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3-Quinolinecarboxylicacid, 6-bromo-4-hydroxy CAS:122794-99-4
3-Quinolinecarboxylic acid, 6-bromo-4-hydroxy ndi chinthu chochokera ku quinolinecarboxylic acid chomwe chili ndi halogenated. Chili ndi bromine substituent pamalo a 6 ndi gulu la hydroxyl pamalo a 4. Chomerachi chikuwonetsa ntchito zosangalatsa zamoyo, zomwe zimapangitsa kuti chifufuzidwe mu chemistry yamankhwala ndi chitukuko cha mankhwala. Makhalidwe ake a kapangidwe kake amathandizira kuti chikhale chogwiritsidwa ntchito ngati mankhwala kapena ngati chothandizira kusintha mankhwala ena.
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2,6-Dichlorobenzoxazole CAS:3621-82-7
2,6-Dichlorobenzoxazole ndi mankhwala achilengedwe omwe amadziwika ndi mphete ya benzene yomwe imalowetsedwa m'malo mwa maatomu awiri a chlorine ndi gulu la oxazole. Fomula yake ya molekyulu ndi C7H4Cl2N2O. Cholimba chopanda utoto kapena chachikasu chopepuka ichi chimagwiritsidwa ntchito makamaka pakupanga zinthu zachilengedwe. Chimawonetsa zinthu zomwe zimapangitsa kuti chikhale chofunikira pakugwiritsa ntchito mankhwala osiyanasiyana, makamaka pakupanga mankhwala ndi mankhwala a agrochemicals.
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Triethylmethylammonium chloride CAS: 10052-47-8
Triethylmethylammonium chloride (TEMAC) ndi mchere wa ammonium wa quaternary wokhala ndi formula ya mankhwala C7H18ClN. Uli ndi gulu la methyl lomwe limalumikizidwa ku atomu ya nayitrogeni yomwe imalumikizidwanso ndi magulu atatu a ethyl. TEMAC imawoneka ngati madzi opanda mtundu kapena achikasu kapena olimba ndipo imasungunuka m'madzi, ma alcohols, ndi zinthu zosiyanasiyana zachilengedwe. Chomera ichi chimadziwika chifukwa cha mphamvu zake za surfactant ndipo chimagwiritsidwa ntchito kwambiri pophatikiza kusinthika kwa gawo komanso ngati chothandizira kusinthasintha kwa quaternizing.
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D-(-)-THREO-2-AMINO-1-(4-NITROPHENYL)-1,3-PROPANEDIOL CAS:716-61-0
D-(-)-Threo-2-amino-1-(4-nitrophenyl)-1,3-propanediol ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C11H14N2O4. Mankhwalawa ali ndi gulu la amino ndi nitrophenyl yomwe imalumikizidwa ku msana wa propanediol, zomwe zimapangitsa kuti ikhale ndi mphamvu zapadera za mankhwala. Chikhalidwe chake cha chiral chimapangitsa kuti ikhale yofunika kwambiri pakufufuza ndi kupanga mankhwala, makamaka popanga mamolekyulu omwe amagwira ntchito m'thupi. Kuphatikiza kwapadera kwa magulu ogwira ntchito kumapereka mwayi wogwiritsidwa ntchito mosiyanasiyana m'malo osiyanasiyana a mankhwala.
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Methyltriphenylphosphonium bromide CAS:1779-49-3
Methyltriphenylphosphonium bromide (MTPB) ndi mchere wa quaternary phosphonium wokhala ndi formula ya mankhwala C19H20BrP. Uli ndi gulu la methyl lomwe limalumikizidwa ku phosphonium ion yomwe imalumikizidwanso ndi magulu atatu a phenyl. MTPB imawoneka ngati yoyera mpaka yachikasu crystalline solid ndipo imasungunuka mu polar organic solvents. Phala ili limadziwika kwambiri chifukwa cha ntchito yake ngati reagent mu organic synthesis, makamaka pakupanga ma ylides komanso mu coupling reactions osiyanasiyana.
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tert-Butylhydroquinone CAS:1948-33-0
Tert-Butylhydroquinone (TBHQ) ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C10H14O2. Ili ndi kapangidwe ka hydroquinone komwe kali ndi gulu la tert-butyl lomwe limalumikizidwa ndi imodzi mwa ma carbon okhala ndi hydroxyl, zomwe zimapangitsa kuti ikhale yolimba komanso yolimba. TBHQ imadziwika kwambiri ndi mphamvu zake zotsutsana ndi ma antioxidants, zomwe zimapangitsa kuti ikhale yowonjezera yofunika kwambiri m'mafakitale osiyanasiyana. Mankhwalawa amaletsa kukhuthala kwa zakudya ndi zinthu zina, zomwe zimathandiza kuti zikhale zabwino komanso kuti zizikhala nthawi yayitali.
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Triethylamine hydrochloride CAS: 554-68-7
Triethylamine hydrochloride ndi mchere wopangidwa kuchokera ku triethylamine ndi hydrochloric acid, yokhala ndi formula ya mankhwala C6H15ClN. Imawoneka ngati crystalline yoyera kapena ufa ndipo imasungunuka kwambiri m'madzi. Triethylamine yokha ndi amine yachitatu yomwe imagwiritsidwa ntchito kwambiri ngati maziko mu kapangidwe ka organic. Mtundu wa hydrochloride umagwira ntchito ngati mtundu wokhazikika, wosavuta kusamalidwa woyenera kugwiritsidwa ntchito m'malo osiyanasiyana m'ma laboratories ndi mafakitale, makamaka popanga mankhwala ndi mankhwala.
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![1-ChloroMethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) CAS:140681-55-6](https://cdn.globalso.com/xindaobiotech/VYH6FUCIIBE_I7B6OOPY408.png)
1-ChloroMethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) CAS:140681-55-6
1-ChloroMethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) ndi chinthu chovuta chachilengedwe chokhala ndi kapangidwe kapadera ka bicyclic komwe kali ndi ntchito za diazonium ndi fluoroalkyl. Chinthuchi chimakhala ndi bicyclo[2.2.2]octane scaffold, zomwe zimathandiza kuti chikhale chokhazikika komanso chosinthika. Kupezeka kwa chloro ndi fluorine substituents kumawonjezera mphamvu zake zamagetsi, zomwe zimapangitsa kuti chikhale chosangalatsa kwambiri pakugwiritsa ntchito mankhwala osiyanasiyana.
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Ethyltriphenylphosphonium bromide CAS:1530-32-1
Ethyltriphenylphosphonium bromide (ETPB) ndi mchere wa quaternary phosphonium wokhala ndi formula ya mankhwala C19H21BrP. Uli ndi gulu la ethyl lomwe limalumikizidwa ku phosphonium ion yolumikizidwa ku magulu atatu a phenyl. ETPB nthawi zambiri imawoneka ngati crystalline solid yoyera ndipo imasungunuka mu zosungunulira zosiyanasiyana za polar organic. Phala ili limagwiritsidwa ntchito kwambiri ngati reagent mu organic synthesis, makamaka popanga ma ylides ndi zinthu zina zofunika kwambiri.
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Tetrapropylammonium bromide CAS:429-41-4
Tetrapropylammonium bromide (TPAB) ndi mchere wa ammonium wa quaternary wokhala ndi formula ya mankhwala C12H28BrN. Uli ndi tetrapropylammonium cation yolumikizidwa ndi anion ya bromide. TPAB imawoneka ngati crystalline solid yoyera ndipo imasungunuka mu solvents ya polar. Chomerachi chimadziwika kwambiri ndi mphamvu zake za surfactant ndipo chimagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana, makamaka mu organic synthesis komanso ngati phase transfer catalyst.
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L-Isoserine CAS: 632-13-3
L-Isoserine ndi amino acid yomwe ndi analogi ya serine, yokhala ndi formula ya mankhwala C3H7NO3. Ili ndi gulu la hydroxyl (-OH) ndi gulu la amino (-NH2) lolumikizidwa ku mafupa a kaboni, zomwe zimapangitsa kuti ikhale gawo lofunikira kwambiri m'njira zosiyanasiyana za biochemical. Amino acid iyi yopanda mapuloteni imagwira ntchito m'njira za kagayidwe kachakudya ndipo yaphunziridwa chifukwa cha momwe ingagwiritsidwire ntchito pazakudya ndi mankhwala. Kapangidwe kake kapadera kamailola kutenga nawo mbali mu zochita za enzymatic ndikukhudza kukhazikika kwa mapuloteni.
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Tetrabutylammonium fluoride CAS: 429-41-4
Tetrabutylammonium fluoride (TBAF) ndi mchere wa ammonium wa quaternary wokhala ndi formula ya mankhwala C16H36FN. Uli ndi tetrabutylammonium cation ndi fluoride anion. TBAF imawoneka ngati crystalline solid yoyera, yomwe nthawi zambiri imapezeka ngati hydrate (TBAF·3H2O), ndipo imasungunuka mu polar organic solvents, kuphatikizapo acetone ndi THF. Phala ili limadziwika kwambiri ndi mphamvu zake zamphamvu za nucleophilic ndipo limagwiritsidwa ntchito kwambiri popanga organic ndi machitidwe osiyanasiyana a mankhwala.
