Narasin is the main component of a polyether antibiotic complex produced by Streptomyces auriofaciens NRRL 5758 & NRRL 8092. Ionophoric antibiotic which inhibits coccidial infection in poultry and mammals. Coccidiostat; growth stimulant.Synonyms:(4S)-4-Methylsalinomycin; A 28086A; Antibiotic A 28086A; Antibiotic C 7819B; C 7819B; Monteban; Narasin A; NarasulCAS No:55134-13-9Molecular Formula:C₄₃H₇₂O₁₁Molecular Weight:765.03Appearance:White to Off-White SolidMelting Point:>100°C (dec.)Solubility:DMSO, MethanolStorage:-20˚C Freezer