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Professional chemistry calculators, interactive periodic table, and molecular tools.
Built for students, educators & professionals.
24 professional tools validated against industry standards
Interactive 3D visualization with CPK coloring and rotation controls
Drag-and-drop atoms with stability validation and shake animations
All 118 elements with complete NIST-validated data
pH, Gas Laws, Stoichiometry, Thermodynamics, and more
22 functional groups, 40 named reactions with mechanisms, and a reaction predictor
IR interpreter, NMR analyzer (¹H & ¹³C), and mass spectrometry tools
Radioactive decay, binding energy, quantum numbers, orbitals, and Bohr model
All features are completely free. No credit card, no trial limits.
VerChem is built with love by a small team. Your support helps us maintain servers and develop new features.
Learn More💚 Supported by donations from the chemistry community
All 118 elements with properties sourced from NIST and IUPAC standards. Accurate data you can trust.
Every calculation shows the work. Learn the process, not just the answer. Perfect for students.
No paywalls, no trials. Full access to all tools. Supported by donations from the community.
All tools, all features, completely free. Start learning chemistry today.