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Triethyl orthobutyrate CAS: 24964-76-9
Triethyl orthobutyrate, nrog rau cov tshuaj lom neeg C₁₂H₂₄O₄, yog ib qho organic compound uas raug cais ua orthoester. Nws muaj peb pawg ethyl txuas rau ib qho butyric acid-derived moiety. Cov tshuaj no feem ntau yog siv rau hauv kev tsim cov organic thiab ua haujlwm ua cov reagent ntau yam rau kev tsim cov esters, ketones, thiab ntau yam organic intermediates. Triethyl orthobutyrate lub peev xwm los koom nrog hauv hydrolysis thiab condensation reactions tso nws ua ib qho cuab yeej muaj txiaj ntsig hauv kev kho mob tshuaj thiab cov ntaub ntawv tshawb fawb. Nws cov ntawv thov nthuav dav mus rau kev lag luam tsw qab thiab tshuaj tsw qab, qhia txog nws qhov tseem ceeb tsis yog hauv kev tshawb fawb xwb tab sis kuj tseem nyob rau hauv cov khoom lag luam.
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D(+)-Galactosamine hydrochloride CAS: 1772-03-8
D(+)-Galactosamine hydrochloride yog ib qho amino qab zib uas muaj nyob hauv ntuj thiab yog ib qho tseem ceeb hauv kev sib xyaw nrog cov mis molecular C₆H₁₃ClN₂O₅. Nws yog los ntawm galactose thiab muaj ib pawg amine, uas muab cov khoom tshwj xeeb hauv biochemical. D(+)-Galactosamine ua lub luag haujlwm tseem ceeb hauv ntau txoj kev zom zaub mov thiab koom nrog kev tsim cov glycoproteins thiab glycolipids. Nws qhov tseem ceeb nthuav dav mus rau kev tshawb fawb hauv cell biology thiab immunology, qhov twg nws yog siv los ua ib qho cuab yeej los kawm txog cov txheej txheem cellular. Tsis tas li ntawd, cov tshuaj no tau txais kev saib xyuas rau nws cov kev siv kho mob, tshwj xeeb tshaj yog nyob rau hauv cov ntsiab lus ntawm cov kab mob siab thiab mob pob qij txha.
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Ammonium sulfate CAS: 7783-20-2
Ammonium sulfate yog ib qho ntsev inorganic nrog cov mis tshuaj (NH₄)₂SO₄. Nws zoo li cov khoom dawb crystalline uas yaj tau zoo hauv dej, ua rau nws yog ib qho tseem ceeb hauv ntau yam kev lag luam thiab kev ua liaj ua teb. Ammonium sulfate feem ntau yog siv ua chiv uas muaj nitrogen ntau, muab cov as-ham tseem ceeb rau cov qoob loo thiab txhim kho av av kom zoo. Tsis tas li ntawd, nws ua haujlwm ua tus neeg sawv cev hauv cov txheej txheem purification protein hauv biochemistry thiab molecular biology. Nws tus nqi pheej yig thiab ua haujlwm tau zoo ua qhov chaw muab khoom noj khoom haus pab txhawb rau nws siv dav hauv kev ua liaj ua teb, chaw soj nstuam, thiab kev tsim khoom noj.
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Triethyl orthoacetate CAS: 78-39-7
Triethyl orthoacetate, nrog rau cov tshuaj lom neeg C₈H₁₄O₃, yog ib qho tshuaj tseem ceeb hauv kev tsim cov tshuaj organic, tshwj xeeb tshaj yog hauv cov teb ntawm kev kho mob chemistry thiab cov ntaub ntawv tshawb fawb. Ua ib tug tswv cuab ntawm tsev neeg orthoester, nws muaj peb pawg ethyl txuas nrog rau ib qho acetic acid-derived moiety. Triethyl orthoacetate feem ntau yog siv ua lub tsev thaiv rau kev tsim ntau yam organic compounds, suav nrog esters, ketones, thiab heterocycles. Nws lub peev xwm los dhau hydrolysis thiab condensation reactions ua rau nws yog ib qho cuab yeej pab tau rau cov kws tshuaj tshawb nrhiav ntau txoj hauv kev tsim tshuaj. Tsis tas li ntawd, nws lub luag haujlwm hauv kev npaj cov tshuaj qhia txog nws qhov tseem ceeb hauv kev tshawb pom tshuaj thiab kev txhim kho.
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N-Benzylglycine ethyl ester CAS: 6436-90-4
N-Benzylglycine ethyl ester yog ib qho organic compound uas muaj ib pawg benzyl thiab ib pawg ethyl ester functional uas txuas nrog glycine. Nrog rau cov tshuaj mis C₉H₁₁NO₂, cov tshuaj no ua haujlwm ua ib qho tseem ceeb hauv kev tsim cov organic thiab tshuaj lom neeg. N-Benzylglycine ethyl ester tau txais txiaj ntsig tshwj xeeb rau nws cov ntawv thov hauv kev tsim cov tshuaj thiab cov tshuaj agrochemicals. Nws cov yam ntxwv ntawm cov qauv ua rau nws koom nrog ntau yam tshuaj lom neeg, ua rau nws yog ib qho tshuaj lom neeg rau cov kws tshawb fawb tshawb nrhiav cov txheej txheem tsim tshiab lossis tshawb nrhiav cov haujlwm ntawm lub cev.
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Hydroxylamine hydrochloride CAS: 5470-11-1
Hydroxylamine hydrochloride yog ib qho tshuaj lom neeg uas muaj cov mis NH₂OH·HCl. Nws muaj hydroxylamine, ib qho amine derivative uas muaj ib pawg hydroxyl, ua ke nrog hydrochloric acid hauv nws daim ntawv ntsev. Cov khoom dawb crystalline no yaj tau hauv dej thiab muaj cov khoom txo qis, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv. Hydroxylamine hydrochloride yog siv dav hauv kev tsim cov organic, tshwj xeeb tshaj yog rau kev txo cov carbonyl sib xyaw rau lawv cov cawv sib xws thiab ua cov tshuaj reagent hauv kev tshuaj xyuas tshuaj. Tsis tas li ntawd, nws ua lub luag haujlwm tseem ceeb hauv kev tsim cov tshuaj, tshuaj tua kab, thiab polymers, qhia txog nws qhov tseem ceeb hauv kev tshawb fawb thiab kev lag luam.
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N,N-Dimethylglycine hydrochloride CAS: 2491-06-7
N,N-Dimethylglycine hydrochloride yog ib qho derivative ntawm glycine qhov twg ob pawg methyl txuas nrog rau nitrogen atom, ua rau muaj ib qho quaternary ammonium compound. Nrog rau cov tshuaj mis C₄H₁₁ClN₂O₂, cov tshuaj no muaj nyob rau hauv cov ntsev hydrochloride, ua kom nws cov solubility thiab kev ruaj khov hauv cov kua dej. N,N-Dimethylglycine tau lees paub rau nws lub luag haujlwm hauv cov txheej txheem metabolic, suav nrog nws txoj kev koom tes hauv methylation reactions thiab nws siv ua cov khoom noj khoom haus uas paub txog cov txiaj ntsig zoo hauv kev ua haujlwm ntawm lub hlwb thiab kev ua siab ntev. Nws cov khoom biochemical ua rau nws yog ib qho kev tshawb fawb hauv kev tshawb fawb txog kev noj haus thiab pharmacology.
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N,N-Dimethylglycine CAS: 1118-68-9
N,N-Dimethylglycine (DMG) yog ib qho derivative ntawm amino acid glycine, qhov twg ob pawg methyl txuas nrog rau nitrogen atom. Nrog rau cov tshuaj formula C₄H₁₁N₂O₂, DMG yog ib qho tshuaj uas tshwm sim ntuj uas pom muaj me me hauv ntau yam kab mob hauv lub cev. Nws ua lub luag haujlwm hauv ntau cov txheej txheem metabolic, suav nrog cov tshuaj methylation thiab kev tsim hluav taws xob. DMG tau txais kev saib xyuas ua ib qho khoom noj khoom haus ntxiv vim nws cov txiaj ntsig kev noj qab haus huv, tshwj xeeb tshaj yog hauv kev txhim kho kev ua haujlwm ntawm lub hlwb, txhim kho kev ua kis las, thiab txhawb nqa kev noj qab haus huv ntawm lub cev. Nws cov khoom biochemical ua rau nws tseem ceeb hauv kev tshawb fawb txog kev noj haus thiab kev siv hauv kev kho mob.
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2,6-Difluoroanisole CAS: 437-82-1
2,6-Difluoroanisole yog ib qho organic compound uas muaj ib pawg methoxy (-OCH₃) thiab ob lub fluorine atoms hloov pauv ntawm lub nplhaib benzene ntawm 2 thiab 6 qhov chaw. Nrog rau cov mis molecular C8H8F2O, cov difluorinated derivative no ua ke cov khoom siv hluav taws xob tshwj xeeb ntawm fluorine nrog rau cov tshuaj reactivity ntawm pawg methoxy. Qhov muaj cov substituents no ua rau nws cov ntawv thov muaj peev xwm hauv ntau qhov chaw xws li tshuaj chemistry, agrochemical synthesis, thiab cov ntaub ntawv science. Raws li ib qho versatile intermediate, 2,6-difluoroanisole ua haujlwm ua lub tsev thaiv tseem ceeb rau kev tsim cov tshuaj tshiab nrog cov khoom siv biological thiab lub cev.
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2,6-dichloro-3-fluorobenzonitrile CAS: 136514-16-4
2,6-Dichloro-3-fluorobenzonitrile yog ib qho tshuaj organic uas muaj nws lub nplhaib aromatic uas hloov nrog chlorine thiab fluorine atoms nrog rau ib pawg nitrile functional. Cov tshuaj no muaj kev txaus siab rau kev tshuaj lom neeg thiab kev tshawb fawb txog khoom siv vim nws cov khoom siv hluav taws xob tshwj xeeb thiab cov haujlwm biological. Qhov muaj cov halogen substituents tuaj yeem txhim kho lipophilicity thiab reactivity ntawm cov tshuaj, ua rau nws yog ib qho tseem ceeb rau kev tsim tshuaj thiab kev txhim kho. Tsis tas li ntawd, pawg nitrile pab txhawb rau nws qhov kev hloov pauv hauv kev hloov pauv tshuaj ntxiv, tso cai rau kev tsim ntau yam derivatives nrog cov haujlwm tshwj xeeb.
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2,4-Difluoro-3-methoxybenzoic acid CAS: 178974-97-5
2,4-Difluoro-3-methoxybenzoic acid yog ib qho organic compound uas paub zoo txog nws txoj kev sib xyaw ua ke ntawm cov pab pawg ua haujlwm thiab cov fluorine substituents ntawm lub nplhaib aromatic. Nrog rau cov mis molecular C9H8F2O3, cov benzoic acid derivative no muaj ob lub fluorine atoms ntawm 2 thiab 4 txoj haujlwm thiab ib pawg methoxy (-OCH₃) ntawm 3 txoj haujlwm. Qhov muaj cov substituents no ua rau muaj cov khoom siv hluav taws xob sib txawv uas tuaj yeem txhim kho lub molecule reactivity thiab solubility. Cov tshuaj no yog qhov txaus siab rau kev kho mob chemistry thiab cov ntaub ntawv science vim nws cov ntawv thov hauv kev tsim tshuaj thiab ua ib qho nruab nrab hauv cov txheej txheem tsim.
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Sodium sulfate CAS: 7757-82-6
Sodium sulfate yog ib qho inorganic compound nrog cov tshuaj mis Na₂SO₄. Cov khoom dawb crystalline no, feem ntau hu ua Glauber's salt hauv nws daim ntawv decahydrate (Na₂SO₄·10H₂O), yog soluble heev hauv dej thiab muaj ntau yam kev siv thoob plaws ntau yam lag luam. Sodium sulfate feem ntau yog siv ua tus neeg sawv cev ziab hauv cov organic synthesis, ib qho filler hauv detergents, thiab ib qho khoom tseem ceeb hauv kev tsim iav. Nws lub peev xwm los nqus cov dej noo thiab pab txhawb cov tshuaj lom neeg ua rau nws yog ib qho khoom muaj nqis hauv ob qho tib si kev lag luam thiab chaw kuaj mob.
