Nomenclature
Phenibut Synonyms & Nomenclature
A single compound often carries many names across chemistry, regulation, and history. For accurate documentation it helps to know which names refer to Phenibut and how they relate.
Systematic and common names
- IUPAC (free base)4-amino-3-phenylbutanoic acid
- IUPAC (HCl salt)4-amino-3-phenylbutanoic acid hydrochloride
- Common namePhenibut
- Descriptive namesβ-Phenyl-γ-aminobutyric acid; β-phenyl-GABA; phenyl-GABA
- TransliterationFenibut (from the Russian)
National / brand names
In countries where the compound has a pharmaceutical history it has appeared under names such as Noofen and Anvifen. These are referenced here only as nomenclatural facts, not endorsements or product claims.
Why the names differ
“Phenibut” is a contraction reflecting the phenyl-substituted GABA (aminobutyric acid) structure. The systematic name locates the substituent precisely (3-phenyl, 4-amino). See the chemical reference and molecular structure pages.
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