|CDX Constant Name:||kCDXProp_RegistryNumber|
|CDX Constant Value:||0x000B|
|Property of objects:||kCDXObj_RegistryNumber|
|First written/read in:||(not written/read)|
A registry or catalog number of a molecule object.
This attribute and other similar attributes for pre-defined registry numbers are intended for chemical structures in a database. Such attributes might be lost when the reader program has structure editing capability.
If this property is absent:
This property is not read (or written) by ChemDraw, but is defined for future compatibility. There is no consequence to omitting it.