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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
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DL-Alanine methyl ester hydrochloride, 98%13515-97-4C4H10ClNO2
5-(4-methylphenyl)-1H-imidazol-2-amine(SALTDATA: FREE)5-(4-????)-1H-????-2-??60472-16-4C10H11N3
3-(methoxymethyl)-1H-1,2,4-triazole(SALTDATA: FREE)3-(?????)-1H-1,2,4-????(SALTDATA:FREE)23159-59-3C4H7N3O
1-(3,4,5-Trimethoxyphenyl)ethylamine1-(3,4,5-?????-??)-????121082-99-3C11H17NO3
4-Methoxy-3-methylbenzoic acid6880-04-2C9H10O3
2-Methoxypyridine-6-boronic acid hydrochloride372963-51-4C6H8BNO3
Europium(III) oxalate hydrate (99.9%-Eu) (REO)14175-02-1C6H2Eu2O13
Methyl 5-amino-2-morpholinobenzenecarboxylate5-AMINO-2-MORPHOLIN-4-YL-?????????83909-35-7C12H16N2O3
2-(1,1-dioxidotetrahydro-3-thienyl)ethanamine(SALTDATA: HCl)2-(1,1-??????????-3-???)????(SALTDATA:HCl)790594-67-1C6H13NO2S
5-(4-Chlorobutyl)hydantoin5-(4-?????)??????40126-55-4C7H11ClN2O2
3-Chloro-2,6-dimethoxy-5-nitrobenzoic acid3-???-2,6-?????-5-??????175135-56-5C9H8ClNO6
Indene, 95%??95-13-6C9H8
1-(3-Chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride, 97%39577-43-0C13H18Cl2N2
2-Chloro-3-quinolinecarbonyl chloride , Tech.2-???-3-???????????136812-19-6C10H5Cl2NO
2-AMino-4-chlorophenol-6-sulfonic Acid3-???-5-???-2-???????????88-23-3C6H6ClNO4S
5-Nitroindane4(5)-?????7436-07-9C9H9NO2
3-(2-Pyridyldithio)propionic acid N-hydroxysuccinimide ester, 96%3-(2-??????)????? N-?????????? ????68181-17-9C12H12N2O4S2
5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride, 90%5-((46-????????-2-YL)???)21811-74-5C23H13Cl3N4O5
3-Iodoindole-2-carboxylic acid3-??????-2-????167631-58-5C9H6INO2
2-Benzyloxy-1,3-propanediol2-????-1,3-?????14690-00-7C10H14O3
2-Propylthiazole2-N-??????17626-75-4C6H9NS
7-Acetoxy-4-broMoMethylcouMarin [for HPLC Labeling]7-????-4-(?????)???2747-04-8C12H9BrO4
Pyrrolidine-1-sulfonyl chloride1689-02-7C4H8ClNO2S
N-methyl-1-(1-phenyl-1H-pyrazol-4-yl)methanamine(SALTDATA: HCl)N-??-N-[(1-??-1H-???-4-YL)??]??868552-05-0C11H13N3
tert-butyl 2,2-dimethyl-3-oxopyrrolidine-1-carboxylate(SALTDATA: FREE)tert-??2,2-???-3-??????-1-???????(SALTDATA:??)1215295-96-7C11H19NO3
11-BroMoundecyl trichlorosilane79769-48-5C11H22BrCl3Si
(4R)-(+)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone191090-32-1C18H19NO2
3-Iodo-4-Methoxyaniline74587-12-5C7H8INO
2-Oxo-3273-68-5C11H12N2O3
Benzotriazol-2-yl-acetic acid2-??????-2H-??????4144-68-7C8H7N3O2
4-Methylumbelliferyl N,N-diacetyl-β-D-chitobioside, 98%53643-12-2C26H34N2O13
2-Naphthoxyacetic acid, 98%120-23-0C12H10O3
N-(6-Chloro-pyridin-2-yl)-2,2-dimethyl-propionamide86847-84-9C10H13ClN2O
Methyl 4-aminothiophene-3-carboxylate , 95%??4-??????-3-???????69363-85-5C6H7NO2S
4-(4,4,5,5-TetraMethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde4-?????????????????128376-64-7C13H17BO3
Methyl 4-AMino-2-Methoxybenzoate??4-???-2-????????27492-84-8C9H11NO3
3-methoxy-4-(2-phenoxyethoxy)benzaldehyde(SALTDATA: FREE)299936-09-7C16H16O4
5-Hydroxy-4-methoxy-2-nitrobenzoic acid5-????-4-???-2-??????31839-20-0C8H7NO6
3-amino-4-methoxy-N-methylbenzamide(SALTDATA: HCl)3-???-4-???-N-???????(SALTDATA:HCl)878160-14-6C9H12N2O2
Tetramethylurea-d12, 99+ atom % D, for NMR????????-D1251219-89-7C5D12N2O
t-Butyl trifluoroacetateT-?????????400-52-2C6H9F3O2
α-Methyl-3-trifluoromethylbenzyl bromide-??-3-???????????????68120-41-2C9H8BrF3
5-[(4-chloro-2-methylphenoxy)methyl]-4-ethyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)588673-88-5C12H14ClN3OS
4-Isopropoxyaniline, 98%3-?????????7664-66-6C9H13NO
2-Chloromalonaldehyde, 94%36437-19-1C3H3ClO2
2-(methylsulfonyl)ethanamine(SALTDATA: 0.95HCl)2-?????????49773-20-8C3H9NO2S
4,4,5,5,6,6,6-Heptafluoro-3,3-bis(trifluoromethyl)-1-hexene??????-3,3-BIS(????????)-1-??79272-26-7C8H3F13
4-(DifluoroMethoxy)broMobenzene4-(???)????5905-69-1C7H5BrF2O
9-AMinoacridine Hydrochloride Monohydrate9-?????????????52417-22-8C13H13ClN2O
1,3-Bis(4-hydroxybutyl)tetraMethyldisiloxane5931-17-9C12H30O3Si2
[2-(Methacryloyloxy)ethyl]trimethylammonium chloride, 72% solution in H2O, stabilized?????? ???? ??????? ?????5039-78-1C9H18ClNO2
2-Methylpyridine-3-boronic acid pinacol ester1012084-56-8C12H18BNO2
(-)-Menthyl Chloride16052-42-9C10H19Cl
5-Fluoro-1-benzothiophene-2-carbaldehyde5-????-1-?????-2-???????698367-29-2C9H5FOS
2,11-Dithia[3.3]paracyclophane2,11-???[3.3]???????28667-63-2C16H16S2
Boron carbide, powder, 99+%?? ??12069-32-8CB4
Ginsenoside Rf, 98%, from Panax ginseng C. A. Mey.52286-58-5C42H72O14
9,10-Dicyanoanthracene1217-45-4C16H8N2
2,3-Diphenylpiperazine2,3-???-????143699-24-5C16H18N2
4'-Bromo-3'-(trifluoromethyl)acetanilide 98%41513-05-7C9H7BrF3NO
2,4,5-Triiodo-1H-imidazole2,4,5-?????????1746-25-4C3HI3N2
Dimethyl(acetylacetonate)gold(III), 98% (99.9%-Au)???(?????????)?(III)14951-50-9C7H13AuO2
2-Bromomalonaldehyde, 99%2065-75-0C3H3BrO2
2-(5,7-difluoro-2-methyl-1H-indol-3-yl)ethanamine(SALTDATA: 1.0C2H2O4 0.75H2O 0.2SiO2)383145-87-7C11H12F2N2
Methyl 3-O-(2-acetamido-2-deoxy-β-glucopyranosyl)-β-D-galactopyranoside ,98%93253-17-9C15H27NO11
n-Tetradecane, 99.5%n-?????629-59-4C14H30
Heptanoic acid hydrazide?????????????22371-32-0C7H16N2O
1-(Trifluoromethyl)cyclopropane-1-carboxylic acid, 98%277756-46-4C5H5F3O2
6-Hydroxyquinoline, 98%6-???????580-16-5C9H7NO
2-chloro-3-fluorobenzenamine, 95%21397-08-0C6H5ClFN
Poly(2-acrylamido-2-methyl-1-propanesulfonic acid), average M.W. 800,000, 10 wt.% solution in H2O??(2-??????-2-??-1-???-?? ?)27119-07-9C7H13NO4S
3-Fluoro-4-(trifluoromethyl)benzamide247170-27-0C8H5F4NO
Ethyl 3-phenyl-1H-pyrazole-5-carboxylate, 97%5-??-2H-???-3-???????????13599-12-7C12H12N2O2
4-Acetylpyrazole???,1-(1H-???-4-?)-(9CI)25016-16-4C5H6N2O
1-Bromo-4-n-dodecylbenzene, 95%1-???-4-?????126930-72-1C18H29Br
Florisil, 60 - 100 mesh, for column chromatography????1343-88-0MgO3Si
1-(3-pyridinyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine(SALTDATA: FREE)1-???-3-YL-1,2,3,4-?????????[1,2-A]???865546-36-7C12H13N3
Ethyl 2-mesityl-2-oxoacetate, tech????????????5524-57-2C13H16O3
methyl 2,4-dimethyl-1H-pyrrole-3-carboxylate(SALTDATA: FREE)1H-??-3-?????,2,4-???-,??????(9Cl)52459-90-2C8H11NO2
[2-(4-Dimethylamino-phenyl)-benzooxazol-5-yl]-(4-nitro-benzylidene)-amine331445-35-3C22H18N4O3
4-(phenoxymethyl)-1,3-thiazol-2-amine(SALTDATA: FREE)4-?????-???-2-???94830-63-4C10H10N2OS
N-[(5-methyl-2-thienyl)methyl]cyclopentanamine(SALTDATA: HCl)893587-03-6C11H17NS
5-Fluoro-2-(methylcarbamoyl)benzeneboronic acid957062-96-3C8H9BFNO3
(2'-Chloro-biphenyl-2-yl)-acetic acid2-BIPHENYL-2'-???-????669713-77-3C14H11ClO2
1-(piperidin-3-ylmethyl)piperidine(SALTDATA: 2HCl 0.8H2O)1-(????-3-???)????81310-56-7C11H22N2
(4-bromobenzyl)ethylamine(SALTDATA: HCl)N-??-4-???????856795-95-4C9H12BrN
C-Quinolin-3-yl-methylamineC-???-3-YL-????7521-70-2C10H10N2
3-Nitro-4-(trifluoromethoxy)aniline 98%3-???-4-(?????????)???2822-50-6C7H5F3N2O3
Cyclohexyl p-Toluenesulfonate??????P-????????953-91-3C13H18O3S
4-AMyloxybenzaldehyde4-N-??????????5736-91-4C12H16O2
(S)-1-(2-Bromophenyl)ethylamine(S)-(-)-1-(2-?????)????140623-12-8C8H10BrN
5-(2-ethoxyethyl)-1,3,4-thiadiazol-2-amine(SALTDATA: FREE)5-(2-???-??)-[1,3,4]?????-2-???299936-83-7C6H11N3OS
4-[(2-Chloropyridin-3-yl)sulphonyl]morpholine 97%60597-72-0C9H11ClN2O3S
1-(4-Aminophenyl)-4-piperidinol1-(4-?????)????-4-?142752-12-3C11H16N2O
2-Methyl-1H-imidazole-4-carbothioamide, 97%2-??-1H-????-4-????????129486-91-5C5H7N3S
1-Benzyl-5-nitro-1H-1,3-benzimidazole????BF00241215207-93-9C14H11N3O2
3-[(cyclopentylcarbonyl)amino]benzoic acid(SALTDATA: FREE)3-[(?????????)???]???915921-84-5C13H15NO3
N'-Cyano-3-pyridinecarboximidamide73631-23-9C7H6N4
Tributyl(2-Methoxyethyl)phosphoniuM Bis(trifluoroMethanesulfonyl)iMide959698-44-3C15H34OP.C2F6NO4S2
Tris(4-trifluoroMethylphenyl)bisMuth Dichloride???????(4-??????????)????121882-75-5C21H12BiCl2F9
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