Microcystin-YR

Safety Summary

Regulatory Status

Sources

No citations are recorded specifically for the human adult context, so the record-wide source list is shown. It backs the record, not this particular band.

• WHO Drinking Water Quality Guidelines Cyanotoxins 2020: Microcystin-YR Tyrosine-Arginine Variant PP1 PP2A Inhibitor LD50 ~70-100 μg/kg; MC-LR Equivalent Framework; Co-occurs Microcystis Blooms; Not Carcinogenicity Classified REGULATORY · 2020
• Guidelines for drinking-water quality: fourth edition incorporating the first, second and third addenda REGULATORY
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• Permissible Exposure Limits – OSHA Annotated Table Z-1 REGULATORY
• PubChem computed properties for CID 6437088 (computed, not measured; as recorded by PubChem) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID00880086 (Microcystin-YR) REFERENCE
• PubChem computed structure descriptors for CID 6437088 (computed, not measured; as recorded by PubChem) DATABASE · 2026

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.