Acetaminophen (APAP)

CAS: 103-90-2 | Type: active_pharmaceutical

Low Risk (Adults)

Safety Summary

Hazard Profilehazardous

Risk (Adults)Low

Risk (Children)Low

Risk (Dogs)Moderate

Risk (Cats)Extreme

Regulatory Status

SummaryIARC: Group 3

Molecular FormulaC8H9NO2

Molecular Weight151.16

Sources

These citations are the ones recorded for the human adult context.

FDA: Acetaminophen (APAP) OTC Drug Facts Labeling and Safety Review REGULATORY · 2023
IARC Monographs, List of Classifications REGULATORY · 2026
identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
where to look PubChem: Toxicity section (CID 1983) PUBCHEM
TEDX List of Potential Endocrine Disruptors, full export (Excel from the publisher's own search, operator-saved 2026-10-08; list last updated September 2018) REFERENCE_DATABASE
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
EPA CompTox CTX API: predicted properties for DTXSID2020006 (Acetaminophen (APAP)) REFERENCE

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

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