What's New in SciFinder

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Preserve Your Most Valuable Resource - Time - With PatentPak™ (February 2015)

PatentPak is a robust, new patent workflow solution designed to radically reduce the time spent acquiring and searching through multiple patents to find vital chemistry. PatentPak is available as an add-on to SciFinder and features:

  • Full text PDFs from 11 major patent offices
  • Patent Family PDFs in multiple languages
  • Patent page numbers for key indexed substances

PatentPak display for What's New

Page Number in Patent for What's New

-Learn More -


New Substance Detail View Improves Readability and User Experience (October 2014)

The latest SciFinder release features a major enhancement of the Substance Detail page with the addition of an expandable/collapsible menu that highlights the various content areas, and now also includes regulatory information.

A new layout and format greatly improves readability and user-friendliness of substance detail pages.

  • Physical Property Data: common properties are listed at the top of the display, making it easier to find desired physical properties.
  • The new layout includes an expandable/collapsible menu, providing a quick, easy way to find the content of interest.
  • Print and Export: content areas are now individually selectable for print and export, allowing users to print only the data that matters to their research.

Substace Detail Display 

  • Content Area Tabs: collated tabs organize property information in scientifically meaningful ways.

Experimental properties tab display in SciFinder  

Regulatory Information

  • Now conveniently accessed within a given substance’s detail page.
  • Reorganized in an easy-to-read format that allows users to quickly find information of interest, even by country.

Expanded Regulatory data in SciFinder


Table View Presentation of Commercial Sources Answer Sets and Further Enhancements to Non-Java CAS Structure Editor (September 2014)

The latest SciFinder release includes a new table view for Commercial Sources answer sets and further enhancements to the Non-Java CAS Structure Editor.

Table View of Commercial Sources Answer Sets

The new table view presentation of Commercial Sources answer sets provides easier and faster access to the commercial source data you are looking for. It brings popular, existing features such as supplier source, purity, quantity, stock status, and shipping information to the forefront of the answer set and provides the ability to sort the answer set by these categories.

Commercial Sources table view 

Additional Analyze and Sort options are also provided for Commercial Source answer sets, including criteria such as country of supplier, and "Order from Source" (previously known as Pricing and Availability).

Commercial Sources Analyze and Sort options

Enhancements to the Non-Java CAS Structure Editor

  • User-Defined Templates - allows users to save and load one or more .cxf  structure files for quicker access during their SciFinder sessions. Note: this is different from the Java editor. User-Defined Templates are now saved in your browser's default download folder as .cxf files.
  • Flip Structure Tool - allows a user to flip a selected structure 180° vertically or horizontally
  • Eraser Tool - now allows a user to erase parts of or entire structures by clicking and dragging the mouse over the desired selection

User Defined Template in Non-Java Editor


More Updates to the Non-Java CAS Structure Editor (July 2014)

The latest SciFinder release includes numerous enhancements to the Non-Java CAS Structure Editor. As highlighted in the graphic below, enhancements include:

  1. Context specific Help is now available from the editor toolbar
  2. Flip structure tool
  3. Thicker, more colorful highlighting makes it easier to see what part of a structure is being modified or selected
  4. Current template now displayed
  5. A reset button restores structure editor to carbon atom, single bond, and pencil tool default settings
  6. Molecular formula and weight are displayed in the status bar

non-java structure editor updates 

Standardized menus and displays have been extended to the Functional Groups feature in reaction searching. Users can select a list or grid view, and can search for a particular functional group.

Functional Group enhancements to non-Java editor

Further Updates to Non-Java CAS Structure Editor (June 2014)

The latest SciFinder release includes the addition of structure templates and canvas zooming to the Non-Java CAS Structure Editor. Additionally, management of Keep Me Posted profiles now uses the same Select interface employed throughout SciFinder.

Non-Java CAS Structure Editor Updates

  • Users can now quickly and easily draw common structural frameworks using structure templates.
  • Drawing and viewing of structures is made easier with the introduction of canvas zooming.


SciFinder/ChemDraw® Collaboration, Increased Analysis Limits, and Non-Java CAS Structure Editor Updates (May 2014)

This release features the integration of ChemDraw and SciFinder, improvements to the Analyze feature, and further enhancements to the Non-Java CAS Structure Editor.

SciFinder and ChemDraw Integration

The functionality of this landmark collaboration between CAS and PerkinElmer enables ChemBioDraw Ultra 14 users to initiate a SciFinder search from within the ChemDraw interface, and then be taken to the related search results within SciFinder. ChemDraw users can now find more information in less time by simply clicking one button to seamlessly transfer a ChemDraw structure or reaction to SciFinder.

Learn more at

ChemDraw SciFinder Workflow

Improvements to Analyze Feature

  • Reference analyses are now unlimited. The interactive analysis bars and Show More feature now work for reference answer sets of any size. 
  • The sample analysis limit has been increased from 1000 to 20,000 for all SciFinder Explore types.

Analyze Limits 


Non-Java CAS Structure Editor Updates

Further enhancements to the Non-Java CAS Structure Editor include:

  • Repeating Groups: easily repeat elements of a given structure, including atoms, shortcuts, and variables.

Add Repeating Group 

  • "Add to Editor", InChI and SMILES Conversion: conveniently convert InChI or SMILES strings to a structure within the drawing editor. (CAS Registry Number® functionality was already available!).

Add to Editor SMILES




Non-Java CAS Structure Editor Updates and Commercial Source Improvements (April 2014)

Non-Java CAS Structure Updates   

Enhancements to the Non-Java CAS Structure Editor continue. The latest features to be added include:

  • Variable Attachment Point Tool: specify multiple positions on a ring system where a substituent can attach to broaden your search scope
  • Functional Groups Tool: create a reaction query where a reactant, reagent, or product is represented by a functional group to cast a wide net in your research area
  • Text node entry: Use text entry to specify atoms at node points.

VAP Functional Groups

Commercial Sources Updates

  • Most importantly, commercial sources are now set as preferred or non-preferred on the Commercial Sources answer set page 
  • Distributors are now listed under their parent commercial source’s detail page
  • The terms “supplier” and “catalog” have been removed from the product

Commercial Sources Preferences 


"Need-to-Know" Videos

CAS collaborated with SciFinder customers to develop a set of "Need-to-Know" Videos that cover practical, real-world applications of SciFinder features and capabilities. Averaging only three minutes, these videos will quickly give users the information they need for using SciFinder effectively and advancing their research. All these videos are available from the SciFinder Training page


Non-Java CAS Structure Editor Updates and New Substances Sort Option (March 2014) 

Non-Java CAS Structure Editor Updates

The following features and enhancements have been added to the Non-Java CAS Structure Editor:

  • Molfile import/export allows users to conveniently transfer structures from third-party drawing tools such as ChemDraw to the structure editor in SciFinder
  • Structure Shortcut Keys allow users to change nodes and bonds using a single keystroke.

Keyboard shortcut keys in Non-Java Structure Editor


Sort by Number of Commercial Sources

This new Sort option allows sorting of substance answer sets by the number of commercial suppliers associated with each substance. Users can quickly identify widely available starting materials, reagents, and other substances of interest.

Sort Substances by Commercial Sources


Updates to Non-Java Structure Editor and Substance Answer Set Display (January 2014)

Non-Java CAS Structure Editor Update

New features and enhancements in this update include:

  • The R-Group tool now includes all sub-menu options in a single window
  • Bond spouting of carbon nodes is enabled by clicking on an existing carbon node
  • The Non-Java CAS Structure Editor is now set as the default structure editor. If selected, the Java version becomes the default.

R group screen


Substance Answer Set Display

A user's ability to quickly scan and read results is enhanced by the following:

  • Grid elements are now all left justified
  • Regulatory information now appears as a text link in the grid along with Experimental Properties and Spectra information
  • The commercial sources icon now includes a supplier count

Substance answer set display




Enhancements to the Non-Java CAS Structure Editor (November 2013)

Highlights of this latest update include additions to the functionality of the Non-Java CAS Structure Editor, a new Display Options user interface and linking to myCAS from the Password and Account Information section of your SciFinder Preferences.

Enhancements to the Non-Java CAS Structure Editor

The following features are now available in the Non-Java version of the structure editor:

  • Reaction arrow tool
  • Undo/Redo with complete cycle of undo/redo actions
  • Chain tool
  • Structure drawing preferences for fixed drawing length and angle

Display Options Improvement

Answers per page and layout options for answer set detail are now available in a single pop-up window when Display Options is selected. This applies to all reference, substance, and reaction answer sets.


Enhanced Account Management

This enhancement seamlessly links the SciFinder Password and Account Information preference to the account management feature in myCAS, thus sparing users the need to re-enter their username and password.


Content Enhancements

  • ~26,000 German patents were updated and now include corresponding patent front page graphics
  • ~23,000 experimentally determined heteroatom NMR spectra were added to the database (B11 , N15, O17)


New Non-Java CAS Structure Editor (October 2013)

The latest SciFinder update features a new structure editor that does not require a Java plug-in for web browsers. Other enhancements improve the usability of existing features. Commercial sources answer sets now include substance Quick View and supplier information now includes mailto hyperlinks. Analyze by reagents is a new option for reaction answer sets. Additionally, SciPlanner tutorials have increased availability, and access to account management settings is improved.

Non-Java CAS Structure Editor

The new Non-Java structure editor is an alternative to the Java-based editor and allows users to draw structures for substance and reaction searches without requiring a Java plug-in. The available features are equivalent to those in the Java version, with remaining features to be released shortly.


Analyze by Reagents 

A new default Analyze option for reaction searching lists all reagents contained in the reaction answer set. It allows researchers to quickly scan for particular reagents, giving them the ability to focus on reagents they have available or use frequently, or to evaluate different reagents for a particular type of reaction. 


Substance Quick View in Commercial Sources Answer Sets

Users can now view substance details without leaving commercial source answer sets, and this enhancement makes it quicker and easier to scan larger answer sets which may contain multiple substances.


Commercial Supplier Email Hyperlinks

The addition of mailto links in commercial supplier records is a time saving feature that opens a pre-populated email message and allows you to contact a supplier while still in a SciFinder session.


Increased Availability of SciPlanner Tutorials

To help orient users to its features and functionality, SciPlanner tutorials are now available each time SciPlanner is launched. Users have the option to not show this screen.


Enhanced Account Management

This feature addresses a key user need by improving visibility of, and access to account management settings.


Content Addition

When available, substance detail records now contain harmonized tariff code information. (The Harmonized Commodity Description and Coding System (HS) is part of the World Customs Organization standardized system of names and numbers for classifying and tracking traded products.)




New SciFinder Design (June 2013)

SciFinder's new, streamlined design lets you access powerful search options in just one click; quickly identify the latest, most relevant research via a more intuitive layout; and more easily access saved searches and alerts.

Download an overview presentation or click the image below for an interactive, introductory tutorial.

New SciFinder design  



Springer Experimental Procedure Data Added to SciFinder (April 2013)

In addition to a number of system enhancements, this SciFinder maintenance release features the introduction of experimental procedure data from Springer journals and an increase to 14 days for the time a user can remain logged in using the Remember Me option.

Springer Experimental Procedure Data

Springer and CAS will collaborate to add experimental procedure data for chemical reactions reported in 165 Springer chemistry journals covering the period 1985 to the present. Read the press release.

Springer experimental procedure


Remember Me

Not only has the duration a user can remain signed-in been extended to 14 days, but if selected at sign-in, the option is presented as the default the next time a user is required to enter their credentials.

Keep ME Signed in for Two Weeks



New SciFinder® Release Enhances User Experience with Ease-of-Use Features (December 2012)

The latest SciFinder update features several ease-of-use enhancements that improve user interaction with SciFinder and act as an introduction to more usability improvements coming in 2013.

Remember Me

Using the Remember Me option enables you to:

  • Remain signed in for seven days (unless you sign out)
  • Sign in with a single mouse click if you are unexpectedly timed out
  • Return automatically to your default Explore page when returning to SciFinder
  • Be remembered on up to three browser or computer combinations for easier access from multiple workstations

When the Remember Me box is selected, SciFinder sets a cookie with encrypted authentication on your browser. This cookie is set to expire in seven days.

User Interface Enhancements

Ongoing user interface enhancements allow you to:

  • Manipulate answer sets more effectively with all Select options now grouped into a single dropdown menu
  • Quickly navigate answer sets with the new page input field
  • Return to your last viewed answer within an answer set using the breadcrumb link or Return button

New and Improved SciFinder Help

Streamlined SciFinder Help enhances and guides your learning experience.

Suggested workflows and interactive navigation maps quickly guide you to step-by-step instructions on how to use a specific feature. And many SciFinder features are also demonstrated with short video tutorials. View a narrated tutorial on the new Help.


View a short e-seminar overview of all the enhancements in this update. (WebEx e-seminar 13 minutes)


New SciFinder® Features Help Scientists Increase Productivity (September 2012)

The latest update improves precision and evaluation of reaction answer sets, and allows easier collaboration with other SciFinder users.

More Precise Reaction Answer Sets

  • A new default role (reactant) assigned to substances or fragments to the left of the reaction arrow improves the precision of reaction searches. (The former default role of reactant/reagent is still an option.)


Group Reaction Answers by Transformation

  • Quickly evaluate synthesis options and preferred pathways by grouping single-step reaction answers by transformation type.
  • Classify answers in a way that is meaningful to synthetic chemists.
  • Easily manage and evaluate large, comprehensive answer sets.
  • Take advantage of hundreds of common transformation types.



Share SciPlanner™ Plans

  • Collaboration is easier than ever with new Export/Import options that let you share your SciPlanner plans with other SciFinder users.
  • Export a plan locally in the new SciPlanner exchange format (.pkx) and email or share the file with a colleague.
  • Collaborators or colleagues can open your plan using the new Import feature.




New SciFinder Enhancements Provide Convenient Access to Content (April 2012)

The latest update of SciFinder debuts features that boost search convenience. The new features include direct searching of substance properties, converting CAS Registry Number® identifiers to structures, and convenient preview of substance and reference answer sets with Quick View.   

Property Search

SciFinder now enables users to search substances by individual experimental or predicted property. Researchers can target substances with a particular property value or range of values in the CAS REGISTRYSM, which contains more than 70 million substances characterized by 3.8 billion experimental and predicted properties.

SciFinder Substance Property search

Convert CAS Registry Number to Structure SciFinder Add to Editor icon

Structure searching has been made easier by the convenience of inputting a CAS Registry Number to the structure editor. As an alternative to drawing a structure, a CAS Registry Number is entered by using the Add to Editor function.

SciFinder CAS Registry Number to structure conversion 

The editor displays the associated chemical structure, which can then be used or easily modified for a structure, reaction or Markush search.

SciFinder conversion of Registry Number to structure 

Preview Substance and Reference Answer Sets with Quick View SciFinder Quick View icon

From multiple locations in SciFinder, users can preview additional details about a substance or reference through use of Quick View. Working with answer sets is more efficient and convenient since Quick View is presented as a pop-up screen, enabling the user to remain in their current view.

Substance Quick View

Hover over an individual compound in a substance answer set and click the magnifying glass icon to see a substance Quick View, which contains additional information such as synonyms, molecular formula and source of registration.

SciFinder Substance answer set Quick View

Quick View is interactive. Click on the CAS Registry Number link to go directly to a Substance Detail page.

SciFinder Substance Quiock View example 

Reference Quick View

In a reference answer set, Quick View includes the full abstract, bibliographic information, ACS journal Table of Contents graphics, abstract graphics and structure images for up to the first 50 indexed substances.

SciFinder Reference answer set Quick View

SciFinder Reference Quick View example

Within a reference Quick View, click the reference title to go directly to the Reference Detail page. Full text access is also just a click away.

Quick View is available in other locations such as the Citations and indexed Substances sections of Reference Detail.

SciFinder Reference Citations Quick View   SciFinder Substance indexing Quick View