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

?? ?:J & K SCIENTIFIC LTD.
??:-
???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
? ?? ?:96815
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Methyl levulinate, 97%???????????624-45-3C6H10O3
5-(Octadecanoylamino)flurorescein5-(?????????)??????110698-53-8C38H47NO6
1,2-Dihydro-4-methoxythieno[3,2-d]pyrimidine1,2-?????-4-??????[3,2-d]????1203412-51-4C7H8N2OS
Ethyl 1,4-dibenzylpiperazine-2-carboxylate, 97%??1,4-???????-2-???????72351-59-8C21H26N2O2
3-Aminothieno[2,3-c]pyridine-2-carboxylic acid amide???[2,3-c]???-2-??????,3-???-(9Cl)111042-94-5C8H7N3OS
(1S,4S)-(-)-2-Boc-2,5-diazabicyclo[2.2.1]heptane, 97%113451-59-5C10H18N2O2
Salicylaldehyde azine, 98%?????????959-36-4C14H12N2O2
4-Fluorobenzylzinc chloride, 0.5 M in THF4-???????????312693-07-5C7H6ClFZn
Samarium(III) acetylacetonate hydrate (99.9%-Sm) (REO)???2,4-???????14589-42-5C15H21O6Sm
α-Methyl-L-tyrosine672-87-7C10H13NO3
2,3-Dihydrobenzo[b]furan-7-methanol , 97%2,3-DIHYDROBENZO[B]FURAN-7-???151155-53-2C9H10O2
Trifluorovinyl chlorosulphate??????????????????923-15-9C2ClF3O3S
4,5-Difluorophthalonitrile4,5-???????????134450-56-9C8H2F2N2
1,2,3,4-Naphthalenetetrone30266-58-1C10H4O4
Ethyl palMitoleate???????????56219-10-4C18H34O2
2-Cyanomethylbenzimidazole, 99%2-(?????)??????4414-88-4C9H7N3
1,2-Bis((2S,5S)-2,5-di-i-propylphospholano)ethane, min. 97%528854-34-4C22H44P2
Poly(isobutyl methacrylate), average Mw ~260,000 (GPC)??(????? ?????)9011-15-8C8H14O2
Ammonium hexachloroiridate(IV), 99%16940-92-4Cl6H4IrN-
5-Amino-2-chloro-3-picoline, 97%38186-82-2C6H7ClN2
N-Acetyl-iminodiacetic acid methyl ester, 98%(ACETYL-METHOXYCARBONYLMETHYL-AMINO)-ACETICACIDMETHYL????5410-10-6C8H13NO5
Dithiooxamide, 98%??? ?????79-40-3C2H4N2S2
9-Methoxy-4-methyl-2,4,5,6-tetrahydro-1H-3,4,6a-triazafluoranthene hydrochloride???53734-79-5C15H18ClN3O
EthyltriMethylaMMoniuM Iodide??????????????51-93-4C5H14IN
Ethyl dichlorophosphite, 98%1498-42-6C2H5Cl2OP
2,4-Di(tert-butoxy)pyrimidin-5-ylboronic acid hydrate, May contain varying amounts of anhydride, 97%2,4-DI(TERT-???)????-5-???????109299-79-8C12H21BN2O4
DiMethylaMMoniuM dichlorotri(μ-chloro)bis{(S)-(-)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole}diruthenate(II) [NH2Me2][{RuCl((S)-dM-segphos?)}2(μ-Cl)3]944451-14-3C94H100Cl5NO8P4Ru2
5-Acetyl-2,2'-bithienyl, 97%3515-18-2C10H8OS2
Methyl 6-nitro-2-oxo-2H-chromene-3-carboxylate??6-???-2-??-2H-???-3-???????91059-67-5C11H7NO6
2-Ethyl-4-methyl-thiazole-5-carboxylic acidhydrazide2-??-4-??-???-5-??????????496057-26-2C7H11N3OS
Tetrabutylammonium dihydrogen trifluoride, 90%???-N-???????????????????99337-56-1C16H38F3N
5-methylpyridin-3-yl-3-boronic acid, 95%173999-18-3C6H8BNO2
Betanin??????7659-95-2C24H26N2O13
1-Phenyl-2-pyrazin-2-ylethanone1-??-2-???-2-????40061-45-8C12H10N2O
Tetrachloroterephthalonitrile1897-41-2C8Cl4N2
5-ChlorotryptaMine Hydrochloride2-(5-???-1H-??-3-?)???????942-26-7C10H12Cl2N2
5-bromo-N-ethyl-2-thiophenecarboxamide(SALTDATA: FREE)908518-19-4C7H8BrNOS
D,L-AdrenochroMe??????54-06-8C9H9NO3
N-EthylpropionaMideN- ?? ???????5129-72-6C5H11NO
Methyl 2-amino-5-pyrimidinecarboxylate308348-93-8C6H7N3O2
2,3-Dichloro-6-nitrobenzonitrile2,3-????-6-????????2112-22-3C7H2Cl2N2O2
1-(1-benzyl-1H-imidazol-2-yl)methanamine(SALTDATA: 2HCl)(1-BENZYL-1H-IMIDAZOL-2-YL)????26163-58-6C11H13N3
3-ChloroMethyl-5-nitrosalicylaldehyde3-?????-5-??????????16644-30-7C8H6ClNO4
trans-(4-Methyl-cyclohexyl)-acetic acid???-(4-??-??????)-????7132-93-6C9H16O2
S[3-Indolyl]isothiuroniuM Iodide2-1H-??-3-????????,???????????26377-76-4C9H10IN3S
3-Methoxybutyl 3-Mercaptopropionate3-?????3-???????????27431-40-9C8H16O3S
D-Glucosamine-2-N,3-O-disulphate disodium salt, 95%112898-34-7C6H11NNa2O11S2
Boc-D-Valinol106391-87-1C10H21NO3
Pinakryptol yellow, 95%????????25910-85-4C21H22N2O7S
Dichlorobis(3-(diphenylphosphino)propylamine)ruthenium(II), 97%??????(3-(???????)?????)???(II)911128-25-1C30H36Cl2N2P2Ru
1,1,3,3-Tetraethoxy-1,3-dimethyldisiloxane18001-60-0C10H26O5Si2
Bis(tetrabutylaMMoniuM) Bis(1,3-dithiole-2-thione-4,5-dithiolato)platinuM(II)BIS(???-N-?????)BIS(1,3-???-2-??-4,5-?????)??(II)72688-91-6C38H72N2PtS10
N-Cbz-L-Glutamic acid alpha-methyl esterdicyclohexyl ammonium saltN-CBZ-L-???????-?????????????????5672-82-2C26H40N2O6
5-hydroxy-7-methyl-4-propyl-2H-chromen-2-one(SALTDATA: FREE)66346-53-0C13H14O3
(5Z)-5-(2-hydroxy-5-methoxybenzylidene)-2-thioxo-1,3-thiazolidin-4-one(SALTDATA: FREE)127378-32-9C11H9NO3S2
Dibenzothiophene sulfone, 97%1016-05-3C12H8O2S
Fmoc-Pro-Opfp, 98%86060-90-4C26H18F5NO4
5-(Dimethylcarbamoyl)-2-fluorobenzeneboronic acid 98%874289-46-0C9H11BFNO3
Pentamethylcyclopentadienyliron dicarbonyl dimer, min. 98%35344-11-7C24H30Fe2O410*
Nocodazole, 98%31430-18-9C14H11N3O3S
Lithium azide, 20 wt.% solution in H2O?? ???19597-69-4LiN3
1H-Benzoimidazole-5-carboxylic acid amide1H-??????-5-???????116568-17-3C8H7N3O
Methyl 4-(3,4-diaminophenoxy)benzenecarboxylate??4-(3,4-???????)????????24002-80-0C14H14N2O3
4-Amino-1-pyridin-2-ylbutan-1-one oxime hydrochloride4-???-1-???-2-???-1-?????????????374064-00-3C9H14ClN3O
4-Chlorophenyl ChlorothionoforMate4-????????????????937-64-4C7H4Cl2OS
4,5-dimethylthiophene-3-carboxylic acid(SALTDATA: FREE)4,5-??????-3-?????(SALTDATA:??)19156-52-6C7H8O2S
2,3-Dichloro-6-nitroquinoxaline2,3-????-6-???????2379-60-4C8H3Cl2N3O2
3,4-Difluoro-5-nitrobenzotrifluoride3,4-?????-5-?????????????101646-01-9C7H2F5NO2
5-methyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylic acid(SALTDATA: FREE)5-??-4,5,6,7-??????-1-?????-2-?????588698-05-9C10H12O2S
9-oxa-2-azaspiro[5.5]undecan-1-one(SALTDATA: FREE)9-??-2-?????[5.5]???-1-?1185320-34-6C9H15NO2
4-Hydroxy-1-(2-hydroxyethyl)-2,2,6,6-tetraMethylpiperidine?????????????????52722-86-8C11H23NO2
6,8-Dichloro-3-formylchromone, 97%6,8-????-3-?????64481-10-3C10H4Cl2O3
5-Amino-3-thioxo-3H-(1,2)dithiole-4-carboxylicacid ethyl ester5-???-3-???-3H-(1,2)???-4-???????????3354-38-9C6H7NO2S3
4-Chloro-3',5'-diMethylbenzophenone4-???-3',5'-???????844885-03-6C15H13ClO
cis-2-Hydroxy-1-cyclopentanecarboxamide, 99+%40481-98-9C6H11NO2
1,2-Bis(triMethylsilyl)benzene1,2-??(??????)??17151-09-6C12H22Si2
2-(Quinoxalin-6-yl)ethanol6-???????473895-88-4C10H10N2O
(4-isothiocyanatophenyl)(2-methoxyphenyl)amine(SALTDATA: FREE)915919-57-2C14H12N2OS
1-(2-Hydroxy-5-iodo-3-methylbenzyl)-1,3,3-trimethylpropanediamine dihydrochlorideN,N,N'-????-N'-(2-HYDROXY-3-METHYL-5-IODO-BENZYL)-1,3-??????????89815-43-0C14H25Cl2IN2O
2-Bromo-5-fluorobenzeneboronic acid959996-48-6C6H5BBrFO2
3-amino-3-(5-methyl-2-furyl)propanoic acid(SALTDATA: FREE)3-???-3-(5-??-2-??)????439121-19-4C8H11NO3
FITC I hydrochloride??????????????I???63469-13-6C21H12ClNO5S
N-(2-Phenoxybenzoyl)-N'-(p-tosyl)hydrazineN-(2-??????)-N'-(P-??)?????363179-62-8C20H18N2O4S
5-amino-2-(tetrahydro-2-furanylmethyl)-1H-isoindole-1,3(2H)-dione(SALTDATA: FREE)434297-53-7C13H14N2O3
DiMethylglyoxiMe DisodiuM Salt Octahydrate75006-64-3C4H22N2Na2O10
2-[(4-methylbenzyl)amino]-1-butanol(SALTDATA: HCl)869942-69-8C12H19NO
1-(2-Methoxyphenoxy)-2-propanol1-(2-??????)-2-????64120-49-6C10H14O3
1-(5-Ethyl-2-hydroxyphenyl)-3-(4-chlorophenyl)-1,3-propanedione328925-71-9C17H15ClO3
4-{3-[4-(TrifluoroMethyl)phenyl]-1H-pyrazol-4-yl}pyridine396129-66-1C15H10F3N3
(3,5-dioxomorpholin-4-yl)acetic acid(SALTDATA: FREE)(3,5-???????-4-?)????938459-18-8C6H7NO5
4-[(4-chlorobenzyl)oxy]benzaldehyde(SALTDATA: FREE)4-[(4-?????)??]??????59067-46-8C14H11ClO2
1-(Phenylhydrazone)oxaniloyl chloride2-???-2-(2-????????)-N-??????33101-93-8C14H12ClN3O
7-azabicyclo[2.2.1]heptane(SALTDATA: HCl)7-??????[2.2.1]??279-40-3C6H11N
4,4-Bis(trifluoromethyl)oxetan-2-one3,3-BIS(????????)-2-????1718-33-8C5H2F6O2
N-BroMosaccharinN-??????35812-01-2C7H4BrNO3S
2,6-Difluorobenzhydrazide2,6-????????????172935-91-0C7H6F2N2O
2,3-Diphenylquinoxaline-6-carboxylic Acid2,3-???-????-6-?????32387-96-5C21H14N2O2
2-Bromo-1-(3-bromo-4-methoxyphenyl)ethanone2-???-1-(3-???-4-?????)???6096-83-9C9H8Br2O2
Perfluoroperhydrofluorene, tech.????????307-08-4C13F22
Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)manganese(III), 99% [Mn(TMHD)3]????(TMHD)314324-99-3C33H57MnO6
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