appears_in:
- xlmod
contributor:
  email: cthoyt@gmail.com
  github: cthoyt
  name: Charles Tapley Hoyt
  orcid: 0000-0003-4423-4370
depends_on: []
deprecated: false
description: The MDL number contains a unique identification number for each reaction
  and variation. The format is RXXXnnnnnnnn. R indicates a reaction, XXX indicates
  which database contains the reaction record. The numeric portion, nnnnnnnn, is an
  8-digit number. [wikipedia]
example: MFCD00011659
example_extras: []
github_request_issue: 1311
homepage: https://en.wikipedia.org/wiki/Chemical_file_format#MDL_number
keywords: []
mappings: {}
name: Molecular Design Limited Hash
pattern: ^\w{4}\d{8}$
preferred_prefix: mdl
prefix: mdl
providers: []
publications: []
references:
- https://en.wikipedia.org/wiki/Chemical_file_format#MDL_number
synonyms: []
