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TEREPHTHALIC DIHYDRAZIDE CAS: 136-64-1
Terephthalic dihydrazide (TPHD) yog ib qho organic compound uas tau los ntawm terephthalic acid, uas muaj ob pawg hydrazine functional. Nws zoo li cov khoom dawb crystalline thiab feem ntau paub txog nws cov txiaj ntsig hauv kev tsim cov polymers thiab lwm yam tshuaj lom neeg. TPHD ua haujlwm ua ib qho tseem ceeb hauv ntau yam tshuaj lom neeg, tshwj xeeb tshaj yog hauv kev tsim cov polyamides thiab lwm yam tshuaj nitrogen. Nws cov qauv tshwj xeeb muab cov yam ntxwv tshwj xeeb uas ua rau nws muaj txiaj ntsig zoo hauv kev tshawb fawb txog cov ntaub ntawv thiab kev siv hauv kev lag luam.
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3-(TRIFLUOROMETHYL) PHENYLHYDRAZINE CAS: 368-78-5
3-(Trifluoromethyl) phenylhydrazine yog ib qho organic compound uas muaj cov qauv phenylhydrazine nrog pawg trifluoromethyl (-CF₃) nyob rau ntawm qhov chaw meta ntawm lub nplhaib aromatic. Cov tshuaj no paub txog nws cov khoom tshwj xeeb, tshwj xeeb tshaj yog vim muaj cov trifluoromethyl moiety, uas ua rau nws cov lipophilicity thiab reactivity zoo dua. Nws yog siv rau hauv kev tsim tshuaj thiab kev tshawb fawb, tshwj xeeb tshaj yog nyob rau hauv cov teb ntawm cov tshuaj chemistry thiab cov ntaub ntawv science.
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P-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE CAS: 2571-00-8
p-Tolualdehyde 2,4-dinitrophenylhydrazone yog ib qho hydrazone derivative tsim los ntawm cov tshuaj tiv thaiv ntawm p-tolualdehyde thiab 2,4-dinitrophenylhydrazine. Cov tshuaj no ua lub luag haujlwm tseem ceeb hauv cov organic chemistry ua ib qho reagent rau kev txheeb xyuas thiab tus cwj pwm ntawm aldehydes thiab ketones. Kev tsim cov hydrazones pab sib txawv cov carbonyl compounds vim lawv cov khoom tshwj xeeb, xws li cov ntsiab lus melting thiab xim sib txawv. Kev nkag siab txog kev tsim thiab tus cwj pwm ntawm p-tolualdehyde 2,4-dinitrophenylhydrazone muab kev nkag siab zoo rau cov txheej txheem tshuaj tiv thaiv organic thiab txhim kho cov txheej txheem rau kev txheeb xyuas molecular.
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m-Tolyl isocyanate CAS: 621-29-4
m-Tolyl isocyanate, yog ib qho tshuaj aromatic isocyanate compound, muaj ib pawg m-tolyl (1-methylphenyl) txuas nrog pawg isocyanate functional (-N=C=O). Cov tshuaj no tau lees paub rau nws cov reactivity thiab ua haujlwm ua lub hauv paus tseem ceeb hauv kev tsim cov organic synthesis. m-Tolyl isocyanate feem ntau siv rau hauv kev tsim cov urea thiab carbamate derivatives los ntawm nws cov tshuaj tiv thaiv nrog amines thiab cawv. Nws cov qauv tshwj xeeb tso cai rau ntau yam kev siv hauv kev kho mob chemistry, cov ntaub ntawv tshawb fawb, thiab agrochemicals, ua rau nws yog ib qho tshuaj tseem ceeb rau cov kws tshawb fawb thiab kev lag luam uas tsom mus rau cov txheej txheem tsim thiab kev tsim cov khoom siv tshiab.
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p-Tolyl isocyanate CAS: 622-58-2
p-Tolyl isocyanate, yog ib qho tshuaj aromatic isocyanate compound, muaj ib pawg tolyl (methyl-substituted phenyl) txuas nrog pawg isocyanate functional (-N=C=O). Cov tshuaj no tseem ceeb heev rau kev tsim cov organic synthesis thiab cov ntaub ntawv science vim nws cov reactivity thiab muaj peev xwm tsim cov urea thiab carbamate derivatives thaum muaj kev sib xyaw nrog amines thiab cawv. p-Tolyl isocyanate ua haujlwm ua lub hauv paus tseem ceeb rau kev tsim cov tshuaj, agrochemicals, thiab polymers. Nws cov qauv tshwj xeeb ua rau nws siv tau ntau yam hauv ntau yam kev siv tshuaj, ua rau nws yog ib qho tshuaj tseem ceeb rau cov kws tshawb fawb thiab cov lag luam uas tsom mus rau kev tsim cov khoom siv tshiab thiab cov txheej txheem tsim.
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O-TOLUALDEHYDE 2,4-DINITROPHENYLHYDRAZONE CAS: 1773-44-0
O-Tolualdehyde 2,4-dinitrophenylhydrazone yog ib qho derivative tsim los ntawm cov tshuaj tiv thaiv ntawm o-tolualdehyde thiab 2,4-dinitrophenylhydrazine. Cov tshuaj no tseem ceeb hauv cov organic chemistry vim nws ua rau muaj kev txheeb xyuas thiab piav qhia txog aldehydes. Kev tsim cov hydrazones yog ib txoj hauv kev tseem ceeb rau kev ntes cov tshuaj carbonyl vim lawv cov ntsiab lus melting sib txawv thiab cov khoom siv lub cev. Kev tsim cov tshuaj no ua haujlwm rau ob qho tib si analytical thiab kev kawm, piav qhia txog cov ntsiab lus tseem ceeb xws li nucleophilic ntxiv thiab dehydration reactions. Kev nkag siab txog o-tolualdehyde 2,4-dinitrophenylhydrazone pab txhawb rau kev siv dav dua hauv cov organic synthesis thiab cov txheej txheem txheeb xyuas molecular.
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α-Ketoglutaric acid disodium ntsev CAS: 305-72-6
α-Ketoglutaric acid disodium ntsev, feem ntau hu ua sodium α-ketoglutarate, yog ntsev uas tau los ntawm α-ketoglutaric acid, uas yog ib qho tseem ceeb hauv lub voj voog Krebs. Nrog rau cov mis molecular C₅H₆Na₂O₄, cov tshuaj no ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm lub cev thiab kev tsim lub zog ntawm lub hlwb. Sodium α-ketoglutarate siv rau hauv ntau yam kev siv, suav nrog cov tshuaj noj, cov khoom noj ntxiv, thiab cov tshuaj. Nws cov khoom txhawb nqa kev ua haujlwm ntawm amino acid thiab kev thauj mus los ntawm nitrogen, ua rau nws muaj txiaj ntsig zoo rau kev noj qab haus huv thiab kev kho mob. Kev nkag siab txog nws lub luag haujlwm thiab kev siv biochemical tuaj yeem txhim kho nws txoj kev siv hauv kev noj qab haus huv thiab kev nyob zoo.
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MONOBUTYL PHTHALATE CAS: 131-70-4
Monobutyl phthalate (MBP), ib qho ester compound uas tau los ntawm phthalic acid, yog tsim los ntawm esterification ntawm ib lub molecule butanol nrog phthalic acid. Nws yog siv ua plasticizer hauv polyvinyl chloride (PVC) thiab lwm yam polymer formulations los txhim kho kev ywj pheej, kev ruaj khov, thiab kev ua haujlwm tau zoo. MBP ua lub luag haujlwm tseem ceeb hauv ntau yam kev siv hauv kev lag luam, suav nrog cov nplaum, cov txheej txheem, thiab cov sealants. Txawm hais tias nws muab cov khoom zoo rau cov ntaub ntawv, kev txhawj xeeb tau tshwm sim txog nws cov teebmeem kev noj qab haus huv, ua rau muaj kev tshawb fawb txuas ntxiv mus rau nws qhov kev nyab xeeb thiab kev cuam tshuam ib puag ncig. Kev nkag siab txog MBP cov yam ntxwv thiab kev siv yog qhov tseem ceeb rau kev tsim cov kev xaiv muaj kev nyab xeeb dua hauv cov khoom siv.
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Ethyl (pentafluorobenzoyl) acetate CAS: 3516-87-8
Ethyl (pentafluorobenzoyl) acetate yog ib qho tshuaj aromatic uas muaj ib pawg pentafluorobenzoyl txuas nrog ib pawg ethyl acetate. Cov tshuaj no muaj ntau hom fluorine atoms, uas cuam tshuam rau nws cov khoom siv tshuaj, suav nrog lipophilicity thiab reactivity. Ethyl (pentafluorobenzoyl) acetate ua haujlwm ua ib qho khoom siv tseem ceeb hauv kev tsim cov organic thiab tshuaj, uas ua rau muaj kev txhim kho ntau yam tshuaj fluorinated. Nws cov qauv sib txawv muab cov txiaj ntsig tshwj xeeb hauv kev tsim tshuaj, agrochemicals, thiab cov ntaub ntawv tshawb fawb, ua rau nws yog ib qho tshuaj tseem ceeb rau cov kws tshawb fawb thiab cov ntawv thov kev lag luam.
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METHANESULFONYL HYDRAZIDE CAS: 10393-86-9
Methanesulfonyl hydrazide, tseem hu ua mesylhydrazine, yog ib qho organic compound uas muaj ib pawg hydrazine functional group txuas nrog ib qho methanesulfonyl moiety. Nrog rau cov mis molecular C₂H₇N₃O₂S, cov tshuaj no tau txais kev saib xyuas hauv ob qho tib si synthetic thiab medicinal chemistry vim nws cov reactivity thiab cov ntawv thov muaj peev xwm. Methanesulfonyl hydrazide ua haujlwm ua ib qho khoom siv nruab nrab muaj txiaj ntsig hauv kev tsim ntau yam tshuaj thiab agrochemicals. Nws cov qauv tshwj xeeb ua rau nws koom nrog ntau yam kev tshuaj lom neeg, ua rau nws yog ib qho khoom siv rau kev tsim cov tshuaj tshiab nrog cov khoom siv biological lossis tshuaj lom neeg xav tau.
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N-(5-BROMOPENTYL) PHTHALIMIDE CAS: 954-81-4
N-(5-Bromopentyl)phthalimide yog ib qho organic compound uas muaj ib pawg phthalimide txuas nrog rau tsib-carbon alkyl saw uas muaj ib qho bromine substituent ntawm qhov chaw kawg. Cov tshuaj no yog qhov tseem ceeb rau nws cov reactivity thiab versatility hauv organic synthesis, feem ntau yog ib qho tseem ceeb hauv kev npaj ntau yam tshuaj thiab agrochemicals. Qhov muaj nyob ntawm bromine atom txhim kho nws cov khoom electrophilic, pab txhawb kev hloov pauv nucleophilic. N-(5-Bromopentyl)phthalimide kuj tseem ceeb hauv kev tshawb fawb txog cov ntaub ntawv, tshwj xeeb tshaj yog hauv kev tsim cov polymers thiab cov ntaub ntawv ua haujlwm, qhia txog nws qhov tseem ceeb hauv kev tshawb fawb tshuaj niaj hnub no thiab kev siv.
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METHYL 2-CHLORO-4-NITROBENZOATE CAS: 13324-11-3
Methyl 2-chloro-4-nitrobenzoate yog ib qho tshuaj aromatic uas muaj ib pawg nitro thiab ib pawg chlorine nyob rau ntawm lub nplhaib benzene, nrog rau ib pawg methoxycarbonyl. Cov tshuaj no ua haujlwm ua ib qho tseem ceeb hauv kev tsim cov organic, tshwj xeeb tshaj yog hauv cov teb ntawm kev kho mob chemistry thiab agrochemicals. Kev npaj tshwj xeeb ntawm cov substituents muab cov tshuaj reactivity sib txawv, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev hloov pauv. Methyl 2-chloro-4-nitrobenzoate tuaj yeem koom nrog cov tshuaj electrophilic substitutions, nucleophilic substitutions, thiab lwm yam kev sib txuas, pab txhawb kev tsim cov organic molecules thiab tshuaj.
