Regulation: control status by country
Domestic control status of a substance in a country (narcotic, psychotropic, prescription-only) from official sources.
nitrogen: status by country
- United Statesprescription only
Source: openFDA NDC · record 01a1208c-466d-7d78-bc0d-a24d7345e186,01a1208c-467f-7678-8747-d3e9c4aa74e4,01a1208c-4680-7ade-811b-22a132bd6f3c,01a1208c-6488-78f4-bfb8-39d6ec9b1cfd,01a1208c-648a-73b2-9812-a4da7ec8e53f;count=138 · valid from 2026-10-09 · verified 2026-10-09