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Description du produit
Médical & Produits pharmaceutiques /  Médications Pharmaceutiques /  Autres Médications Pharmaceutiques / 
Information sur le fabricant
Société :
Shenzhen Shijingu Technology Co., Ltd
 
Adresse :
CambridgeGarden,Longgang District
 
Téléphone :
+86-755-61930356

.

D-Valine 640-68-6Molecular formula: C5H11NO2               Molecular structure:Molecular weight: 117.15CAS No.:640-68-6【Description】 White crystal or crystalline powder, soluble in water,dilute acid and dilute base,insoluble in ethanol and ether.【Specification】Assay: 98.5%~101.0% Specific Rotation [α]D20: -27.6°~ -29.0° Transmittance ≥98.0% pH: 5.5 ~ 6.5 Loss on Drying ≤0.20% Residue in Ignition ≤0.10% Chloride [Cl-] ≤0.02% Heavy Metals [Pb] ≤10ppm Iron[Fe] ≤10ppm Arsenic[As2O3] ≤1ppm Sulfate[SO42-] ≤0.02% Ammonium[NH4+] ≤0.02%  【Function】 D-Valine is one important organic chiral source and is mainly applied in chiral medicine, chiral additive, helping the medicinal preparation and so on. It uses as chrial source of chiral synthesis in drugs manufacuture. As a organic acid with optics activeness, it can not be substated in asymmetrical synthesis of some chircal compound. Now it mainly uses as valine protecting agent that applies in processing new broad spectrum antibiotic, D-valinol and multi-peptides.【Package】25kg net weight cardboard drum lined with PE bag, or according to the customer`s demand.
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