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      1. Zhejiang Kinglyuan Pharmaceutical Company Limited
        Key products:
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         Name: Cilostazol

        Chemical name: 6-(4-(1-cyclohexyl-1H-tetrazole-5-yl)butoxy)-3,4-dihydro-2(1H)-quinolinone
        CAS No. : 73963-72-1
        Molecular formula: C20H27N5O2
        Molecular weight: 369. 46
        Specification:

        Appearance

        White or off-white crystalline powder

        Assay by HPLC

        98.0~102.0%

        Impurity(HPLC)

        Dimer

        Other impurity

        Total impurity

         

        ≤0.1%

        ≤0.1%

        ≤0.3%

        Loss on drying

        ≤0.5%

        Residual on Ignition

        ≤0.2%

        Heavy metal

        ≤0.002%

        Solvents

        Methanol

        Chloroform

         

        ≤3000ppm

        ≤60ppm

        7. Ultimate analysis: C 65. 02%,H 7. 37%,N 18. 96%,O 8. 66% 7 

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