N-Nitrosopyrrolidine (NPYR)

Safety Summary

Regulatory Status

Sources

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

• IARC Monographs Volume 17: Some N-Nitroso Compounds — NDMA Group 2A, NDEA Group 2A, NPYR Group 2B, NPIP Group 2B, NDBA Group 2B, NMEA Group 2B, NMBA Group 2B, N-Nitrosomorpholine Group 2B (1978, updated in Supplement 7, 1987) REGULATORY · 1978
• EFSA Panel on Contaminants in the Food Chain (CONTAM): Scientific Opinion on the Risk for Human Health Related to the Presence of Nitrosamines in Food — Group MOE approach for 10 priority nitrosamines in processed meat, fish, and other food categories; benchmark MOE 10,000 (2023) REGULATORY · 2023
• PROPOSITION 65 LIST OF CARCINOGENS OR REPRODUCTIVE TOXICANTS REGULATORY · 2026
• IARC Monographs, List of Classifications REGULATORY · 2026
• N-Nitrosopyrrolidine | CASRN 930-55-2 | DTXSID8021062 | IRIS | US EPA, ORD REGULATORY
• Substances Listed in the Fifteenth Report on Carcinogens REGULATORY
• where to look PubChem: Toxicity section (CID 13591) PUBCHEM
• EPA CompTox CTX API: predicted properties for DTXSID8021062 (N-Nitrosopyrrolidine (NPYR)) 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.