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(1S,2S)-2-(3-bromophenyl)cyclopropanecarboxylic acid CAS: 2165565-11-5
(1S,2S)-2-(3-bromophenyl)cyclopropanecarboxylic acid yog ib qho chiral compound nrog cov ntawv thov tseem ceeb hauv kev tsim tshuaj thiab kev tshawb fawb txog tshuaj lom neeg. Nws cov qauv molecular muaj cov cyclopropanecarboxylic acid moiety nrog bromophenyl substituent, qhia txog cov khoom sib txawv stereochemical tseem ceeb rau ntau yam kev siv. Cov tshuaj no ua haujlwm ua lub hauv paus tseem ceeb rau kev tsim cov enantiomerically pure molecules thiab cov tshuaj intermediates, pab txhawb kev tsim cov tshuaj kho mob thiab cov tshuaj molecular probes.
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1-(4-Chloro-phenyl)-5-oxo-pyrrolidine-3-carboxylic acid CAS: 39629-87-3
1-(4-Chloro-phenyl)-5-oxo-pyrrolidine-3-carboxylic acid yog ib hom tshuaj uas siv dav hauv kev tsim tshuaj thiab kev tsim tshuaj. Nws cov qauv molecular muaj ib lub nplhaib pyrrolidine nrog 4-chlorophenyl substituent thiab ib qho carboxylic acid moiety, muab cov khoom siv tshuaj tshwj xeeb uas tseem ceeb rau ntau yam kev siv. Cov tshuaj no ua haujlwm ua ib qho khoom siv nruab nrab rau kev tsim cov tshuaj lom neeg thiab cov ntaub ntawv ua haujlwm, ua lub luag haujlwm tseem ceeb hauv kev tshawb nrhiav tshuaj thiab kev tshawb fawb txog organic chemistry.
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![(1R,2S)-[2-(4-Bromo-phenyl)-cyclopropyl]-carbamic acid tert-butyl ester CAS: 907196-12-7](https://cdn.globalso.com/xindaobiotech/6FOL1BS0UMD0X9Z402210.png)
(1R,2S)-[2-(4-Bromo-phenyl)-cyclopropyl]-carbamic acid tert-butyl ester CAS: 907196-12-7
(1R,2S)-[2-(4-Bromo-phenyl)-cyclopropyl]-carbamic acid tert-butyl ester yog ib qho chiral compound nrog cov ntawv thov tseem ceeb hauv kev tsim tshuaj thiab kev tshawb fawb txog tshuaj. Nws cov qauv molecular muaj cyclopropylcarbamic acid moiety nrog 4-bromophenyl substituent, qhia txog cov khoom stereochemical sib txawv tseem ceeb rau ntau yam kev siv. Cov tshuaj no ua haujlwm ua lub tsev chiral muaj txiaj ntsig rau kev tsim cov enantiomerically pure molecules thiab cov tshuaj intermediates, pab txhawb kev tsim cov tshuaj kho mob thiab cov tshuaj molecular probes.
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Sodiumcarbonate CAS: 497-19-8
Sodium carbonate, feem ntau hu ua soda ash lossis washing soda, yog ib qho tshuaj lom neeg uas muaj tus qauv Na2CO3. Nws yog ib qho hmoov dawb, tsis muaj ntxhiab uas yaj tau hauv dej thiab siv dav hauv ntau yam kev lag luam thiab hauv tsev.
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Sodiumthiosulfate CAS: 7772-98-7
Sodium thiosulfate, nrog rau cov mis tshuaj Na2S2O3, yog ib qho khoom siv dawb crystalline uas yaj tau hauv dej. Nws yog tsim los ntawm kev sib xyaw ntawm sodium sulfite nrog sulfur. Sodium thiosulfate pom tias siv dav hauv cov txheej txheem kev lag luam, kev thaij duab, kev kho mob, thiab kev tshem cov chlorine hauv dej vim nws cov yam ntxwv txo qis, muaj peev xwm tshem tawm cov chlorine, thiab lub luag haujlwm hauv kev ntsuas complexometric.
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Sodiumacetate CAS: 127-09-3
Sodium acetate, nrog rau cov tshuaj mis CH3COONa, yog ib qho crystalline compound soluble hauv dej. Nws yog tsim los ntawm kev neutralization ntawm acetic acid nrog sodium carbonate lossis sodium hydroxide. Sodium acetate pom kev siv dav hauv cov txheej txheem kev lag luam, kev kho mob, thiab kev siv ua noj ua haus vim nws lub peev xwm buffering, muaj peev xwm tswj acidity, thiab lub luag haujlwm ua qhov chaw ntawm sodium ions.
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Sodiumsulfite CAS: 7757-83-7
Sodium sulfite, nrog rau cov tshuaj formula Na2SO3, yog ib qho dawb crystalline compound soluble hauv dej. Nws yog tsim los ntawm kev neutralization ntawm sulfur dioxide nrog sodium hydroxide. Sodium sulfite pom dav siv hauv cov txheej txheem kev lag luam, kev tsim tshuaj lom neeg, thiab kev kho dej vim nws cov khoom txo qis, cov peev xwm antioxidant, thiab muaj peev xwm tshem tawm cov pa oxygen yaj ntawm cov kua dej.
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Sodiummetabisulfite CAS: 7681-57-4
Sodium metabisulfite, nrog rau cov mis tshuaj Na2S2O5, yog ib qho khoom siv dawb crystalline uas yaj tau hauv dej. Nws yog tsim los ntawm kev sib xyaw ntawm sodium bisulfite nrog sodium hydroxide. Sodium metabisulfite pom tias siv dav hauv cov txheej txheem kev lag luam, kev khaws cia zaub mov, thiab kev kho dej vim nws cov khoom antioxidant, muaj peev xwm tshem tawm chlorine, thiab ua haujlwm ua tus neeg sawv cev txo qis.
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Poly (vinyl cawv) CAS: 9002-89-5
Poly(vinyl cawv) (PVA) yog ib hom polymer tsim los ntawm kev hydrolysis ntawm poly(vinyl acetate). Nws yog tus cwj pwm los ntawm nws cov dej-soluble, biodegradability, thiab zaj duab xis-ua cov khoom. PVA yog dav siv rau hauv ntau yam kev lag luam thiab kev lag luam vim nws qhov kev hloov pauv tau thiab cov khoom zoo, suav nrog nws lub peev xwm los ua tus binder, emulsifier, thiab tus neeg sawv cev thaiv.
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POLY(ALLYLAMINE) CAS: 30551-89-4
Poly(allylamine) yog ib qho polymer compound uas paub txog nws qhov kev ua tau zoo thiab ntau yam kev siv hauv ntau yam lag luam.
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Phenylaceticacidmethylester CAS: 101-41-7
Phenylacetic Acid Methyl Ester, tseem hu ua methyl phenylacetate, yog ib qho tshuaj sib xyaw nrog cov mis molecular C9H10O2. Nws feem ntau siv rau hauv kev tsim cov organic, tshwj xeeb tshaj yog hauv kev lag luam tshuaj tsw qab thiab tsw qab. Cov tshuaj no ua haujlwm ua lub hauv paus rau kev tsim ntau yam vim nws qhov aromatic thiab reactivity, ua rau muaj kev sib xyaw ntawm ntau yam aromatic sib xyaw.
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Oxalicaciddihydrate CAS: 6153-56-6
Oxalic acid dihydrate, uas yog cov tshuaj lom neeg H2C2O4 · 2H2O, yog ib qho khoom siv crystalline uas muaj cov tshuaj solubility zoo hauv dej. Nws tsim cov xim tsis muaj xim thiab feem ntau pom muaj nyob rau hauv xwm raws li ib feem ntawm qee cov nroj tsuag thiab zaub. Hauv nws daim ntawv hydrated, oxalic acid yog siv dav hauv cov txheej txheem kev lag luam, kev sim hauv chaw kuaj mob, thiab kev tsim tshuaj vim nws cov khoom acidic thiab muaj peev xwm tsim cov ntsev hu ua oxalates.
