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

?? ?:J & K SCIENTIFIC LTD.
??:-18210857532
???:jkinfo@jkchemical.com
??:China
URL: https://www.jkchemical.com
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Acetic hydrazide, 99%1068-57-1C2H6N2O
Dimethyl Acetonylmalonate??????????????24889-15-4C8H12O5
3,4-Thiophenedicarboxylic acid, 98%4282-29-5C6H4O4S
4-Methylstilbene4-????4714-21-0C15H14
2,4-DiMethoxyiodobenzene2,4-?????????20469-63-0C8H9IO2
N-(2-Amino-2-methylpropyl)-N-(3-chlorophenyl)amineN1-(3-?????)-2-?????-1,2-???854650-27-4C10H15ClN2
2',4'-Dimethoxyacetophenone, 98%829-20-9C10H12O3
4-amino-1-(2-methoxyphenyl)pyrrolidin-2-one(SALTDATA: HCl)4-???-1-(2-?????)????-2-?(SALTDATA:HCl)924866-05-7C11H14N2O2
Sulfanilamide, 99%??????63-74-1C6H8N2O2S
5-Bromo-2-iodopyridine, 98%223463-13-6C5H3BrIN
tert-Butyl 2-formyltetrahydro-1(2H)-pyridinecarboxylate2-???-????-1-?????TERT-??????157634-02-1C11H19NO3
2-Chloroheptafluoro-2-butene3-?????????-2-??434-41-3C4ClF7
8-Bromo-3,4-dihydro-1H-[1,6]naphthyridin-2-one885271-02-3C8H7BrN2O
Hexafluoroglutaryl fluoride?????????????678-78-4C5F8O2
(1S,3R)-Fmoc-3-aminocyclopentane-1 carboxylic acid220497-66-5C21H21NO4
2-Methyl-4-phenyl-3-butyn-2-ol2-??-4-??-3-??-2-OL1719-19-3C11H12O
1-(1H-Pyrrolo[2,3-b]pyridin-5-yl)-ethanone1-(1H-PYRROLO[2,3-B]???-5-?)-???944937-14-8C9H8N2O
3-BroMo-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one86499-96-9C10H10BrNO
3,5-dibromo-2-chloropyrazine, 95%1082843-70-6C4HBr2ClN2
Juglone, 98%, from Juglans mandshurica Maxim.???481-39-0C10H6O3
trans,trans-2,4-Hexadienal, 95%2,4-?????142-83-6C6H8O
Diphenyliodonium iodide, 98%????????????2217-79-0C12H10I2
5-Amino-1,3-diphenyl-1H-pyrazole5-???-1,3-??????5356-71-8C15H13N3
Acetaldehyde-DNPH1019-57-4C8H8N4O4
3,5-Difluoro-L-phenylalanine, N-FMOC protectedFMOC-L-3,5-??????205526-24-5C24H19F2NO4
1-(4-Methoxyphenyl)tetrahydro-2H-imidazol-2-one1-(4-?????)???????-2H-????-2-ONE62868-39-7C10H12N2O2
5-ForMyl-2-MethoxypyriMidine2-???-????-5-??????90905-32-1C6H6N2O2
Difluoromethyl 2,2,2-trifluoroethyl ether???????2,2,2-???????????1885-48-9C3H3F5O
2-Chloro-5-hydroxypyridine, 98%41288-96-4C5H4ClNO
2,6-Dimethoxybenzoic acid, 98%1466-76-8C9H10O4
5-fluoro-3-iodo-1H-indazole, 95%5-????-3-???-1H-???858629-06-8C7H4FIN2
1,2,3,4-Tetrahydro-isoquinoline-3-carboxylic acid methyl ester ,95%57060-86-3C11H13NO2
3,4-Dihydro-4-oxo-1,2,3-benzotriazine1,2,3-??????-4(3H)-?90-16-4C7H5N3O
3-Chloroadamantane-1-carboxylic acid, 97%3-???????-1-?????34859-74-0C11H15ClO2
Methyl 2-amino-2-(pyridin-2-yl)acetate??2-???-2-(???-2-?)?????154410-83-0C8H10N2O2
2,6-Dichloro-4-(trifluoromethyl)nicotinonitrile13600-42-5C7HCl2F3N2
5-[1-(4-chloro-3,5-dimethylphenoxy)ethyl]-4-methyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)588674-42-4C13H16ClN3OS
Trimethylsilyl trifluoromethanesulfonate, min. 97%?????? ????????????27607-77-8C4H9F3O3SSi
Dihydrogen hexahydroxyplatinate(IV), 99%51850-20-5HO6Pt-
Ethyl oxamate, 98%617-36-7C4H7NO3
3-bromo-8-methoxyimidazo[1,2-a]pyrazine, 95%3-???-8-???????[1,2-A]???91775-62-1C7H6BrN3O
(2,3-dimethoxybenzyl)(2-methoxy-1-methylethyl)amine(SALTDATA: HBr)(2,3-DIMETHOXY-BENZYL)-(2-METHOXY-1-METHYL-ETHYL)-??356090-87-4C13H21NO3
3-(5-Methyl-1,3,4-oxadiazol-2-yl)benzenesulphonyl chloride388088-81-1C9H7ClN2O3S
2,3-Difluorophenylboronic acid, 97%121219-16-7C6H5BF2O2
9-Bromo-9-phenylfluorene, 98%55135-66-5C19H13Br
4-(Trifluoromethylthio)benzoic acid, 98%4-(??????????)???330-17-6C8H5F3O2S
Guanylyl(2'→5')adenosine ammonium salt, 98%????(2′->5′)????????103192-47-8C20H28N11O11P
2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole, 95%2,3,4,5-???????-1H-???[4,3-b]??6208-60-2C11H12N2
Ethyl 2-(trifluoromethyl)phenylacetate??2-(????????)???????81580-50-9C11H11F3O2
3-Acryloxypropyltrichlorosilane38595-89-0C6H9Cl3O2Si
1,4-Diphenyl-1-butanone, 98%5407-91-0C16H16O
4-Azaindole4-????272-49-1C7H6N2
1-(2-Bromoethyl)-4-fluorobenzene, 97%332-42-3C8H8BrF
8-Aminonaphthalene-1,3,6-trisulfonic acid disodium salt, 99%???? ????? 8-???????-1,3,6-??????5398-34-5C10H10NNaO9S3
1,3-dioxo-2-propyl-5-isoindolinecarboxylic acid(SALTDATA: FREE)67822-76-8C12H11NO4
Palatine Fast Yellow BLN, pure10127-05-6C18H12CrN4NaO10S2-
4,5-Dibromo-2-phenyl-2,3-dihydropyridazin-3-one , 97%14305-08-9C10H6Br2N2O
Guaiacol carbonate, 99%553-17-3C15H14O5
2,3-Dimethylbenzylamine , 97%2,3-???????51586-20-0C9H13N
Dihydro-5-phenyl-5-propyl-4,6(1H,5H)-pyrimidinedione, 99+%59026-31-2C13H16N2O2
2,4-Difluoro-5-nitroacetanilideN1-(2,4-?????-5-?????)??????118266-02-7C8H6F2N2O3
2,2-Diisobutyl-1,3-propanediol2,2-??????-2,2-????????10547-96-3C11H24O2
5-Thio-D-glucose-6-phosphate diammonium salt, 97%5-THIO-D-????6-???????108391-99-7C6H19N2O8PS
5-Bromo-2-fluorobenzaldehyde, 98%5-???-2-??????????93777-26-5C7H4BrFO
1,2-Benzenedimethanol, 97%612-14-6C8H10O2
TetraphenylphosphoniuM Tetraphenylborate??????????????????15525-15-2C48H40BP
Methyl 6-Methylpyridine-2-carboxylate13602-11-4C8H9NO2
3-Amino-2-methoxypyridine, 98%20265-38-7C6H8N2O
4-(4-Bromobenzoyl)piperidine hydrochloride4-(4-???-???)-???????64671-00-7C12H15BrClNO
[(3-Allylthio-1,2,4-thiadiazol-5-ylthio)methyl]methyl cyanocarbonimidodithioate[(3-ALLYLTHIO-1,2,4-THIADIAZOL-5-YLTHIO)??]????????????????109348-97-2C9H10N4S5
4-(3-aminophenyl)-1,2-dimethyl-1,2,4-triazolidine-3,5-dione(SALTDATA: FREE)1160263-99-9C10H12N4O2
5-Chloro-2-phenyl-1H-imidazole-4-carbaldehyde5-???-2-??-3H-????-4-??????60367-52-4C10H7ClN2O
Thiazole-5-carboxylic acid, 98%???-5-?????14527-41-4C4H3NO2S
2-isopropoxy-1-naphthaldehyde(SALTDATA: FREE)????R26543885-24-5C14H14O2
4-Bromo-2-isopropylthiazole4-???-2-?????-1,3-???376585-97-6C6H8BrNS
4-BroMo-6-Methylisoquinoline1204298-52-1C10H8BrN
1-AMino-2-broMonaphthalene1-???-2-???????771-14-2C10H8BrN
2,5-Dimethoxybenzene-1-sulfonamide, 97%2,5-???????????19116-90-6C8H11NO4S
5-(4-Nitro-phenyl)-oxazole-4-carboxylic acid ethylester5-(4-???-??)-???-4-???????????72030-87-6C12H10N2O5
Cycloheptyl isothiocyanate??????????????81542-16-7C8H13NS
Isobutyl Styryl Ketone?????????2892-18-4C13H16O
(S)-(-)-3-(tert-Butoxycarbonyl)-4-formyl-2,2-dimethyl-1,3-oxazolidine, 95%(S)-(-)-3-TERT-???????-4-???-2,2-???-1,3-?????102308-32-7C11H19NO4
4-Phenylpyridine, 98%4-?????939-23-1C11H9N
Hexamethylacetone???????815-24-7C9H18O
cis-2-Hydroxy-1-cyclohexanecarboxamide, 98+%73045-98-4C7H13NO2
3-Amino-2-chloro-4-methylpyridine, 98%133627-45-9C6H7ClN2
Phenylurea, 98%?????64-10-8C7H8N2O
6-Aminothiouracil1004-40-6C4H5N3OS
Methyl 4-amino-3-bromobenzoate, 98%106896-49-5C8H8BrNO2
N-[4-(Trifluoromethyl)benzoyl]-L-methionine methyl ester175202-25-2C14H16F3NO3S
1-(2-Trifluoromethylphenyl)-piperazine, 98%1-(2-??????????)-????63854-31-9C11H13F3N2
Poly(vinyl acetate), average M.W. 170,000??????9003-20-7(C4H6O2)x
1-Fluoro-2,6-dichloropyridiniuM Tetrafluoroborate [Fluorinating Reagent]140623-89-8C5H3BCl2F5N
3-(Chloromethyl)-5-(4-methoxyphenyl)-1,2,4-oxadiazole , 97%3-(?????)-5-(4-?????)-1,2,4-?????73217-31-9C10H9ClN2O2
(+)-Citronellal(+)-?????2385-77-5C10H18O
N~1~-(tert-butyl)glycinamide(SALTDATA: HCl)2-???-N-(tert-??)?????????71034-40-7C6H14N2O
2,3,4,5-Tetrachlorobenzoic Acid2,3,4,5-?????????50-74-8C7H2Cl4O2
1-Phenyl-5-(trifluoromethyl)-1H-pyrazole-4-carbohydrazide , 97%1-??-5-(????????)-1H-???-4-????175137-32-3C11H9F3N4O
DL-Methylbenzylisothiocyanate32393-32-1C9H9NS
2-[(methoxyacetyl)amino]benzoic acid(SALTDATA: FREE)???,2-[(??????)???]-(9CI)215102-53-7C10H11NO4
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