Format
Chemical Draw Exchange Format
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.
- Format encoding
- Binary
- File extensions
-
cdx - Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- CambridgeSoft / CambridgeSoft
Internal signatures
Chemical Draw Exchange format
- Description
- Header: ASCII value "VjCD0100", followed by 4 reserved bytes (04 03 02 01) and 10 reserved bytes set to zero.
- Provenance
- Ongoing DROID research
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
566A4344303130300403020100000000000000000000- Endianness
- None
Changelog
-
V55
- Release date
- 4 January 2012
-
Added format
Chemical Draw Exchange Format: Outline entry added.
-
Added signature
Chemical Draw Exchange Format: Signature developed through PRONOM Research.