成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

<samp id="56cxu"><kbd id="56cxu"><optgroup id="56cxu"></optgroup></kbd></samp>
  • <table id="56cxu"><form id="56cxu"></form></table>
    <td id="56cxu"></td>
    <rp id="56cxu"></rp>
    <button id="56cxu"><dd id="56cxu"><pre id="56cxu"></pre></dd></button>
    <table id="56cxu"><tbody id="56cxu"></tbody></table>
    <rt id="56cxu"><meter id="56cxu"></meter></rt>
    ChemicalBook--->CAS DataBase List--->53994-69-7

    53994-69-7

    53994-69-7 Structure

    53994-69-7 Structure
    IdentificationMore
    [Name]

    7-Amino-3-chloro cephalosporanic acid
    [CAS]

    53994-69-7
    [Synonyms]

    7-AMINO-3-CHLORO-3-CEPHEM-4-CARBOXYLIC ACID
    7-AMINO-3-CHLORO-8-OXO-5-THIA-1-AZA-BICYCLO-[4.2.0]OCT-2-ENE-2-CARBOXYLIC ACID
    7-AMINO-3-CHLORO CEPHALOSPORANIC ACID
    ANCA
    7-amino-3-chloro-8-oxo-,(6R,7R)-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid
    (6R-trans)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    7-amino-3-coloro-3-cephem-4-carboxylic acid
    5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-amino-3-chloro-8-oxo-,(6R,7R)-
    (6R,6β)-7α-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
    (6R,7R)-7-Amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]octa-2-ene-2-carboxylic acid
    3-Chloro-7β-aminocepham-3-ene-4-carboxylic acid
    [EINECS(EC#)]

    258-907-4
    [Molecular Formula]

    C10H12ClN2O5S
    [MDL Number]

    MFCD03650764
    [Molecular Weight]

    307.73
    [MOL File]

    53994-69-7.mol
    Chemical PropertiesBack Directory
    [Melting point ]

    >180°C (dec.)
    [Boiling point ]

    498.9±45.0 °C(Predicted)
    [density ]

    1.81±0.1 g/cm3(Predicted)
    [storage temp. ]

    Keep in dark place,Inert atmosphere,2-8°C
    [solubility ]

    Aqueous Acid (Slightly, Heated), DMSO (Slightly, Heated, Sonicated)
    [form ]

    Solid
    [pka]

    1.87±0.50(Predicted)
    [color ]

    Pale Yellow
    [CAS DataBase Reference]

    53994-69-7(CAS DataBase Reference)
    Safety DataBack Directory
    [Hazard Codes ]

    Xi
    [HazardClass ]

    IRRITANT
    Hazard InformationBack Directory
    [Chemical Properties]

    Pale Yellow Solid
    [Uses]

    7-Amino-3-chloro cephalosporanic acid is used as an intermediate in the preparation of semi-synthetic cephalosprin antibiotics.
    Spectrum DetailBack Directory
    [Spectrum Detail]

    7-Amino-3-chloro cephalosporanic acid(53994-69-7)1HNMR
    53994-69-7 suppliers list
    Company Name: Hebei Yanxi Chemical Co., Ltd.
    Tel: +8617531153977 , +8617531153977
    Website: m.is0513.com/manufacturer/hebei-yanxi-chemical-283/
    Company Name: Hebei Weibang Biotechnology Co., Ltd
    Tel: +8617732866630 , +8617732866630
    Website: www.weibangbio.com
    Company Name: Capot Chemical Co.,Ltd.
    Tel: +86-(0)57185586718 +86-13336195806 , +86-13336195806
    Website: www.capot.com
    Company Name: Shanghai Daken Advanced Materials Co.,Ltd
    Tel: +86-371-66670886
    Website: https://www.dakenchem.com/
    Company Name: Henan Tianfu Chemical Co.,Ltd.
    Tel: +86-0371-55170693 +86-19937530512 , +86-19937530512
    Website: https://www.tianfuchem.com/
    Company Name: ATK CHEMICAL COMPANY LIMITED
    Tel: +undefined-21-51877795
    Website: www.atkchemical.com
    Company Name: career henan chemical co
    Tel: +86-0371-86658258 +8613203830695 , +8613203830695
    Website: www.coreychem.com/
    Company Name: Hubei Jusheng Technology Co.,Ltd.
    Tel: 18871490254
    Website: www.hubeijusheng.com
    Company Name: Standardpharm Co. Ltd.
    Tel: 86-714-3992388
    Website: www.standardpharm.com
    Company Name: Chongqing Chemdad Co., Ltd
    Tel: +86-023-6139-8061 +86-86-13650506873 , +86-86-13650506873
    Website: http://www.chemdad.com/
    Company Name: Shenzhen Excellent Biotech Co., Ltd.
    Tel: 13480692018
    Website: m.is0513.com/ShowSupplierProductsList1588779/0.htm
    Company Name: CONIER CHEM AND PHARMA LIMITED
    Tel: +8618523575427 , +8618523575427
    Website: http://www.conier.com/
    Company Name: SIMAGCHEM CORP
    Tel: +86-13806087780 , +86-13806087780
    Website: http://www.simagchem.com/
    Company Name: Hubei Ipure Biology Co., Ltd
    Tel: +8613367258412 , +8613367258412
    Website: www.ipurechemical.com
    Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
    Tel: +86-0551-65418671 +8618949823763 , +8618949823763
    Website: www.tnjchem.com
    Company Name: Pharmyao, All for life--- A Specific Trading Platform For Reference Standard Material
    Tel: +86-020-81716320 +8613602409664 , +8613602409664
    Website: https://pharmyao.com/en/index.html
    Company Name: Shanghai UCHEM Inc.
    Tel: +862156762820 +86-13564624040 , +86-13564624040
    Website: http://www.myuchem.com/
    Company Name: ANHUI WITOP BIOTECH CO., LTD
    Tel: +8615255079626 , +8615255079626
    Website: m.is0513.com/showsupplierproductslist418627/0_en.htm
    Tags:53994-69-7 Related Product Information
    60-32-2 542-18-7 103-90-2 56-40-6 38821-53-3 619-84-1 51-79-6 1759-53-1 98-89-5 150-13-0 134-20-3 79350-37-1 15686-71-2 930-28-9 34876-35-2 146794-70-9 22252-43-3 875-74-1