Narasin

Narasin is a coccidiostat and antibacterial agent.[1][2] It is a derivative of salinomycin with an additional methyl group.

Narasin

Clinical data
Other names	(4S)-4-methyl-salinomycin
AHFS/Drugs.com	International Drug Names
ATCvet code	QP51AH04 (WHO)
Identifiers
IUPAC name (2R)-2-[(2R,3S,5S,6R)-6-[(1S,2S,3S,5R)-5- [(2S,5S,7R,9S,10S,12R,15R)-2-[(2R,5R,6S)-5-ethyl-5-hydroxy-6-methyl-2-tetrahydropyranyl]-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro[4.1.5^7.3^5]pentadec-13-en-9-yl]-2-hydroxy-1,3-dimethyl-4-oxoheptyl]-3,5-dimethyl-2-tetrahydropyranyl]butanoic acid
CAS Number	55134-13-9^Y
PubChem CID	65452
ChemSpider	58911
UNII	DZY9VU539P
CompTox Dashboard (EPA)	DTXSID2046707
ECHA InfoCard	100.122.892
Chemical and physical data
Formula	C43H72O11
Molar mass	765.038 g·mol^−1
3D model (JSmol)	Interactive image
SMILES O=C([C@@H](C)[C@@H](O)[C@H](C)[C@]5([H])O[C@]([C@@H](CC)C(O)=O)([H])[C@@H](C)C[C@@H]5C)[C@H](CC)[C@@]1([H])O[C@@]2(O[C@@]3(CC[C@]([C@]4([H])O[C@@H](C)[C@@](O)(CC)CC4)(C)O3)[C@H](O)C=C2)[C@H](C)C[C@@H]1C
InChI InChI=1S/C43H72O11/c1-12-30(35(46)27(8)34(45)28(9)36-23(4)21-24(5)37(51-36)31(13-2)39(47)48)38-25(6)22-26(7)42(52-38)18-15-32(44)43(54-42)20-19-40(11,53-43)33-16-17-41(49,14-3)29(10)50-33/h15,18,23-34,36-38,44-45,49H,12-14,16-17,19-22H2,1-11H3,(H,47,48)/t23-,24-,25-,26+,27-,28-,29-,30-,31+,32+,33+,34+,36+,37+,38-,40-,41+,42-,43-/m0/s1 Key:VHKXXVVRRDYCIK-CWCPJSEDSA-N
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References

1. Gerhold RW, Fuller AL, Lollis L, Parr C, McDougald LR (March 2011). "The efficacy of anticoccidial products against Eimeria spp. in northern bobwhites". Avian Diseases. 55 (1): 59–64. doi:10.1637/9572-101310-Reg.1. PMID 21500637. S2CID 30943649.
2. Fitzgerald PR, Mansfield ME (July 1989). "Effects of inoculations with Eimeria zuernii on young calves treated with decoquinate or narasin with or without dexamethasone". American Journal of Veterinary Research. 50 (7): 1056–9. PMID 2774323.