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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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(R)-1-N-Boc-piperazine-2-carboxylic acid methylester252990-05-9C11H20N2O4
4-iodo-1-methyl-1H-pyrazole-5-carboxylic acid, 95%4-IODO-1-METHYL-1H-PYRAZOLE-5-?????75092-30-7C5H5IN2O2
Fmoc-Tyr(PO3H2)-OH, 98%147762-53-6C24H22NO8P
1,2,3,5-Tetrafluorobenzene, 95%2367-82-0C6H2F4
Silicon(II) oxide, granular +10 mesh (99.9%-Si)??? ?????10097-28-6OSi
2,2,6,6-Tetramethyl-3,5-octanedione, 98% (TMOD)2,2,6,6-?????-3,5-????78579-61-0C12H22O2
3-Methyl-5-(5-methylisoxazol-3-yl)isoxazole-4-carboxylic acid , 97%849066-63-3C9H8N2O4
2-Chloro-2',4'-difluoroacetanilide 97%N-??????-2,4-????????96980-65-3C8H6ClF2NO
3-Methylbenzofuran-2-carbonyl chloride, 97%3-??????-2-?????????2256-86-2C10H7ClO2
3-Amino-4-hydroxypyridine, 98%6320-39-4C5H6N2O
1-Chloro-2-methylpropyl chloroformate, 98%1-???-2-????????????92600-11-8C5H8Cl2O2
4-Bromo-2-fluorobenzoyl chloride, 98%4-???-2-??????????151982-51-3C7H3BrClFO
2-(1H-1,2,4-triazol-1-yl)propanoic acid(SALTDATA: FREE)2-(1H-1,2,4-TRIAZOL-1-YL)????901586-50-3C5H7N3O2
Propylene glycol diacetate, 98%623-84-7C7H12O4
2-Amino-N'-phenylbenzohydrazide2-???-N'-?????????30086-49-8C13H13N3O
3-Aminopyrazine-2-carboxylic acid methyl ester, 98%16298-03-6C6H7N3O2
Tropinone oxime hydrochloride8-??-8-???????[3.2.1]??-3-??????212079-30-6C8H15ClN2O
3-Fluoro-4-methylanisole 99%3-FLUORO-4-????405-06-1C8H9FO
N-(4-aminophenyl)-3-methylbutanamide(SALTDATA: FREE)N-(4-?????)-3-???????189576-50-9C11H16N2O
2,6-dimethyl-3-bromopyridine3430-31-7C7H8BrN
1,1-Cyclopentanediacetic Anhydride3,3-???? ???? ???5662-95-3C9H12O3
Rocuronium bromide, 98%119302-91-9C32H53BrN2O4
5-Bromoisatoic anhydride, 97%4692-98-2C8H4BrNO3
Cytidine 5'-monophosphate disodium salt, 99%???-5'-?????, ???? ?6757-06-8C9H15N3NaO8P
3-(Trimethylsilyl)propargyl alcohol, 98%5272-36-6C6H12OSi
2-(4-Morpholino)benzonitrile, 98%2-??????????204078-32-0C11H12N2O
2-Chloro-3-(chloromethyl)thiophene2-???-3-????????109459-94-1C5H4Cl2S
2,2,3,3,3-PentafluoropropylaMine2,2,3,3,3-???????????422-03-7C3H4F5N
(1-Methyl-1H-indol-7-yl)methylamine , 97%7-(?????)-1-??-1H-??937795-97-6C10H12N2
2-(2-oxo-1,3-benzoxazol-3(2H)-yl)propanoic acid(SALTDATA: FREE)13610-53-2C10H9NO4
Perfluoro-1-butanesulfonyl fluoride, 99%1,1,2,2,3,3,4,4,4-???????-1-??? ?????375-72-4C4F10O2S
3-Thiophenecarbonitrile, 98%1641-09-4C5H3NS
2-(Trifluoromethoxy)phenol, 97%2-???????????32858-93-8C7H5F3O2
Diphenyl disulfide, 99%882-33-7C12H10S2
3-Oxo-2,3-dihydroisoxazole-5-carboxylic acid3-HYDROXYISOXAZOLE-5-?????13626-60-3C4H3NO4
1-bicyclo[2.2.1]hept-2-ylethanone(SALTDATA: FREE)1-????[2.2.1]??-2-???-1-?58654-66-3C9H14O
Fmoc-Ser(Bzl)-OH, 98%83792-48-7C25H23NO5
Methyl methanesulfonate, 99%???????????66-27-3C2H6O3S
5-Bromo-2-(pyrrolidin-1-ylcarbonyl)pyridine742085-70-7C10H11BrN2O
3-Methylenecyclobutane-1-carbonitrile3-??????????????15760-35-7C6H7N
5-aminopyrazine-2-carbonitrile, 95%113305-94-5C5H4N4
4,4'-Difluorobenzhydrol, 98%4,4'-??????????365-24-2C13H10F2O
5-Amino-3-phenylisoxazole, 97%5-???-3-??????4369-55-5C9H8N2O
2-(1H-indol-3-yl)-N-(pyridin-3-ylmethyl)ethanamine(SALTDATA: HBr)[2-(1H-??-3-YL)-??]-???-3-???-??418782-49-7C16H17N3
2-Fluoro-4-methylpyridine, 98%461-87-0C6H6FN
3,5-Difluorophenylacetic acid, 99%105184-38-1C8H6F2O2
2-Fluoro-6-(trifluoromethyl)benzamide144851-59-2C8H5F4NO
1-Methyl-2-oxo-5-indolinesulfonyl chloride, 95%1-??-2-??-5-???????????166883-20-1C9H8ClNO3S
2-fluoro-3-methylaniline1978-33-2C7H8FN
N-Methyl-2-(tetrahydropyran-4-yloxy)benzylamine , 95%n-??-2-(????????-4-???)????906352-71-4C13H19NO2
4-methyl-5-oxotetrahydro-3-furancarboxylic acid(SALTDATA: FREE)3-???????,??????-4-??-5-??-(9CI)89533-85-7C6H8O4
5-Methyl-thiphene-2-isocyanate5-????-2-????????76536-99-7C6H5NOS
(4S)-4-(naphthalen-2-ylmethyl)-L-glutamic acid(4S)-4-(????-2-???)-L-?????207497-61-8C16H17NO4
Phosphoglucomutase, >=5 units/mg solid??????????9001-81-4NULL
Erbium(III) fluoride 99.9%????? ???(????? ???)13760-83-3ErF3
[3-(1H-1,2,4-Triazol-1-yl)phenyl]methylamine, 97%[3-(1H-1,2,4-TRIAZOL-1-YL)??]????741717-66-8C9H10N4
pyrazolo[1,5-a]pyrimidine-2-carboxylic acid(SALTDATA: 0.5H2O)378211-85-9C7H5N3O2
Pentafluorodimethyl ether 90%????????????3822-68-2C2HF5O
3-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde(SALTDATA: FREE)3-(4-???-??)-1H-???-4-??????350997-67-0C10H7ClN2O
alpha-Chlorothioanisole7205-91-6C7H7ClS
2,3-Dihydroxy-6-chloroquinoxaline, 97%6639-79-8C8H5ClN2O2
Ethyl 2-(2,4-difluorophenyl)thiazole-4-carboxylate??2-(2,4-???????)???-4-???????175276-93-4C12H9F2NO2S
5-Azacytosine, 98%5-?????931-86-2C3H4N4O
2-Bromo-9-fluorenone, 98%3096-56-8C13H7BrO
[2-Bromo-4-(methylsulfonyl)phenyl]hydrazine[2-???-4-(?????)??]?????849035-73-0C7H9BrN2O2S
2-Methyl-1,3-dithiolane, 97%2-??-1,3-????5616-51-3C4H8S2
N-(Isopropyl-2-methyl)-1-propylamineN-????-N-???????39099-24-6C7H17N
4,6-dichloropyridin-3-amine, 95%7321-93-9C5H4Cl2N2
2,2-Diethoxypropane?????????126-84-1C7H16O2
2,4-Dichloro-5-fluorobenzoic acid, 99%2,4-????-5-?????? ?86522-89-6C7H3Cl2FO2
[3-(1-Methyl-1H-pyrazol-5-yl)phenyl]MethylaMine 97%3-(1-??-1h-???-5-?)????934570-45-3C11H13N3
4-Bromo-benzo[d]thiazol-2(3H)-one, 97%4-???-2(3H)-??????73443-85-3C7H4BrNOS
Hydroxypivalic Acid4835-90-9C5H10O3
2-FluorobenzenesulfonaMide2-????????????30058-40-3C6H6FNO2S
4-Aminoquinazoline????-4-???15018-66-3C8H7N3
Boc-(R)-3-amino-4-(4-fluorophenyl)-butyric acid218609-00-8C15H20FNO4
isoquinolin-6-ol, 95%7651-82-3C9H7NO
(3R)-4,4,4-Trifluorobutane-1,3-diol(R)-4,4,4-????????-1,3-??135859-36-8C4H7F3O2
Tetramethylammonium bromide, 99%??? ??? ?????64-20-0C4H12BrN
3,4-Diaminotoluene, 97%3,4-???????496-72-0C7H10N2
4-Methylbenzyl bromide, 98%p-??? ?????104-81-4C8H9Br
2-(5-Chloro-3-methylbenzo[b]thiophen-2-yl)acetic acid 96%2-(5-CHLORO-3-????[B]???-2-?)????51527-19-6C11H9ClO2S
Benzo-2,1,3-thiadiazole-5-carbonyl chloride2,1,3-???????-5-???321309-31-3C7H3ClN2OS
(S)-1,4-Dibromo-2-butanol, 96%(S)-1,4-DIBROMO-2-???64028-90-6C4H8Br2O
(2-Furanylmethylene)malononitrile, 98+%(2-??????)??????3237-22-7C8H4N2O
1-(2-Chloro-benzoyl)-piperidine-4-carboxylic acid1-(2-???-???)-????-4-?????352673-16-6C13H14ClNO3
4-Amino-2-methylpyridine, 97%18437-58-6C6H8N2
2-Methylamino-1-morpholin-4-yl-ethanone x HCl, 98%4-[(?????)???]????41458-73-5C7H14N2O2
4-[(4-Methylpiperazin-1-yl)methyl]benzylamine 97%[4-[(4-??????-1-YL)??]??]????515162-20-6C13H21N3
5-Bromo-2-(o-tolyloxy)pyrimidine5-???-2-(O-????)????73267-74-0C11H9BrN2O
6-Hydrazino-1,3,4-trimethyl-1H-pyrazolo[3,4-b]pyridine, 97%6-HYDRAZINO-1,3,4-TRIMETHYL-1H-PYRAZOLO[3,4-B]???175202-00-3C9H13N5
Methyl 4-bromopyridine-2-carboxylate 97%29681-42-3C7H6BrNO2
2-bromo-6-methylpyridin-4-amine, 95%79055-59-7C6H7BrN2
2-Amino-4,6-dimethoxy-1,3,5-triazine 98%16370-63-1C5H8N4O2
(2-methoxybenzyl)[4-(methylthio)benzyl]amine(SALTDATA: HBr)353779-34-7C16H19NOS
(4-fluorophenyl)(pyridin-3-yl)methanone(SALTDATA: FREE)52779-56-3C12H8FNO
Bis(4-chlorophenyl) sulfone, 97%4,4'-??????? ??80-07-9C12H8Cl2O2S
3-Cyanobenzyl ChlorideM-????????64407-07-4C8H6ClN
4-isocyanato-1,2-dimethoxybenzene(SALTDATA: FREE)34-?????????????9837527-66-5C9H9NO3
4-Fluoro-3-trifluoroMethylbenzenesulfonyl chloride1682-10-6C7H3ClF4O2S
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