Regulation: control status by country
Domestic control status of a substance in a country (narcotic, psychotropic, prescription-only) from official sources.
ammonia N-13: status by country
- United Statesprescription only
Source: openFDA NDC · record 01a1208c-4d6b-7495-b5f1-d8162dddaa5c,01a1208c-5897-76b0-8162-a3e0682bde17,01a1208c-72a1-7c3e-a078-43c42014429c,01a1208c-d46b-75a7-88d4-2acee10434b5,01a1208d-a669-76ba-9b18-d261063ca105;count=19 · valid from 2026-10-09 · verified 2026-10-09