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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
? ?? ?:96815
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2-Nitrophenylboronic acid, 97%2-???????5570-19-4C6H6BNO4
2,5-Dimethylphenylmagnesium bromide, 1.0 M solution in THF, J&KSeal30897-86-0C8H9BrMg
D-Pyroglutamic acid, 98%4042-36-8C5H7NO3
Triethylamine hydrochloride, 99%?????? ?????????554-68-7C6H16ClN
N-Methylbenzylamine, 97%??????103-67-3C8H11N
Fmoc-Orn(Boc)-OH, 98%109425-55-0C25H30N2O6
Chlorocyclobutane, 97%1120-57-6C4H7Cl
2-(2-Hydroxy-5-methylphenyl)benzotriazole, 98%2-(2-????-5-????)??????2440-22-4C13H11N3O
(Piperidino-3-pyridinyl)methanol, 97%(PIPERIDINO-3-PYRIDINYL)???690631-99-3C11H16N2O
1-Methyl-1-phenyl-2-thiourea4104-75-0C8H10N2S
12-Tricosanone12-?????540-09-0C23H46O
4-HydroxybenzylaMine hydrobroMide4-??????????????????90430-14-1C7H10BrNO
2,3,4,9-tetrahydro-1H-carbazole-8-carboxylic acid(SALTDATA: FREE)2,3,4,9-???????-1H-???-8-????(SALTDATA:FREE)65764-56-9C13H13NO2
2',3'-Difluoro-4'-methylacetophenone 99%???,1-(2,3-?????-4-????)-(9CI)261763-30-8C9H8F2O
Diethyl DL-Malate7554-12-3C8H14O5
N-[(1-isopropyl-1H-pyrazol-4-yl)methyl]ethanamine(SALTDATA: FREE)1007520-65-1C9H17N3
[4-(Morpholinomethyl)phenyl]methanol, 97%[4-(???????)??]???91271-65-7C12H17NO2
(3-chlorobenzyl)cyclopropylamine(SALTDATA: HCl)N-(3-?????)-N-?????????51586-21-1C10H12ClN
3-AMino-5-Methyl-4H-1,2,4-triazole3-???-5-??-4H-1,2,4-????4923-01-7C3H6N4
(4-Fluorobiphenyl-4')-acetic acid6908-38-9C14H11FO2
Ethyl (3,4-difluorophenyl)(oxo)acetate??3,4-???????????73790-05-3C10H8F2O3
DL-?-(3-Phenoxyphenyl)alaninol3-(3-?????)-DL-??-????886366-70-7C15H17NO2
(4-chloro-2-formyl-6-methoxyphenoxy)acetic acid(SALTDATA: FREE)662154-29-2C10H9ClO5
(S)-(+)-5-Oxotetrahydrofuran-2-carboxylic Acid21461-84-7C5H6O4
N,N,N'-trimethyl-N'-piperidin-4-ylethane-1,2-diamine(SALTDATA: 3HCl)N,N,N'-????-N'-????-4-YL-ETHANE-1,2-???889940-14-1C10H23N3
1-(2,5-Dimethyl-benzyl)piperazine1-(2,5-????-??)-????104481-67-6C13H20N2
(4-Chloro-2-methylphenyl) methylcyanocarbonimidodithioate(4-???-2-????)????????????????152382-25-7C10H9ClN2S2
EthylenediaMinetetraacetic Acid DisodiuM Nickel(II) Salt Hydrate?????????????????????11079-07-5C10H12N2Na2NiO8
2,5-Diphenylthiophene1445-78-9C16H12S
N,N-Diethyl-N'-MethylethylenediaMine???????????104-79-0C7H18N2
Trifluoroethenesufonyl fluoride?????????????????684-10-6C2F4O2S
2-Chloro-pyrimidine-4-carboxylic acid methyl ester, 98%149849-94-5C6H5ClN2O2
2-(tert-Butyl)thiophenol19728-41-7C10H14S
N-(4-sec-butylphenyl)-3-chloropropanamide(SALTDATA: FREE)20331-29-7C13H18ClNO
N-methyl-1-[1-(2-methylphenyl)-1H-tetrazol-5-yl]-1-phenylmethanamine(SALTDATA: FREE)400747-21-9C16H17N5
Diundecyl Phthalate (Mixture of branched chain isoMers)DIUNDECYL?????96507-86-7C30H50O4
6-Methoxyquinolin-8-ol6-???-8-????477601-28-8C10H9NO2
1-(4-chlorophenyl)propan-1-amine(SALTDATA: FREE)1-(4-?????)???-1-??74788-46-8C9H12ClN
4-Chloro-3-formylpyrazole623570-54-7C4H3ClN2O
2-(2-isobutyl-1H-benzimidazol-1-yl)propanoic acid(SALTDATA: HCl)892241-05-3C14H18N2O2
1,4,5,6-Tetrahydro-5,6-dioxo-2,3-pyrazinedicarbonitrile36023-64-0C6H2N4O2
3-Methoxy-4-propoxybenzoic acid3-???-4-????-???3535-32-8C11H14O4
Nickel(II) oxalate dihydrate (99.998%-Ni) PURATREM??(2+) ????? ???????6018-94-6C2H4NiO6
DiMethylaMMoniuM dichlorotri(μ-chloro)bis{(R)-(+)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole}diruthenate(II) [NH2Me2][{RuCl((R)-dM-segphos?)}2(μ-Cl)3]935449-46-0C94H100Cl5NO8P4Ru2
2-(3-bromophenyl)-1,3-benzoxazol-5-amine(SALTDATA: FREE)2-(3-???-??)-?????-5-???293737-81-2C13H9BrN2O
2,3,5-Trifluorocinnamic acid237761-79-4C9H5F3O2
1-Bromo-3-methyl-2-butene, 90%, stabilized with 3% K2CO34-???-2-??-2-??870-63-3C5H9Br
5-Methylbenzo[b]thiophene-2-sulphonyl chloride5-??-1-?????-2-????????90273-30-6C9H7ClO2S2
1,3-Bis(4-aminophenoxy)propane4,4-[1,3-???????(??)]? ?????52980-20-8C15H18N2O2
3,5-Dichloronitrobenzene3,5-??????????618-62-2C6H3Cl2NO2
3-Hydroxyphenylsulphur pentafluoride3-(?????????)??672-31-1C6H5F5OS
5-Nitro-2-(4-piperidinyloxy)pyridine hydrochloride5-???-2-(4-???????)??????1185309-69-6C10H14ClN3O3
2-[2-(1H-imidazol-1-yl)ethyl]piperidine(SALTDATA: 2HCl)278789-09-6C10H17N3
4-(Chloromethyl)phenyltrichlorosilane13688-90-9C7H6Cl4Si
Praseodymium standard solution, 1 mg/ml Pr in 2% HNO3, for AAS14483-17-1H10N3O14Pr
2-Naphthyl alpha-L-fucopyranoside63503-05-9C16H18O5
2-Chloro-6-Methyl-4-(trifluoroMethyl)pyridine22123-14-4C7H5ClF3N
5-Chloro-2-(trifluoromethyl)phenylacetic acid5-???-2-(TRIFLUOROMETHYL)PHENYLACETICACID261763-25-1C9H6ClF3O2
2-(Methylsulphinyl)benzoic acid2-(?????)???????19093-34-6C8H8O3S
4-[methyl(phenyl)amino]butan-1-ol(SALTDATA: FREE)169556-13-2C11H17NO
3-[Bis-(2-hydroxy-ethyl)-amino]-benzoic acid3-[BIS-(2-HYDROXY-ETHYL)-AMINO]-???347343-88-8C11H15NO4
(S)-2-Isopropylsuccinic acid-1-methyl ester, 98% ee, 95%(S)-2-????????-1-??????208113-95-5C8H14O4
2-Amino-4-(4-isopropylphenyl)-5-methylthiophene-3-carboxylic acid methyl ester2-???-4-(4-???????)-5-?????-3-???????????350990-99-4C16H19NO2S
1-(4-Iodophenyl)-1H-pyrrole , 97%1-(4-??????)??92636-36-7C10H8IN
4-tert-Butyl-3-thioseMicarbazide13431-39-5C5H13N3S
2-methyl-N-(3-thienylmethyl)-2-propanamine(SALTDATA: HCl)341008-35-3C9H15NS
3,5-Difluorobenzaldehyde, 98%32085-88-4C7H4F2O
4-Chloro-2-Methylpyridine3678-63-5C6H6ClN
4'-Methyl-2-cyanobiphenyl114772-53-1C14H11N
1-(methoxyacetyl)-3-piperidinecarboxylic acid(SALTDATA: FREE)1-(??????)????-3-?????926238-94-0C9H15NO4
N-(2-methoxy-4-nitrophenyl)-3-oxobutanamide(SALTDATA: FREE)N-(2-???-4-?????)-3-???????91088-39-0C11H12N2O5
1-(2-Bromo-ethoxy)-2-methoxy-benzene2-(2-??????)???4463-59-6C9H11BrO2
2-Chloro-3,6-difluorophenol261762-50-9C6H3ClF2O
cyclopropyl(1H-indol-3-yl)methanone(SALTDATA: FREE)675834-79-4C12H11NO
2-Cyano-5-fluoropyridine327056-62-2C6H3FN2
N-(2-Methoxy-benzyl)-N',N'-dimethyl-benzene-1,4-diamineN-(2-???-??)-N',N'-???-??-1,4-???436088-37-8C16H20N2O
Uranine K???K6417-85-2C20H13KO5
3-chloro-N-(4-methoxy-2-methylphenyl)propanamide(SALTDATA: FREE)915921-70-9C11H14ClNO2
SodiuM 2-AMino-4-chloro-5-Methylbenzenesulfonate6627-59-4C7H7ClNNaO3S
Cobalticinium hexafluorophosphate, 98%12427-42-8C10H10CoF6P10*
Bis(i-propylcyclopentadienyl)nickel, min. 98%??(I-???????????)??57197-55-4C16H22Ni10*
L-tert-Leucine methyl ester hydrochloride, 98%63038-27-7C7H16ClNO2
Methyl 4-benzyloxybenzoate, 98%32122-11-5C15H14O3
2-anilinocyclohexanone(SALTDATA: FREE)??????,2-????-4504-43-2C12H15NO
2-(Pyrid-2-yloxy)benzaldehyde , 97%2-(???-2-???)??????141580-71-4C12H9NO2
3-methyl[1,2,4]triazolo[4,3-a]pyridin-8-amine(SALTDATA: FREE)8-???-3-??-1,2,4-?????[4,3-a]???31040-12-7C7H8N4
4-Allylanisole4-?????140-67-0C10H12O
C-[4-(2-Fluoro-phenyl)-tetrahydro-pyran-4-yl]-methylamineC-[4-(2-FLUORO-PHENYL)-TETRAHYDRO-PYRAN-4-YL]-????889939-78-0C12H16FNO
Forchlorfenuron, 98%??????68157-60-8C12H10ClN3O
Dicyclohexylchlorophosphine, min. 98%?? ?? ?? ??? ?? ?16523-54-9C12H22ClP
4-Chlorobenzofurazan, 98%4-????????7116-16-7C6H3ClN2O
4-Bromo-2,5-difluoroaniline, 98%112279-60-4C6H4BrF2N
β-Alanine tert-butyl ester hydrochloride, 95%58620-93-2C7H16ClNO2
Isoeugenol, 97%, mixture of cis and trans??????97-54-1C10H12O2
4-Benzyloxyphenylboronic acid, 98%146631-00-7C13H13BO3
Hydroethidine, 98%104821-25-2C21H21N3
1,3-Bis(di-i-propylphosphino)propane, min. 98% (dippp)1,3-BIS(DI-I-???????)???91159-11-4C15H34P2
3-Cyanobenzaldehyde, 98%3-?????????24964-64-5C8H5NO
4(3H)-Pyrimidone, 98%4(3H)-????51953-17-4C4H4N2O
2-Bromo-5-nitrothiazole, 98%2-???-5-??????3034-48-8C3HBrN2O2S
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