Structure Data File

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== Identification ==
 
== Identification ==
  
SDF files are a concatenation of MOL files, each of them separated by a new line and the pattern '$$$$'. Consequently, SDF files end with the hexadecimal pattern '(0D|0A|0D0A)24242424'
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SDF files are a concatenation of [[MOL]] files, each of them separated by a new line and the pattern '$$$$'. Consequently, SDF files end with the hexadecimal pattern '(0D|0A|0D0A)24242424'
  
 
== Sample Files ==
 
== Sample Files ==

Latest revision as of 13:59, 21 August 2026

File Format
Name Structure Data File
Ontology
Extension(s) .sdf, .sd
MIME Type(s) chemical/x-mdl-sdfile
Wikidata ID Q28530510

The Structure Data File is one of several scientific data file formats known as SDF. It is a component of the CTab format for chemical and molecular data originally created by MDL Information Systems (MDL). For more detail, see CTab.

[edit] Specification

The current maintainer, BIOVIA, a company owned by Dassault Systèmes, publishes a specification for all its chemical table file formats, including SDF: CTFile Formats.

[edit] Identification

SDF files are a concatenation of MOL files, each of them separated by a new line and the pattern '$$$$'. Consequently, SDF files end with the hexadecimal pattern '(0D|0A|0D0A)24242424'

[edit] Sample Files

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