FDA drug class
Nitrogen Binding Agents list
Every FDA-approved prescription drug the FDA NDC directory tags with the Nitrogen Binding Agent [EPC] class, with brand names and DEA schedules.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
The FDA NDC directory lists 2 single-ingredient drugs in this class: glycerol phenylbutyrate, sodium phenylbutyrate. Another 1 combination product include one of them.
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Nitrogen Binding Agents (3)
| Drug | Brand names | Type | NDC listings | DEA schedule |
|---|---|---|---|---|
| Glycerol phenylbutyrate | Ravicti | Single ingredient | 10 | Not controlled |
| Sodium phenylbutyrate | Buphenyl, Pheburane | Single ingredient | 8 | Not controlled |
| Sodium phenylacetate and sodium benzoate | None listed | Combination | 10 | Not controlled |
FDA established pharmacologic class: Nitrogen Binding Agent [EPC].
Questions
What drugs are Nitrogen Binding Agents?
The FDA NDC directory lists 2 single-ingredient drugs in this class: glycerol phenylbutyrate, sodium phenylbutyrate. Another 1 combination product include one of them.
Where does this list come from?
From the established pharmacologic class (EPC) field FDA publishes for each listing in the NDC directory. A drug is listed when most of its prescription listings carry the class.