Structure via PubChem · Public domain (PubChem)
پیرازین
Sign in to saveAlso known as p-diazine, paradiazine, 1,4-diazine, pyz
Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C4H4N2. It is a symmetrical molecule with point group D2h. Pyrazine is less basic than pyridine, pyridazine and pyrimidine. It is a "deliquescent crystal or wax-like solid with a pungent, sweet, corn-like, nutty odour".
Chemical data
- Formula
- C4H4N2
- Molecular weight
- 80.09 g/mol
- IUPAC name
- pyrazine
- SMILES
- C1=CN=CC=N1
- InChIKey
- KYQCOXFCLRTKLS-UHFFFAOYSA-N
- XLogP
- -0.2
- Polar surface area
- 25.8 Ų
- H-bond donors
- 0
- H-bond acceptors
- 2
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Max clinical phase
- Phase 3
- Molecule type
- Small molecule
- Indications
- schistosomiasis
via ChEMBL · EBI
Wikidata facts
- Has part
- hydrogen
- Mass
- 80.037
- Image
- Sample of pyrazine.jpg
Show 8 more facts
- boiling point
- 115
- chemical formula
- C₄H₄N₂
- Commons category
- Pyrazine
- canonical SMILES
- C1=CN=CC=N1
- described by source
- Encyclopædia Britannica 11th edition
- pKa
- 0.65
- melting point
- 55
- found in taxon
- Nicotiana tabacum
via Wikidata · CC0