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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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Ethyl 4-methoxy-7-azaindole-2-carboxylate, 97%???4-???-1H-???[2,3-B]???-2-??????290332-97-7C11H12N2O3
Pentylmagnesium bromide, 2.0 M solution in diethyl ether, J&KSeal693-25-4C5H11BrMg
3-Methyl-1H-indazol-6-ylamine, 97%3-??-1H-???-6-???79173-62-9C8H9N3
4,5,6,7-Tetraiodoisobenzofuran-1,3-dione????????????632-80-4C8I4O3
Trichlorogermane????????1184-65-2Cl3GeH
N-methyl-1-(5-methyl-2-furyl)methanamine(SALTDATA: FREE)N-??-N-[(5-??-2-??)??]??14668-91-8C7H11NO
(+/-)-exo-6-Hydroxytropinone5932-53-6C8H13NO2
2-amino-1-(1H-indol-3-yl)ethanone(SALTDATA: 0.95HCl 0.09NH4Cl 0.2H2O)2-???-1-(1H-??-3-?)-???87084-40-0C10H10N2O
4-bromo-5-(1-pyrrolidinyl)-3(2H)-pyridazinone(SALTDATA: FREE)692749-93-2C8H10BrN3O
Naphth-1-ylglyoxal hydrate 95%1-?????????????16208-20-1C12H10O3
8-Benzyl-1-thia-4,8-diaza-spiro[4.5]decane-3-carboxylic acid55944-38-2C15H20N2O2S
(3-endo)-3-methoxy-8-azabicyclo[3.2.1]octane(SALTDATA: HCl)(3-??)-3-???-8-??????[3.2.1]??(SALTDATA:HCl)1256643-17-0C8H15NO
4-Hydroxycyclohexanone4-????????????13482-22-9C6H10O2
TetrabutylaMMoniuM Thiocyanate???????????????3674-54-2C17H36N2S
Transferrin huMan (Holo) lyophil., pasteurized11096-37-3C16H22N6O4
Diethyl 2-(1-nitroethyl)succinate???2-(1-?????)?????4753-29-1C10H17NO6
[4-(4-Methoxy-phenyl)-thiazol-2-yl]-hydrazine hydrochloride4871-25-4C10H11N3OS
1-pyrrolidin-3-yl-1H-imidazole(SALTDATA: 2HCl)1-(????-3-?)-1H-????64074-20-0C7H11N3
6-Boc-3,6-Diazabicyclo[3.2.0]heptane6-BOC-3,6-DIAZABICYCLO[3.2.0]??122848-57-1C10H18N2O2
N-methylcycloheptanamine(SALTDATA: HCl)N-??????-N-????42870-65-5C8H17N
Ethyl 3-endo-aminobicyclo[2.2.1]hept-5-ene-2-endo-carboxylate hydrochloride, 98%??3-??-?????????[2.2.1]HEPT-5-ENE-2-??-?????????95630-74-3C10H16ClNO2
3-(3-methoxy-4-methylphenyl)propanoic acid(SALTDATA: FREE)67199-60-4C11H14O3
(3-chlorophenyl)(pyridin-3-yl)methanone(SALTDATA: FREE)62247-00-1C12H8ClNO
Methyl 4-(cyanoacetyl)benzoate, 98%??4-(??????)?????69316-08-1C11H9NO3
1-(4-tert-Butylbenzyl)piperazine 97%1-(4-???-????)????956-61-6C15H24N2
3-Furan-2-yl-1-methyl-propylamine3-(2-??)-1-???????768-57-0C8H13NO
N-(4-hydroxyphenyl)tetrahydro-2-furancarboxamide(SALTDATA: FREE)832108-47-1C11H13NO3
2-bromo-N-(2-phenylethyl)acetamide(SALTDATA: FREE)2-???-N-???-?????64297-92-3C10H12BrNO
2-(4-oxoquinazolin-3(4H)-yl)propanoic acid(SALTDATA: FREE)2-(4-OXOQUINAZOLIN-3(4H)-YL)????61381-36-0C11H10N2O3
Carboxy-PTIO, PotassiuM Salt148819-94-7C14H16KN2O4*
4,4-Difluoroaminoethylpiperidine4,4-??????????????605659-03-8C7H14F2N2
4-Methoxyphenylacetic Anhydride4-????????????3951-10-8C18H18O5
5-Bromo-2-fluorobenzenesulphonyl chloride 98%5-???-2-??????????????339370-40-0C6H3BrClFO2S
3-Bromo-N-cyclohexylbenzamide3-???-N-???????????59507-55-0C13H16BrNO
2,2'-DinaphthylaMine2,2-??????532-18-3C20H15N
5-[(2,4-dichlorophenoxy)methyl]-4-methyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)35687-30-0C10H9Cl2N3OS
1-(4-Chlorophenyl)-1-cyclohexanecarboxylic acid, 95%1-(4-?????)-1-??????????58880-37-8C13H15ClO2
2,3,4-Trifluorobenzylamine2,3,4-??????????235088-67-2C7H6F3N
4-tert-Butoxycarbonylaminopiperidine-1,4-dicarboxylic acid monobenzyl ester4-TERT-BUTOXYCARBONYLAMINO-PIPERIDINE-1,4-DICARBOXYLICACIDMONOBENZYL????252720-32-4C19H26N2O6
4-Chloro-N-methylpyrimidin-2-amine, 98%22404-46-2C5H6ClN3
4,4-dimethyloxazolidine-2-thione, 95%4,4-?????????-2-??54013-55-7C5H9NOS
2-(2,3-Dihydrobenzo[b]furan-5-yl)thiazole-4-carbonyl chloride 95%306936-10-7C12H8ClNO2S
4-Acetyl-5-methyl-1,3-dihydro-2H-imidazol-2-one53064-61-2C6H8N2O2
Methyl 5-chloro-2-methylnicotinate350597-49-8C8H8ClNO2
4-Bromo-3-(trifluoromethyl)benzonitrile 97%1735-53-1C8H3BrF3N
5-(3-Bromophenyl)-1,3-oxazole 97%5-(3-?????)-1,3-???243455-57-4C9H6BrNO
Ethyl 7-nitro-1H-indole-2-carboxylate??7-?????-2-???????6960-46-9C11H10N2O4
3-Aminomethyl-1-N-methyl-1-N-Boc-aminomethyl-benzene3-?????-1-N-??-1-N-BOC-?????-??954238-64-3C14H22N2O2
Methyl 2-amino-1,3-thiazole-4-carboxylate, N-BOC protected 98%2-TERT-BUTOXYCARBONYLAMINOTHIAZOLE-4-CARBOXYLICACID??????850429-62-8C10H14N2O4S
N-(2-Methoxyethyl)-N-{1-[4-(methylsulfonyl)phenyl]ethyl}amineN-(2-?????)-N-{1-[4-(?????)??]??}??849924-92-1C12H19NO3S
5-PhenyldipyrroMethane2-[??(1H-??-2-?)??]-1H-??107798-98-1C15H14N2
2-Mercaptobenzothiazolyl-(Z)-(2-aMinothiazol-4-yl)-2-(tert-butoxycarbonyl)isopropoxyiMinoacetate2-??????????-(Z)-(2-??????-4-?)-2-(tert-???????)??????????????89604-92-2C20H22N4O4S3
4,4-Dioxo-1,4-oxathiane1,4-???-1,1-?????107-61-9C4H8O3S
Cerium(IV) sulfate tetrahydrate, 99+%???2??????10294-42-5CeH4O5S
n-Octadecamethyldimethoxysilane70851-50-2C21H46O2Si
1-(3-Pyrrolidinopropyl)piperazine1-[3-(1-?????)???]????224309-80-2C11H23N3
[2-(methoxymethoxy)phenyl](pyridin-4-yl)methanone(SALTDATA: FREE)[2-(METHOXYMETHOXY)PHENYL](PYRIDIN-4-YL)???938458-56-1C14H13NO3
2-Sulphamoylbenzoic acid2-???????????632-24-6C7H7NO4S
2-(4,5-Dihydro-1H-imidazol-2-yl)benzenethiol2-(4,5-DIHYDRO-1H-IMIDAZOL-2-YL)????53440-31-6C9H10N2S
5-methyl-1H-pyrrole-2-carbonitrile(SALTDATA: FREE)5-??-1H-??-2-?????(?????:??)26173-92-2C6H6N2
N-Phenyl-N'-cyanoformamidine, 98%N-??-N'-????????59425-37-5C8H7N3
2-AMino-4-phenylpyriMidine-5-carboxylic acid2-???-4-??????-5-?????91093-42-4C11H9N3O2
N-(6-Chloro-2-pyrazinyl)-N,N-diethylamine6-???-N,N-??????-2-??951885-43-1C8H12ClN3
2-(2-Bromoethoxy)-1,3,5-trichlorobenzene26378-23-4C8H6BrCl3O
1-(5-tert-butyl-1H-pyrazol-3-yl)-N-methylmethanamine(SALTDATA: 1.45 HCl 0.2H2O 0.12NaCl)1-(5-tert-??-1H-???-3-?)-N-??????(SALTDATA:1.45HCl0.2H2O0.12NaCl)1232137-17-5C9H17N3
2-Formyl-3-thiopheneboronic acid, 97%2-??????-3-???4347-31-3C5H5BO3S
N-[(4-fluoro-3-methylphenyl)sulfonyl]glycine(SALTDATA: FREE)670260-29-4C9H10FNO4S
2-(4-methylphenyl)-1H-indene-1,3(2H)-dione(SALTDATA: FREE)7561-48-0C16H12O2
Diacetoxyscirpenol, 99%, from Fusarium sp.2270-40-8C19H26O7
2-(2-bromophenoxy)propanoic acid(SALTDATA: FREE)2-(2-??????)????7414-41-7C9H9BrO3
Benzyl-thiophen-2-ylmethylamine??-???-2-???-??148883-56-1C12H13NS
3,5-Bis(pentafluorothio)bromobenzene3,5-??(????????)?????432028-10-9C6H3BrF10S2
2,4,6-Tris(pentafluoroethyl)-1,3,5-triazine2,4,6-TRIS(???????)-S-????858-46-8C9F15N3
2-Ethyl-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid2-??-1H-???[2,3-b]???-5-?????1241950-73-1C10H10N2O2
1-Benzyl-2-aminomethyl-1H-benzoimidazoleC-(1-BENZYL-1H-BENZOIMIDAZOL-2-YL)-????20028-36-8C15H15N3
1-[5-hydroxy-2-methyl-1-(4-methylphenyl)-1H-indol-3-yl]ethanone(SALTDATA: FREE)5165-56-0C18H17NO2
2-(3-methyl-1-piperidinyl)ethanamine(SALTDATA: FREE)2-(3-??????-1-?)????85723-75-7C8H18N2
2-iodoisonicotinamide(SALTDATA: FREE)2-???????????29840-76-4C6H5IN2O
(1,2-dimethylpropyl)methylamine(SALTDATA: HCl)(1,2-??????)????34317-39-0C6H15N
2-Methyl-5-nitrobenzonitrile, 98%2-??-5-????????939-83-3C8H6N2O2
L(+)-2-Amino-3-phosphonopropionic acid, 97%23052-80-4C3H8NO5P
ScopolaMine Methyl BroMideN-?? ????? ?????155-41-9C18H24BrNO4
3-(3-hydroxyphenyl)-3,4-dihydrobenzo[f]quinolin-1(2H)-one(SALTDATA: FREE)333759-52-7C19H15NO2
3-(tert-Butyl)-1-(4-fluorobenzyl)-1H-pyrazole-5-carbohydrazide, 97%263762-14-7C15H19FN4O
Benzophenone-2,4,5-tricarboxylic Acid????-2,4,5-??????135989-69-4C16H10O7
(4-methoxybenzyl)(4-methylbenzyl)amine(SALTDATA: HBr)(4-METHOXY-BENZYL)-(4-METHYL-BENZYL)-??197728-27-1C16H19NO
DisodiuM Citrate Sesquihydrate?????? ??? ????144-33-2C6H6Na2O7
DL-HoMocysteine454-29-5C4H9NO2S
CarMofur61422-45-5C11H16FN3O3
2-[(Tetrahydro-2-furanylmethyl)amino]-isonicotinic acid2-[(??????-2-?????)???]-??????1019452-63-1C11H14N2O3
Ethyl D-(-)-Mandelate??(R)-(-)-?????10606-72-1C10H12O3
Chlorodimethyloctylsilane, 97%????????????18162-84-0C10H23ClSi
1-Tridecanol, 99%, mixture of alcohols1-?????112-70-9C13H28O
(R)-(+)-1,2-Dithiolane-3-pentanoic acid, 98%1200-22-2C8H14O2S2
(1-ethyl-1H-imidazol-2-yl)methanol(SALTDATA: FREE)(1-??-1H-????-2-?)???(SALTDATA:FREE)63634-44-6C6H10N2O
2,3,3',4,4',5'-Hexahydroxybenzophenone52479-85-3C13H10O7
Bisindolylmaleimide VIII acetate salt??????????VIII??????138516-31-1C24H22N4O2
(E)-4-((2-Hydroxyethylthio)diazenyl)benzoic acid4-((E)-2-[(2-???????)???]????)??????331837-01-5C9H10N2O3S
methyl 5-{[(chloroacetyl)amino]methyl}-2-furoate(SALTDATA: FREE)345991-81-3C9H10ClNO4
2-Methyl-6-nitrobenzoyl Chloride2-??-6-??????????66232-57-3C8H6ClNO3
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