Narasin Chemical formula
Synonyms: Compound 79891; Lilly-79891; Narasina; Narasine; Narasinum. 2-(6-{5-[2-(5-Ethyltetrahydro-5-hydroxy-6-methylpyran-2-yl)15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[]pentadec-13-en-9-yl]-2-hydroxy-1,3-dimethyl-4-oxoheptyl}tetrahydro-3,5-dimethylpyran-2-yl)butyric acid.
Cyrillic synonym: Наразин.

Chemical information

Chemical formula: C43H72O11 = 765.0.
CAS — 55134-13-9.
ATC Vet — QP51AH04.


In US for veterinary use only.

USP 31

(Narasin Granular). It contains narasin mixed with suitable carriers and inactive ingredients prepared in a granular form that is free-flowing and free of aggregates. Narasin is a white to off-white crystalline powder. Soluble in water and in methyl alcohol.


Narasin, an antibiotic produced by Streptomyces aureofaciens, is an antiprotozoal used in veterinary practice for the prevention of coccidiosis in chickens.
Published December 08, 2018.