Avermectins price

Product name:Avermectins
CAS: 71751-41-2
Molecular Formula: C48H72O14(B1a)·C47H70O14(B1b)
Molecular Weight: 873.1
Product description:Appearance is light yellow to white crystalline powder, odorless. M.p. 155 ~ 157 ℃, vapor pressure 2 x 10-7 pa, relative density 1.16 (21 ℃). At 21 ℃ solubility: toluene 350 g/L, acetone, 100 g/L, 70 g/L isopropyl alcohol, chloroform 25 g/L, 20 g/L ethanol, methanol, 19.5 g/L, cyclohexane, 6 g/L, kerosene 0.5 g/L, water 10 mu g/L. The distribution coefficient of 9.9 x 103. Stable under normal conditions, not hydrolyzed pH 5 ~ 9.Tag, stomach toxicity, high penetrability. It is a large ring lactone disaccharides compounds. Natural products isolated from soil microbial, the insects and mites have tag and stomach poison effect and have weak fumigation effect, no inner absorption effect.