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3-Amino-4-bromopyrazole CAS:16461-94-2
3-Amino-4-bromopyrazole ndi chinthu chochokera ku pyrazole chomwe chili ndi gulu la amino ndi atomu ya bromine pamalo a 3 ndi 4 motsatana. Ili ndi formula ya molekyulu C3H4BrN3 ndipo imadziwika ndi ntchito zake zomwe zingagwiritsidwe ntchito mu chemistry yamankhwala. Chomerachi chimasonyeza ntchito zosangalatsa zamoyo, zomwe zimapangitsa kuti chikhale chothandiza kwambiri pakupanga mankhwala. Mawonekedwe ake apadera amathandizira kuti chigwire ntchito bwino komanso kuti chizitha kutenga nawo mbali pakusintha kwa mankhwala osiyanasiyana, zomwe zimapangitsa kuti chikhale chofunikira kwambiri popanga mamolekyu ovuta kwambiri.
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4-Chloroanisole CAS: 623-12-1
4-Chloroanisole ndi mankhwala achilengedwe okhala ndi formula ya mankhwala C8H9ClO. Ndi mankhwala ochokera ku anisole omwe ali ndi chlorine, omwe ali ndi atomu ya chlorine yomwe imalowetsedwa m'malo mwa gulu la methoxy pa mphete ya aromatic. Madzi achikasu osapaka utoto awa ali ndi fungo labwino lofanana ndi anise. Amagwiritsidwa ntchito makamaka popanga mankhwala osiyanasiyana a agrochemicals, mankhwala, ndi mankhwala abwino. Kuphatikiza apo, 4-chloroanisole ili ndi tanthauzo mu sayansi ya zinthu ndipo imagwira ntchito ngati maziko a mankhwala ovuta kwambiri a organic mu kafukufuku wa mankhwala.
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n-Octadecane(pcm28) CAS:593-45-3
n-Octadecane, yomwe imadziwikanso kuti PCM28, ndi alkane yowongoka yokhala ndi formula ya mankhwala C18H38. Ndi chinthu cholimba chopanda utoto, chopanda fungo pa kutentha kwa chipinda, chomwe chimasungunuka pafupifupi 28°C. n-Octadecane ndi gawo la banja la paraffin hydrocarbon ndipo nthawi zambiri chimapezeka kuchokera ku mafuta. Chomerachi chimadziwika chifukwa cha kukhazikika kwake pa kutentha komanso kusasinthasintha kochepa, zomwe zimapangitsa kuti chikhale chothandiza pazinthu zosiyanasiyana, kuphatikizapo ngati chinthu chosinthira gawo (PCM) posungira mphamvu ya kutentha. Kutentha kwake kwakukulu kobisika kwa fusion kumalola kuti itenge ndikutulutsa kutentha kwakukulu, zomwe zimapangitsa kuti ikhale yoyenera kuwongolera kutentha.
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(S)-(-)-2-Azetidinecarboxylic acid CAS:2133-34-8
(S)-(-)-2-Azetidinecarboxylic acid, yomwe imadziwikanso kuti L-proline, ndi amino acid yozungulira yokhala ndi formula ya molekyulu C5H9NO2. Ili ndi kapangidwe ka mphete ka ziwalo zisanu komwe kali ndi atomu ya nayitrogeni ndi gulu logwira ntchito la carboxylic acid. Chophatikiza ichi ndi chofunikira mu biochemistry chifukwa cha ntchito yake ngati chomangira mapuloteni ndi ma peptide. Kapangidwe kapadera ka (S)-(-)-2-azetidinecarboxylic acid kamapereka mawonekedwe apadera omwe amawapangitsa kukhala ofunika mu ntchito zosiyanasiyana zopangira, makamaka m'magawo a mankhwala, agrochemicals, ndi sayansi yazinthu.
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n-Hexadecane(pcm18) CAS:544-76-3
N-Hexadecane, yomwe imadziwikanso kuti PCM18, ndi hydrocarbon yodzaza ndi formula ya mankhwala C16H34. Ndi chinthu cholimba chopanda utoto, chopanda fungo kutentha kwa chipinda, chokhala ndi malo osungunuka pafupifupi 18.3°C. N-Hexadecane ndi membala wa banja la n-alkane ndipo nthawi zambiri imachokera ku mafuta. Chifukwa cha kukhazikika kwake kwakukulu kwa kutentha komanso kusasinthasintha kochepa, imagwira ntchito bwino ngati chinthu chosinthira gawo (PCM) chosungira mphamvu ya kutentha, zomwe zimailola kuyamwa ndikutulutsa kutentha panthawi yosintha gawo. Kapangidwe kameneka kamapangitsa n-hexadecane kukhala chinthu chofunikira kwambiri pa ntchito zosiyanasiyana zokhudzana ndi kasamalidwe ka mphamvu ndi kasamalidwe ka kutentha.
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4-Vinylbenzoic acid CAS: 1075-49-6
4-Vinylbenzoic acid ndi aromatic carboxylic acid yomwe imadziwika ndi gulu la vinyl (-CH = CH2) kuti ikhale gulu logwira ntchito la carboxylic acid pa mphete ya benzene. Phala ili ndi lolimba lopanda mtundu mpaka lachikasu lopepuka, ndipo limadziwika ndi mphamvu zake zopomereza, zomwe zimapangitsa kuti likhale monomer wofunika kwambiri popanga ma polima ndi ma resin. 4-Vinylbenzoic acid imagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo zomatira, zokutira, komanso monga chowonjezera pakupanga mankhwala ena achilengedwe. Kapangidwe kake kapadera ka mankhwala kamalola kukhazikika kwa kutentha komanso kuchitapo kanthu m'njira zosiyanasiyana zamakemikolo.
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2-Piperazinone CAS:5625-67-2
2-Piperazinone ndi amide yozungulira yokhala ndi formula ya molekyulu C4H8N2O. Ili ndi mphete ya piperazine, yomwe ndi mphete yokhala ndi ziwalo zisanu ndi chimodzi yokhala ndi ma atomu awiri a nayitrogeni, ndi gulu la keto pamalo achiwiri. Chomera ichi chikuwonetsa ntchito zosangalatsa zamoyo ndipo chaphunziridwa kuti chigwiritsidwe ntchito ngati mankhwala. Kapangidwe kake kamalola kusintha zinthu zosiyanasiyana, zomwe zimapangitsa kuti ikhale maziko osinthika mu chemistry yamankhwala. Chifukwa cha mawonekedwe ake apadera, 2-piperazinone imagwira ntchito ngati chomangira popanga mankhwala ambiri ogwira ntchito m'thupi.
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3-Bromo-2-methylpyridine CAS:38749-79-0
3-Bromo-2-methylpyridine ndi chinthu chochokera ku bromine chochokera ku 2-methylpyridine, chomwe chili ndi atomu ya bromine pamalo atatu a mphete ya pyridine. Ndi formula ya molekyulu C6H8BrN, chinthuchi chimawoneka ngati madzi opanda mtundu kapena achikasu otumbululuka. Chimagwiritsidwa ntchito makamaka mu kapangidwe ka organic chifukwa cha kuthekera kwake kugwira ntchito ngati chomangira chosiyanasiyana cha zochita zosiyanasiyana za mankhwala. Cholowa m'malo mwa bromine chimawonjezera reactivity yake, ndikuchipangitsa kukhala chofunikira popanga mamolekyu ovuta kwambiri, makamaka mu mankhwala ndi mankhwala a agrochemicals. Kusamalira bwino chinthuchi ndikofunikira chifukwa cha poizoni wake wocheperako.
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3-Picoline-N-oxide CAS:1003-73-2
3-Picoline-N-oxide ndi mankhwala ochokera ku 3-picoline, chinthu chochokera ku pyridine. Chimapezeka ngati choyera mpaka chachikasu chopepuka kapena madzi opanda mtundu ndipo chimadziwika ndi mawonekedwe ake osungunuka. Mankhwalawa amagwiritsidwa ntchito mosiyanasiyana m'munda wa organic chemistry, makamaka ngati oxidizing agent komanso precursor mu synthetic reactions. Kapangidwe kake kapadera kamapereka mankhwala apadera, zomwe zimapangitsa kuti akhale othandiza mu mankhwala ndi agrochemicals. Chifukwa cha poizoni wake wocheperako, njira zoyenera zogwirira ntchito komanso chitetezo ndizofunikira pogwira ntchito ndi mankhwalawa m'malo ochitira labotale ndi mafakitale.
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4-Bromo-1H-indazole CAS:186407-74-9
4-Bromo-1H-indazole ndi mankhwala achilengedwe opangidwa ndi heterocyclic okhala ndi formula ya molekyulu C7H5BrN2. Ili ndi core ya indazole, yomwe ndi kapangidwe ka bicyclic kopangidwa ndi mphete yokhala ndi ziwalo zisanu yolumikizidwa ku mphete yokhala ndi ziwalo zisanu ndi chimodzi, yokhala ndi bromine m'malo mwachinayi. Mankhwalawa ali ndi mphamvu zapadera zamakemikolo ndi zamoyo, zomwe zimapangitsa kuti ikhale yofunika kwambiri pakupanga mankhwala ndi kupeza mankhwala. Kapangidwe kake kamalola magwiridwe antchito osiyanasiyana, zomwe zimapangitsa kuti pakhale kugwiritsa ntchito mankhwala atsopano, mankhwala a agrochemicals, ndi sayansi ya zinthu.
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(R)-1-(TERT-BUTOXYCARBONYL)-2-AZETIDINEMETHANOL CAS:161511-90-6
(R)-1-(tert-butoxycarbonyl)-2-azetidinmethanol ndi mankhwala a chiral okhala ndi gulu loteteza la tert-butoxycarbonyl (Boc) lomwe limalumikizidwa ku mphete ya azetidine. Ndi fomula ya molekyulu ya C8H15NO3, mankhwalawa amachita gawo lofunikira kwambiri pakupanga kwachilengedwe ndi mankhwala. Gulu la Boc limalola zochita zosankhidwa panthawi yopanga peptide ndi njira zina zamankhwala zokhudzana ndi ma amine, zomwe zimapangitsa kuti likhale lofunika kwambiri popanga mamolekyu ovuta pakufufuza ndi kupanga mankhwala.
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1-Bromooctadecane CAS:112-89-0
1-Bromooctadecane ndi alkyl halide yolunjika yokhala ndi formula ya mankhwala C18H37Br. Ili ndi unyolo wa kaboni 18 wokhala ndi atomu ya bromine yolumikizidwa ku carbon yomaliza, zomwe zimapangitsa kuti ikhale alkyl bromide yoyamba. Phala ili limawoneka ngati madzi opanda mtundu kapena achikasu opepuka ndipo limasungunuka pang'ono m'madzi. 1-Bromooctadecane imagwiritsidwa ntchito makamaka popanga zinthu zachilengedwe ndipo imagwira ntchito ngati chothandizira pazochitika zosiyanasiyana za mankhwala. Chikhalidwe chake chopanda hydrophobic chimapangitsa kuti ikhale yothandiza pakugwiritsa ntchito ma surfactants ndi phase transfer catalysis.
