阿维菌素

AVERMECTIN (ABAMECTIN)

Origin 

Avermectin is a liquid fermentation product of Streptomyces avermitilis and it is a mixture of Avermectin B_1a and B_1b.

 Formula and molecular Weight       

B_1a ：  C₄₈H₇₂O₁₄=872.1

B_1b ：  C₄₇H₇₀O₁₄=858.1

Ingredients: The purity of B1 is at least 95% and B1a is not less than 90% as well.

Description: This product is white or yellowish- white crystalline powder.

Solubility:  It’s melting point is 157-162℃.

Avermectin is easily soluble in ethyl acetate, acetone and chloroform, slightly soluble in hexane and petroleum ether, but unsoluble in water.

Usage  

The product is an antibiotic agent, which is active against nematodes, insects, mites etc. Injection and tablet made from the product are indicated for the treatment of gastrointestinal nematodes, hyproderma bovis, hyproderma lineatum, sheep nose bot, psoroptes ovis,  sarcoptes scabiei var suis, sarcoptes ovis etc. Recommended dosage:0.2-0.3mg/kg b.w. avermectin. The product can be formulated as insecticides and miticides used in crop protection, which is efficacious against mites, diamondback worm, common cabbage worm, leafminers, psylla, nematodes etc.

 Storage 

Sealed tightly,stored away from light in a cool and dry place.

Shelf life: 2 years

Established in October 2008, located in the development zone of Raoyang County, Hebei Province, 1 hour distance by car from the provincial capital city Shijiazhuang and 2 hours from Beijing, Richberyl Biotech Co.,ltd is a manufacturer of veterinary raw materials . The total company site covered 27,000m2 ,The workshops occupied 2,100 m2 , Quality department occupied 580 m2 and the warehouse occupied 390 m2. The first project investment accumulated to RMB38,000,000.0. There are 2 production lines build, the Refining-Drying-Packing workshop compliy with class 100,000.0. The Synthesis workshop