Phenobarbital

CAS 50-06-6 7 FDA-DMF suppliersSmall Molecule

Overview

Phenobarbital is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL40).

API suppliers (7)

Suppliers of Phenobarbital backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.

  • Alkaloida Chemical Company Zrt.Hungary2 active DMF
  • HARMAN FINOCHEM LTD2 active DMF
  • SIEGFRIED USA LLC1 active DMF
  • SIEGFRIED USA LLC1 active DMF
  • SIEGFRIED USA LLC1 active DMF
  • AMRI RENSSELAER INC
  • CHEMISCHE FABRIK BERG GMBHGermany

Patent & exclusivity (US)

Per the FDA Orange Book (1 approved US product), the latest listed US patent on Phenobarbital expires 6 Apr 2042 and exclusivity 17 Nov 2029. Generic API sourcing typically opens up once these lapse.

Chemical identity

IUPAC name
5-ethyl-5-phenyl-1,3-diazinane-2,4,6-trione
Canonical SMILES
CCC1(C(=O)NC(=O)NC1=O)C2=CC=CC=C2
InChIKey
DDBREPKUVSBGFI-UHFFFAOYSA-N

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