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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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Diethyl (4-aminobutyl)phosphonate oxalate, 97%????(4-?????)????????296775-92-3C10H22NO7P
Glycidyl Methyl Ether?????????930-37-0C4H8O2
t-Butyldimethylsilane, 95%29681-57-0C6H16Si
N-Ethoxycarbonyl-5-nitro-o-toluidine16648-52-5C10H12N2O4
Methyl 5-(ethylsulphonyl)-2-Methoxybenzoate2-???-5-(?????)???4840-63-5C10H12O5S
Ethyl 4-Chloro-1-piperidinecarboxylate??4-???-1-??????????152820-13-8C8H14ClNO2
Potassium 4-iodobenzenesulfonate13035-63-7C6H5IO3S
Potassium tartrate, 99%?? ?????921-53-9C4H4K2O6
PriMaquine phosphate???? ???????63-45-6C15H27N3O9P2
6-TrifluoroMethyl-3-pyridinesulfonyl Chloride959996-58-8C6H3ClF3NO2S
Methoxybenzoquinone2880-58-2C7H6O3
(1R,2S,3R,4R)-2,3-Dihydroxy-4-(hydroxymethyl)-1-aminocyclopentane hydrochloride, 98% ee, 95%79200-57-0C6H14ClNO3
1,2,3,4-Tetrahydro-2-(trifluoroacetyl)isoquinoline-7-sulfonyl Chloride1,2,3,4-TETRAHYDRO-2-(TRIFLUOROACETYL)ISOQUINOLINE-7-????????74291-57-9C11H9ClF3NO3S
5-Nonanol, 95%5-???623-93-8C9H20O
1,4-Dimethoxytetrafluorobenzene1,4-?????????????362-56-1C8H6F4O2
(S)-(+)-TetrahydrofurfurylaMine(S)-(+)-????????????7175-81-7C5H11NO
1,4-Bis(triMethylsilyl)butadiyne4526-07-2C10H18Si2
Tri-tert-butyl 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetate, 96%??-??-??14710-??????????137076-54-1C28H52N4O8
6-Chloro-benzo[d]thiazol-2(3H)-one, 97%6-???-3H-?????-2-?62266-81-3C7H4ClNOS
(5S)-5-Carboxy-5-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-N,N,N-trimethyl-1-pentanaminium chloride (1:1), 97%201004-29-7C24H31ClN2O4
Acacia gum, for analysis?????9000-01-5N/A
N-Boc-L-serine β-lactone, 98%N-(tert-???????)-L-????-??98541-64-1C8H13NO4
2-(2-Propynyloxy)tetrahydropyran6089-04-9C8H12O2
4-Methoxy-3-Methylbenzenesulfonyl chloride4-???-3-??-??????????84910-98-5C8H9ClO3S
1-(2-Naphthyl)ethanol7228-47-9C12H12O
2-Chloroethyl Laurate????2-?????????64919-15-9C14H27ClO2
(2-fluorobenzyl)propylamine(SALTDATA: HCl)N-(2-??????)???-1-??62924-67-8C10H14FN
2-(N-Boc-amino)-5-bromopyridine159451-66-8C10H13BrN2O2
N-(3-methoxybenzyl)-2-methyl-1-propanamine(SALTDATA: HCl)893576-11-9C12H19NO
1-(4-ethoxybenzyl)piperazine(SALTDATA: 2HCl)1-(4-?????)????21867-70-9C13H20N2O
Chloro[[1,3-bis(2,6-diisopropylphenyl)iMidazol-2-ylidene](acetanilide)palladiuM(II)] (This product is unavailable in the U.S.)???[[1,3-??(2,6-????????)????-2-???](??????)???(II)]1228009-69-5C35H44ClN3OPd-2
4-Chloro-5-(4-iodophenyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine1204298-64-5C12H8ClIN4
Bromohydroquinone, 95%583-69-7C6H5BrO2
3-N-Boc-AMino-1-[2-aMino-1-(2-aMino-phenyl)-ethyl]-pyrrolidine886365-01-1C17H28N4O2
Penitrem A, 95%????A12627-35-9C37H44ClNO6
Tetradecafluoro-alpha-sexithiophene (purified by subliMation)?????-??-?????347838-21-5C24F14S6
5-(aminomethyl)-1,3-dihydro-2H-benzimidazol-2-one(SALTDATA: HCl 0.15H2O)797809-19-9C8H9N3O
(S)-(+)-4-(2,3-Epoxypropoxy)carbazole(S)-(+)-4-(2,3-???????)????95093-95-1C15H13NO2
7-Methyl Xanthine????552-62-5C6H6N4O2
2,2',4,4'-Tetrahydroxydiphenyl Sulfide????????97-29-0C12H10O4S
3-Amino-4-fluorobenzoic acid hydrochloride 97%3799-24-4C7H7ClFNO2
alpha,alpha-DiMethyl-gaMMa-butyrolactone??,??-???-??-?????3709-08-8C6H10O2
4-Chloropyridine-2,6-dicarbohydrazide ,97%4-??????-2,6-??????????98276-29-0C7H8ClN5O2
1,5,9-Triazacyclododecane294-80-4C9H21N3
5-Hydroxyquinoline, 98%5-????578-67-6C9H7NO
4-(tert-ButoxycarbonylaMino)-1-butanol75178-87-9C9H19NO3
1,2-Dimethyl-3-propylimidazolium tris(trifluoromethylsulfonyl)methide, 99% [DMPIMe]12-????-3-???????????(TRI169051-77-8C12H15F9N2O6S3
5,6,7,8-Tetrahydro-3-(trifluoromethyl)[1,2,4]triazolo[4,3-a]pyrazine486460-21-3C6H7F3N4
Pentosidine124505-87-9C17H26N6O4
1-(1-propylpiperidin-3-yl)methanamine(SALTDATA: FREE)915924-85-5C9H20N2
2-(1,3-thiazol-4-yl)ethanamine(SALTDATA: 2HCl)39550-25-9C7H17NO2
2,3,6-Trichloroquinoxaline, 98%2,3,6-?????????2958-87-4C8H3Cl3N2
Ethyl 3-(MethylaMino)butanoate??3-(?????)??????(?????:??)68384-70-3C7H15NO2
2-Aminoisonicotinic acid ethyl ester, 98%13362-30-6C8H10N2O2
cis-1,5-DiMethylbicyclo[3.3.0]octane-3,7-dioneCIS-1,5-???????[3.3.0]??-3,7-??21170-10-5C10H14O2
6-Pyrazol-1-yl-nicotinic acid methyl ester, 97%??6-(1H-???-1-?)???-3-???????321533-62-4C10H9N3O2
Dimethyl perfluoro-3,6,9-trioxaundecane-1,11-dioate, 98%????????-3,6,9-???????-1,11-?????35910-59-9C10H6F12O7
Deoxy EpinephrineN-????????62-32-8C9H14ClNO2
4-Nitropyridine N-oxide, 97%1124-33-0C5H4N2O3
2,5-Diethoxyaniline2,5-???????94-85-9C10H15NO2
5-Bromo-N-methylpyridine-2-carboxamideN-??5-?????????845305-87-5C7H7BrN2O
Lactide, 99%DL-???95-96-5C6H8O4
Methylenecyclopentane1528-30-9C6H10
6-Chloro-2-methyl[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one65866-54-8C6H5ClN4O
Phenylthiohydantoin-isoleucine (contains PTH-alloisoleucine)5066-94-4C13H16N2OS
2-Bromo-5-ethoxy-4-methoxybenzonitrile2-BROMO-5-ETHOXY-4-METHOXY-?????515847-20-8C10H10BrNO2
1,3-PropanediaMine-N,N,N',N'-tetraacetic Acid??????????????1939-36-2C11H18N2O8
1,3-Di-O-benzyl-2-O-lauroylglycerol1,3-DI-O-??-2-O-????????519177-07-2C29H42O4
2-(4-Chlorophenyl)-3-(trifluoroMethyl)pyrazole-4-carbonyl chloride2-(4-?????)-3-(????????)???-4-?????????175137-19-6C11H5Cl2F3N2O
PotassiuM pentafluroroethyltrifluoroborate????????????????????476639-90-4C2BF8K
Pentanal-DNPH2057-84-3C11H14N4O4
2-Iodobenzyl alcohol, 98.5%5159-41-1C7H7IO
Teprenone [Mixture of (5E,9E,13E)- and (5Z,9E,13E)- isoMers]????6809-52-5C23H38O
2-Amino-4,6-dichloropyrimidine-5-carboxaldehyde, 98%5604-46-6C5H3Cl2N3O
Methyl 3,5-Di-tert-butylbenzoate3,5-DI-TERT-BUTYLBENZOIC???????64277-87-8C16H24O2
2-[(7-Methyl-2,3-dihydro-1H-inden-4-yl)oxy]pyridin-3-amine, 97%175136-11-5C15H16N2O
3-Amino-5-methyl-thiophene-2-carbonitrile3-???-5-??-???-2-?????83060-73-5C6H6N2S
Ethyl 5-bromothiophene-2-carboxylate, 98.5%5751-83-7C7H7BrO2S
Diazo Reagent OA [for Diazotization of Oxalacetate, for Detection of GOT Activity]??????B??13983-15-8C30H28Cl4N6O4Zn
(1S,2R)-Boc-2-amino-1-cyclopentanecarboxylic acid(1S,2R)-2-(tert-??????????)??????????137170-89-9C11H19NO4
Barium hexafluoroacetylacetonate118131-57-0C5HBaF6O2+
SodiuM Isoascorbate Monohydrate????????6381-77-7C6H9NaO6
3-BroMo-2,4-diMethyl-5-phenylthiophene3-???-2,4-???-5-?????362513-28-8C12H11BrS
3-Methyl-1-butylboronic acid, 96%3-??-1-?????98139-72-1C5H13BO2
Yttrium(III) 2-ethylhexanoate (15-17% Y), superconductor grade (99.9%-Y) (REO)103470-68-4C24H45O6Y
N-(Chloroacetyl)-2,5-diMethylaniline2-???-N-(2,5-?????)??????5177-35-5C10H12ClNO
3,4-Dimethoxy-3'-methylbenzhydrol844683-27-8C16H18O3
3-(3,5-dimethylisoxazol-4-yl)propan-1-amine(SALTDATA: HCl 0.4H2O)4-?????????,3,5-???-(9CI)771572-98-6C8H14N2O
(2,4-dimethoxybenzyl)(2-methylcyclohexyl)amine(SALTDATA: HBr)355382-76-2C16H25NO2
2-(1H-indol-3-yl)-N-(3-nitrobenzyl)ethanamine(SALTDATA: HBr)355816-40-9C17H17N3O2
(5-Pyrid-4-ylthien-2-yl)methanol, 97%(5-???-4-???-2-?)???138194-04-4C10H9NOS
S-[2-(DiMethylaMino)ethyl]isothiourea Dihydrochloride16111-27-6C5H15Cl2N3S
4-[(2-methoxy-2-oxoethyl)amino]benzoic acid(SALTDATA: FREE)70857-08-8C10H11NO4
1-Phenyl-imidazolidin-2-one, 96%1-??-??????-2-?1848-69-7C9H10N2O
DL-?-(4-Bromophenyl)alaninol hydrochloride3-(4-?????)-DL-??-????787615-14-9C9H12BrNO
N-[2-(acetylamino)phenyl]-2-chloroacetamide(SALTDATA: FREE)36819-74-6C10H11ClN2O2
2-[5-(4-Amino-phenyl)-tetrazol-2-yl]-N-(5-methyl-isoxazol-3-yl)-acetamide436092-90-9C13H13N7O2
Dabsyl-glycine?????89131-05-5C16H18N4O4S
2-Chloro-1-(4-isopropyl-piperazin-1-yl)-ethanone x HCl????,1-(??????)-4-(1-????)-(9CI)185547-14-2C9H17ClN2O
2-(4-Nitrophenyl)malondialdehyde2-(4-?????)????????18915-53-2C9H7NO4
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