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

  • ChemicalBook--->CAS DataBase List--->4344-87-0

    4344-87-0

    4344-87-0 Structure

    4344-87-0 Structure
    IdentificationMore
    [Name]

    3-Methyl-3-pyrazolin-5-one
    [CAS]

    4344-87-0
    [Synonyms]

    3-METHYL-3-PYRAZOLIN-5-ONE
    3 METHYLPYRAZOLONE
    AKOS B028792
    3-METHYL-3-PARAZOLIN-5-ONE
    3-METHYL-2-PYRAZOLIN-5-ONE (PILOT)
    1,2-Dihydro-3-methyl-5H-pyrazol-5-one
    3-Hydroxy-5-methyl-1H-pyrazole
    3-Methyl-3-pyrazoline-5-one
    5-Methyl-1,2-dihydro-3H-pyrazole-3-one
    5-Methyl-1H-pyrazole-3(2H)-one
    5-Methyl-1H-pyrazole-3-ol
    [Molecular Formula]

    C4H6N2O
    [MDL Number]

    MFCD00010705
    [Molecular Weight]

    98.1
    [MOL File]

    4344-87-0.mol
    Chemical PropertiesBack Directory
    [Melting point ]

    223-225 °C (lit.)
    [density ]

    1.107±0.06 g/cm3(Predicted)
    [storage temp. ]

    Keep in dark place,Inert atmosphere,Room temperature
    [solubility ]

    1 M NH4OH: soluble25mg/mL, clear, colorless (in methanol)
    [form ]

    solid
    [pka]

    9.04±0.70(Predicted)
    [color ]

    Off White
    [CAS DataBase Reference]

    4344-87-0(CAS DataBase Reference)
    Safety DataBack Directory
    [Hazard Codes ]

    Xi
    [Risk Statements ]

    R36/37/38:Irritating to eyes, respiratory system and skin .
    [Safety Statements ]

    S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
    S37/39:Wear suitable gloves and eye/face protection .
    S36:Wear suitable protective clothing .
    [WGK Germany ]

    3
    [HS Code ]

    2933119000
    Hazard InformationBack Directory
    [Chemical Properties]

    Light yellow crystalline powder
    [Uses]

    3-Methyl-3-pyrazolin-5-one was used in the preparation of substituted 4-alkyl(cycloalkyl)-2-amino-3-cyano-4H-pyrans.
    [General Description]

    3-Methyl-3-pyrazolin-5-one is an intermediate in the synthesis of heterocyclic compounds. Crystal structure of 3-methyl-3-pyrazolin-5-one was studied.
    Spectrum DetailBack Directory
    [Spectrum Detail]

    3-Methyl-3-pyrazolin-5-one(4344-87-0)1HNMR
    3-Methyl-3-pyrazolin-5-one(4344-87-0)FT-IR
    3-Methyl-3-pyrazolin-5-one(4344-87-0)Raman
    Well-known Reagent Company Product InformationBack Directory
    [Sigma Aldrich]

    4344-87-0(sigmaaldrich)
    [TCI AMERICA]

    3-Methyl-3-pyrazolin-5-one,>98.0%(T)(4344-87-0)
    4344-87-0 suppliers list
    Company Name: Hubei xin bonus chemical co. LTD
    Tel: 86-13657291602
    Website: www.is0513.com/ShowSupplierProductsList1549548/0.htm
    Company Name: Alchem Pharmtech,Inc.
    Tel: 8485655694
    Website: www.is0513.com/ShowSupplierProductsList454175/0.htm
    Company Name: CONIER CHEM AND PHARMA LIMITED
    Tel: +8618523575427 , +8618523575427
    Website: http://www.conier.com/
    Company Name: career henan chemical co
    Tel: +86-0371-86658258 +8613203830695 , +8613203830695
    Website: www.coreychem.com
    Company Name: Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
    Tel: +8613580539051 , +8613580539051
    Website: www.yuhengpharm.com
    Company Name: SIMAGCHEM CORP
    Tel: +86-13806087780 , +86-13806087780
    Website: http://www.simagchem.com/
    Company Name: Hefei TNJ Chemical Industry Co.,Ltd.
    Tel: +86-0551-65418671 +8618949823763 , +8618949823763
    Website: www.tnjchem.com
    Company Name: Dayang Chem (Hangzhou) Co.,Ltd.
    Tel: +86-0571-88938639 +8617705817739 , +8617705817739
    Website: www.dycnchem.com/
    Company Name: GIHI CHEMICALS CO.,LIMITED
    Tel: +8618058761490 , +8618058761490
    Website: www.gihichem.com/
    Company Name: SUZHOU SENFEIDA CHEMICAL CO.,LTD
    Tel: +86-0512-83500002 +8618501500038 , +8618501500038
    Website: www.sfdchem.com/
    Company Name: LEAPCHEM CO., LTD.
    Tel: +86-852-30606658
    Website: www.leapchem.com
    Company Name: Shanghai Acmec Biochemical Technology Co., Ltd.
    Tel: +86-18621343501; +undefined18621343501 , +undefined18621343501
    Website: http://www.acmec.com.cn/
    Company Name: Aladdin Scientific
    Tel:
    Website: www.aladdinsci.com/
    Company Name: Hebei Chuanghai Biotechnology Co., Ltd
    Tel: +86-15350571055 +86-15350571055 , +86-15350571055
    Website: www.chuanghai.com/
    Company Name: SHANGHAI KEAN TECHNOLOGY CO., LTD.
    Tel: +8613817748580 , +8613817748580
    Website: www.kean-chem.com
    Company Name: Amadis Chemical Company Limited
    Tel: 571-89925085
    Website: http://www.amadischem.com
    Company Name: Mainchem Co., Ltd.
    Tel: +86-86-05926210733 +8618030271905 , +8618030271905
    Website: www.mainchem.com
    Company Name: REDDY N REDDY PHARMACEUTICALS  
    Tel: +91-9848096759 +91-9848096759
    Website: www.reddynreddypharma.com
    Tags:4344-87-0 Related Product Information
    99-76-3 2682-20-4 89-25-8 79-20-9 143390-89-0 27164-46-1 25953-19-9 96-33-3 83-15-8 5907-38-0 1251-85-0 83-07-8 58-15-1 60-80-0 74-83-9 950-81-2 298-00-0 321-07-3

    • HomePage | Member Companies | Advertising | Contact us | Previous WebSite | MSDS | CAS Index | CAS DataBase | Privacy | Terms | About Us
    • All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.
      According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.
    • Copyright © 2023 ChemicalBook All rights reserved.
    This site uses cookies
    This website uses cookies and similar technologies to store and retrieve information about your use of this website. This information helps us to provide, analyse and improve our services, which may include personalised content or advertising. We may share this information with Google and other third parties. This cookies are necessary for our website to work properly . By clicking "Continue" or continuing to browse our site you are agreeing to our and our partners use of cookies.
    Accept