FreeChemDraw is a free online chemical structure editor for 2D molecules and reactions, live whole-structure or selected-fragment properties, Default/ACS styling, name-structure conversion, image recognition, CAS/formula/name lookup, and interactive 3D viewing. Export MOL, SMILES, PNG, or SVG with no installation.
Search Japanese classes across Japan by level, location, cost, and teaching language. Explore courses from local governments, nonprofits, and schools, plus curated learning resources for daily life in Japan.
KeywordRisk is a free keyword risk checking tool to identify hazardous, restricted, non-compliant and sensitive keywords. Supports chemical names and CAS number lookup for risk reference.
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