CAS 3141-26-2 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.

Cov khoom kub

  • 2-Methoxy-5-nitropyridine CAS 5446-92-4

    2-Methoxy-5-nitropyridine CAS 5446-92-4

    2-Methoxy-5-nitropyridine CAS 5446-92-4 yog tau los ntawm etherification ntawm 2-chloro-5-nitropyridine. Sodium methoxide tau ntxiv dropwise rau qhov sib tov ntawm 2-chloro-5-nitropyridine thiab methanol nyob rau hauv stirring, thiab muaju tau precipitated nyob rau hauv crushed dej khov tom qab ntxiv sulfur rau 1 h. Lim, qhuav, thiab recrystallize nrog methanol kom tau cov khoom tiav. Cov txiaj ntsig yog 92%.
  • 2-Amino-6-methylpyridine CAS 1824-81-3

    2-Amino-6-methylpyridine CAS 1824-81-3

    2-Amino-6-methylpyridine CAS 1824-81-3 Dawb los yog daj me ntsis crystals. Lub melting point yog 41 ° C, lub boiling point yog 208-209 ° C, thiab tus txheeb ze ceev yog 1.0432 (45/4 ° C). Yooj yim soluble hauv dej, soluble nyob rau hauv feem ntau cov organic solvents xws li cawv, ether, acetone, benzene, thiab lwm yam. Hygroscopic.
  • Cis-1,4-Dichloro-2-butene CAS 1476-11-5

    Cis-1,4-Dichloro-2-butene CAS 1476-11-5

    Peb yog cov chaw tsim khoom ntawm cis-1,4-Dichloro-2-butene CAS 1476-11-5 hauv China.cis-1,4-Dichloro-2-butene CAS 1476-11-5 yog muaj nyob rau hauv Tshuag thiab tuaj yeem ua tau. xa sai.COA, MSDS thiab TDS ntawm cis-1,4-Dichloro-2-butene CAS 1476-11-5.
  • 5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile CAS 1240948-77-9

    5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile CAS 1240948-77-9

    Raws li kev tsim khoom, peb xav muab koj cov khoom zoo 5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile CAS 1240948-77-9. Thiab peb yuav muab cov kev pabcuam zoo tshaj plaws tom qab muag thiab xa khoom raws sijhawm.
  • Tom ntej: Barium Chloride Dihydrate CAS 10326-27-9

    Tom ntej: Barium Chloride Dihydrate CAS 10326-27-9

    Raws li cov kws tshaj lij kev tsim khoom, peb xav muab koj cov khoom zoo Barium chloride dihydrate CAS 10326-27-9. Thiab peb yuav muab cov kev pabcuam zoo tshaj plaws tom qab muag thiab xa khoom raws sijhawm.
  • 5-Fluoro-2-nitroaniline CAS 2369-11-1

    5-Fluoro-2-nitroaniline CAS 2369-11-1

    5-Fluoro-2-nitroaniline CAS 2369-11-1 yog Anilines, Aromatic Amines thiab Nitro Compounds

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