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TEREPHTHALIC DIHYDRAZIDE CAS:136-64-1
Terephthalic dihydrazide (TPHD) ndi mankhwala achilengedwe ochokera ku terephthalic acid, omwe ali ndi magulu awiri ogwira ntchito a hydrazine. Amawoneka ngati crystalline solid yoyera ndipo amadziwika kwambiri chifukwa cha ntchito yake popanga ma polima ndi zinthu zina zochokera ku mankhwala. TPHD imagwira ntchito ngati gawo lofunika kwambiri pazochitika zosiyanasiyana za mankhwala, makamaka popanga ma polyamides ndi zinthu zina zokhala ndi nayitrogeni. Kapangidwe kake kapadera kamapereka zinthu zinazake zomwe zimapangitsa kuti ikhale yofunika kwambiri pa sayansi ya zinthu ndi mafakitale.
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3-(TRIFLUOROMETHYL)PHENYLHYDRAZINE CAS:368-78-5
3-(Trifluoromethyl)phenylhydrazine ndi mankhwala achilengedwe okhala ndi kapangidwe ka phenylhydrazine komwe kali ndi gulu la trifluoromethyl (-CF₃) lomwe lili pamalo a meta a mphete ya aromatic. Mankhwalawa amadziwika ndi mawonekedwe ake apadera, makamaka chifukwa cha kukhalapo kwa trifluoromethyl moiety, zomwe zimapangitsa kuti ikhale ndi lipophilicity komanso reactivity. Amagwiritsidwa ntchito makamaka popanga mankhwala ndi kafukufuku, makamaka m'magawo a chemistry yamankhwala ndi sayansi ya zida.
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P-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE CAS:2571-00-8
p-Tolualdehyde 2,4-dinitrophenylhydrazone ndi chochokera ku hydrazone chomwe chimapangidwa kuchokera ku zomwe p-tolualdehyde ndi 2,4-dinitrophenylhydrazine amachita. Chomerachi chimagwira ntchito yofunika kwambiri mu organic chemistry monga reagent yodziwira ndi kusiyanitsa ma aldehydes ndi ma ketones. Kupangidwa kwa ma hydrazones kumathandiza kusiyanitsa mankhwala a carbonyl awa chifukwa cha mawonekedwe awo apadera, monga malo osungunuka ndi mitundu yosiyana. Kumvetsetsa kapangidwe ndi khalidwe la p-tolualdehyde 2,4-dinitrophenylhydrazone kumapereka chidziwitso chofunikira pa njira zodziwira momwe zinthu zilili komanso kumawonjezera njira zodziwira ma molekyulu.
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m-Tolyl isocyanate CAS:621-29-4
M-Tolyl isocyanate, mankhwala onunkhira a isocyanate, ali ndi gulu la m-tolyl (1-methylphenyl) lolumikizidwa ndi gulu logwira ntchito la isocyanate (-N=C=O). Mankhwalawa amadziwika chifukwa cha reactivity yake ndipo amagwira ntchito yofunika kwambiri popanga zinthu zachilengedwe. M-Tolyl isocyanate imagwiritsidwa ntchito kwambiri popanga urea ndi carbamate derivatives kudzera mu reactions zake ndi amines ndi alcohols. Kapangidwe kake kapadera kamalola kugwiritsidwa ntchito kosiyanasiyana mu chemistry yamankhwala, sayansi ya zida, ndi mankhwala a agrochemicals, zomwe zimapangitsa kuti ikhale mankhwala ofunikira kwa ofufuza ndi mafakitale omwe amayang'ana kwambiri njira zopangira komanso kupanga zinthu zatsopano.
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p-Tolyl isocyanate CAS:622-58-2
P-Tolyl isocyanate, mankhwala onunkhira a isocyanate, ali ndi gulu la tolyl (methyl-substituted phenyl) lolumikizidwa ku gulu logwira ntchito la isocyanate (-N=C=O). Mankhwalawa ndi ofunikira kwambiri mu kapangidwe ka organic ndi sayansi ya zinthu chifukwa cha reactivity yake komanso kuthekera kwake kupanga urea ndi carbamate derivatives akachita ndi amines ndi alcohols. P-Tolyl isocyanate imagwira ntchito ngati maziko omangira opangira mankhwala, agrochemicals, ndi ma polima. Kapangidwe kake kapadera kamawonjezera kugwiritsidwa ntchito kwake m'njira zosiyanasiyana zamakemikolo, zomwe zimapangitsa kuti ikhale mankhwala ofunikira kwa ofufuza ndi mafakitale omwe amayang'ana kwambiri pakupanga zinthu zatsopano komanso njira zopangira.
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O-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE CAS:1773-44-0
O-Tolualdehyde 2,4-dinitrophenylhydrazone ndi chinthu chochokera ku o-tolualdehyde ndi 2,4-dinitrophenylhydrazine. Chomerachi ndi chofunikira kwambiri mu organic chemistry chifukwa chimalola kuzindikira ndi kusiyanitsa aldehydes. Kupanga ma hydrazones ndi njira yofunika kwambiri yodziwira mankhwala a carbonyl chifukwa cha malo awo osungunuka komanso mawonekedwe awo enieni. Kupangaku kumathandizira pakuwunika komanso kuphunzitsa, kuwonetsa mfundo zofunika monga kuwonjezera kwa nucleophilic ndi machitidwe a madzi m'thupi. Kumvetsetsa o-tolualdehyde 2,4-dinitrophenylhydrazone kumathandizira kugwiritsa ntchito kwambiri njira zopangira organic ndi njira zozindikiritsira mamolekyu.
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α-Ketoglutaric acid disodium salt CAS:305-72-6
Mchere wa disodium wa α-Ketoglutaric acid, womwe nthawi zambiri umatchedwa sodium α-ketoglutarate, ndi mchere wochokera ku α-ketoglutaric acid, womwe ndi wofunikira kwambiri mu Krebs cycle. Ndi formula ya molekyulu C₅H₆Na₂O₄, chigawochi chimagwira ntchito yofunika kwambiri pa kagayidwe kachakudya komanso kupanga mphamvu zama cell. Sodium α-ketoglutarate imagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikiza zowonjezera zakudya, zowonjezera zakudya, ndi mankhwala. Kapangidwe kake kamalimbikitsa kagayidwe ka amino acid ndi kunyamula nayitrogeni, zomwe zimapangitsa kuti ikhale yofunikira pazakudya komanso zamankhwala. Kumvetsetsa ntchito zake zama biochemical ndi ntchito zake kungathandize kuti igwiritsidwe ntchito bwino paumoyo komanso thanzi.
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MONOBUTYL PHTHALATE CAS:131-70-4
Monobutyl phthalate (MBP), yomwe ndi ester yomwe imachokera ku phthalic acid, imapangidwa ndi kukhazikika kwa molekyulu imodzi ya butanol yokhala ndi phthalic acid. Imagwiritsidwa ntchito makamaka ngati pulasitiki mu polyvinyl chloride (PVC) ndi ma polymer ena kuti iwonjezere kusinthasintha, kulimba, komanso kugwira ntchito. MBP imagwira ntchito yofunika kwambiri pamafakitale osiyanasiyana, kuphatikiza zomatira, zokutira, ndi zomatira. Ngakhale imapereka zinthu zothandiza, pakhala nkhawa zokhudzana ndi zotsatira zake pa thanzi, zomwe zapangitsa kuti kafukufuku apitirire pa chitetezo chake komanso momwe chilengedwe chimakhudzira. Kumvetsetsa makhalidwe ndi kagwiritsidwe ntchito ka MBP ndikofunikira popanga njira zina zotetezeka pazinthu zomwe ogula amagwiritsa ntchito.
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Ethyl (pentafluorobenzoyl)acetate CAS:3516-87-8
Ethyl (pentafluorobenzoyl)acetate ndi mankhwala onunkhira omwe amadziwika ndi kukhalapo kwa gulu la pentafluorobenzoyl lomwe limalumikizidwa ndi ethyl acetate moiety. Mankhwalawa amadziwika chifukwa cha kuphatikiza ma atomu angapo a fluorine, omwe amakhudza kwambiri mphamvu zake zamagetsi, kuphatikizapo lipophilicity ndi reactivity. Ethyl (pentafluorobenzoyl)acetate imagwira ntchito ngati gawo lofunika kwambiri pakupanga zinthu zachilengedwe komanso mankhwala, zomwe zimathandiza kuti pakhale mankhwala osiyanasiyana opangidwa ndi fluorine. Kapangidwe kake kosiyana kamapereka ubwino wapadera pakupanga mankhwala, mankhwala a agrochemicals, ndi sayansi ya zinthu, zomwe zimapangitsa kuti ikhale mankhwala ofunikira kwa ofufuza ndi mafakitale.
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METANESULFONYL HYDRAZIDE CAS:10393-86-9
Methanesulfonyl hydrazide, yomwe imadziwikanso kuti mesylhydrazine, ndi mankhwala achilengedwe omwe ali ndi gulu logwira ntchito la hydrazine lomwe limalumikizidwa ku gawo la methanesulfonyl. Ndi formula ya molekyulu C₂H₇N₃O₂S, mankhwalawa atchuka kwambiri mu mankhwala opangidwa komanso opangidwa chifukwa cha momwe amagwirira ntchito komanso momwe angagwiritsire ntchito. Methanesulfonyl hydrazide imagwira ntchito ngati gawo lofunika kwambiri popanga mankhwala osiyanasiyana ndi mankhwala a agrochemicals. Kapangidwe kake kapadera kamamuthandiza kutenga nawo mbali pazinthu zosiyanasiyana zamakemikolo, zomwe zimapangitsa kuti ikhale chida chothandiza popanga mankhwala atsopano okhala ndi zinthu zachilengedwe kapena zamakemikolo zomwe zimafunidwa.
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N-(5-BROMOPENTYL)PHTHALIMIDE CAS:954-81-4
N-(5-Bromopentyl)phthalimide ndi mankhwala achilengedwe omwe amadziwika ndi gulu la phthalimide lomwe limalumikizidwa ku unyolo wa alkyl wa kaboni zisanu womwe umaphatikizapo cholowa m'malo mwa bromine pamalo omalizira. Mankhwalawa amadziwika chifukwa cha reactivity yake komanso kusinthasintha kwake mu kapangidwe ka organic, makamaka ngati gawo lofunikira pakukonzekera mankhwala osiyanasiyana ndi mankhwala a agrochemicals. Kupezeka kwa atomu ya bromine kumawonjezera mphamvu zake zamagetsi, zomwe zimathandiza kusintha kwa nucleophilic. N-(5-Bromopentyl)phthalimide ndi yofunika kwambiri pa sayansi ya zinthu, makamaka pakupanga ma polima ndi zinthu zogwirira ntchito, zomwe zikuwonetsa kufunika kwake mu kafukufuku wamakono wamankhwala ndi ntchito zake.
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METHYL 2-CHLORO-4-NITROBENZOATE CAS:13324-11-3
Methyl 2-chloro-4-nitrobenzoate ndi mankhwala onunkhira omwe amadziwika ndi kukhalapo kwa gulu la nitro ndi atomu ya chlorine pa mphete ya benzene, pamodzi ndi gulu la methoxycarbonyl. Mankhwalawa amagwira ntchito yofunika kwambiri popanga zinthu zachilengedwe, makamaka m'magawo a mankhwala ndi mankhwala a agrochemicals. Kapangidwe kapadera ka zinthu zosinthira zinthu kumapangitsa kuti mankhwala azigwira ntchito mosiyana, zomwe zimapangitsa kuti zikhale zothandiza pakusintha kosiyanasiyana. Methyl 2-chloro-4-nitrobenzoate imatha kutenga nawo mbali muzochita zosinthira zinthu zamagetsi, zosinthira zinthu za nucleophilic, ndi zina zolumikizira, zomwe zimathandiza kupanga mamolekyu ovuta achilengedwe ndi mankhwala.
