Chemistry

PubChem lets users search chemical information by name, molecular formula, structure and other identifiers.

ColabFit Exchange supports materials science by helping users discover, explore, and submit datasets for machine learning interatomic potentials.

Name-Reaction.com provides information about organic chemistry name reactions and their mechanisms.

Chemistry Steps provides organic chemistry study materials, practice problems, summary sheets and multiple-choice quizzes.

The Organic Chemistry Portal summarizes recent literature and resources about organic chemistry reactions.

The LibreTexts Chemistry library presents online instructional material organized into topics and sections.

A Hacker News discussion of ChemCrow, a paper about augmenting large language models with chemistry tools.

Chemistry examples from Wolfram Alpha cover data and computations for compounds, reactions, thermodynamics, quantum chemistry, and more.

Revision Science provides free GCSE and A-Level revision resources for biology, chemistry, physics, and combined science.

ChemTube3D teaches chemistry through interactive 3D animations of molecular structures and reactions.

CommonOrganicChemistry provides mechanisms, procedures and details for commonly encountered organic chemistry reactions.

PeriodicVideos shares short videos about each element in the periodic table and links to related science video channels.

Browse preprints and supporting information in chemistry and nanotechnology through the Beilstein Archives.

ARKIVOC provides chemistry journal content, with browsing and search for articles and conference material.

Organic Synthesis Search lets users browse chemical transformations by the desired bond formation.

ChemQuiz helps high school and introductory college students practice chemistry skills.

Organic Chemistry Data collects chemistry information, reference data, and resources and currently displays a site upgrade notice.

PhET provides free simulations for physics, chemistry, biology, earth science and mathematics.

The Basis Set Exchange provides downloadable basis sets for quantum chemistry in formats including NWChem and Gaussian.

Video-Tutor lists instructional videos on algebra, trigonometry, precalculus, calculus, chemistry, and physics.

Chemguide explains chemistry concepts for students in upper-level courses.

Zperiod is an educational web application with an interactive periodic table covering 118 elements, 3D atom models, ions, chemistry tools, and worksheet practice.

Store and share physical science data in Chempound, a web-based repository.

The NIST Chemistry WebBook provides online property data for chemical species.