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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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(S)-(+)-3-Fluoropyrrolidine hydrochloride, 97%, ee: 99%136725-53-6C4H9ClFN
3-Methoxyphenylglyoxal hydrate32025-65-3C9H8O3
4-Chloromethylbenzoyl chloride, 98%4-(?????)??? ?????876-08-4C8H6Cl2O
3-BroMo-5-chlorobenzonitrile3-???-5-????????304854-55-5C7H3BrClN
5-Methoxy-2-(trifluoromethyl)pyridine216766-13-1C7H6F3NO
4-Carboxyfuran-2-boronic acid pinacol ester4-??????-2-??????????1073354-94-5C11H15BO5
2-Methyl-4-phenyl-1,3-thiazole-5-carboxylic acid, 97%2-??-4-??-1,3-???-5-?????32002-72-5C11H9NO2S
2,5-BishydroxyMethyl Tetrahydrofuran2,5-???????????????104-80-3C6H12O3
6-Chloro-[1,2,4]triazolo[3,4-a]phthalazine6-???-[1,2,4]?????[3,4-A]????52494-53-8C9H5ClN4
(5-Bromo-pyridin-3-yl)-carbamic acid tert-butyl ester361550-43-8C10H13BrN2O2
Fmoc-(Nd-Boc)-D-ornithine118476-89-4C25H30N2O6
Trimethyl orthovalerate, 98%??????????????????13820-09-2C8H18O3
2-Methylcyclohexylamine, 99%, mixture of cis and trans2-??????????7003-32-9C7H15N
2-Benzyl-4-methyl-thiazole-5-carboxylic acid2-??-4-??-1,3-???-5-?????876715-98-9C12H11NO2S
2-BroMoethyl isothiocyanate2-??????????????1483-41-6C3H4BrNS
4-Methyl-1,3-oxazole-5-carboxylic acid, 97%4-METHYL-1,3-OXAZOLE-5-?????2510-32-9C5H5NO3
N,O-Dimethylhydroxylamine hydrochloride, 99%6638-79-5C2H8ClNO
4-Chloro-2-nitrophenylsulfonylchloride4-???-2-?????????????4533-96-4C6H3Cl2NO4S
Silver trifluoromethanesulfonate, 99% (Silver triflate)?? ?????????????2923-28-6CAgF3O3S
1,1,4,4,6-PentaMethyl-1,2,3,4-tetrahydronaphthalene1,1,4,4,6-????-1,2,3,4-???????????6683-48-3C15H22
Chromium(III) chloride hexahydrate?? ???, 6???10060-12-5Cl3CrH12O6
2-Bromopyridine, 99%2-??????109-04-6C5H4BrN
2,4-Dichloro-6-(trifluoromethyl)aniline, 98%62593-17-3C7H4Cl2F3N
1-[3-(4-Methylpiperazin-1-yl)phenyl]methanamine , 97%1-[3-(4-??????-1-?)??]????672325-37-0C12H19N3
3-(1H-Pyrazol-1-ylmethyl)benzoic acid , 97%3-(1H-???-1-???)???562803-68-3C11H10N2O2
N,O-Bis(trifluoroacetyl)hydroxylaMine684-78-6C4HF6NO3
Poly(tetrafluoroethylene), 60 wt % dispersion in H2O????????????9002-84-0(C2F4)x
1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene, 99%2519-10-0C35H26
4-(Trifluoromethyl)propiophenone, 98%4'-(????????)??????711-33-1C10H9F3O
2-(4-morpholinyl)nicotinonitrile(SALTDATA: FREE)2-????????????59025-37-5C10H11N3O
5-Hydroxy-2-adamantanone, 98%5-????-2-?????20098-14-0C10H14O2
TetraMethyl-1,4-benzoquinone????527-17-3C10H12O2
Methyl 2-chloro-4-fluorobenzoate, 97%85953-29-3C8H6ClFO2
2,4-Dichloro-DL-phenylalanine5472-68-4C9H9Cl2NO2
2-Chloro-4-methoxy-5-(methoxycarbonyl)benzeneboronic acid957066-07-8C9H10BClO5
2-(4-methyl-1,3-thiazol-2-yl)-1-propanamine(SALTDATA: FREE)1017185-91-9C7H12N2S
2-BroMo-3-nitropyridine19755-53-4C5H3BrN2O2
Oxytetracycline????????79-57-2C22H24N2O9
D-Tyrosine, 99%556-02-5C9H11NO3
Benzo[b]furan-3-carbonyl chloride , 97%??[b]??-3-?????????111964-21-7C9H5ClO2
Fmoc-2-methyl-D-phenylalanineFMOC-D-2-???????352351-63-4C25H23NO4
N,N-Diethylaniline hydrochlorideN,N-?????????5882-45-1C10H16ClN
(1S,2S)-(+)-N,N'-Dimethylcyclohexane-1,2-diamine, 98%(1S,2S)-N,N'-???-1,2-????????87583-89-9C8H18N2
2-Fluoro-4-methylbenzenesulphonyl chloride2-FLUORO-4-????????????518070-29-6C7H6ClFO2S
3-Methylthiopropionic acid646-01-5C4H8O2S
5-Hydroxy-2-nitrobenzoic Acid5-?????-2-??????610-37-7C7H5NO5
Cytidine, 99%???65-46-3C9H13N3O5
1-Fluoro-2-iodobenzene, 99%????????348-52-7C6H4FI
(R)-2-Hydroxy-3-phenylpropionic acid, 98%D-(+)-?????7326-19-4C9H10O3
Diethyl pimelate, 98%2050-20-6C11H20O4
3-Phenoxyphenylacetonitrile3-???????????51632-29-2C14H11NO
2-(isopropylthio)ethanamine(SALTDATA: 1.05HCl 0.5H2O)2-(???????)????(SALTDATA:1.05HCl0.5H2O)927-69-5C5H13NS
1-(1H-1,2,4-triazol-1-yl)propan-2-amine(SALTDATA: FREE)883545-31-1C5H10N4
2-DiMethylaMinoethyltriphenylphosphoniuM BroMide21331-80-6C22H25BrNP
Calconcarboxylic acid, indicator?? ?????3737-95-9C21H14N2O7S
N-Methyl-1-(4-Methyl-1H-iMidazol-2-yl)MethanaMine dihydrochloride (SALTDATA: 2HCl)??-(4-METHYL-1H-IMIDAZOL-2-YLMETHYL)-AMINE774213-87-5C6H11N3
7,8-Dimethoxy-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine7,8-DIMETHOXY-2,3,4,5-TETRAHYDRO-1H-BENZO[E][1,4]????61471-52-1C11H16N2O2
2,6-Dichloro-4-methylnicotinonitrile, 99%875-35-4C7H4Cl2N2
3-(Hydrazinecarbonyl)benzeneboronic acid 97%3-(????????)?????97913835-79-7C7H9BN2O3
2-chloro-N-(3-fluoro-2-methylphenyl)acetamide(SALTDATA: FREE)347196-12-7C9H9ClFNO
3-Nonafluorobutyl-2-iodopropanol 97%3-????????-2-???????80233-96-1C7H6F9IO
7-Iodo-2,3-dihydrobenzo[b]furan , 97%7-IODO-2,3-DIHYDROBENZO[B]??264617-03-0C8H7IO
2-Hydroxy-3-Methylphenylboronic acid259209-22-8C7H9BO3
3-Acetamido-4-methoxybenzenesulfinic acid hydrate, 97%3-??????-4-???????????,97205526-67-6C9H13NO5S
(2-Ethoxy-ethyl)-ethyl-amine38256-95-0C6H15NO
2-Methylamino-pyridine-3-carbaldehyde2-????????-3-??????32399-08-9C7H8N2O
2-Chloro-5-ethoxybenzeneboronic acid 97%2-???-5-????????97913835-30-0C8H10BClO3
1-Bromo-1,2-difluoroethylene1-???-1,2-????????358-99-6C2HBrF2
1-(4-Fluorophenyl)-2-pyrrolidinone, 99+%1-(4-??????)-2-?????54660-08-1C10H10FNO
(S)-2-Chloro-3-Methylbutyric Acid(S)-2-???-3-??????26782-74-1C5H9ClO2
(S)-2-Nitro-N-(1-phenyl-2-pyrrolidin-1-yl-ethyl)-benzenesulfonamide(S)-2-NITRO-N-(1-PHENYL-2-PYRROLIDIN-1-YL-ETHYL)-???????675602-60-5C18H21N3O4S
2-Ethyl-6-methylphenyl isocyanate , 97%2-??-6-???????????75746-71-3C10H11NO
[3-(1-Pyrrolidinylmethyl)phenyl]methanamine , 97%[3-(1-???????)??]????91271-78-2C12H18N2
3,3,4,4,4-Pentafluorobutanol-13,3,4,4,4-????????-1-OL54949-74-5C4H5F5O
Potassium hexacyanoruthenate(II) hydrate15002-31-0C6H2K4N6ORu+
5-methyl-4-(4-methylphenyl)-1,3-thiazol-2-amine(SALTDATA: FREE)16942-66-8C11H12N2S
4-(Phenoxymethyl)benzaldehyde , 97%4-(?????)?????2683-70-7C14H12O2
4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)438231-11-9C9H10N4S
1-(6-Methylpyrazin-2-yl)-1,4-diazepane, 97%869901-23-5C10H16N4
3-(3-Isocyanatophenyl)-1-methyl-1H-pyrazole , 97%3-(1-??-1H-???-3-?)?????????912569-60-9C11H9N3O
6-bromo-4-(4-methylpiperazin-1-yl)quinazoline(SALTDATA: FREE)???17992307538-54-1C13H15BrN4
3-Chloro-6-(1H-pyrrol-1-yl)pyridazine 98%5096-76-4C8H6ClN3
2-[(3-methyl-1,1-dioxidotetrahydro-3-thienyl)amino]ethanol(SALTDATA: HCl)151775-04-1C7H15NO3S
1-(2,5-diMethylphenyl)piperazine1-(2,5-?????)????1013-25-8C12H18N2
4-(Trifluoromethyl)-L-phenylalanine 97%3832-75-5C10H10F3NO2
5-(4-(5,5-diMethyl-1,3,2-dioxaborinane)phenyl) dipyrroMethane (under argon)5-(4-(5,5-???-1,3,2-??????)??)?????(??????)1025707-99-6C20H23BN2O2
4-(4-DiethylaMinophenylazo)pyridine4-(4-??????????)???89762-42-5C15H18N4
4-(allyloxy)-3-methoxybenzaldehyde(SALTDATA: FREE)4-(ALLYLOXY)-3-?????????22280-95-1C11H12O3
Di-o-tolylchlorophosphine, min. 98%?-?-tolylchlorophosphine36042-94-1C14H14ClP
4-(4-Chlorophenoxy)aniline101-79-1C12H10ClNO
2-tert-Butyl-1H-indole-3-carbaldehyde2-TERT-??-1H-??-3-??????29957-81-1C13H15NO
2-(chloromethyl)-1,4-dioxane(SALTDATA: FREE)1,4-???,2-(?????)-21048-16-8C5H9ClO2
(2-Hydroxynaphth-1-yl)acetic acid2-(2-HYDROXY-1-NAPHTHYL)????10441-45-9C12H10O3
1,2-dimethyl-4-phenyl-1H-imidazol-5-amine(SALTDATA: FREE)1,2-???-4-??-1H-????-5-??1040040-76-3C11H13N3
1H-pyrrol-1-ylacetic acid(SALTDATA: FREE)2-??-1-?????19167-98-7C6H7NO2
3-Bromopropyl isothiocyanate3-???????????????2799-73-7C4H6BrNS
4-(1-Azepanyl)-3-chloroaniline915921-17-4C12H17ClN2
(3-bromo-4-propoxyphenyl)methanol(SALTDATA: FREE)915922-40-6C10H13BrO2
2-Methyl-4-(1-pyrrolidinyl)aniline2-??-4-????-1-???????143525-69-3C11H16N2
1H,1H-Heptafluorobutyl iodide2,2,3,3,4,4,4-??????-1-?????374-98-1C4H2F7I
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