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Descriptio
DEAE-Dextran 500 Pharmaceutical Quality,Mw,500000,is a polycationic derivative of dextran, produced from dextran with an average molecular weight >500,000 Da. DEAE-Dextran 500 Pharmaceutical Quality is produced according to current GMP guidelines, suitable for use as an Active Pharmaceutical Ingredient (API) or in pharmaceutical preparations e.g. as a vaccine adjuvant, a transfection agent for gene therapy, and as an ingredient in cholesterol lowering products.
DEAE-Dextran 500 Pharmaceutical Quality is supplied in its HCI form.
Specification
Appearance White or almost white powder
Appearance of solution (6% sol.) Clear and colourless
Loss on drying (105°C, 5h) ≤7
Absorbance at 375 nm, 6% sol., 4cm ≤0.1
Specific rotation° 135-155
Nitrogen content 2.5-4.0
Lead, ppm ≤5
Specific viscosity 0.5-1
Residue on ignition ≤1
Infrared Absorption Complies
pH (1%w/v in 1M KCl) 4-7
Degree of substitution 0.4-0.72
Microbial contamination (TAMC) ≤100
Microbial contamination (TYMC) ≤100
Bacterial endotoxins ≤10