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J & K SCIENTIFIC LTD.??? ?? ??? ?????.

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
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(R)-3-Bromo-4,4-dimethyldihydrofuran-2-one(R)-3-???-4,4-?????????-2-?1217724-84-9C6H9BrO2
Ethyl 2-cyclohexyl-2-oxoacetate??2-?????-2-???????13275-31-5C10H16O3
Phthalic acid, 99%?? ?88-99-3C8H6O4
4-Bromo-2-fluoronitrobenzene, 97%2-????-4-????????321-23-3C6H3BrFNO2
1,2-Phenylene diisothiocyanate1,2-???DIISOTHIOCYANATE71105-17-4C8H4N2S2
3-[(4'-methylbiphenyl-4-yl)oxy]butan-2-one(SALTDATA: FREE)???17224449737-08-0C17H18O2
Vinyl Hexanoate (stabilized with MEHQ)??? ??3050-69-9C8H14O2
1,2,2-triMethylpiperazine dihydrochloride (SALTDATA: 2HCl)????,1,2,2-????-(9CI)396133-32-7C7H16N2
4-Methoxy-7-methylindane-5-carbonitrile4-???-7-?????-5-?????175136-10-4C12H13NO
3-Amino-3-(4-hydroxyphenyl)propanoic acid(R)-3-???-3-(4-?????-??)-?????73025-69-1C9H11NO3
(R)-1-Benzyl-3-N-Boc-aminopiperidine, 98%(S)-1-??-3-N-BOC-???????454713-13-4C17H26N2O2
(S)-(+)-3-Aminopiperidine dihydrochloride, 98%, ee: 98%(S)-3-???????????334618-07-4C5H14Cl2N2
2,6-Dichlorophenylboronic acid, 98%73852-17-2C6H5BCl2O2
Sophoricoside, 98%, from Sophora japonica Linn.152-95-4C21H20O10
4-(Phenylazo)benzoyl chloride, 98%104-24-5C13H9ClN2O
3-Fluoro-4-n-octyloxybenzoic Acid3-????-4-N-???????326-78-3C15H21FO3
(1S,2S)-2-AMinocyclohexanecarboxylic Acid(1S,2S)-2-??????????????24716-93-6C7H13NO2
1-[4-(1H-pyrazol-1-yl)phenyl]methanamine(SALTDATA: FREE)4-(1H-???-1-?)????368870-03-5C10H11N3
N-(4-Hydroxymethyl-pyridin-2-yl)-2,2-dimethyl-propionamide551950-45-9C11H16N2O2
Benzo[b]thiophene-2-sulphonyl chloride1-??????-2-????????90001-64-2C8H5ClO2S2
2-(2,5-dichlorophenoxy)propanoic acid(SALTDATA: FREE)2-(2,5-???????)?????6965-71-5C9H8Cl2O3
7-(4-Fluoro-phenyl)-4,7-dioxo-heptanoic acid7-(4-????-??)-4,7-???-???1566-06-9C13H13FO4
3H-[1,2,3]Triazole-4-carboxylic acid1,2,3-????-4-?????16681-70-2C3H3N3O2
4-Chloro-3'-fluoro-4'-Methoxybenzophenone4-???-3'-????-4'-???????844885-05-8C14H10ClFO2
Diacetone-D-glucose, 98%582-52-5C12H20O6
Ethyl 3-(thiophen-2-yl)-1H-pyrazole-5-carboxylate, 97%??5-??-2-?-1H-???-3-???????121195-03-7C10H10N2O2S
O-Benzylhydroxylamine hydrochloride, 99%2687-43-6C7H10ClNO
Glycerol dimethacrylate, 90%, mixture of 1,2- and 1,3-form, stabilized with MEHQ?????????????1830-78-0C11H16O5
5-chloro-2-fluoronitrobenzenen345-18-6C6H3ClFNO2
Fmoc-N-Me-Leu-OH, 99%103478-62-2C22H25NO4
2-Hydroxy-4-(trifluoromethyl)pyrimidine, 99%2-????-4-(????????)????104048-92-2C5H3F3N2O
2-Bromo-5-hydroxypyridine, 98%55717-45-8C5H4BrNO
1,1'-Bis(di-i-propylphosphino)ferrocene(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate, min. 98%1,1'-BIS(DI-I-PROPYLPHOSPHINO)FERROCENE(1,5-CYCLOOCTADIENE)RHODIUM(I)???????????157772-65-1C30H38FeP2Rh+
1-Octyl-3-methylimidazolium hexafluorophosphate, 98%304680-36-2C12H23F6N2P
5-Chlorovaleric Acid1119-46-6C5H9ClO2
N-[4-(2-Furyl)benzyl]-N-methylamine , 95%N-[4-(2-??)??]-N-????859850-67-2C12H13NO
5-Fluoro-2-methylphenyl thiourea16822-86-9C8H9FN2S
1,14-DibroMotetradecane37688-96-3C14H28Br2
(1-aminocycloheptyl)methanol(SALTDATA: FREE)(1-?????????)???(?????:??)814254-62-1C8H17NO
Phenethylboronic acid?????? ?34420-17-2C8H11BO2
2-Chlorobenzoxazole2-???????615-18-9C7H4ClNO
2-(AMinoethyl)-1-N-Boc-piperidine2-(?????)-1-N-BOC-????239482-98-5C12H24N2O2
3,4-DiMethylphenyl isothiocyanate3,4-????????????????19241-17-9C9H9NS
2-(Trifluoromethyl)thiobenzamide2-(????????)??-1-????????886496-67-9C8H6F3NS
5-Chloro-3-cyanopyridine51269-82-0C6H3ClN2
1H,1H-Perfluorohexyl p-toluenesulfonate1H,1H-???????P-???????355-77-1C13H9F11O3S
2-Ethyl-2,3,4,5-tetrahydro-1,4-benzoxazepine-3,5-dione2-??-2,3,4,5-??????-1,4-??????-3,5-??175136-47-7C11H11NO3
Triphenylethylene???????58-72-0C20H16
3-Phenylphthalide3-???????5398-11-8C14H10O2
(2-chloro-4-forMyl-6-Methoxyphenoxy)acetic acid (SALTDATA: FREE)123022-07-1C10H9ClO5
7-Hydroxy-5-Methyl-1,3,4-triazaindolizine2503-56-2C6H6N4O
(-)-Lupinine, 97%486-70-4C10H19NO
1-chloro-N,N-diMethylMethanesulfonaMide (SALTDATA: FREE)1-???-N,N-??????????(SALTDATA:FREE)35427-68-0C3H8ClNO2S
3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde21487-48-9C11H10N2O
5-Norbornene-2-exo,3-exo-diMethanol5-??????-2-??,3-??-????699-95-6C9H14O2
Butyl Acetoacetate????????????????591-60-6C8H14O3
3-Methoxy-5-nitroaniline586-10-7C7H8N2O3
Tributyl[3-(trifluoromethyl)phenyl]stannane , Tech.????[3-(????????)??]???53566-38-4C19H31F3Sn
4-(6-Chloro-2-methyl-4-pyrimidinyl)morpholine22177-99-7C9H12ClN3O
(1-Furan-2-yl-ethyl)-(1-phenyl-but-3-enyl)-amine436088-63-0C16H19NO
4-Bromo-3,5-difluorobenzenesulphonyl chloride4-???-3,5-???????????????518057-63-1C6H2BrClF2O2S
1-(4-bromo-2-fluorophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde(SALTDATA: FREE)428495-37-8C13H11BrFNO
1-(tetrahydro-2H-pyran-4-yl)-3-piperidinecarboxylic acid(SALTDATA: HCl)1-(??????-2H-??-4-?)-3-?????????(SALTDATA:HCl)1158698-78-2C11H19NO3
3-ChloroMethyl-5-Methylisoxazole3-(?????)-5-??????35166-37-1C5H6ClNO
3-(Dimethylamino)-1-phenyl-2-propen-1-one3-(???????)-1-??-2-???-1-?1201-93-0C11H13NO
2,3,4,6-Tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate, 98%2,3,4,6-???-O-???-β-D-??????? ?????????14152-97-7C15H19NO9S
3,4-Dichlorobenzenesulfonyl chloride, 98%98-31-7C6H3Cl3O2S
1,1'-Sulfonyldiimidazole, 98%1,1′-????????7189-69-7C6H6N4O2S
Di-tert-butylphosphine, 0.5 M in hexanes, J&KSeal?-tert-butylphosphine819-19-2C8H19P
4-Fluorophenylalanine, 98%51-65-0C9H10FNO2
Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride, 60 wt.% solution in MeOH3-(???????)????????????? ???27668-52-6C26H58ClNO3Si
4-Benzoylbutyric acid, 97%4-??????1501-05-9C11H12O3
1-Benzyl-3-(ethylaMino)pyrrolidine1-??-3-(?????)????115445-21-1C13H20N2
3-(2-Benzylcarbamoyl-ethyl)-6-oxo-piperidine-3-carboxylic acid3-(2-??????-??)-6-??-????-3-????361372-43-2C16H20N2O4
3-Chloro-6-[(3-methoxypropyl)amino]pyridazine6-???-N-(3-??????)????-3-??898656-60-5C8H12ClN3O
3,5-dichloro-2-methoxybenzaldehyde(SALTDATA: FREE)3,5-????-2-?????????(?????:??)76008-04-3C8H6Cl2O2
2,4,6-Trichloronitrobenzene1,3,5-?????-2-?????18708-70-8C6H2Cl3NO2
2-Methyl-1,3-benzoxazol-4-amine, 97%4-???????,2-??-(9CI)342897-54-5C8H8N2O
4,5-Dimethyl-2-oxo-1,3.2-dioxathiolane, 98%4,5-???-1,3,2-??????2-????4440-90-8C4H8O3S
trans,trans-2,4-Decadienal, 95%???,???-2,4-??????25152-84-5C10H16O
5-Indolylboronic acid, 97%144104-59-6C8H8BNO2
7-Diethylamino-3-thenoylcoumarin, 97%77820-11-2C18H17NO3S
N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid sodium salt hydrate, 99%70331-82-7C6H16NNaO6S
2-methyl-2-(1-pyrrolidinyl)propanoic acid(SALTDATA: 1HCl 0.9H2O)2-??-2-(1-?????)????(SALTDATA:1HCl0.9H2O)898403-15-1C8H15NO2
3-Boc-aminomethyl-azetidine3-(N-Boc-?????)????91188-15-7C9H18N2O2
3-AMino-2-cyano-5-(4-fluorophenyl)thiophene175137-39-0C12H8FNS
(6-Phenylimidazo[2,1-b][1,3]thiazol-5-yl)methanol(6-??????[2,1-B][1,3]THIAZOL-5-YL)???76919-41-0C12H10N2OS
2,5-Difluoropyridine-4-carboxylic acid2,5-????????-4-?????851386-39-5C6H3F2NO2
3-(4-Fluorophenyl)-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine916423-52-4C12H12FN3
4-[4-(Chloromethyl)piperidino]thieno[3,2-d]pyrimidine , 97%4-[4-(?????)????-1-?]???[3,2-d]????912569-69-8C12H14ClN3S
3-(2-Phenyl-imidazol-1-yl)-propionic acid3-(2-??-????-1-?)-?????53660-14-3C12H12N2O2
3,4,5-Trimethoxyphenylglyoxal hydrate , 97+%3,4,5-??????????????150114-69-5C11H12O5
N-Methyl-N-(4-pyrimidin-5-ylbenzyl)amine, 90%N-??-N-(4-????-5-???)??859850-85-4C12H13N3
4,5-Dihydro-9-methyl-1,2,5-oxadiazol[3,4-f]cinnoline9-??-4,5-?????[1,2,5]??????[3,4-F]???302604-98-4C9H8N4O
2-[2-(Dimethylamino)ethoxy]benzonitrile , 97%2-[2-(??????)???]?????206261-63-4C11H14N2O
1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-sulfonyl chloride1,3-???-2,4-???-1,2,3,4-??????????-5-????????124788-36-9C6H7ClN2O4S
5-Amino-2-(4-methoxyphenyl)-2H-benzotriazole2-(4-???-??)-2H-??????-5-???6659-92-3C13H12N4O
(2-methyl-1-benzofuran-7-yl)amine(SALTDATA: HCl)2-??-????-7-???26325-21-3C9H9NO
1-(3-Methyl-pyridin-2-yl)-piperazine, 98%????,1-(3-??-2-????)-(9CI)104396-10-3C10H15N3
2-[(4-Chlorophenyl)sulfanyl]acetohydrazide2-[(4-?????)???]?????????75150-40-2C8H9ClN2OS
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