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

?? ?:J & K SCIENTIFIC LTD.
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??:China
URL: https://www.jkchemical.com
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5-bromo-2-methoxypyrimidin-4-amine, 95%148214-56-6C5H6BrN3O
Zinc titanate, 96%??? ?? ??????12036-43-0O3TiZn
3-Benzooxazol-2-yl-phenylamine3-?????-2-YL-????41373-36-8C13H10N2O
2,6-Dimethyl-4-hydroxyquinoline2,6-???-4-????15644-82-3C11H11NO
Dicyclohexano-24-crown-8, 97%17455-23-1C24H44O8
3,4'-Dimethylbenzhydrol3,4'-??????????13389-73-6C15H16O
phenyl(piperidin-3-yl)methanone(SALTDATA: FREE)??(????-3-?)???4842-87-9C12H15NO
2,5-Dichloro-p-phenylenediamine, 98%2,5-??????-1,4-???20103-09-7C6H6Cl2N2
1-Boc-piperidine, 98%1-Boc-????75844-69-8C10H19NO2
2-(4-nitrophenoxy)propanoic acid(SALTDATA: FREE)2-(4-??????)????13794-10-0C9H9NO5
2,2-dimethyl-3-(1-pyrrolidinyl)propanal(SALTDATA: FREE)2,2-???-3-????-1-?????296264-94-3C9H17NO
1-(difluoromethyl)-1H-pyrazole-3-carboxylic acid(SALTDATA: FREE)1-???????-1H-???-3-?????925179-02-8C5H4F2N2O2
3-bromo-5-propyl-1,2,4-oxadiazole(SALTDATA: FREE)3-???-5-???-1,2,4-?????(SALTDATA:??)1256643-63-6C5H7BrN2O
4,5-Dimethyloctane4,5-????15869-96-2C10H22
1-Ethylpiperidin-3-one hydrochloride 97%1-??-3-???????41361-28-8C7H14ClNO
tert-Butyl 4-(aminomethyl)phenyl(methyl)carbamatetert-??4-(?????)??(??)??????191871-91-7C14H22N2O2
4-Azido-2,3,5,6-tetrafluoro-benzoic acid, 99%4-???-2,3,5,6-??????????122590-77-6C7HF4N3O2
4-(1,3-benzodioxol-5-yl)-3-methyl-1H-pyrazole(SALTDATA: FREE)667400-03-5C11H10N2O2
2-chloro-N-(5-propyl-1,3,4-thiadiazol-2-yl)acetamide(SALTDATA: FREE)15777-38-5C7H10ClN3OS
β-D-Allose7283-09-2C6H12O6
1H,1H,7H-Perfluorohept-1-ene 98%94228-81-6C7H3F11
1-(Benzenesulphonyl)-3-bromo-1H-indole3-???-1-(?????)-1H-??99655-68-2C14H10BrNO2S
2-(2-furyl)azepane(SALTDATA: HCl)2-??-2-?-???383129-07-5C10H15NO
4-(TrifluoroMethoxy)benzoic acid hydrazide4-(?????????)??????175277-18-6C8H7F3N2O2
(5E)-5-(3-Ethoxy-2-hydroxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one99988-45-1C12H11NO3S2
N-(3-Hydroxypropyl)phthalimide, 99%883-44-3C11H11NO3
3-Methyl-5-(5-methylisoxazol-3-yl)isoxazole-4-carbonyl chloride306936-71-0C9H7ClN2O3
4-(4-methoxyphenoxy)piperidine(SALTDATA: FREE)4-(4-??????)????162402-33-7C12H17NO2
Triethylene glycol monoethyl ether, 95%2-(2-(2-??????)???)???112-50-5C8H18O4
Tetrahydrofurfuryl acrylate, 98%, stabilized with MEHQ??????????? ??????2399-48-6C8H12O3
Uridine 5'-Diphosphoglucose DisodiuM Salt28053-08-9C15H25N2NaO17P2
5-{[(2-hydroxyethyl)(methyl)amino]sulfonyl}-2-methoxybenzoic acid(SALTDATA: FREE)327093-76-5C11H15NO6S
2-(4-Bromo-1H-pyrazol-1-yl)acetic acid82231-53-6C5H5BrN2O2
4-Chloro-N-(2-hydroxyethyl)benzenesulfonamide4-???-N-(2-??????)???????6419-69-8C8H10ClNO3S
(4S,5R)-4-Methyl-5-phenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97%(4S,5R)-4-??-5-??-1,2,3-???????-2,2-?????-3-?????t-??????1091606-65-3C14H19NO5S
(-)-Diacetyl-D-tartaric anhydride, 98%(-)-????-D-????????70728-23-3C8H8O7
trans-1,3-Dichloropropene, 96%???????10061-02-6C3H4Cl2
3-(3-Methoxyphenoxy)propionic Acid3-(3-METHOXYPHENOXY)?????49855-03-0C10H12O4
3-(hydroxymethyl)-2,4,6-trimethylbenzaldehyde(SALTDATA: FREE)137380-49-5C11H14O2
di-n-ButyldibrmotinDI-N-???????996-08-7C8H18Br2Sn
(2R,3R)-Bis(diphenylphosphino)butane74839-84-2C28H28P2
Arsenazo I Hydrate3547-38-4C16H11AsN2Na2O11S2
3-iso-Propyl-1-methyl-1H-pyrazol-5-amine3-ISO-???-1-??-1H-???-5-??3702-12-3C7H13N3
6-Chloro-5-fluorobenzimidazole-2-thiol 97%142313-30-2C7H4ClFN2S
2-[(dimethylamino)methyl]benzoic acid(SALTDATA: HCl)2-????????-???55741-01-0C10H13NO2
7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbonyl chloride, 90%886851-53-2C7H4BrClO3S
3,5-Dimethoxyphenyl isocyanate54132-76-2C9H9NO3
3-Methylhexyl Acetate3-?????????50373-54-1C9H18O2
Bis[(2S,3aR,4S,7aR)-octahydro-7,8,8-triMethyl-4,7-Methanobenzofuran-2-yl] Ether [for Optical Resolution]108031-79-4C24H38O3
Tungsten(IV) oxide (99.9%-W)??????12036-22-5O2W
Isoamylisocyanide???????????638-27-7C6H11N
2-Acetylcyclopentanone2-??? ???? ???1670-46-8C7H10O2
1-[2-(1H-1,2,4-triazol-1-yl)-3-pyridinyl]methanamine(SALTDATA: FREE)950769-01-4C8H9N5
3-Methyl-2-oxazolidone3-??-2-?????19836-78-3C4H7NO2
Bis[bis(trimethylsilyl)amino]tin iiBIS[BIS(??????)???]??II59863-13-7C12H36N2Si4Sn
Perfluoro-compound FC-7752623-00-4(C8F18)n.(C8F16O)m
Cesium azide, pure, 80-90%22750-57-8CsN3
3,6-Dimethoxylpyridazine-4-boronic acid3,6-????????-4-???1015480-87-1C6H9BN2O4
FMoc-2-(trifluoroMethyl)-D-phenylalanine352523-15-0C25H20F3NO4
Methyl 4'-cyano[1,1'-biphenyl]-4-carboxylate89900-95-8C15H11NO2
(5-methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid(SALTDATA: FREE)938459-17-7C11H11NO3
Caronic Anhydride??????67911-21-1C7H8O3
2-Ethyl-3-methyl-quinoline-4-carboxylic acid2-??-3-??-???-4-?????74960-58-0C13H13NO2
3-hydrazino-6-phenylpyridazine(SALTDATA: FREE)38956-80-8C10H10N4
2-(4-Methoxyphenoxy)benzenecarbaldehyde2-(4-??????)?????????19434-36-7C14H12O3
1-Bromo-2-(difluoromethyl)-4-fluorobenzene1-???-2-(???????)-4-??????1198171-18-4C7H4BrF3
NNC 55-0396357400-13-6C30H39ClFN3O2
2-Bromo-N-ethyl-4-(trifluoromethoxy)benzenesulphonamide957062-74-7C9H9BrF3NO3S
5-bromo-2-pyridin-3-yl-1,3-benzoxazole(SALTDATA: FREE)5-???-2-???-3-YL-1,3-????938458-81-2C12H7BrN2O
2,4,5-Trifluoro-N'-hydroxybenzenecarboximidamide, 97%690632-34-9C7H5F3N2O
4-Chloro-2-(hydrazinecarbonyl)pyridine 98%73771-11-6C6H6ClN3O
Dodecylbenzenesulfonic Acid (soft type)(Mixture)C10-16 ?? ?????68584-22-5C18H30O3S
N-(4-methoxybenzyl)glycine(SALTDATA: 0.13KCl)(4-???-?????)-????20839-78-5C10H13NO3
3-(2-oxo-2H-chromen-3-yl)benzoic acid(SALTDATA: FREE)3-(2-OXO-2H-CHROMEN-3-YL)-???443292-41-9C16H10O4
3-(2,3-Dimethylphenoxymethyl)-4-methoxybenzaldehyde3-(2,3-???-?????)-4-???-?????438530-90-6C17H18O3
Bromoacetyl chloride, 97%???????????22118-09-8C2H2BrClO
4-Bromomethylphenylboronic acid pinacol ester, 99%4-(?????)????????????138500-85-3C13H18BBrO2
2,5-Bis(1,1-dimethylbutyl)-4-methoxyphenol2,5-BIS(1,1-?????)-4-?????76434-12-3C19H32O2
DL-?-(3-Aminophenyl)alaninol3-(3-?????)-DL-??-????886364-14-3C9H14N2O
2-Iodobiphenyl, 98%2113-51-1C12H9I
6-(Methylthio)-9-β-D-ribofuranosyl-9H-purine, 98%342-69-8C11H14N4O4S
Fmoc-L-α-tert-butylglycine, 99%132684-60-7C21H23NO4
N-(2-aminoethyl)methanesulfonamide(SALTDATA: HCl)N-(2-?????)???????83019-89-0C3H10N2O2S
2,5-Dihydroxy-1,4-benzenediacetic acid, 99+%2,5-DIHYDROXY-1,4-???????5488-16-4C10H10O6
6-bromo-3-methyl-3,4-dihydro-2(1H)-quinazolinone(SALTDATA: FREE)328956-24-7C9H9BrN2O
6-chloro-2-methylimidazo[1,2-a]pyridine-3-carboxylic acid(SALTDATA: FREE)6-???-2-??????[1,2-A]???-3-?????138642-96-3C9H7ClN2O2
2-(1-piperidinyl)-8-quinolinol(SALTDATA: FREE)31570-94-2C14H16N2O
2-Nitro-5-piperidinoaniline2-???-5-????????54997-99-8C11H15N3O2
Boc-beta-t-butyl-D-alanine112695-98-4C12H23NO4
2-Amino-3,5-difluoro-4-(trifluoromethyl)pyridine883498-68-8C6H3F5N2
1-(4-methoxy-3,5-dimethyl-2-pyridinyl)-N-methylmethanamine(SALTDATA: 2HCl)945983-90-4C10H16N2O
(2-chloro-4-nitrophenoxy)acetic acid(SALTDATA: FREE)(2-CHLORO-4-NITROPHENOXY)????5037-04-7C8H6ClNO5
1-Cyano-2-(5,5-dichloro-2-methylpenta-2,4-dienyl)-3-phenylisothiourea353254-67-8C14H13Cl2N3S
3,6-Dihydro-4,6,6-trimethyl-2H-pyran-2-one22954-83-2C8H12O2
3,4-diethylisoxazol-5-amine(SALTDATA: HCl)71378-51-3C7H12N2O
3-allyl-5-methoxy-4-propoxybenzaldehyde(SALTDATA: FREE)876709-19-2C14H18O3
Ethyl 3-[(fur-2-ylmethyl)amino]propanoate 97%??3-[(2-????)???]???????175203-83-5C10H15NO3
1,1'-(Azodicarbonyl)dipiperidine, 99%10465-81-3C12H20N4O2
Chloro(1,3-diMesityliMidazol-2-ylidene)copper(I)???(1,3-????????-2-???)??(I)873779-78-3C21H24ClCuN2*-
N-(tert-Butyl)benzenesulphonamide2512-24-5C10H15NO2S
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