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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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4-Pentylbiphenyl7116-96-3C17H20
1-Methoxy-2-methyl-2-propanol, AcroSeal?, 98%3587-64-2C5H12O2
1-ethyl-1H-benzimidazol-5-amine(SALTDATA: 2HCl)1H-??????-5-??,1-??-(9CI)62874-34-4C9H11N3
Deuterium chloride, 20 wt. % solution in D2O, 99.95 atom% D7698-05-7ClD
Chlorofluoroacetamide?????????????431-09-4C2H3ClFNO
Rutaecarpine, 98%, from Evodia rutaecarpa (Juss.) Benth.84-26-4C18H13N3O
2,4-Dimethoxy-1-nitrobenzene, 98%4920-84-7C8H9NO4
2,4,5-Trifluorobenzyl Chloride2,4,5-?????????????243139-71-1C7H4ClF3
3-Pyrimidin-2-ylbenzaldehyde, 97%263349-22-0C11H8N2O
S-Acetylthiocholine bromide, 99%25025-59-6C7H16BrNOS
1-(2,3-Dimethylphenyl)piperazine, 98%1-(2,3-?????)????1013-22-5C12H18N2
Diethyl pyrocarbonate, 97%??? ?????1609-47-8C6H10O5
Methyl piperidin-4-ylacetate??4-?????????168986-49-0C8H15NO2
6-Methylimidazo[2,1-b][1,3]thiazole-5-carboxylic acid , 97%6-??????[2,1-B][1,3]???-5-?????77628-51-4C7H6N2O2S
4-Methylumbelliferyl β-D-glucuronide, 98%4-???????-??-D-??????6160-80-1C16H16O9
NeopentylaMine??????5813-64-9C5H13N
2-(4-bromophenyl)-N,N-dimethylacetamide(SALTDATA: FREE)19715-80-1C10H12BrNO
2,3-Diphenyl-5-MethyltetrazoliuM Chloride2,3-???-5-??????????6275-01-0C14H13ClN4
4-Chloro-3-fluorobenzaldehyde, 98%5527-95-7C7H4ClFO
2-(4-methyl-1H-pyrazol-1-yl)nicotinonitrile(SALTDATA: FREE)2-(4-??-1H-???-1-?)???????1119391-07-9C10H8N4
3,5-Bis(Methoxycarbonyl)phenylboronic acid pinacol ester3,5-??(???????)????????????944392-68-1C16H21BO6
4-(4-Pyridyl)benzoic acid, 99%4-???-4-????4385-76-6C12H9NO2
2'-Deoxyuridine, 99%??????951-78-0C9H12N2O5
trans-2-[3-(4-tert-Butylphenyl)-2-Methyl-2-propenylidene]Malononitrile300364-84-5C17H18N2
Ethyl 4-Nitrophenylacetate5445-26-1C10H11NO4
3-(ethylthio)propanoic acid(SALTDATA: FREE)3-???????????7244-82-8C5H10O2S
2-Thiomethyl-4-bromothiazole4-???-2-(????)???204513-62-2C4H4BrNS2
4-Iodobenzoic acid, 98%619-58-9C7H5IO2
Ammonium iron(II) sulfate hexahydrate, 99%, ACS reagent???(II) ??? ?????7783-85-9FeH7NO5S
4-(Chloromethyl)-2-methylquinoline???,4-(?????)-2-??-(9CI)288399-19-9C11H10ClN
4-(Dimethylamino)chalcone4-(???????)??1030-27-9C17H17NO
6-chloro-N,N-dimethyl-3-pyridazinamine(SALTDATA: FREE)7145-60-0C6H8ClN3
cis-3,3,5-TriMethylcyclohexyl Acetate24691-16-5C11H20O2
(S)-(-)-[(S)-2-Diphenylphosphinoferrocenyl](N,N-dimethylamino)(2-diphenylphosphinophenyl)methane, min. 97% TANIAPHOS(S)-(+)-(S)-2-???????????(2-?????????)??850444-36-9C38H34NP2.C5H5.Fe
Maltohexaose34620-77-4C36H62O31
(2-Amino-ethoxy)-acetic acid, 98%(2-???-???)-????10366-71-9C4H9NO3
di-n-Butyltin sulfide4253-22-9C8H18SSn
TrioctylMethylaMMoniuM Chloride (R=C8-C10)[Phase-transfer Catalyst]63393-96-4C25H54ClN
3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenol, min. 97%3-????????? ??????214360-76-6C12H17BO3
TropyliuM tetrafluoroborate27081-10-3C7H7BF4
3-Hepten-2-one1119-44-4C7H12O
Bis(tri-tert-butylphosphine)palladium, 98%53199-31-8C24H56P2Pd
Diacetatobis(triphenylphosphine)palladium(II), 99%14588-08-0C40H36O4P2Pd
Tri(ethylene glycol) bis(2-ethylhexanoate), 97%??? 3G594-28-0C22H42O6
4-ChlorothiobenzaMide2521-24-6C7H6ClNS
2-Nitrobenzonitrile, 98%612-24-8C7H4N2O2
(S)-N,N-DiMethyl-1-[(R)-1',2-bis(diphenylphosphino)ferrocenyl]ethylaMine(S)-N,N-???-1-[(R)-1′,2-BIS(DIPHENYLPHOSPHINO)????]????55650-59-4C38H37FeNP210*
1-(4-BroMophenyl)iMidazole1-(4-?????)????10040-96-7C9H7BrN2
5-Fluoro-2-formylbenzoic acid5-????-2-?????920481-01-2C8H5FO3
5-Bromo-2,4-diphenyl-1,3-thiazole , 97%5-???-2,4-???-1,3-???35342-50-8C15H10BrNS
Diacetato{(R)-(+)-5,5'-bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole}rutheniuM(II) Ru(OAc)2[(R)-dM-segphos?]944450-49-1C50H52O8P2Ru
Methyl 3-formyl-1H-indole-2-carboxylate??3-FORMYL-1H-??-2-???????18450-26-5C11H9NO3
alpha-Chloro-2,6-dichlorobenzaldoxime2,6-????-N-???????????????????6579-27-7C7H4Cl3NO
N,N,N'-TriMethyl-N'-(2-hydroxyethyl)bis(2-aMinoethyl) Ether2-[(2-[2-(???????)???]??)?????]???83016-70-0C9H22N2O2
2-Bromo-5-hydroxybenzotrifluoride 99%4-???-3-(????????)??320-49-0C7H4BrF3O
2-(Methylthio)benzoic Acid3724-10-5C8H8O2S
Benzyl sulfoxide, 98%621-08-9C14H14OS
(tetrahydro-2H-pyran-2-ylmethoxy)acetic acid(SALTDATA: FREE)(??????-2H-??-2-????)????876716-61-9C8H14O4
2-Fluoropyridine-4-carboxylic acid, 98%402-65-3C6H4FNO2
Tris(2-carboxyethyl)phosphine, hydrochloride, 99% TCEP51805-45-9C9H15O6P.ClH
1,4-Dibromohexafluoro-2-butene1,4-??????????-2-??360-87-2C4Br2F6
2-(Trichloroacetyl)pyrrole, 98%2-(????????)??35302-72-8C6H4Cl3NO
2-Methoxy-5-nitropyridine, 99%5446-92-4C6H6N2O3
5-AMino-2-benziMidazolinone5-??????????95-23-8C7H7N3O
Aldosterone, 97%52-39-1C21H28O5
(S)-(-)-1-Phenyl-1-propanol, 98%, ee: 90%613-87-6C9H12O
3-Indoleacetic acid, 99%??-3-????87-51-4C10H9NO2
2-Fluoro-5-(trifluoromethyl)-phenylacetic acid2-????-5-(????????)??????220227-66-7C9H6F4O2
2-Bromonicotinic acid, 99%35905-85-2C6H4BrNO2
1,3-Cyclopentanedione, 98%1,3-????????3859-41-4C5H6O2
3-Bromobenzoic hydrazide, 98%3-?????????39115-96-3C7H7BrN2O
Fmoc-D-proline, 99%101555-62-8C20H19NO4
2-Butoxyethyl acetate, 99.5%??? ??? ???? ??? ????112-07-2C8H16O3
5-Morpholinothiophene-2-carboxylic acid , 97%5-???????-2-?????332345-27-4C9H11NO3S
7-(3-Chloropropoxy)-4-chloroquinazoline7-(3-???????)-4-???????557770-90-8C11H10Cl2N2O
4-(Piperidin-1-yl)benzonitrile 97%4-????-1-?-?????1204-85-9C12H14N2
7-(Trifluoromethyl)-1H-indazole, 97%7-(????????)-1H-???885694-00-8C8H5F3N2
2-Chloro-4-hydroxybenzoic acid hydrate, 98%56363-84-9C7H5ClO3
Lithium bromide hydrate, 99%13453-70-8BrH2LiO
2-[2-(2-pyridinyl)ethyl]aniline(SALTDATA: FREE)2-(2-???-2-???)???50385-28-9C13H14N2
2-[(4-Methylphenyl)thio]-5-nitrobenzaldehyde2-[(4-????)??]-5-?????????175278-42-9C14H11NO3S
TetraethylphosphoniuM Hexafluorophosphate????????????????????111928-07-5C8H20F6P2
2,4-Dibromo-3-isopropyl-6-methylbenzenol2,4-DIBROMO-3-ISOPROPYL-6-?????70454-10-3C10H12Br2O
1-(2-Amino-ethyl)-N-Boc-cyclohexylamine1-(2-???-??)-N-BOC-????????886362-50-1C13H26N2O2
2-Chloro-N-phenethyl-benzamide2-???-N-??-????38925-70-1C15H14ClNO
Deuteroporphyrin IX 2,4 (4,2) hydroxyethyl vinyl???????IX2,4(4,2)?????????77222-65-2C34H36N4O5
4-(2-methyl-2H-tetrazol-5-yl)aniline(SALTDATA: FREE)4-(2-??-2H-????-5-?)???(SALTDATA:FREE)436092-89-6C8H9N5
BroModifluoroacetonitrile??????????????7601-99-2C2BrF2N
2-CyanobenzaMide2-???????17174-98-0C8H6N2O
1,2:3,4-Tetrahydrofluoranthene1,2,3,10B-???????????20279-21-4C16H14
5-Phenyl-o-toluidine5-??-O-????80938-67-6C13H13N
3-(2-Bromophenyl)-3-oxo-propionic acid ethylester3-(2-???-??)-3-??-???????????50671-05-1C11H11BrO3
3-Fluoro-4-nitro-o-xylene3-????-4-???-?-???3013-30-7C8H8FNO2
1-Amino-4-guanidinobutane dihydrochloride1-???-4-???????2HCL334-18-9C5H14N4.2(HCl)
Methyl 4-chloro-2-hydroxybenzoate??4-?????????22717-55-1C8H7ClO3
4-(4-Methoxyphenyl)-3-thiosemicarbazide4-(4-?????)-3-????????40207-03-2C8H11N3OS
1-(4-Nitrophenyl)-2-pyrrolidinone1-(4-?????)-2-?????13691-26-4C10H10N2O3
1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione209159-28-4C11H7ClO2
Cyclohexyldichlorophosphine, 98%2844-89-5C6H11Cl2P
Methyl 2-amino-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate, N6-BOC protected877041-47-9C14H20N2O4S
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