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Изображение Ceftiofur

Ceftiofur

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начало: Китай

Кас Но: 80370-57-6

Спецификация: 99%наименьший

минимальный объем заказа: 1 /kg

снабженческая способность: 100 mt/month

опережающий период: OEM 7 дней, пятно 3 дня

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  • Характеристики продукции
  • Описание продукта
  • Quick Details

    CAS No.:
    80370-57-6
    Other Names:
    Ceftiofur
    MF:
    C19H17N5O7S3
    EINECS No.:
    80370-57-6
    Place of Origin:
    Shanghai, China
    Type:
    Anesthetic Agents, Anti-Allergic Agents, Antibiotic and Antimicrobial Agents, Blood System Agents, Cardiovascular Agents, Disinfectant and Preservatives, Electrolyte Balance and Dialysis Agents, Vitamins, Amino Acids and Coenzymes
    Grade Standard:
    Cosmetic Grade, Feed Grade, Food Grade, Medicine Grade, Tech Grade
    Brand Name:
    Terppon
    Model Number:
    822
    Purity:
    99%
    Color:
    white

    Packaging&Delivery

    Packaging Details
    DRUMS
    Port
    Shanghai
    Lead Time:
    Quantity(Kilograms)1 - 1>1
    Est. Time(days)20To be negotiated
  • Property

    CAS No.: 80370-57-6 Formula: C19H17N5O7S3 Molecular Weight: 523.56300

    Description

    Ceftiofur is an antibiotic of the cephalosporin type (third generation), licensed for use in veterinary medicine. It was first described in 1987. It is marketed by pharmaceutical company Zoetis as Excenel, Naxcel, and Excede and is also the active ingredient in that company's Spectramast LC (lactating cow formulation) and Spectramast DC (dry cow formulation) product.
    It is resistant to the antibiotic resistance enzyme beta-lactamase, and has activity against both Gram-positive and Gram-negative bacteria. E. coli strains resistant to ceftiofur have been reported.
    The metabolite desfurolyceftiofur also has antibiotic activity. The two compounds are measured together to measure for antibiotic activity in milk (alongside other antibiotics).

    Basic Info

    Chemical Name Ceftiofur
    Synonyms

    ceftiofur acid;
    EXCENEL;
    CEFTIFURHCL;
    CEFTIOFUR HCL;
    CeftiofurFreeAcid;

    CAS No. 80370-57-6
    Molecular Formula C19H17N5O7S3
    Molecular Weight 523.56300
    PSA 256.26000
    LogP 1.89100

    Properties

    Appearance & Physical State White to off-white powder
    Density 1.81 g/cm3
    Refractive Index 1.819
    Storage Condition 0-6ºC

    Safety Info

    HS Code 2941905700

    Synthesis Route

    cefotaxime+furan-2-carbothioic S-acidCeftiofur
    furan-2-carbothioic S-acid+cefotaxime sodiumCeftiofur
    4-chloro-2-methoxyimino-3-oxobutanoic acid+trimethylsilyl (6R,7R)-7-amino-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylateCeftiofur

    Precursor

    cefotaxime
    trimethylsilyl (6R,7R)-7-amino-3-(((furan-2-carbonyl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
    furan-2-carbothioic S-acid
    4-chloro-2-methoxyimino-3-oxobutanoic acid

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