SMILES to Formula and InChIKey with Atom Counts

What is the SMILES to Formula, InChIKey, and Element Counts Tool?

The SMILES to Formula, InChIKey, and Element Counts tool helps chemists and researchers convert SMILES (Simplified Molecular Input Line Entry System) into key chemical descriptors, including the molecular formula, InChIKey, and element counts.

A molecular formula shows the elemental composition of a compound, such as C₆H₁₂O₆, while the InChIKey provides a standardized and searchable identifier for chemical structures. The element counts output lists how many atoms of each element are present, making it easier to confirm composition and compare compounds.

This tool is useful for chemical database preparation, compound annotation, structure verification, and general chemoinformatics workflows. It supports both single and batch processing, allowing users to analyze up to 1000 compounds at once.

BioChemCalc's tool is browser-based, fast, and completely free to use. No registration is required, making it convenient for both education and research.