2026 Impact Factor
4.3
Released June 2026 · Based on 2025 citation data
↑ 0.8 (+22.9%) vs last year
Metric year 2025
Released
Metric year 2024
| Category | Indexes | Quartile |
|---|---|---|
| MEDICINE, LEGAL | SCIE | Q1 |
| PHARMACOLOGY & PHARMACY | SCIE | Q2 |
| TOXICOLOGY | SCIE | Q2 |
Regulatory Toxicology and Pharmacology's newest impact factor is 4.3, released June 17, 2026 and based on 2025 citation data. The journal is listed as JCR Q1 in this Journal Metrics record.
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Ranked #885 in Biology & Basic Science by impact factor and #766 among Q1 Biology & Basic Science journals. This context helps compare Regulatory Toxicology and Pharmacology against journals publishing in the same field.
Published 716 papers across the last 5 recorded years with a current impact factor of 4.3.
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