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                                            17alpha-Ethynyl-19-nortestosterone 17-heptanoate
                                            Structural formula:17alpha-Ethynyl-19-nortestoste

                                            Product Name: 17alpha-Ethynyl-19-nortestosterone 17-heptanoate
                                            Molecular Formula: C27H38O3
                                            Molecular Weight: 410.60
                                            CAS#: 3836-23-5

                                            ITEM

                                            STANDARD

                                            RESULT

                                            Identification:

                                            Infrared Absorption Spectroscopy,IR

                                            Loss on drying

                                            0.50% MAX

                                            Conform

                                            TMB

                                            0.13% MAX

                                            Conform

                                            melting point

                                            71 - 73 ℃

                                            Conform

                                            HPLC

                                            2.0% MAX

                                            Conform

                                            Assay

                                            99.0% -102.0%

                                            Conform

                                            Residue on ignition

                                              0.1% MAX

                                            Conform

                                            specific rotation

                                              –20°~–26°(C=1 Dioxene)

                                            Conform


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