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One Molecule with Disconnected Parts
Can I specify a single molecule object with multiple disconnected parts in a Ketcher file? Yes, you can specify a single molecule object with multiple disconnected parts in a Ketcher file. Here is a simple example of Ketcher file with a single "molecule" object of a 4-carbon chain. But the bond betw...
2024-01-31, 214🔥, 0💬

What Is Ketcher File Format
What is Ketcher File Format? A Ketcher file is a JSON document that stores the entire content created in the Ketcher editor. It supports the following features: Supports molecule 3-D structures. Supports chemical reactions. Supports styled text labels. Supports S-Groups. Here is a simple example of ...
2024-02-11, 212🔥, 0💬

Molecule with Substituted Functional Group
How to specify a S-Group (Substituted Functional Group) in a molecule structure in Ketcher file format? There are 2 options to specify a S-Group (Substituted Functional Group) in a molecule structure: 1. Specify S-Group without Group Substructure: Just replace the atom symbol at the s-group attachin...
2024-02-28, 198🔥, 0💬

Scaling Issue on Importing Ketcher File
Why is my reaction schema scaled badly when imported from the Ketcher editor UI? The Ketcher editor UI seems to have a code bug. When a reaction schema stored in a Ketcher file is imported from the editor user interface, atom locations and the reaction arrow may be scaled down or up when mapping to ...
2024-01-31, 198🔥, 0💬

Adding Text Labels in Ketcher File
How to add text labels in a Ketcher file? You can insert a "text" object structure into the "nodes" array to add a text label in a Ketcher file as shown below: { "type": "text", "data": { "content": &lt;text-definition&gt ;,"position": &lt;location-object&gt ;,"pos": &lt;bounding...
2024-02-28, 196🔥, 0💬

Export Ketcher File from Editor
How to export structure from Ketcher editor in Ketcher file format? The best way to learn the Ketcher file format is to export different types of chemical structures for the Ketcher editor in Ketcher file format as described below: 1. Open Ketcher editor as shown in previous tutorials. 2. Select the...
2024-03-23, 195🔥, 0💬

Bond Type Codes in Ketcher File
What are bond type codes supported by Ketcher file? Ketcher file supports the following bond type codes: Single bond - "type": 1 Double bond - "type": 2 Triple Bond - "type": 3 Any bond - "type": 8 Aromatic bond - "type": 4 Single/double bond - "type": 5 Single/aromatic bond - "type": 6 Double/aroma...
2024-02-18, 188🔥, 0💬

Molecule Structure with Directed Bonds
How to specify a directed bond at a stereocenter in a molecule structure in Ketcher file format? You need to use the optional "stereo" property to specify a directed bond at a stereocenter in a molecule structure. For example: "stereo": 1 - for a upward bond "stereo": 6 - for a downward bond Note th...
2024-03-07, 185🔥, 0💬

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