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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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5-Bromobenzo[d]thiazol-2-amine, 97%2-???-5-????????20358-03-6C7H5BrN2S
4-Acetamidobutyric acid, 99+%3025-96-5C6H11NO3
1,2-PhenylenediaMine Sulfate1,2-?????????74710-09-1C6H10N2O4S
4-Amino-3-pyridinecarboxyaldehyde hydrochloride, 97%4-???-3-??????HCL927891-97-2C6H6N2O·HCl
4-(pyrimidin-2-yloxy)benzaldehyde(SALTDATA: FREE)433920-92-4C11H8N2O2
2-(TrifluoroMethoxy)phenylacetonitrile137218-25-8C9H6F3NO
2-Amino-5-cyanopyridine, 98%4214-73-7C6H5N3
2,2-Difluoropropionic acid, 97%2,2-??????????373-96-6C3H4F2O2
Hydroxylamine hydrochloride, 98.5%, analytical grade?? ??????5470-11-1NH2OH·HCl
Dithieno[2,3-b:2',3'-d]thiophene, 98%????[2,3-B:2',3'-D]???3593-75-7C8H4S3
Methylthiomethyl acetate, 95%16437-69-7C4H8O2S
Methyl 2-chloro-6-methylpyrimidine-4-carboxylate, 97%??2-???-6-?????-4-???????89793-11-3C7H7ClN2O2
1H,1H,2H,2H-Perfluorooctanesulfonic acid1H,1H,2H,2H-????????27619-97-2C8H5F13O3S
2,3-Dibromo-5-methylpyridine29232-39-1C6H5Br2N
2,7-Dimethoxynaphthalene, 98%3469-26-9C12H12O2
2,5-Dimethoxybenzoic acid, 98%2785-98-0C9H10O4
N-(o-Toluoyl)glycine42013-20-7C10H11NO3
7-hydroxy-3-quinolinecarbaldehyde(SALTDATA: FREE)7-?????-3-?????????363135-54-0C10H7NO2
1-(2-Aminophenyl)-3-pyrrolidinol1-(2-?????)-3-?????955398-56-8C10H14N2O
2-Hydroxyisobutyric acid2-?????-2-??????594-61-6C4H8O3
1-Methyl-1H-pyrazol-5-ylamine, 97%1-??-1H-???-5-???1192-21-8C4H7N3
2,3,4,5,6-Pentafluorobenzoic acid, 99%?????????602-94-8C7HF5O2
Ethylmagnesium bromide, 3M in ether????, ?????-925-90-6C2H5BrMg
Trimethoxyboroxine, min. 95%102-24-9C3H9B3O6
Tris(acetonitrile)cyclopentadienylruthenium(II) hexafluorophosphate, min. 98%80049-61-2C11H14F6N3PRu5*
o-Tolylthiourea614-78-8C8H10N2S
2-Amino-5-ethyl-thiophene-3-carboxylic acid methyl ester, 98%2-???-5-??-???-3-???????????19156-63-9C8H11NO2S
2-Chloro-6-trifluoromethyl-pyridine, 98%39890-95-4C6H3ClF3N
4'-Butylacetophenone, 99%37920-25-5C12H16O
2-BroMobenzaldehyde Diethyl Acetal2-???????????????35822-58-3C11H15BrO2
5-Methoxybenzofuran-2-carboxylic acid5-???????-2-?????10242-08-7C10H8O4
5-Amino-2-bromo-6-picoline126325-47-1C6H7BrN2
4-AMino-3-fluorobenzotrifluoride69409-98-9C7H5F4N
(S)-(+)-Ketopinic Acid?????40724-67-2C10H14O3
4-Carvomenthenol, 97%4-????562-74-3C10H18O
4-Nitrobenzyl chloroformate, 97%4457-32-3C8H6ClNO4
Mesoporphyrin IX, dimethyl ester, 97%??????IX???????1263-63-4C36H42N4O4
Methyl Orange, indicator?? ???547-58-0C14H14N3NaO3S
4-(Trifluoroacetyl)toluene, 98%4-(?????????)???394-59-2C9H7F3O
Staurosporine, 98%, from Streptomyces sp.62996-74-1C28H26N4O3
4-bromo-2-chloro-1-isocyanatobenzene(SALTDATA: FREE)190774-47-1C7H3BrClNO
2-Chloro-N-[2-(trifluoroMethyl)phenyl]acetaMideN-(??????)-2-(????????)???3792-04-9C9H7ClF3NO
Di-tert-butylmethylphosphonium tetrafluoroborate, 99%479094-62-7C9H22BF4P
2-Mercapto-5-MethylbenziMidazole2-????-5-????????27231-36-3C8H8N2S
4-Thiobenzonitrile4-???????36801-01-1C7H5NS
Methyl 3-aMino-5-Methylthiophene-2-carboxylate??3-???-5-?????-2-???????76575-71-8C7H9NO2S
6-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid(SALTDATA: FREE)???C5200334785-07-4C11H9NO4
1-Methyl-4-(piperidin-4-yl)-piperazine, 98%53617-36-0C10H21N3
(S)-4-Benzyl-2-oxazolidinone, 99%, ee: 98.5%(S)-(-)-4-??-2-???????90719-32-7C10H11NO2
1,3-Dimethoxybenzene, 99%??????151-10-0C8H10O2
1,3,5-Trimethyl-1H-pyrazole-4-carboxaldehyde, 97%1,3,5-????-1H-???-4-????????2644-93-1C7H10N2O
1-(1,4-diMethyl-2-piperazinyl)MethanaMine (SALTDATA: FREE)(1,4-???????-2-?)????131922-07-1C7H17N3
5-methyl-1H-pyrazole-3-carbaldehyde(SALTDATA: FREE)5-??-1H-???-3-??????3273-44-7C5H6N2O
3,4-Dihydro-2H-pyran-5-carbaldehyde3,4-DIHYDRO-2H-PYRAN-5-??????25090-33-9C6H8O2
4-(1H-Imidazol-1-yl)phenol, 97%4-(????-1-?)??10041-02-8C9H8N2O
Methyl 1-benzyl-4-oxo-3-piperidinecarboxylate hydrochloride, 95%3939-01-3C14H18ClNO3
7-(4-Methoxy-phenyl)-4,7-dioxo-heptanoic acid7-(4-???-??)-4,7-???-???24090-40-2C14H16O5
(R)-1-N-Boc-Piperidine-3-ethanol(R)-1-N-Boc-3-(2-??????)????389889-62-7C12H23NO3
N-[(2,3-dioxo-1,2,3,4-tetrahydroquinoxalin-6-yl)sulfonyl]glycine(SALTDATA: FREE)112170-26-0C10H9N3O6S
1-(2-Chlorophenyl)piperazine1-(2-?????)????39512-50-0C10H13ClN2
3-Phosphonopropanoic acid5962-42-5C3H7O5P
2-Fluoro-5-(trifluoromethyl)benzophenone2-????-5-(????????)????199292-40-5C14H8F4O
4-(Pyrrolidin-1-yl)benzeneboronic acid, pinacol ester 97%852227-90-8C16H24BNO2
Ethyl 3,5-dibromo-1H-indole-2-carboxylate??3,5-DIBROMO-1H-??-2-???????77185-78-5C11H9Br2NO2
2,5-Dichloronicotinic acid59782-85-3C6H3Cl2NO2
3'-Fluoro-4'-Methoxyacetophenone455-91-4C9H9FO2
3-Indoleacrylic acid, 98%3-??????1204-06-4C11H9NO2
2-Trifluoromethyl-1H-benzimidazole, 98%2-(????????)??????312-73-2C8H5F3N2
3-Bromo-4-chlorobenzoic acid, 97%42860-10-6C7H4BrClO2
Dodecyltrimethylammonium bromide, 99%?????????? ????1119-94-4C15H34BrN
4-Cyanostyrene, 95%4-??????3435-51-6C9H7N
2,6-Difluoro-4-hydroxybenzeneboronic acid957065-87-1C6H5BF2O3
1-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]piperidine , 97%859833-22-0C18H28BNO2
N-(tert-Butoxycarbonyl)-D-tert-leucine124655-17-0C11H21NO4
3-(pyridin-4-yl)benzoic acid, 95%4385-78-8C12H9NO2
3-Methyl-4-nitroanisole, 98%5367-32-8C8H9NO3
3-Bromophenylboronic acid, 98%3-????????89598-96-9C6H6BBrO2
1H,1H,2H,2H-Perfluorodecyltrimethoxysilane, 97%??????????????????83048-65-1C13H13F17O3Si
Molecular sieves, -600 mesh powder (Linde 13X)?????? 13X63231-69-6AlCaNaO9Si3
2,3-Bibromonaphthalene, 98%13214-70-5C10H6Br2
2-Oxo-2,3-dihydro-1,3-benzoxazole-6-sulfonyl chloride , 95%2,3-????-2-??????-6-????????27685-90-1C7H4ClNO4S
4-(Dimethylamino)benzene-1-carbohydrazide , 97%4-???????????????19353-92-5C9H13N3O
3-methyl-5-pyrrolidin-2-yl-1,2,4-oxadiazole(SALTDATA: HCl)3-??-5-(????-2-?)-1,2,4-?????915921-82-3C7H11N3O
(4-Bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid(4-BROMO-3,5-DIMETHYL-PYRAZOL-1-YL)-????312309-43-6C7H9BrN2O2
3,5-Dimethylisatoic anhydride3,5-??????????56934-87-3C10H9NO3
4-(4-Bromobenzenesulfonyl)piperazine4-(4-????????)????179334-20-4C10H13BrN2O2S
2-Bromo-5-fluorophenyl isothiocyanate, tech2-???-4-???????????????175205-35-3C7H3BrFNS
2,2,3,3,4,4-Hexafluoropent-1,5-diyl dimethacrylate2,2,3,3,4,4-??????-1,5-??????????918-36-5C13H14F6O4
2,3-Dimethyl-1H-indole-6-carboxylic acid, 97%2,3-???-1H-??-6-?????103986-06-7C11H11NO2
[1-(Thien-2-ylmethyl)piperid-4-yl]methylamine , 97%4-(?????)-1-(??-2-???)????883541-34-2C11H18N2S
N-(3-pyridinylmethyl)-1-propanamine(SALTDATA: FREE)N-(???-3-???)???-1-??19730-13-3C9H14N2
3-Amino-5-cyano-benzoic acid methyl ester, 98%3-???-5-???-?????????199536-01-1C9H8N2O2
3-Amino-2-(2,3-dimethylphenoxy)pyridine2-(2,3-??????)???-3-??175136-23-9C13H14N2O
5-(Chloromethyl)-1-phenyl-1H-tetrazole1H-????,5-(?????)-1-??-(9CI)64473-40-1C8H7ClN4
N-[1-(Aminomethyl)cyclohexyl]-N-ethyl-N-methylamine363626-93-1C10H22N2
1-(4-Iodobenzyl)-1H-1,2,4-triazole, 95%1-(4-?????)-1H-1,2,4-?????864068-93-9C9H8IN3
3-Hydroxy-4-Methyl-2(3H)-thiazolethione [for Source of Alkyl Radical]3-????-4-??-2(3H)-?????49762-08-5C4H5NOS2
7-Fluoro-1-benzothiophene-2-carboxylic acid7-??????[b]???-2-?????550998-67-9C9H5FO2S
5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride , 97%230295-11-1C9H6ClF3N2O2S2
2-[2-(Dimethylamino)ethoxy]benzaldehyde 97%2-[2-(???????)???]?????9715182-06-6C11H15NO2
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