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CAS: 27489-62-9 Nr Cov neeg tsim khoom

Peb lub Hoobkas muab 2-bromofluorobenzene cas 1072-85-1, N, N-dimethylformamide dimethyl acetal cas 4637-24-5, 5-heptylresorcinol cas 500-67-4. Peb cov khoom yog muag hauv tsev thiab txawv teb chaws. Peb tau txais kev qhuas los ntawm cov neeg siv khoom zoo, tus nqi tsim nyog thiab kev pabcuam zoo meej.

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  • 4-Fluorobenzonitrile CAS 1194-02-1

    4-Fluorobenzonitrile CAS 1194-02-1

    Peb yog cov chaw tsim khoom ntawm 4-Fluorobenzonitrile CAS 1194-02-1 hauv Suav teb.4-Fluorobenzonitrile CAS 1194-02-1 muaj nyob rau hauv Tshuag thiab tuaj yeem xa tuaj sai.COA, MSDS thiab TDS ntawm 4-Fluorobenzonitrile CAS 1194-02 -1.
  • 2-Amino-5-nitropyridine CAS 4214-76-0

    2-Amino-5-nitropyridine CAS 4214-76-0

    2-Amino-5-nitropyridine CAS 4214-76-0 yog muab los ntawm nitration ntawm 2-aminopyridine. Ntawm qhov kub ntawm 50 ° C, 2-aminopyridine tau ntxiv rau cov concentrated sulfuric acid, thiab tom qab ntawd fuming nitric acid ntxiv dropwise, thiab qhov kub tsis tshaj 50 ° C. Incubate ntawm 45 ° C rau 2h, thiab do nyob rau hauv chav tsev kub rau 4h. Cov tshuaj tiv thaiv tau muab nchuav rau hauv cov dej khov, thiab cov pH tau hloov mus rau 6 los ntawm kev ntxiv ammonia dej hauv qab 5 ° C, thiab cov muaju tau los nag. Lim thiab qhuav. Recrystallization nrog dej kom tau daj ntseg platelets, tawm los 75%
  • 4-Phenylbutanol CAS 3360-41-6

    4-Phenylbutanol CAS 3360-41-6

    Cov hauv qab no yog kev taw qhia txog cov khoom zoo 4-Phenylbutanol CAS 3360-41-6, vam tias yuav pab koj nkag siab zoo 4-Phenylbutanol CAS 3360-41-6.
    4-phenyl-1-butanol li salmeterol, nruab nrab ntawm phenylbutanol caffeic acid ester
  • Posaconazole CAS 171228-49-2

    Posaconazole CAS 171228-49-2

    Raws li cov kws tshaj lij kev tsim khoom, peb xav muab koj cov khoom zoo Posaconazole CAS 171228-49-2. Thiab peb yuav muab cov kev pabcuam zoo tshaj plaws tom qab muag thiab xa khoom raws sijhawm.
  • 1,4-BIS (TRICHLOROOMETHYL) benzene CAS 68-36-0

    1,4-BIS (TRICHLOROOMETHYL) benzene CAS 68-36-0

    Peb yog cov chaw tsim khoom ntawm 1,4-BIS (TRICHLOROMETHYL) BENZENE CAS 68-36-0 hauv Suav teb.1,4-BIS (TRICHLOROMETHYL) BENZENE CAS 68-36-0 muaj nyob rau hauv Tshuag thiab tuaj yeem xa tuaj sai.COA , MSDS thiab TDS ntawm 1,4-BIS(TRICHLOROMETHYL)BENZENE CAS 68-36-0.
  • Calcitriol CAS 32222-06-3

    Calcitriol CAS 32222-06-3

    Raws li kev tsim khoom, peb xav muab koj cov khoom zoo Calcitriol CAS 32222-06-3. Thiab peb yuav muab cov kev pabcuam zoo tshaj plaws tom qab muag thiab xa khoom raws sijhawm.
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    Carboxybenzaldehyde muaj cov khoom ntawm aldehyde thiab acid. Nws tuaj yeem tsim rau hauv ester nrog cawv, txo rau Ag (NH3) 2NO3, thiab tsim rau hauv oxime nrog H2NOH. Kub mus rau qhov melting point ...

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  • Tom ntej: Tsugafolin CAS 66568-97-6: A Promising Compound Against Cancer

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  • Kev siv ntawm tricoumaroyl spermidine CAS 131086-78-7

    Tricoumaroyl spermidine CAS 131086-78-7, yog ib lub tebchaw uas tau txais kev pom zoo rau nws txoj kev siv ntau yam. Qhov kev sib xyaw tshiab no yog ib qho derivative ntawm spermidine, lub ntuj polyamine uas yog qhov tseem ceeb rau kev loj hlob ntawm tes thiab kev faib tawm.

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