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Rifamycin S CAS 13553-79-2


  • CAS: 13553-79-2
  • Molecular Formula: C37H45NO12
  • Molecular Weight: 2695.75
  • EINECS: 236-938-4
  • Synonyms: Rifaximin impurity E (EP); Rifaximin Impurity 5 (Rifaximin EP Impurity E); Rifamycin, 1,4-dideoxy-1,4-dihydro-1,4-dioxo-; Rifaximin EP Impurity E; rifamycin; Rifamycin S CRS; Rifamycin Impurity 2(Rifamycin EP Impurity B)(Rifamycin S); Rifamycin S USP/EP/BP
  • Product Detail

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    What is Rifamycin S CAS 13553-79-2?

    Rifamycin S is the third-generation product of the rifampicin class of drugs, which has high efficacy and broad-spectrum antibacterial activity. It has a high sensitivity to various clinically common drug-resistant bacteria. Lipomycin B undergoes oxidation, reduction, and hydrolysis to produce rifampicin sodium.

    Specification 

    Item Specification
    Boiling point 700.89°C (rough estimate)
    Density 1.2387 (rough estimate)
    Melting point 179-181°C (dec.)
    pKa 3.85±0.70(Predicted)
    resistivity 1.6630 (estimate)
    Storage conditions -20°C Freezer

    Application

    Rifamycin S is used as a pharmaceutical intermediate to inhibit the activity of bacterial RNA polymerase. Obstructing bacterial RNA synthesis, ultimately blocking the synthesis of proteins required by bacteria, leading to bacterial death and exhibiting bactericidal effects.

    Package 

    Usually packed in 25kg/drum,and also can be do customized package.

    DBDPE (1)

    Rifamycin S CAS 13553-79-2

    DBDPE (2)

    Rifamycin S CAS 13553-79-2


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