Phenibut
Molecular structure via molpic
Conformer structure via 3Dmol.js
Molecular formula	C10H13NO2[1]
Molecular mass	179.22 g/mol[1]
Predicted LogP	-1.6[1]
Chirality	racemic[2]

Identifiers []
IUPAC name	4-amino-3-phenylbutanoic acid[1]
SMILES	C1=CC=C(C=C1)C(CC(=O)O)CN[1]
InChI	InChI=1S/C10H13NO2/c11-7-9(6-10(12)13)8-4-2-1-3-5-8/h1-5,9H,6-7,11H2,(H,12,13)[1]
InChIKey	DAFOCGYVTAOKAJ-UHFFFAOYSA-N[1]

Dosing
Elimination half-life	5.3 hours (250 mg)
Duration of action	15–24 hours (1–3 g)

Oral []
Threshold	0.5 - 1 g
Light	1 g
Common	1 - 2 g
Strong	2 - 3 g
Heavy	3 - 4 g

Statistically derived dosages by Sernyl

Phenibut

Phenibut (also known as 4-Amino-3-phenylbutanoic acid, Fenibut, 4-Amino-3-phenylbutyric acid, PhGaba, Phenylγ, pheniγ, Fenigam, Fenigama, Phenigam or Phenylgam) is a substance of the gabapentinoid class.

Chemistry

Stereochemistry

(RS)-Phenibut is a racemic mixture of the optical stereoisomers

Legal status

• Australia: Phenibut is a S4 substance.
• Canada: Phenibut is a Unscheduled substance.
• Germany: Phenibut is a NPSG substance.
• United States: Phenibut is a Unapproved drug; use in dietary supplements, food, or medicine is unlawful. substance.
• United Nations: Phenibut is a Unscheduled substance.

See also

• Substituted gabapentinoids
• Anodyne