Universal cheminformatics toolkit, utilities and database search tools

A Python wrapper for the Chemistry Development Kit (CDK)

chemical identifiers (CAS, PubChemID, SMILES,InChI, InChI keys, names) from text search

Bioclipse Cheminformatics Feature

R functionalites for ChemSpider's new API services

specification extension to InChi to better support isotopologue reporting

A tool to deconstruct MarkInChi codes. It only understands a small subset of a draft of a MarkInChI syntax, and does not make use of the pseudo-element facility (Zz) of InChI v1.06

InChI for NodeJS/TypeScript

Small web-app allowing interactive vizualization of how chemical string and files like SMILES, InChi and .mol/.sdf are created

A website which converts an InChI key for a chemical into a QR code which directs to its relevant PubChem page