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Tom ntej: Trimethylol Propane CAS: 23235-61-2
Di(trimethylolpropane) yog ib qho organic compound uas muaj ob hom trimethylolpropane moieties, uas yog cov cawv ntau yam uas muaj peb pawg hydroxymethyl. Cov compound no siv dav hauv kev tsim cov polyesters, polyurethanes, thiab lwm yam khoom siv polymeric vim nws muaj peev xwm txhim kho cov khoom siv kho tshuab thiab txhim kho kev ruaj khov. Nws cov qauv tso cai rau kev sib txuas ntau yam, ua rau nws yog ib qho khoom siv nruab nrab muaj txiaj ntsig hauv ntau yam kev siv hauv kev lag luam.
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1,3-PROPANEDIOL DI-P-TOLUENESULFONATE CAS: 5469-66-9
1,3-Propanediol di-p-toluenesulfonate yog ib qho organic compound uas tau los ntawm 1,3-propanediol thiab p-toluenesulfonic acid. Nws zoo li cov kua daj daj mus rau cov kua tsis muaj xim, paub txog nws qhov solubility zoo heev thiab ruaj khov hauv ntau yam kuab tshuaj. Cov tshuaj no ua haujlwm ua ib qho nruab nrab zoo hauv kev tsim cov organic thiab tau txais kev txaus siab rau cov teb xws li tshuaj, polymers, thiab kev tsim tshuaj vim nws cov tshuaj reactivity tshwj xeeb.
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(R)-(+)-4-CHLOROMETHYL-2,2-DIMETHYL-1,3-DIOXOLANE CAS: 57044-24-3
(R)-(+)-4-Chloromethyl-2,2-dimethyl-1,3-dioxolane yog ib qho chiral organic compound uas muaj lub nplhaib dioxolane nrog lub chloromethyl substituent. Nws cov qauv tshwj xeeb muab cov khoom siv tshuaj tshwj xeeb, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv tshuaj. Cov tshuaj no feem ntau yog synthesized rau kev siv hauv organic chemistry ua ib qho nruab nrab hauv kev tsim cov molecules nyuaj dua. Nws cov chirality tso cai rau kev tsim cov tshuaj enantiomerically ntshiab, uas yog qhov tseem ceeb hauv kev tshuaj thiab lwm yam tshuaj zoo.
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3-(Diethylamino)-1,2-propanediol CAS: 621-56-7
3-(Diethylamino)-1,2-propanediol yog ib qho organic compound uas muaj propanediol backbone nrog ib pawg diethylamino txuas nrog rau cov pa roj carbon thib peb. Cov tshuaj no feem ntau tsis muaj xim lossis daj ntseg thiab muaj cov khoom hygroscopic. Nws tau lees paub rau nws lub luag haujlwm ua ib qho versatile intermediate hauv organic synthesis, tshwj xeeb tshaj yog hauv kev tsim cov tshuaj thiab agrochemicals vim nws muaj peev xwm ua raws li nucleophile thiab nws cov tshuaj reactivity tshwj xeeb.
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1,2-Propyleneglycol diacetate CAS: 623-84-7
1,2-Propyleneglycol diacetate yog ib qho organic compound uas yog ib feem ntawm tsev neeg glycol diesters, uas muaj ob pawg acetate txuas rau propylene glycol backbone. Cov kua tsis muaj xim no muaj ntxhiab tsw qab thiab yaj tau zoo hauv ntau yam organic solvents. Nws feem ntau yog siv ua cov kuab tshuaj thiab plasticizer hauv cov qauv thoob plaws ntau yam lag luam, suav nrog cov tshuaj pleev ib ce, khoom noj, thiab tshuaj, vim nws cov khoom zoo xws li tsis tshua muaj volatility thiab ruaj khov zoo heev.
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(S)-3-tert-Butylamino-1,2-propanediol CAS: 30315-46-9
(S)-3-tert-Butylamino-1,2-propanediol yog ib qho chiral organic compound uas muaj cov pab pawg tert-butyl thiab pab pawg amino txuas rau propanediol backbone. Cov tshuaj no zoo li cov kua tsis muaj xim lossis khoom khov thiab nws tseem ceeb rau nws cov haujlwm biological thiab cov ntawv thov hauv tshuaj. Nws cov chirality yog qhov tseem ceeb, vim nws tuaj yeem ua kom pom cov khoom sib txawv thiab cov haujlwm raws li nws cov qauv stereochemical, ua rau nws yog ib yam khoom muaj nqis hauv kev sib xyaw asymmetric.
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1,3,2-Dioxathiane 2-oxide CAS: 4176-55-0
1,3,2-Dioxathiane 2-oxide yog ib qho heterocyclic compound uas muaj ib lub nplhaib uas muaj rau tus tswv cuab uas muaj ob lub oxygen atoms thiab ib lub sulfur atom. Nws paub txog nws cov khoom siv tshuaj lom neeg tshwj xeeb, suav nrog kev ruaj khov nyob rau hauv ntau yam mob. Cov tshuaj no feem ntau yog siv rau hauv kev tsim cov organic synthesis thiab ua ib qho nruab nrab hauv kev tsim cov molecules nyuaj dua. Vim nws cov qauv sib txawv, nws pom cov ntawv thov hauv kev tsim cov tshuaj, agrochemicals, thiab cov tshuaj tshwj xeeb.
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Chloroaphenicol CAS: 56-75-7
Chloroamphenicol yog ib hom tshuaj tua kab mob dav dav uas tau los ntawm cov kab mob Streptomyces venezuelae. Nws yog ib qho tshuaj crystalline tsis muaj xim uas paub txog nws lub peev xwm los tiv thaiv cov protein synthesis ntawm cov kab mob los ntawm kev khi rau 50S ribosomal subunit. Txawm hais tias nws muaj txiaj ntsig zoo rau ntau hom kab mob gram-positive thiab gram-negative, nws txoj kev siv tau raug txwv vim muaj cov kev mob tshwm sim, suav nrog aplastic anemia. Niaj hnub no, chloroamphenicol feem ntau yog siv rau hauv kev siv kho mob tshwj xeeb thiab kev tshawb fawb.
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2-BUTYL-2-ETHYL-1,3-PROPANEDIOL CAS: 115-84-4
2-Butyl-2-ethyl-1,3-propanediol yog ib qho organic compound uas muaj cov qauv branched uas muaj butyl thiab ethyl pawg txuas rau propanediol backbone. Cov kua tsis muaj xim no muaj peev xwm yaj tau zoo hauv dej thiab ntau yam organic solvents, ua rau nws yog ib yam khoom siv tau ntau yam rau kev siv hauv kev lag luam. Nws cov khoom siv tshuaj lom neeg tshwj xeeb pab txhawb rau nws txoj kev ua haujlwm zoo li cov kuab tshuaj thiab cov yas ua kom yas, ua rau muaj kev txaus siab rau nws siv thoob plaws ntau qhov chaw, suav nrog cov tshuaj pleev ib ce, tshuaj, thiab cov ntaub ntawv tshawb fawb.
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2-(2,2-DIETHOXYETHYL)-1,3-PROPANEDIOL CAS: 55387-85-4
2-(2,2-Diethoxyethyl)-1,3-propanediol yog ib qho organic compound uas muaj propanediol backbone nrog diethoxyethyl substituents. Cov kua tsis muaj xim no muaj viscosity qis thiab yaj tau hauv dej thiab ntau yam organic solvents. Nws cov qauv tshwj xeeb ua rau nws muaj cov khoom hydrophilic zoo heev, ua rau nws tsim nyog rau ntau yam kev siv hauv kev lag luam tshuaj lom neeg thiab tshuaj. Nws feem ntau yog siv ua cov kuab tshuaj, plasticizer, thiab ib qho tseem ceeb hauv kev tsim khoom.
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2,2-DIISOAMYL-1,3-PROPANEDIOL CAS: 403519-64-2
2,2-Diisoamyl-1,3-propanediol yog ib qho organic compound uas muaj nws cov propanediol backbone nrog ob pawg isoamyl txuas rau cov pa roj carbon thib ob. Nws yog ib qho kua tsis muaj xim, viscous uas paub txog nws cov yam ntxwv zoo li glyceryl. Cov tshuaj no tau txais kev saib xyuas hauv ntau qhov chaw vim nws cov qauv molecular tshwj xeeb thiab cov peev xwm siv hauv kev tsim tshuaj lom neeg thiab cov ntaub ntawv tshawb fawb.
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METHYL OXALYL CHLORIDE CAS: 5781-53-3
Methyl oxalyl chloride yog ib qho tseem ceeb aromatic compound uas muaj ob pawg carbonyl thiab ib qho chlorine atom txuas rau ib pawg methyl. Nrog rau cov tshuaj lom neeg C4H3ClO3, cov tshuaj no ua haujlwm ua ib qho tseem ceeb hauv kev tsim cov organic, tshwj xeeb tshaj yog hauv kev npaj ntau yam tshuaj thiab agrochemicals. Nws cov reactivity tshwm sim los ntawm qhov muaj ob qho tib si oxalyl thiab chlorinated functionalities, uas ua rau nws koom nrog ntau yam kev hloov pauv tshuaj. Kev tshawb fawb txog methyl oxalyl chloride tau hais txog nws qhov tseem ceeb hauv kev tsim cov molecules nyuaj, suav nrog cov heterocycles muaj txiaj ntsig thiab lwm yam bioactive compounds.
