauthorized use of your account, accounts that have been inactive for an extended period of time will be suspended. If you wish to continue using SciFinder-n, you can click the link in the confirmation email sent to you before suspending your account. If you would like to reuse SciFinder-n after it has been suspended, please contact the library or JAICI. Do NOT create a new account.


Terms of Use

  • SciFinder-n is only accessible to students, faculty and staff of Kyushu University
  • The use of SciFinder-n should be for learning and education not for commercial research
  • Sharing and transfer of accounts are prohibited. Use your own ID. Also, 1 user is able to get 1 ID
  • Maximum downloadable number is 5000 based on the contract, and manumum number at one operation is 100.
  • If you violate the terms of use, your right to access SciFinder-n could be suspended. Please comply with the terms of use

Some notes

  • 1 user is able to get 1ID
  • When you change an email address, for example when you advance to graduate school, see here to change an email address. Do not get a new user ID
  • When you forgot your ID or password, see here.