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Format

Chemical Draw Exchange Format

Download XML

Summary

Name
Chemical Draw Exchange Format
Identifiers
  • MIME: chemical/x-cdx
  • PUID: fmt/378
Format type
Image (Vector)
Description
The Chemical Draw Exchange Format is the native format of ChemDraw software, a molecule editor developed by CambridgeSoft for use on Macintosh and Windows platforms. The format is used to store accurate chemical drawings and molecular data in a tagged binary format.
File extensions
cdx
Source
Digital Preservation Department / The National Archives
Developed by
CambridgeSoft / CambridgeSoft

Internal signatures

Chemical Draw Exchange format

Note
Header: ASCII value "VjCD0100", followed by 4 reserved bytes (04 03 02 01) and 10 reserved bytes set to zero.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
566A4344303130300403020100000000000000000000
Endianness
None

Changelog

  • Added in V55

    Release date
    4 January 2012

    Chemical Draw Exchange Format: Signature developed through PRONOM Research.

    Chemical Draw Exchange Format: Outline entry added.