Superiority:
Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals.
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1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support
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Details:
Appearance White to off-white amorphous powder,no visible evidence of contamination by foreign matter
Identification A(IR) IR spectrum corresponds to the IR spectrum of the reference standard
Identification B(HPLC) The retention time of the major peak(A3&A4)of sample solution corresponds to that of the standard solution
Residue Ignition ≤0.2%
Heavy metals ≤20ppm
Water ≤2.0%
Milbemycin oxime Assay(A3$A4,on the anhydrous and solvent-tree basis) ≥95%
Related Substance Milbemycin D-Oxime ≤2.0%
Largest individual impurity ≤0.5%
Total impurities (Exclude MilbemycinD-Oxime ) 3.5%
Residual solvents Ethanol ≤5000ppm
Butyl acetate ≤5000ppm
Dichloromethane ≤600ppm
N-heptane ≤5000ppm
Chloroform ≤60ppm
Bioburden Total aerobic microbial count ≤500 cfu/g
Total combined yeast and Mould ≤100 cfu/g
Escherichia coil Should be absent
Particle Size -----------