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Catalogue Number:C988133
Chemical Name:25-Cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-oxo-avermectin A1a
CAS Number:220119-16-4
Molecular Formula:C₅₀H₇₄O₁₄
Appearance:White to Light Yellow Solid
Melting Point:>135ºC (dec.)
Molecular Weight:899.11
Storage:-20°C, Hygroscopic
Solubility:Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:25-Cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-oxo-avermectin A1a is an intermediate in synthesizing 4'-O-2,6-Dideoxy-3-O-methyl-a-L-arabino-hexopyranosyl Selamectin (D440100), which s an impurity of Selamectin (S247990), a topical parasiticide. Selamectin (S247990) is also used as a veterinary antihelminithic agent on animals.
References:Eshar, D., et al.: J. Am. Veterin. Med. Association., 241, 1056 (2012); Geis-Asteggiante, L., et al.: J. Chromatograph., 1258, 43 (2012);
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