| Title:  Moxidectin CAS Registry Number:  113507-06-5 CAS Name:  (6R,23E,25S)-5-O-Demethyl-28-deoxy-25-[(1E)-1,3-dimethyl-1-butenyl]-6,28-epoxy-23-(methoxyimino)milbemycin B Additional Names:  23-methyloxime LL-F282249a;  (2aE,4E,5¢R,6R,6¢S,8E,11R,13S,15S,17aR,20R,20aR,20bS)-6¢-[(E)-1,3-dimethyl-1-butenyl]-5¢,6,6¢,7,10,11,14,15,17a,20,20a,20b-dodecahydro-20,20b-dihydroxy-5¢,6,8,19-tetramethylspiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq]benzodioxacyclooctadecin-13,2¢-[2H]pyran]-4¢,17(3¢H)-dione 4¢-(E)-(O-methyloxime) Manufacturers' Codes:  CL-301423 Trademarks:  Cydectin (Fort Dodge);  Equest (Fort Dodge);  Proheart 6 (Fort Dodge);  Quest (Fort Dodge);  Vetdectin (Fort Dodge) Molecular Formula:  C37H53NO8 Molecular Weight:  639.82 Percent Composition:  C 69.46%, H 8.35%, N 2.19%, O 20.00% Literature References:  Semisynthetic macrolide antibiotic; 23-methyloxime analog of nemadectin, q.v..  Prepn:  B. M. Bain et al., EP 237339 (1987 to Glaxo); G. Asato, D. J. France, EP 259779 (1988 to Am. Cyanamid).  Efficacy in cattle against lice:  J. D. Webb et al., J. Econ. Entomol. 84, 1266 (1991); against gastrointestinal nematodes:  G. L. Zimmerman et al., Am. J. Vet. Res. 53, 1409 (1992); J. C. Williams et al., Vet. Rec. 131, 345 (1992); against psoroptic mange:  J. F. Lonneux, B. Losson, Vet. Parasitol. 45, 147 (1992).  Environmental effects on dung-burying beetles:  G. T. Fincher, G. T. Wang, Southwest. Entomol. 17, 303 (1992). Therap-Cat-Vet:  Anthelmintic; antiparasitic.  |