好大好硬快点受不了了

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  • sell 2,2'-azobis(2,4-dimethyl)valeronitrile

    benzophenone hydrazone is used in the antibiotics synthesis of 6-APA and 7-ACA of the carboxyl protecting groups and other organic compounds.

    benzophenone hydrazone

    Synonyms:Diphenyl-methanone hydrazone; Diphenyldiazomethane precursor

    Molecular Formula:C13H12N2

    Molecular Weight:196.25

    CAS:5350-57-2

    EINECS:226-321-8

    Melting point:95-99 oC

    Boiling point:225-230 oC (55 mmHg)

    Purity:99.9% 

    benzophenone hydrazone is used in the antibiotics synthesis of 6-APA and 7-ACA of the carboxyl protecting groups and other organic compounds.


    好大好硬快点受不了了
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