Free Chemical Tools

Practical free tools for chemists, buyers and students. Built by SKYSEVEN Chemical to help you look up CAS data, calculate molecular weight, convert units, dilute solutions and check common HS codes.

CAS Number Lookup

Search 80,000+ compounds by CAS number for formula and physical data.

Molecular Weight Calculator

Calculate molar mass from formulas like C4H10O2 or Ca(OH)2.

Unit Converter

Convert temperature, pressure and common lab units.

Dilution Calculator

Solve C1V1=C2V2 for stock volume or final concentration.

Formula Parser

Break formulas into element counts and mass percentages.

HS Code Reference

Look up common industrial chemical HS headings (reference only).

Why free tools?

Free B2B tools help the chemical community and create sustainable visibility for SKYSEVEN Chemical. If you find them useful, share or cite the tool page so others can discover them.

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SKYSEVEN Chemical Free Tools Suite. SKYSEVEN Chemical. Available at: https://www.cnchemshop.com/tools.html

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