C12H12N2O3
232.23 g/mol
APIDanger
Phenobarbital
CAS50-06-6EC200-007-0
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Phenobarbital is an active pharmaceutical ingredient used as an anticonvulsant and sedative. It is a controlled substance under DEA Schedule IV and is available as the sodium salt for improved water solubility.
Anticonvulsant active ingredientSedative active ingredientLaboratory reagent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 50-06-6
Related Compounds
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CAS50-07-7
pharmaceutical raw material
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CAS50-13-5
pharmaceutical raw material
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CAS50-14-6
pharmaceutical raw material
ReferenceSame Category
(RS)-cyclophosphamide
CAS50-18-0
pharmaceutical raw material
Referencestereoisomer of
Phenobarbital sodium
CAS57-30-7
pharmaceutical raw material
Referencesame scaffold
Mephobarbital
CAS115-38-8
pharmaceutical raw material
Referencesame scaffold
Phenylmethylbarbituric acid
CAS76-94-8
pharmaceutical raw material
Referencesame scaffold
5-(²H₅)Ethyl-5-(4-hydroxyphenyl)pyrimidine-2,4,6(1H,3H,5H)-trione
CAS111342-31-5
research compound
Safety Reference
Danger
H301Toxic if swallowed
H317May cause an allergic skin reaction
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H350May cause cancer
H336May cause drowsiness or dizziness
H340May cause genetic defects
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Phenobarbital (CAS 50-06-6) is 2933.53.
HS code (international, 6-digit)
2933.53
EU CN code (8-digit)
2933 53 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-ethyl-5-phenyl-1,3-diazinane-2,4,6-trione
InChIKey
DDBREPKUVSBGFI-UHFFFAOYSA-N
SMILES
CCC1(C(=O)NC(=O)NC1=O)C2=CC=CC=C2
Synonyms (226)
- PHOB
- UQA
- Fenobarbital [INN-Spanish]
- Phenobarbital (JP18/USP/INN)
- Phenobarbital, United States Pharmacopeia (USP)
- Phenobarbitalum [INN-Latin]
- Acid, Phenylethylbarbituric
- Adonal
- Aephenal
- Agrypnal
- Amylofene
- Antrocol (Salt/Mix)
- Aphenylbarbit
- Aphenyletten
- Austrominal
- Barbenyl
- Barbidonna (Salt/Mix)
- Barbilehae (barbilettae)
- Barbinal
- Barbinol
- Barbiphen
- Barbiphenyl
- Barbipil
- Barbita
- Barbivis
- Barbonal
- Barbophen
- Bardorm
- Bartol
- Bialminal
- Blu-phen
- Bronkotabs (Salt/Mix)
- Cabronal
- Calmetten
- Calminal
- Cardenal
- Chardonna-2 (Salt/Mix)
- Chinoin
- Codibarbita
- Coronaletta
- Cratecil
- Damoral
- Dezibarbitur
- Donnatal (Salt/Mix)
- Donnazyme (Salt/Mix)
- Dormina
- Dormiral
- Dormital
- Doscalun
- Duneryl
- Elixir of phenobarbital
- Ensobarb
- Ensodorm
- Epanal
- Epidorm
- Epilol
- Episedal
- Epsylone
- Eskabarb
- Etilfen
- Euneryl
- Fenbital
- Fenemal
- Fenemal recip
- Fenobarbital
- Fenobarbitale
- Fenosed
- Fenylettae
- Gardenal
- Gardepanyl
- Glysoletten
- Haplopan
- Haplos
- Hennoletten
- Henotal
- Hypnaletten
- Hypnette
- Hypno-Tablinetten
- Hypnogen
- Hypnolone
- Hypnoltol
- Hysteps
- Kinesed (Salt/Mix)
- Lefebar
- Leonal
- Lephebar
- Lepinal
- Lepinaletten
- Levsin PB Drops and Tablets
- Linasen
- Liquital
- Lixophen
- Lubergal
- Lubrokal
- Lumen
- Lumesettes
- Lumesyn
- Luminal
- Luminal (TN)
- Lumofridetten
- Luphenil
- Luramin
- Mephobarbital M (nor)
- Methylphenobarbital, M(nor-)
- Molinal
- Monosodium Salt Phenobarbital
- Neurobarb
- Nirvonal
- Noptil
- Nova-Pheno
- Nunol
- PHENOBARBITAL CIV
- PHENOBARBITAL [MART.]
- PRIMIDONE IMPURITY B
- Parkotal
- Pharmetten
- Phen-Bar
- Phenaemal
- Phenemal
- Phenemalum
- Phenobal
- Phenobar
- Phenobarb
- Phenobarbital CRS - * psy
- Phenobarbital Oral
- Phenobarbital Oral Solution
- Phenobarbital RS - * psy
- Phenobarbitalum
- Phenobarbitol
- Phenobarbitone
- Phenobarbitonum
- Phenobarbituric acid
- Phenobarbyl
- Phenoluric
- Phenolurio
- Phenomet
- Phenonyl
- Phenoturic
- Phenylaethylbarbitursaeure
- Phenylbarbital
- Phenylethylbarbiturate
- Phenylethylbarbituric acid
- Phenylethylbarbitursaeure
- Phenylethylmalonylurea
- Phenyletten
- Phenyral
- Polcominal
- Promptonal
- Quadrinal (Salt/Mix)
- SK-Phenobarbital
- Seda-Tablinen
- Sedabar
- Sedicat
- Sedizorin
- Sedlyn
- Sedofen
- Sedonal
- Sedonal (sedative)
- Sedonettes
- Sedophen
- Sevenal
- Sodium, Phenobarbital
- Solfoton
- Solu-Barb
- Sombutol
- Somnolens
- Somnoletten
- Somnosan
- Somonal
- Spasepilin
- Starifen
- Starilettae
- Stental
- Stental Extentabs
- TEDRAL SUSPENSION
- Talpheno
- Tedral
- Tedral (Salt/Mix)
- Teolaxin
- Teoloxin
- Thenobarbital
- Theoloxin
- Triabarb
- Tridezibarbitur
- Triphenatol
- Versomnal
- Zadoletten
- Zadonal
- component of Antrocol
- component of Bronkotabs
- component of Hecadrol
- component of Primatene P
- component of Slowten
- component of Tedral
- component of Valpin 50-PB
- pheno
- phenobarbital
- phenobarbital (PB)
- theominal