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ACD/Labs Chemical Nomenclature Service

Thank you for your interest in the ACD/Labs chemical nomenclature service. Please take a moment to fill out this form, as doing so will greatly reduce the chance of ambiguity.

Note: fields marked by * are mandatory.

Choose the following options for configurations of stereo centers.

Stereo configuration of the whole structure is:

Stereo configuration of double bonds:

In regard to composition for multicomponent structures (i.e., number of each component in the compound), the composition is:

It is sometimes important to define the treatment of tautomeric structures, especially for CAS names. Tautomeric and mesomeric forms are:

Preferred naming style

Some structures can be named according to pure organic rules and also according to biochemical nomenclature. In this case, I prefer:

Please add any other comments you feel are needed to define specific details of the compound.

Please attach your structure(s) as a file

We accept almost any file format: MDL molfiles, ChemDraw CHM and CDX, ISIS/Draw SKC, ISIS/Base DB, and ChemSketch SK2 files, as well as high quality graphical images.

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