Veterinary steroid pharmaceuticals intermediate D-valine

Product Description：D - valine is with fluorine amine ester of intermediates.

Used as drugs raw materials and intermediates, also used in synthetic sweeteners revised

Used for biochemical research.

Acetyl - DL - valine as raw material, through acylation enzyme split, hydrochloric acid acidification precipitation D - valine crystal, then through recrystallization refined products.

Product Feature：Same product, less the impurity; Same impurity, less the quantity.

Product Specification / Models：In-house standard

Appearance: white or white crystalline powder

Assay:98.0%~101.0%     Specific rotation:-27.6~-29.0degree

State of solution:>=95.0%   Heavy metal:<=10ppm

Chloride:<=0.1%          Arsenic?:<=2ppm

Loss on drying:<=0.2%     Residue on ignition:<=0.2%

Application : D - valine is with fluorine amine ester of intermediates.

Used as drugs raw materials and intermediates, also used in synthetic sweeteners revised