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If you know the compound Id (PCN, CN, LN or LnbRef) you can look for your compound just using the quick search on the Compound Registration navigation ba...

All Ids (from parent, version, and lot level) are kept if the structure change is performed on the parent level unless the structure already exists in the D...

Structures with R-groups or with specified repeating units are considered Markush structures. In order to register such compounds a separate (Markush) licen...

Please check the server log file for missing license errors, because some generated fields might require additional calculator licenses. You can also check...

No separate JChem Cartridge license is needed. The database storing of the Registry contains normal JChem tables and these can be directly joined to other J...

When registering "Polymer" structure type compounds Validation error with "Polymer contains non-monomer component" can be received if t...

On the Salts & Solvates Administration Settings page, you can set the fractional precision for salt and solvate multiplicities. The default is 0 for sal...

Salts and solvates are only extracted from the registered compound structures and stored properly as version components when they are already registered in ...

The Compound Registration system is set by default in a way to check the overall charge of the submitted compound structure and its salts/solvates to be neu...

Marvin applet and ChemDraw are supported until Compound Registration version: 21.20.0. For ChemDraw, you would also need a valid installation on your comput...