Observed arrival · 2026-10-16
Precursor DB: 224 compounds, searchable
A compound database with regulatory-list filters and structure-based search.
○Open
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$Paid
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- People checking compounds against regulatory lists
- Worth noticing
- The interface offers structure searches by similarity or substructure, alongside a directory labeled as containing 224 compounds.
Field notes
The visible directory organizes compound records with CAS numbers and multiple tags, including regulatory lists and precursor categories. Search can be text-based or drawn as a structure, with separate similarity and substructure options; the results are paginated. The homepage does not identify the data sources or explain how often records are checked or updated.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
◎NicheUnusually specific use
One card from the complete issue