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

?? ?:J & K SCIENTIFIC LTD.
??:-18210857532
???:jkinfo@jkchemical.com
??:China
URL: https://www.jkchemical.com
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2,3,4,5,6-Pentafluorostyrene, 97%????????653-34-9C8H3F5
1-(3,5-dimethyl-1H-pyrazol-4-yl)ethanone(SALTDATA: FREE)1-(3,5-???-1H-???-4-?)???1123-48-4C7H10N2O
2-Chloroadenosine, 99%146-77-0C10H12ClN5O4
4-(Bromomethyl)benzaldehyde, 97%4-(????)??????51359-78-5C8H7BrO
5-Ethoxy-4-methyloxazole, 98%5-???-4-?????5006-20-2C6H9NO2
3-(4-Morpholino)phenylboronic acid pinacol ester3-????????????????852227-95-3C16H24BNO3
2',4'-Dihydroxy-3'-propylacetophenone40786-69-4C11H14O3
3-Amino-4,4-dimethylpentanoic acid hydrate, 98%3-???-4,4-???????????,98336185-29-6C7H17NO3
3,5-Bis(trifluoromethyl)benzylamine, 95%85068-29-7C9H7F6N
3,4-Difluorobenzenesulfonyl chloride, 97%145758-05-0C6H3ClF2O2S
Propionylcholine p-Toluenesulfonate???????P-??????1866-13-3C15H25NO5S
(2-chlorobenzyl)isopropylamine(SALTDATA: HCl)46054-87-9C10H14ClN
2-(isobutyrylamino)-5-methylbenzoic acid(SALTDATA: FREE)2-(????????)-5-?????890982-57-7C12H15NO3
3,5-Bis(trifluoromethyl)benzenesulfonyl chloride, 97%39234-86-1C8H3ClF6O2S
5-Methoxy-2-methylindole, 99%5-???2-???1076-74-0C10H11NO
Phenylacetic acid-4-boronic acid pinacol ester??????-4-??????????797755-07-8C14H19BO4
2-AMino-6-chlorobenzonitrile2-???-6-????????6575-11-7C7H5ClN2
3-(methylthio)-1,2,4-thiadiazol-5-amine(SALTDATA: FREE)5-???-3-????-1,2,4-?????6913-13-9C3H5N3S2
2-ethoxy-5-methylbenzenesulfonyl chloride(SALTDATA: FREE)2-???-5-????????????(SALTDATA:FREE)187471-28-9C9H11ClO3S
5-BroMo-6-chloropyridine-3-sulfonyl Chloride216394-05-7C5H2BrCl2NO2S
Hafnium(IV) trifluoromethanesulfonate, 98%161337-67-3CHF3HfO3S
4-Bromoisophthalic acid, 97%6939-93-1C8H5BrO4
2-Pyrrolidin-1-ylisonicotinonitrile , 97%2-????-1-??????????127680-87-9C10H11N3
2-Fluoro-4-(methylthio)benzeneboronic acid 98%957060-84-3C7H8BFO2S
2,2,3,3,4,4-Hexafluoro-1,5-pentanediol, 98%2,2,3,3,4,4-??????-1,5-????376-90-9C5H6F6O2
(+)-DehydroabietylaMine [Optical Resolving Agent]1R-(1??, 4A??, 10A??)-1,2,3,4,4A,9,10,10A-?????- 1,4A-???-7-(1-????)-1-????????1446-61-3C20H31N
3-Pyrrolidin-1-yl-benzoic acid methyl ester3-????-1-?-?????????186086-71-5C12H15NO2
1-isopropyl-1H-1,2,4-triazol-5-amine(SALTDATA: FREE)870992-11-3C5H10N4
1-(4-Benzyloxy-3-methoxy-phenyl)-piperazine1-(4-BENZYLOXY-3-METHOXY-PHENYL)-????142353-49-9C18H22N2O2
Methyl 2-BroMoisonicotinate26156-48-9C7H6BrNO2
3-(4-Nitrophenyl)pyrazole3-(4-?????)???20583-31-7C9H7N3O2
4-Cyclopropyl-6-(methylthio)-1,3,5-triazin-2-amine, 97%4-???????-6-(????)-1,3,5-?????-2-??175204-57-6C7H10N4S
4-(4-oxoquinazolin-3(4H)-yl)butanoic acid(SALTDATA: FREE)4-(4-??????-3(4H)-YL)???25818-89-7C12H12N2O3
1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid(SALTDATA: FREE)1-??-2-??-1,2-???????-4-?????(SALTDATA:FREE)62542-44-3C11H9NO3
4-Bromo-2,3,5,6-tetrafluoropyridine3511-90-8C5BrF4N
4,4?Dichlorophenyl ether4-????????2444-89-5C12H8Cl2O
1-methyl-3-phenyl-1H-pyrazol-5-amine(SALTDATA: FREE)5-???-1-??-3-?????10199-50-5C10H11N3
6-methyl-1,3-benzoxazol-2-amine(SALTDATA: FREE)2-???????,6-??-(9CI)188063-14-1C8H8N2O
4-Dimethylaminopyridine, 99%4-??????????1122-58-3C7H10N2
Methyl 4-(1H-1,2,4-triazol-1-yl)benzenecarboxylate??4-[1,2,4]?????-1-?-?????58419-67-3C10H9N3O2
3-formyl-4-oxo-4H-chromen-7-yl acetate(SALTDATA: FREE)7-????-3-?????42059-49-4C12H8O5
3,5-Bis(trifluoromethyl)benzoyl chloride, 97%785-56-8C9H3ClF6O
N,N-DiMethylMethyleneaMMoniuM Iodide33797-51-2C3H8IN
1,10-Phenanthroline, anhydrous, 99%O-?????66-71-7C12H8N2
Ethyl 2-(trifluoromethylsulfonyloxy)benzoate??2-(?????????????)?????179538-97-7C10H9F3O5S
2-Chloro-3,4-dimethoxybenzoic acid, 97%2-???-3,4-?????????52009-53-7C9H9ClO4
2-(2-oxopyrrolidin-1-yl)propanoic acid (SALTDATA: FREE)67118-32-5C7H11NO3
4-Phenyl-1,2,3-thiadiazole, 98%4-??-1,2,3-?????25445-77-6C8H6N2S
(6-Methoxy-pyridin-2-yl)-carbamic acid tert-butyl ester(6-METHOXY-PYRIDIN-2-YL)-CARBAMICACIDTERT-BUTYL????855784-40-6C11H16N2O3
Potassium hexachloroiridate(IV), 99%?? ?????????(IV)16920-56-2Cl6IrK-
2,2,2-Trichloro-1-ethoxyethanol, tech., 85%2,2,2-?????-1-??????515-83-3C4H7Cl3O2
21-Bromoheneicosanoic acid21-?????????855953-37-6C21H41BrO2
3,5-Dimethylisoxazol-4-yl isocyanate, 95%131825-41-7C6H6N2O2
1-(1-Heptyl)-piperazine, 98%82502-77-0C11H24N2
6-Hydroxyindole, 98%6-???????2380-86-1C8H7NO
5-(Hydroxymethyl)-4-methyl-2-(pyridin-4-yl)-1,3-thiazole886851-57-6C10H10N2OS
DL-4-Hydroxy-3-MethoxyMandelic Acid55-10-7C9H10O5
6-Nitropyridin-3-aMine14916-65-5C5H5N3O2
2-Amino-5-bromopyridine, 98%1072-97-5C5H5BrN2
3,4-Epoxytetrahydrofuran, 96%3,4-???????????285-69-8C4H6O2
2,5-Difluoro-7,7,8,8-tetracyanoquinodiMethane2,5-?????-7,7,8,8-???????????73318-02-2C12H2F2N4
1,4-DiMethylnaphthalene1,4-???????571-58-4C12H12
4-Fluoro-2-(trifluoromethyl)benzoyl chloride, 97%189807-21-4C8H3ClF4O
1-[(1-methyl-1H-pyrazol-4-yl)methyl]piperazine(SALTDATA: FREE)1-[(1-??-1H-???-4-?)??]????(?????:??)1001757-59-0C9H16N4
4-Amino-4,5-dihydro-6H-cyclopenta[b]thiophen-6-one hydrochloride4-???-4,5-?????-6H-??????[B]???-6-????108046-16-8C7H8ClNOS
4-Aminopyridine-3-methanol, 97%138116-34-4C6H8N2O
Lithium deuteride, 99+% isotopic purity13587-16-1DLi
TriMethylphenylaMMoniuM BroMide????????? ?????16056-11-4C9H14BrN
3-Chloro-4-(1H-1,2,4-triazol-1-yl)aniline856452-74-9C8H7ClN4
Glycidyl methacrylate, 99%, Stabilized with MEHQ???? ???????106-91-2C7H10O3
2-BroMo-1,4-benzoquinone2-???-1,4-????3958-82-5C6H3BrO2
Ethyl 5-methyl-1-phenyl-1H-pyrazole-4-carboxylate, 95%??5-??-1-??-1H-???-4-???????89193-16-8C13H14N2O2
Dichloro[(R)-(+)-2,2',6,6'-tetramethoxy-4,4'-bis(di(3,5-xylyl)phosphino)-3,3'-bipyridine][(1R,2R)-(+)-1,2-diphenylethylenediamine]ruthenium(II), min. 95%478308-93-9C60H66Cl2N4O4P2Ru
2-Methyl-1,3-dioxoisoindoline-5-carboxylic acid (SALTDATA: FREE)2-METHYL-1,3-DIOXOISOINDOLINE-5-?????42710-39-4C10H7NO4
(S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid, 98%74163-81-8C10H11NO2
3-Acetylthianaphthene, 98%3-????????26168-40-1C10H8OS
Tetra-n-propyltin, min. 97%???-N-?????2176-98-9C12H28Sn
4-(3,5-Dimethyl-1H-pyrazol-4-ylmethyl)-phenylamine4-(3,5-???-1H-???-4-???)-????103037-89-3C12H15N3
2,3-Dichloro-5-(trifluoromethyl)pyridine, 98%2,3-????-5-(????????)???69045-84-7C6H2Cl2F3N
3-BroMophenanthrene3-???????715-50-4C14H9Br
4-Methyl-4H-furo[3,2-b]pyrrole-5-carboxylic acid, tech4-METHYL-4H-FURO[3,2-B]??-5-?????117613-30-6C8H7NO3
(1S,2S)-N,N'-Bis(2-acetyl-3-oxo-2-butenylidene)-1,2-diMesitylethylenediaMinato Cobalt(II)259259-80-8C32H38CoN2O4
[1-(3-aminopropyl)piperidin-3-yl]methanol(SALTDATA: FREE)100708-30-3C9H20N2O
Methyl 2-aminothiophene-3-carboxylate, 96%4651-81-4C6H7NO2S
Arsenic(III) sulfide, fused lumps (99.999%-As) PURATREM?? ????1303-33-9As2S3
Guanidine thiocyanate, 99%???? ??????593-84-0CH5N3.CHNS
(4-chlorophenyl)methanesulfonyl chloride(SALTDATA: FREE)6966-45-6C7H6Cl2O2S
4-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]aniline(SALTDATA: FREE)915922-80-4C15H13N3O
Lead(IV) acetate, 95%? ???????546-67-8C8H12O8Pb-2
Terbium(III) carbonate hydrate (99.9%-Tb) (REO)100587-96-03CO3.2Tb
5-Bromopyrimidine-2-carbonitrile, 97%38275-57-9C5H2BrN3
2-Ethoxypyridine-3-boronic acid2-???-3-??????854373-97-0C7H10BNO3
Cyclopropylmagnesium bromide, 1.0 M solution in 2-MeTHF, J&KSeal23719-80-4C3H5BrMg
4-[2-Chloro-4-(trifluoromethyl)phenoxy]-2-fluoroaniline hydrochloride , 97%4-[2-???-4-(????????)???]-2-??????????113674-95-6C13H9Cl2F4NO
7-Methoxy-4-MethylcouMarin2555-28-4C11H10O3
(3S)-(-)-3-(EthylaMino)pyrrolidine(3S)-(-)-3-(?????)????381670-31-1C6H14N2
N-(5-Iodo-3-methyl-pyridin-2-yl)-2,2-dimethyl-propionamideN-(5-???-3-??-???-2-YL)-2,2-???-???????677327-29-6C11H15IN2O
5,7-Bis(trifluoromethyl)-2-(methylthio)pyrazolo-[1,5-a]pyrimidine-3-carboxamide5,7-BIS(????????)-2-(????)????-[1,5-A]????-3-??????175203-36-8C10H6F6N4OS
Sodium 1-hydroxy-2-oxo-2-(9-oxo-9H-fluoren-2-yl)-ethanesulfonate51367-77-2C15H9NaO6S
2-Chloro-2-(phenylhydrazono)acetic acid ethylester??(2E)-???(???????)?????28663-68-5C10H11ClN2O2
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