PDBx/mmCIF
Home
Dictionaries
Browse the PDBx/mmCIF Dictionaries
Current version (V5) PDBx/mmCIF
Development Version PDBx/mmCIF
Dictionary Definition Language V2
wwPDB Validation
Browse Other Dictionaries
IHMCIF
flrCIF
Previous PDBx/mmCIF V4
Original mmCIF
NMRIF/NMR-STAR
NMR Exchange Format (NEF)
SAS
NDB NTC
3DEM
Image mmCIF
Symmetry
Biosync
ModelCIF
Documentation
PDBx/mmCIF FAQ
PDBx/mmCIF User Guide
Format
Large Structures in PDBx/mmCIF
PDB to PDBx Format Correspondences
wwPDB PDBx/mmCIF Working Group
Software
Software resources
C++ Examples
Python Examples
Reference
File syntax
Dictionary organization
Atomic description
Molecular description
Reference List
Early history
Glossary
Downloads
Contact Us
Data Item
_database.code_CAS
Browse:
Dictionary
Category Groups
Data Categories
Data Items
Supporting Data
General
Item name
_database.code_CAS
Category name
database
Attribute name
code_CAS
Required in PDB entries
no
Used in currrent PDB entries
No
Item Description
The code assigned by Chemical Abstracts.
Data Type
Data type code
line
Data type detail
char item types / multi-word items ...
Primitive data type code
char
Regular expression
[][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
Related Items
Related Item Name
Relation Type
_database_2.database_id
replacedby
_database_2.database_code
replacedby
Aliases
Alias Item Name
Dictionary Name
Dictionary Version
_database_code_CAS
cif_core.dic
2.3