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S-NN'-2--1--5-2--1--246--13- Process for the Crystallization from Water of S-NN'-Bis2-Hydroxy-1-HydroxymethylEthyl-5-2-Hydroxy-1-OxopropylAmino-246-Triiodo-13-Benzendicarboxamide
S-NN'-2--1--5-2--1--246--13- Process for the Crystallization from Water of S-NN'-Bis2-Hydroxy-1-HydroxymethylEthyl-5-2-Hydroxy-1-OxopropylAmino-246-Triiodo-13-Benzendicarboxamide
The present invention relates to (S) -N, N'-bis [2-hydroxy-1- (hydroxymethyl) ethyl] -5-[(2-hydroxy-1-oxopropyl) amino] known as iopamidol. A method for crystallizing -2,4,6-triiodo-1,3-benzenedicarboxamide from water. According to the method of the present invention, crystalline anhydrous iopamidol complying with the pharmacopoeia standard can be obtained.
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