CAS & Regulation Lookup

Look up CAS numbers and global regulatory status for chemical substances.

Ultimate Productivity Tool for Chemical Researchers & Students! Tired of opening multiple tabs, searching PubChem, and digging through MSDS sheets just to find a CAS number or regulation status? ChemLookup integrates seamlessly into your workflow. Simply drag any chemical name or abbreviation on any webpage, right-click, and get instant access to critical chemical data in a sleek sidebar—without ever leaving your current tab! Key Features: • 1-Second Lookup: Drag text, right-click, and view data instantly. • Verified Data: Powered by the official PubChem API for hallucination-free, reliable results. • Essential Details At a Glance: Instantly displays Molecular Formula, CAS Registry Number, Synonyms, and direct source links. • 1-Click Copy: Click on any data field (like the CAS number) to copy it instantly to your clipboard. • 100% Free & Private: No sign-ups, no logins, and zero user data tracking. Perfect for: • Chemistry & Chemical Engineering undergraduate/graduate students. • R&D Researchers reviewing international patents and academic journals. • Lab technicians and compliance officers handling chemical materials. Streamline your research workflow and save hours of tedious searching every day. Install ChemLookup now!