D-Asparagine Monohydrate

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D-Asparagine Monohydrate
CAS RN:5794-24-1
 

Solubility in water Colorless & clear (c=2)
Specific rotation (20 °C) -33.5°~-36.5°(c= 10, 6M-HCl)
Loss on drying 11.5%~12.5%
Residue on ignition (as sulfate) Not more than 0.1%
Chloride (Cl) Not more than 0.03%
Sulfate (SO4) Not more than 0.03%
Heavy metals (as Pb) Not more than 10ppm
Iron (Fe) Not more than 10ppm
Ammonium (NH4) Not more than 0.02%
Arsenic (As2O3) Not more than 1ppm
Other amino acid (D-Asp) Not more than 1.0% by T.L.C
(The spotted amount, 20 mg)
Assay (as anhydrous) 98.5%~101.0%
L-Isomer Not more than 0.5%

 

D-Asparagine Monohydrate


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