Opening a CASCII File

The CASCII file type is primarily associated with CACTVS.

CASCII	File extension: CASCII
	File type:	Chemical ASCII Format

What is a CASCII file?

CASCII files mostly belong to CACTVS. Use our "Online CASCII Text Viewer" below to analyze your CASCII file and to see all text it contains.

How to open a CASCII file

You need a suitable software like CACTVS to open a CASCII file. You need a suitable software like CACTVS to open a CASCII file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CASCII file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CASCII file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CASCII Text Viewer

Choose your .cascii file to analyze

or drag and drop it here

Online File Viewer

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Trouble Opening a .CASCII File? These Steps Will Help

CASCII files can originate from various specialized workflows and aren't universally openable.

Identify the Source: If received from a computational chemist or bioinformatics researcher, it is likely a Chemical ASCII Format file used for molecular modeling.
Check the Header: Open the file in a text editor or hex viewer to inspect the first few lines.
- Readable XML/JSON or atom data suggests a plain-text chemical format.
- "PK" or magic bytes may indicate a compressed archive or compiled CACTVS binary.
Use the Original Software: You usually need the original program; try CACTVS tools, ChemAxon software, or ask the sender for the correct application.
Use this Webpage: Drag and drop your .CASCII file onto this page to detect its format, extract metadata, and preview contents.

Technical Data for CASCII File Extension

Related files:

cbin, ctab, itg

Related links:

NIH On-line Services

Mime type:

chemical/x-cactvs-binary

a cascii Chemical ASCII Format is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with CASCII files

Associate the CASCII file extension with the correct application.
Update your software that should actually open chemical ascii formats. Because only the current version supports the latest CASCII file format. Search, therefore, e.g. on the manufacturer website after an available CACTVS update.
To make sure that your CASCII file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CASCII file online - secure, fast, and no downloads needed.