# Lists — Regulatory chemical lists > One authoritative check against every regulatory list. Lists tracks 53,842 chemicals across 20 regulatory lists in 7 jurisdictions, including California Prop 65, ECHA REACH SVHC, IARC carcinogens, the NTP Report on Carcinogens, TSCA, and Stockholm POPs. It runs on a strict authoritative-source-only policy, so it never falls back to invented data. ## Key facts - **53,842** — chemicals tracked - **20** — regulatory lists · 7 jurisdictions - **49,527** — unique hazard substances ## What Lists does ### Authoritative source only Crawlers never fall back to hardcoded or invented entries, so the data you screen against is always real. ### 7 jurisdictions US, EU, and international lists in one place, so a global screen is a single check. ### Named lists you know Prop 65, REACH SVHC, IARC, NTP RoC, TSCA, Stockholm POPs, and more, kept current. ## Works closely with - [Crawler](https://toxindex.com/platform/crawler.md): Regulatory document search engine - [Sage](https://toxindex.com/platform/sage.md): Conversational answer engine ## Frequently asked questions **What does Lists track?** Lists tracks 53,842 chemicals across 20 regulatory lists in 7 jurisdictions, including California Prop 65, REACH SVHC, IARC, and TSCA. **Can Lists guess or invent an entry?** No. Lists runs on a strict authoritative-source-only policy and never invents an entry, so a compliance check always rests on real regulatory data. **Can I browse Lists directly?** Yes. The full dataset is browsable at lists.toxindex.com. --- Canonical page: https://toxindex.com/platform/lists