当前位置:产品与服务 >坎地沙坦酯
            坎地沙坦酯

            基本信息

            化学名称:(±)-1H-苯并咪唑-7-羧酸-2-乙氧基-1-[[2-(1H-四氮-5-基)[1,1-二苯]-4-基]甲基]-1-[[(环己基氧基)羰基]氧基]乙酯

            结构式:         
            分子式:
            C33H34N6O6
            分子量:610.67
            CAS号:145040-37-5
            质量标准:USP/ EP/ 国家标准, 可提供DMF/ CEP/ GMP。

             Specificatin

              EP 7.8

            ITEM

            CRITERIA

             RESULTES

              Appearance

               A white or almost white powder.

                White powder

              Identification-IR

              Conform to the reference spectrum

                Conforms

              Identification- UV

             Maximal absorptions at 254nm,   minimum absorption at 242nm

                Conforms

              Water

               ≤ 0.3%

                 0.19%

              Residual solvents

              Methanol

               Less than 3000ppm

                 N. D.

              Ethanol

               Less than 5000ppm

                 N. D.

              Ethyl ether

               Less than 5000ppm

                62ppm

              Acetone

               Less than 5000ppm

                505ppm

              Ethyl acetate

               Less than 5000ppm

                N. D.

              Dichloromethane

               Less than 600ppm

                N. D.

              Dimethylformamide

               Less than 880ppm

                N. D.

              Related substances

              Impurity A

               ≤ 0.15%

                0.04%

              Impurity B

               ≤ 0.3%

                0.03%

              Impurity F

               ≤ 0.2%

                0.02%

              Impurity G

                ≤ 0.2%

                0.04%

              Impurity H

                ≤ 0.15%

                N. D.

              Other individual impurity

                ≤ 0.10%

                0.04%

              Total impurities

                ≤ 0.6%

                0.23%

              Sulfated ash

                ≤ 0.1%

                0.07%

              Heavy metals

                ≤ 10ppm

                <10ppm

            Assay (Dried substance)

                99.0~101.0%

                99.9%

              Conclusion

                Conforms to EP

             
             
             
            返回主目录
            无码国产色欲XXXXX视频