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Urofollitropin supplier: making products

  The preparation method for preparing urofollitropin has the advantages of simple operation, low production cost, higher purity of the obtained urofollitropin, and no pollution by exogenous protein. The specific activity of FSH is greater than 10000IU/mg protein, and the LH: FSH titer is lower than 1:100. The preparation method includes the following steps:

  (1) The crude product of human menopausal gonadotropin is purified by anion exchange layer Chemicalbook analysis to obtain urinary follicle-stimulating hormone intermediate I;

Urofollitropin supplier: making products

  (2) urofollitropin intermediate I am purified by cation exchange chromatography to obtain urofollitropin intermediate II;

  (3) UFO intermediate II is purified by dye affinity chromatography to obtain UFO intermediate III;

  (4) urofollitropin intermediate III is purified by hydrophobic chromatography to obtain a solution of high-purity urofollitropin;

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