D-valine CAS No 640-68-6

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Product
D-valine CAS No 640-68-6
Posting date : Sep 30, 2014
Membership
Free Member Scince Sep 22, 2014
FOB Price
93$
Min. Order Quantity
100kilos
Supply Abillity
1~1.5 ton/month
Port
TIANJIN new port , QINGDAO port,BEIJING Cipital Airport。
Payment Terms
T/T L/C
Package
25kg/drum or 10kg/drum
Keyword :
Category
Contact
Nancy pan
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Product Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
BAOLIRUIHE
HS-CODE
0103-10
Package & Delivery Lead Time
Package
25kg/drum or 10kg/drum
Delivery Lead Time
promptly
Detailed 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.
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%
: D - valine is with fluorine amine ester of intermediates.
Used as drugs raw materials and intermediates, also used in synthetic sweeteners

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