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  • photo

    Ponceau 4R

    CAS No. : 2611-82-7

    Chemical Formula : C20H11N2Na3O10S3

    STD No. : 6160P

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  • photo

    Ponceau 4R Impurity 1

    CAS No. : 130-13-2

    Chemical Formula : C10H8NNaO3S

    STD No. : 61601P

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  • photo

    Ponceau 4R Impurity 2

    CAS No. : 842-19-3

    Chemical Formula : C10H6Na2O7S2

    STD No. : 61602P

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  • photo

    Ponceau 4R Impurity 3

    CAS No. : 135-51-3

    Chemical Formula : C10H6Na2O7S2

    STD No. : 61603P

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  • photo

    Ponceau 4R Impurity 4

    CAS No. : 135-76-2

    Chemical Formula : C10H7NaO4S

    STD No. : 61604P

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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
Copyright@2013 Standardpharm Co. Ltd.