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  • photo

    Estratetraenol

    CAS No. : 1150-90-9

    Chemical Formula : C18H22O

    STD No. : 3322E

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  • photo

    Estratetraenol Impurity 1

    CAS No. : 28336-31-4

    Chemical Formula : C19H24O

    STD No. : 33221E

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  • photo

    Estratetraenol Impurity 2

    CAS No. : 17253-36-0

    Chemical Formula : C19H22O2

    STD No. : 33222E

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  • photo

    Estratetraenol Impurity 3

    CAS No. : 6030-83-7

    Chemical Formula : C19H22O2

    STD No. : 33223E

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  • photo

    Estratetraenol Impurity 4(3MeE2-8-en)

    CAS No. : 13587-68-3

    Chemical Formula : C19H24O2

    STD No. : 33224E

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About us

Standardpharm Co. Ltd. is a strict standard company. Its main members are former senior employees from EDQM and The United States Pharmacopeial Convention.They serve the global drug developers in the world's largest market of generic drugs and innovative drugs.

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  • Organization - Standardpharm Co. Ltd.
  • Address - 363 East 42nd Street NY, NY 10017
  • Phone - (259)224-623-952
  • Email - info@standardpharm.com
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