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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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2,6-Dimethoxyphenol, 98%91-10-1C8H10O3
Hyaluronate Hexasaccharide????????73603-40-4C42H65N3O34
Benzoyl isocyanate4461-33-0C8H5NO2
EthylenediaMinetetraacetic Acid MagnesiuM DisodiuM Salt Hydrate14402-88-1C10H12MgN2NaO8-
3-(TrifluoroMethyl)pyridine3796-23-4C6H4F3N
5-Chloro-2-methylbenzenethiol5-???-2-??????18858-06-5C7H7ClS
Methyl 3-(piperidin-1-ylmethyl)benzoate , 97%73278-90-7C14H19NO2
1-cyclopentylpiperidin-3-amine(SALTDATA: FREE)1-?????????-3-??(SALTDATA:FREE)1215295-80-9C10H20N2
Tetraisobutylene (contains isoMer)????????15220-85-6C16H32
6-methoxypyridine-3-sulfonyl chloride, 95%6-???-???-3-??????312300-42-8C6H6ClNO3S
2'-Chloro-4'-(4-chlorophenoxy)acetophenone1-[2-???-4-(4-??????)??]??? (CAS No. 119851-28-4)119851-28-4C14H10Cl2O2
1-(2-Chloroethyl)piperidine hydrochloride, 98%2-???????????????2008-75-5C7H15Cl2N
Ethyl 4-Pyridylacetate54401-85-3C9H11NO2
3-(Dimethylamino)butan-1-ol3-(??????)??-1-?2893-65-4C6H15NO
4-Hydroxypyridine-2,6-dicarboxylic acid hydrate, 97%????138-60-3C7H5NO5
L-Arg-Ome·2HCl, 98%26340-89-6C7H18Cl2N4O2
DL-Lysine monohydrochloride, 99%70-53-1C6H14N2O2.ClH
Tris(triMethylsiloxy)silane1873-89-8C9H28O3Si4
4-Amidinopyridine hydrochloride, 98%4-?????????????-4-????????????6345-27-3C12H16Cl2N6
3-Amino-1-propanesulfonic acid, 95%3-????????????3687-18-1C3H9NO3S
tert-butyl 4-thiocarbamoylpiperidine-1-carboxylate, 95%tert-??4-(?????????)?????????-1(2H)-???????214834-18-1C11H20N2O2S
Isopropyl Linoleate????????????22882-95-7C21H38O2
2-AMino-3-broMopyridine-5-sulfonic Acid247582-62-3C5H5BrN2O3S
2-BroMo-5-Methylpyrazine2-???-5-?????98006-90-7C5H5BrN2
2-(Methylthio)nicotinic acid, 97%74470-23-8C7H7NO2S
4-Bromo-3-formylpyridine hydrobromide salt1150271-34-3C6H5Br2NO
5-Amino-1,2,4-thiadiazole5-???-1,2,4-?????7552-07-0C2H3N3S
1,3,3-TriMethylindolino-beta-naphthopyrylospiran [PhotochroMic CoMpound]1,3,3-????????-??-?????????1592-43-4C23H21NO
Tetraallyltin, min. 95%???????7393-43-3C12H20Sn
(4-fluorobenzyl)hydrazine(SALTDATA: HCl)699-05-8C7H9FN2
7-Acetoxy-4-MethylcouMarin7-(?????)-4-??-2-?????2747-05-9C12H10O4
5-Chloro-2-hydroxy-4-methyl-benzaldehyde3328-68-5C8H7ClO2
α-Chymotrypsin, from bovine pancreas, 1000 units/mg9004-07-3N/A
ethyl 3-aminoheptanoate(SALTDATA: HCl)78221-22-4C9H19NO2
4'-Nitro-4-diMethylaMinoazobenzene4'-???-4-??????????2491-74-9C14H14N4O2
3-Bromoimidazo[1,2-a]pyridine4926-47-0C7H5BrN2
4-Amino-2,3,5,6-tetrafluoropyridine, 98%1682-20-8C5H2F4N2
M-Acetotoluidine3'-?????????537-92-8C9H11NO
2-Isopropyl-6-methylphenyl isothiocyanate2-?????-6-???????????102561-43-3C11H13NO
Phenyl-p-benzoquinone, 99%??-P-????363-03-1C12H8O2
2-Fluoro-3-nitrobenzotrifluoride2-FLUORO-3-?????????????61324-97-8C7H3F4NO2
3-Amino-5-bromobenzoic acid 98%42237-85-4C7H6BrNO2
2-Amino-thiazole-4-carboxylamide118452-02-1C4H5N3OS
6-Iodo-pyridine-2-carboxylic acid methyl ester, 98%6-IODO-PYRIDINE-2-???????????849830-15-5C7H6INO2
Dichloro[(R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl][(1R,2R)-(+)-1,2-diphenylethylenediamine]ruthenium(II), min. 90%(1R, 2R) - (+) - 1,2- ? ?? ??? ???] ??? (II)212143-23-2C58H48Cl2N2P2Ru
(-)-1-(9-Fluorenyl)ethyl chloroformate, 0.5 w/v % solution in acetone (ca 18mM)154479-90-0C16H13ClO2
4,5-Dimethoxy-2-nitrocinnamic acid, 97%20567-38-8C11H11NO6
3-Iodoaniline, 98%626-01-7C6H6IN
1-(Methylsulfonyl)-4-piperidinecarboxylic acid1-?????-????-4-?????280772-00-1C7H13NO4S
Rhenium(VII) oxide (99.99%-Re) PURATREM1314-68-7O7Re2
2-Bromofluorene, 95%1133-80-8C13H9Br
2-Amino-4-chlorobenzothiazole, 97%19952-47-7C7H5ClN2S
Methyl 5-methylsalicylate, 97%22717-57-3C9H10O3
1-Pyrrolidin-2-(N-Cbz-N-methyl)amino-ethane1-PYRROLIDIN-2-(N-CBZ-N-METHYL)???-??886362-96-5C15H22N2O2
1,5-Dioxepan-2-one1,5-????-2-?35438-57-4C5H8O3
3-chloro-N-(2-ethylphenyl)propanamide(SALTDATA: FREE)3-???-N-(2-????)??????349090-40-0C11H14ClNO
2,2-DiMethylglutaric Acid681-57-2C7H12O4
2-(4-ethyl-1-piperazinyl)-2-methyl-1-propanamine(SALTDATA: FREE)891643-94-0C10H23N3
tert-Butyl disulfide, 97%?3????????110-06-5C8H18S2
3-(4-bromophenyl)-7-hydroxy-4H-chromen-4-one(SALTDATA: FREE)96644-05-2C15H9BrO3
4-fluoro-1H-indazole, 95%4-????(1H)???341-23-1C7H5FN2
Phenylselenocyanate, tech., 90%2179-79-5C7H5NSe
2-(1H-Pyrazol-1-yl)benzylamine 97%2-(1H-???-1-?)????449758-13-8C10H11N3
N,N'-DiphenylforMaMidine622-15-1C13H12N2
4-tert-Butylaniline, 98%????(4-???)769-92-6C10H15N
2-methyl-3-[(3-pyridinylmethyl)amino]benzoic acid(SALTDATA: FREE)2-??-3-[(3-??????)???]???878714-39-7C14H14N2O2
(S)-Benzyl 2-carbamoylpyrrolidine-1-carboxylate, 98%(2S)-2-????????-1-????? ??34079-31-7C13H16N2O3
2-Chloro-6-Methoxytoluene3260-88-6C8H9ClO
3'-Methoxybiphenyl-3-carboxylic acid3'-???-???-3-?????168618-45-9C14H12O3
4-Trityl-3-thiosemicarbazide4-???-3-????????21198-26-5C20H19N3S
4-Fluoro-2-(trifluoromethyl)cinnamic acid243977-21-1C10H6F4O2
Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex, Pt 2000 ppm1,3-????-1,1,3,3-????????? ?? ??68478-92-2C8H18OPtSi2
Acetovanillone, 98.5%??????498-02-2C9H10O3
Neopentylboronic acid701261-35-0C5H13BO2
2-[(2-methylphenylthio)(methylthio)methylene]-malononitrile2-[(2-??????)(????)???]-??????214330-80-0C12H10N2S2
[3-(methoxymethoxy)phenyl](pyridin-2-yl)methanone(SALTDATA: FREE)[3-(METHOXYMETHOXY)PHENYL](PYRIDIN-2-YL)???474534-38-8C14H13NO3
4-Cyanophenylboronic acid, 98%126747-14-6C7H6BNO2
2-Iodo-1H-perfluoroethane 97%???-1,1,2,2-?????????354-41-6C2HF4I
N-Methyl-N-[(5-methyl-2-phenyl-3-furyl)methyl]amine , 95%869901-18-8C13H15NO
3-Chloro-4-hydroxytetrahydro-1H-1lambda~6~-thiophene-1,1-dione, 97%3-???-4-?????????????-1,1-?????49592-61-2C4H7ClO3S
N-(4-Bromophenyl)maleimide, 98%N-(4-?????)?????13380-67-1C10H6BrNO2
5-Formylfuran-2-boronic acid, 98%27329-70-0C5H5BO4
3-Amino-4-picoline, 99%3430-27-1C6H8N2
5-Hydroxyisoquinoline, 96%2439-04-5C9H7NO
2-Phenoxybenzhydrazide2-??????????43038-37-5C13H12N2O2
(1R,2R)-2-(Diphenylphosphino)-2,3-dihydro-1H-inden-1-amine, min. 97% (10wt% in THF)(1R,2R)-2-(???????)-2,3-????-1H-??-1-??,1091606-70-0C21H20NP
5-Amino-1-(2,4,6-trichlorophenyl)-1H-pyrazole-4-carbonitrile79002-96-3C10H5Cl3N4
Ethyl 2,4-dichloro-6-methylnicotinate , 97%86129-63-7C9H9Cl2NO2
2-Hydroxy-2',5,5'-trichlorobiphenyl384448-14-6C7H4F3NO
4-Bromo-2-fluoroanisole, 98%4-???-2-??????2357-52-0C7H6BrFO
5-Bromo-4-chloro-3-indolyl-β-D-cellobioside, 98%177966-52-8C20H25BrClNO11
(3-Piperidinophenyl)methylamine , 95%(3-???????)????175696-71-6C12H18N2
5-Methyl-2-phenyl-1,3-oxazole-4-carbonyl chloride , 97%5-??-2-??-1,3-???-4-???51655-71-1C11H8ClNO2
4-(2,4-Dichloro-phenyl)-2,4-dioxo-butyric acid methyl ester4-(2,4-????-??)-2,4-???-??????????17511-73-6C11H8Cl2O4
1-Benzothiophen-5-ylmethanol, 97%1-?????-5-????20532-34-7C9H8OS
4-Acetamidobenzoic acid, 99%556-08-1C9H9NO3
9,9-Dioctylfluorene-2,7-diboronic acid, 98%99-???????-27-????258865-48-4C29H44B2O4
α-D-Glucose pentaacetate, 98%??-D-???? ???????604-68-2C16H22O11
2-Chloro-5-fluorotoluene, 98%33406-96-1C7H6ClF
HEPES sodium salt, 99%4-(2-???????)????-1-????? ?, ??? ? (1:1)75277-39-3C8H19N2NaO4S
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