CAS & Regulation Lookup

About

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!