Computational Chemistry
ChemReader: Automated Structure Extraction

ChemReader: Automated Structure Extraction

ChemReader extracts chemical structures from raster images using modified Hough transform and chemical spell checking …

Computational Chemistry
Optical chemical structure recognition example

IMG2SMI: Translating Molecular Structure Images to SMILES

Campos & Ji's method for converting 2D molecular images to SMILES strings using Transformers and SELFIES representation.

Computational Chemistry

Kekulé: OCR-Optical Chemical Recognition

A seminal 1992 system for Optical Chemical Structure Recognition (OCSR) using neural networks and heuristic graph …

Computational Chemistry

OCSR Methods: A Taxonomy of Approaches

Overview of optical chemical structure recognition methods organized by approach, from deep learning to rule-based …

Computational Chemistry
Early optical recognition system converts scanned chemical diagrams to connection tables

Optical Recognition of Chemical Graphics

A 1993 prototype system for converting scanned chemical diagrams into connection tables using vectorization and …

Scientific Computing
Grid of complex molecular structures rendered from SELFIES and SMILES strings

Molecular String Renderer: Robust Visualization Tool

A robust, type-safe Python library for converting chemical strings (SMILES, SELFIES, InChI) into publication-quality …

Computational Chemistry
D-glucose open-chain aldehyde form converting to beta-D-glucopyranose ring form, illustrating ring-chain tautomerism

InChI and Tautomerism: Toward Comprehensive Treatment

Dhaked et al.'s comprehensive analysis of tautomerism in chemoinformatics, introducing 86 new tautomeric rules and their …

Computational Chemistry
2D molecular structure diagram of tricyclohexylphosphine showing a central phosphorus atom bonded to three cyclohexyl groups

InChI: The Worldwide Chemical Structure Identifier Standard

Heller et al. (2013) explain how IUPAC's InChI became the global standard for representing chemical structures, its …

Computational Chemistry
Crystal structure of Na8Si46 clathrate displaying dodecahedral and tetrakaidecahedral coordination polyhedra

Making InChI FAIR and Sustainable for Inorganic Chemistry

InChI v1.07 modernizes chemical identifiers for FAIR principles and adds robust support for inorganic compounds.

Computational Chemistry
A cobalt sulfate and ethylenediamine mixture being prepared

Mixfile & MInChI: Machine-Readable Mixture Formats

Mixfile and MInChI provide the first standardized, machine-readable formats for representing chemical mixtures.

Computational Chemistry
Colorized electron microscope image of nanostructured indium phosphide surface showing spatially oriented cubic crystallites

NInChI: Toward a Chemical Identifier for Nanomaterials

NInChI (Nanomaterials InChI) extends chemical identifiers to represent complex, multi-component nanomaterials.

Computational Chemistry
Benzene in SELFIES notation

Recent Advances in the SELFIES Library (2023)

Major updates to the SELFIES library, improved performance, expanded chemistry support, and new customization features.