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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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(S)-(+)-Glycidyl nosylate, 98%3-???????? ????115314-14-2C9H9NO6S
3-(Pyridin-4-yl)propionic acid, 98%3-???-4-?-?????6318-43-0C8H9NO2
4,4'-Methylenebis(N,N-dimethylaniline), 98%4,4'-?????(N,N-???)????101-61-1C17H22N2
Methyl Violet 2B, Dye-content:75%?? ???? (2B)8004-87-3C24H28ClN3
5-bromo-3-fluoropyridine-2-carboxylic acid, 95%669066-91-5C6H3BrFNO2
Diethyl (chloromethyl)phosphonate, 98%3167-63-3C5H12ClO3P
4-(5'-Indole)benzoic acid4-(5'-??)???886363-18-4C15H11NO2
2,1,3-Benzoxadiazole-5-carbonitrile, 97%2,1,3-??????-5-?????54286-62-3C7H3N3O
Chloro(cyclopentadienyl)[bis(diphenylphosphino)methane]ruthenium(II), min. 97%???(????????)[BIS(???????)??]???(II)71397-33-6C30H24ClP2Ru
2-BroMo-1-Methoxy-4-nitrobenzene5197-28-4C7H6BrNO3
1,1,2,2-Tetrachloro-1,2-diMethyldisilane1,1,2,2-??????-1,2-??????4518-98-3C2H6Cl4Si2
4'-DiethylaMinoacetophenone4'-???????????5520-66-1C12H17NO
N-Benzoylthiourea614-23-3C8H8N2OS
3-(4-Methoxy)benzyloxy-5-(trifluoromethyl)benzeneboronic acid 98%3-(4-???)????-5-(????????)?????98913835-77-5C15H14BF3O4
2,4-Dimethyl-3-furoyl chloride, 90%3-???????????,2,4-???-(9CI)15139-39-6C7H7ClO2
4-(TrifluoroMethyl)pyridine-2-carboxylic acid 97%588702-62-9C7H4F3NO2
2-tert-Butylanthracene18801-00-8C18H18
[1-(4-Chloro-phenyl)-2,5-dioxo-imidazolidin-4-yl]-acetic acid1-(p-?????)-2,5-???-4H-??????????62848-53-7C11H9ClN2O4
Indomethacin, 98%, a nonselective COX1 and COX2 inhibitor?????53-86-1C19H16ClNO4
1-amino-N-methylcyclohexanecarboxamide(SALTDATA: FREE)1-???-N-?????????????(SALTDATA:??)90152-17-3C8H16N2O
(1S,2R)-2-[N-Benzyl-N-(Mesitylenesulfonyl)aMino]-1-phenyl-1-propanol187324-64-7C25H29NO3S
SodiuM BisMuthate (>80%)?????? ????12232-99-4BiH3NaO
2,3-Dihydro-1-oxo-1H-indene-5-carbonitrile25724-79-2C10H7NO
7-methyl[1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylic acid(SALTDATA: FREE)7-??[1,2,4]?????[4,3-a]????-3-?????(SALTDATA:??)1256643-42-1C7H6N4O2
4-Amino-6-cyclopropyl-1,3,5-triazin-2-ol2-???-4-???????-6-?????-1,3,5-????175204-67-8C6H8N4O
2-(2-Pyridyl)benzo[b]thiophene2-(2-???)?????38210-35-4C13H9NS
4-methyl-7-(2-oxopropoxy)-2H-chromen-2-one(SALTDATA: FREE)68454-18-2C13H12O4
TobraMycinO-3-???-3-???-??-D-???????-(1→6)-O-[2,6-????-2,3,6-?????-??-D-??????-(1→4)]-2-???-D-32986-56-4C18H37N5O9
11α-Hydroxy Progesterone11-α-????????-4-?-3,20-??? ? ? ???80-75-1C21H30O3
Boc-3-cyano-D-phenylalanineBOC-D-3-???????205445-56-3C15H18N2O4
(3S,4R)-4-ethoxytetrahydro-3-furanamine(SALTDATA: HCl)(3S,4R)-4-??????????-3-????(SALTDATA:HCl)1255859-41-6C6H13NO2
D-Idose, 99%5978-95-0C6H12O6
4'-Hydroxy-2'-methylacetophenone, 97%4'-????-2'-???????875-59-2C9H10O2
4-Bromo-2-fluorophenylisothiocyanate81171-71-3C7H3BrFNS
4-(Propoxycarbonyl)benzeneboronic acid 97%4-?????????????91062-38-3C10H13BO4
2-[(tert-butylamino)carbonyl]cyclohexanecarboxylic acid(SALTDATA: FREE)69049-86-1C12H21NO3
5-Chloro-2-hydroxyphenylboronic acid89488-25-5C6H6BClO3
8-Nonen-1-ol8-??-1-OL13038-21-6C9H18O
3-Fluoro-2,4-dimethyl-benzoic acid2,4-???-3-???????26583-81-3C9H9FO2
5-isopropyl-3-(2-pyrrolidinyl)isoxazole(SALTDATA: FREE)5-?????-3-????-2-?????1018126-16-3C10H16N2O
L-Alanine tert-butyl ester hydrochloride, 98%13404-22-3C7H16ClNO2
2-Fluoro-7,8,9,10-tetrahydro-6H-cyclohepta[b]quinoline-11-carboxylic acid , 97%1555-11-9C15H14FNO2
4-[4-(Trifluoromethyl)phenyl]-3-thiosemicarbazide4-[4-(????????)??]-3-??????????206761-90-2C8H8F3N3S
Pentamethylcyclopentadienyltitanium trimethoxide, min. 97%123927-75-3C10H15.C3H9O3Ti
Rizatriptan benzoate, 99%145202-66-0C22H25N5O2
Boc-DL-Pro-OH59433-50-0C10H17NO4
4-Methyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-7-sulfonyl chloride , 97%910037-13-7C8H9ClN2O3S
Trifluoroacetonitrile????????????353-85-5C2F3N
(4-Methoxy-pyridin-2-yl)-carbamic acid tert-butyl ester(4-METHOXY-PYRIDIN-2-YL)-CARBAMICACIDTERT-BUTYL????551950-46-0C11H16N2O3
2-[(3-methyl[1,2,4]triazolo[4,3-b]pyridazin-6-yl)amino]ethanol(SALTDATA: FREE)915920-57-9C8H11N5O
(3R,5S)-5-HydroxyMethyl-3-pyrrolidinol Hydrochloride478922-47-3C5H12ClNO2
Ethylene glycol dimethacrylate, 99%, stabilized with 100 ppm MEHQ??? ???????97-90-5C10H14O4
Bis(tetrahydro-2H-pyran-4-yl)amine 97%?(????????-4-?)??1080028-76-7C10H19NO2
5-methyl-1H-pyrazol-4-amine(SALTDATA: 2HCl 0.5H2O)5-??-1H-???-4-??113140-10-6C4H7N3
4-Chloro-3-methylaniline, 98%7149-75-9C7H8ClN
5-Chlorovaleronitrile, 99%6280-87-1C5H8ClN
t-Butyldicyclohexylphosphine, min. 95%93634-87-8C16H31P
6-AMinopurine-8(9H)-thione6-???-1,7-?????-8H-??-8-??7390-62-7C5H5N5S
1-(tetrahydrofuran-2-ylmethyl)piperidin-4-amine(SALTDATA: 2HCl 0.5H2O)108282-26-4C10H20N2O
CefpiroMe Sulfate??????98753-19-6C22H24N6O9S3
Pravastatin sodium, 98%, a HMG-CoA reductase inhibitor81131-70-6C23H36NaO7
2-BroMo-6-fluoropyridine144100-07-2C5H3BrFN
1,3-Cyclooctadiene (stabilized with TBC)1700-10-3C8H12
1-Boc-3-aminopiperidine, 98%184637-48-7C10H20N2O2
ethyl (4-formylphenoxy)acetate(SALTDATA: FREE)4-???????????????51264-69-8C11H12O4
2-chloro-3-(1-pyrrolidinyl)pyrazine(SALTDATA: FREE)2-???-3-(1-?????)???(SALTDATA:??)1209459-63-1C8H10ClN3
3-Methylbenzotrifluoride 98%401-79-6C8H7F3
3-Hydroxyhexanoic acid ethyl ester, 98%2305-25-1C8H16O3
(1R,2R)-Boc-aminocyclohexane carboxylic acid, 97%233661-54-6C12H21NO4
Bis(ethylcyclopentadienyl)iron, min. 98%1,1'-??????1273-97-8C14H18Fe10*
N-[(5-methyl-2-thienyl)methyl]-1-butanamine(SALTDATA: HCl)893611-64-8C10H17NS
4-[2-(4-methyl-1-piperidinyl)-2-oxoethoxy]benzaldehyde(SALTDATA: FREE)915923-84-1C15H19NO3
4-chloro-6-isopropylpyrimidine(SALTDATA: FREE)4-???-6-(1-????)????954222-10-7C7H9ClN2
CeriuM(III) phosphate hydrate?? ??13454-71-2Ce.H3O4P
5-(1H-Pyrrol-2-yl)-1H-tetrazole5-(1H-??-2-?)-1H-????31602-66-1C5H5N5
4-(1,3-Oxazol-5-yl)benzenesulfonyl chloride , 97%4-(1,3-OXAZOL-5-YL)????????337508-66-4C9H6ClNO3S
Methacryloxypropylbis(trimethylsiloxy)methylsilane19309-90-1C14H32O4Si3
3-[2-Nitro-4-(trifluoromethyl)anilino]-propanoic acid3-[2-NITRO-4-(????????)????]????37040-43-0C10H9F3N2O4
Ethyl 1-benzyl-4-oxo-pyrrolidine-3-carboxylate??1-??-4-??-????-3-???????1027-35-6C14H17NO3
3-(4-Benzyl-piperazin-1-yl)-propylamine3-(4-??-?????)?????4553-27-9C14H23N3
Tetraphenylphosphonium bromide, 99%????? ? ?????2751-90-8C24H20BrP
2-(Trifluoromethyl)phenylacetylene 98%704-41-6C9H5F3
acth(1-10)2791-05-1C59H78N16O16S
4-(N-Benzylsulphonamido)benzeneboronic acid 95%548769-96-6C13H14BNO4S
2-(N,N-DiMethylaMino)pyridine-5-boronic acid hydrate579525-46-5C7H11BN2O2
5-fluoro-1-methyl-1H-indole-2,3-dione(SALTDATA: FREE)773-91-1C9H6FNO2
2-Bromo-5-methoxyaniline hydrochloride2-???-5-??????HCL129968-11-2C7H8BrNO
5-Bromo-N-phenyl-2-pyridinamine5-???-N-??-2-?????54904-03-9C11H9BrN2
4-amino-1-methylpyrrolidin-2-one(SALTDATA: FREE)4-???-1-??????-2-?(SALTDATA:??)933744-16-2C5H10N2O
7-chloro-2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one(SALTDATA: FREE)162469-87-6C9H6Cl2N2O
3',4'-Dimethyl-biphenyl-3-ylamine hydrochloride3',4'-???-???-3-??????728919-24-2C14H15N
CurcuMin (Synthetic)94875-80-6C21H20O6
3,5-Difluoro-3',5'-diMethylbenzophenone3,5-?????-3',5'-???????844885-22-9C15H12F2O
Tri-n-octyl Borate2467-12-1C24H51BO3
(4-Chloro-benzylidene)-carbamic acid ethyl ester(4-???-????)-??????????681260-32-2C10H10ClNO2
Fmoc-L-phenylalanine, 98%35661-40-6C24H21NO4
4-(4,5-Dihydroimidazol-2-yl)-pyridine2-(4-???)?????????21381-61-3C8H9N3
{4-Methyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazol-5-yl}methanamine690632-25-8C12H11F3N2S
5-Chloro-2-cyanopyrazine36070-75-4C5H2ClN3
2-Hydroxyethyl Acetate??? ??? ????542-59-6C4H8O3
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