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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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3-(5-(3-(Dimethylamino)phenoxy)pyrimidin-2-ylamino)phenol3-(5-(3-(??????)???)????-2-????)??956128-01-1C18H18N4O2
Magnesium nonafluorobutanesulfonate???????????????507453-86-3C8F18MgO6S2
4-(Aminomethyl)-1-methyl-1H-indole 97%864264-02-8C10H12N2
Chloranilic Acid LanthanuM(III) Salt Decahydrate??????32607-23-1C18Cl6La2O12
(R)-2-[(Diphenylphosphino)methyl]pyrrolidine, min. 97% (10 wt% in tetrahydrofuran)(R)-2-[(???????)??]????428514-91-4C17H20NP
Carbonylchlorohydridotris(triphenylphosphine)ruthenium(II), 99%16971-33-8C55H45ClOP3Ru
4-methyl-1,3-benzoxazol-2-amine(SALTDATA: FREE)4-??-1,3-????-2-??(?????:??)947504-99-6C8H8N2O
1-(2-chlorophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde(SALTDATA: FREE)119673-49-3C13H12ClNO
N,N-Dibutyl-3-aMinophenol3-(??????)??43141-69-1C14H23NO
3-[(4-Ethylthio)phenyl]-1-propene3-[4-(????)??]-1-???842124-24-7C11H14S
(2-phenylthiazol-4-yl)methanol, 95%(2-??-1,3-???-4-?)???23780-13-4C10H9NOS
3,5-Dibromobenzoic acid, 98%3,5-??????? ?618-58-6C7H4Br2O2
1-(p-Tolyl)ethanol, 96%536-50-5C9H12O
Tripalmitin, 95%1,2,3-??????? ?????555-44-2C51H98O6
7-Methoxy-3,7-dimethyloctanal, 97%3613-30-7C11H22O2
N-(4-Nitrophenylacetoxy)succinimide, 98%, derivatization grade,for HPLC Labeling68123-33-1C12H10N2O6
2,2',4'-Trichloroacetophenone4252-78-2C8H5Cl3O
4-Chloro-3',4'-diMethylbenzophenone4-???-3',4'-???????40415-10-9C15H13ClO
p-Tolylurea622-51-5C8H10N2O
2-bromo-3-chloro-5-ethoxy-4-hydroxybenzaldehyde(SALTDATA: FREE)597545-04-5C9H8BrClO3
TAR [=4-(2-Thiazolylazo)resorcinol][Metal indicator and spectrophotoMetric reagent for transition Metals]4-(2-??????)????2246-46-0C9H7N3O2S
(7-methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)acetic acid(SALTDATA: FREE)959241-61-3C11H11NO3
1-(4-bromophenyl)-N-methylpropan-1-amine(SALTDATA: FREE)912906-92-4C10H14BrN
2,2,3,3,3-Pentafluoro-1,1-diphenylpropan-1-ol2,2,3,3,3-??????-1,1-(???)???-1-?337-33-7C15H11F5O
3-(chloromethyl)-5-isopropylisoxazole(SALTDATA: FREE)3-(?????)-5-?????????1018128-18-1C7H10ClNO
5-Phenyl-1,3,4-oxadiazol-2-amine5-??-1,3,4-?????-2-??1612-76-6C8H7N3O
4-Benzyloxy-2-pyrrolidin-1-ylmethyl-pyrrolidine-1-carboxylic acid benzyl ester4-BENZYLOXY-2-PYRROLIDIN-1-YLMETHYL-PYRROLIDINE-1-CARBOXYLICACID??????886363-04-8C24H30N2O3
3-Amino-4-hydroxy-N,N-dimethylbenzenesulphonamide24962-75-2C8H12N2O3S
ChroMe Yellow??????36054-97-3C17H13N2NaO6S
2-amino-N-methylbutanamide(SALTDATA: HCl)2-???-N-???????(SALTDATA:HCl)767570-56-9C5H12N2O
(-)-Fenchone??(--)7787-20-4C10H16O
PerfluorosebacaMidine????????865-94-1C10H6F16N4
1,1'-Ferrocenedicarboxaldehyde, 96%1,1′-??????????????1271-48-3C12H10FeO210*
Dimethylammonium dichlorotri(mu-chloro)bis[(S)-(-)-2,2'-bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl]diruthenate(II) [NH2Me2][{RuCl((S)-H8-binap)}2(mu-Cl)3]944451-12-1C90H92Cl5NP4Ru2
4-Amino-3,5-dichloropyridine, 98%22889-78-7C5H4Cl2N2
4,5-diphenyl-1,3-thiazol-2-amine(SALTDATA: FREE)??4396318-74-7C15H12N2S
2-azaspiro[4.4]nonan-3-one(SALTDATA: FREE)2-?????[4.4]??-3-?75751-72-3C8H13NO
Ethyl Succinyl Chloride??????????14794-31-1C6H9ClO3
5-AMino-1-Methyl-3-(trifluoroMethyl)-1H-pyrazole-4-carboxylic acid317806-51-2C6H6F3N3O2
7-(Hydroxymethyl)-1H-indazole(1H-???-7-?)???1092961-09-5C8H8N2O
N,N-Dimethyl-1-naphthylamine, 99%N,N-????-1-??????86-56-6C12H13N
Fmoc-Asp-Obzl, 98%86060-83-5C26H23NO6
3-Methoxy-5-(trifluoroMethyl)benzoic acid3-???-5-(?????????)???53985-48-1C9H7F3O3
2-Chloro-5-iodo-4-pyridinamine2-???-5-???-4-?????800402-12-4C5H4ClIN2
2,4-Dibromo-1-methyl-1H-imidazole2,4-????-1-??-1H-????53857-60-6C4H4Br2N2
Tetramethyl 2,6-dihydroxybicyclo[3.3.1]nona-2,6-diene-1,3,5,7-tetracarboxylate, 99%?????2,6-DIHYDROXYBICYCLO[3.3.1]NONA-2,6-DIENE-1,3,5,7-TETRACARBOXYLATE6966-22-9C17H20O10
5-(1-pyrrolidinyl)-3-pentyn-1-ol(SALTDATA: FREE)550302-87-9C9H15NO
trans-1-Cinnamylpiperazine, 97%87179-40-6C13H18N2
(+)-S-Trityl-L-cysteine, 97%2799-07-7C22H21NO2S
(S)-(+)-Epichlorohydrin, 98%(S)-?????????67843-74-7C3H5ClO
5-Chloro-2-fluorophenyl isothiocyanate, 97%247170-25-8C7H3ClFNS
5-(4-Chlorophenyl)-2-furoic acid, 95+%5-(4-?????)-2-???41019-45-8C11H7ClO3
5-Chloro-2-Methoxyphenyl isothiocyanate5-???-2-??????????????63429-99-2C8H6ClNOS
2,3,4,5-Tetrafluorobenzaldehyde16583-06-5C7H2F4O
2-(4-chlorophenyl)-N-(4-methoxybenzyl)ethanamine(SALTDATA: HBr)355382-88-6C16H18ClNO
1-Phenyl-1-octyne1-??-1-??16967-02-5C14H18
1-(2-Hydroxyphenyl)-3-(4-chlorophenyl)-1,3-propanedione65599-34-0C15H11ClO3
ethyl 1-aminopiperidine-3-carboxylate(SALTDATA: FREE)1-???-????-3-???????????938458-88-9C8H16N2O2
2-(aminomethyl)adamantan-2-ol(SALTDATA: HCl)2-?????-????-2-OL28529-71-7C11H19NO
3',4'-Dimethyl-biphenyl-4-ylamine3',4'-????-???-4-???188906-52-7C14H15N
Pentafluorophenyl 2-morpholino-1,3-thiazole-5-carboxylate , 97%????????2-????-4-?-1,3-???-5-???????941716-88-7C14H9F5N2O3S
(1-Amino-1,2-dimethylpropyl)phosphonic acid hydrate, 97%(1-???-1,2-??????)???????101804-01-7C5H14NO3P
1-Isopropyl-7-(methylthio)-1H-pyrimido-[4,5-d][1,3]oxazine-2,4-dione76360-89-9C10H11N3O3S
2-Methoxy-6-Methylphenol2-???-6-????2896-67-5C8H10O2
Diethyl (3-bromoprop-1-(E)-en-1-yl)phosphonate 95%???3-???-1-????????66498-59-7C7H14BrO3P
('±)-Bay K 8644, 98%71145-03-4C16H15F3N2O4
2,3-Dihydrobenzofuran-7-carboxylic Acid35700-40-4C9H8O3
(S)-2-N-Cbz-Amino-pentane-1,5-diol(S)-2-N-CBZ-???-??-1,5-??478646-26-3C13H19NO4
2,4-Diphenyl-cyclobutane-1,3-dicarboxylic acid2,4-????????-1,3-??????4462-95-7C18H16O4
Benzyl-(3-bromobenzyl)amine??-(3-?????)??70251-03-5C14H14BrN
[5-(2-Furyl)-1H-pyrazol-3-yl]methanol , 97%[5-(2-FURYL)-1H-PYRAZOL-3-YL]???84978-67-6C8H8N2O2
1-(4-Methoxyphenyl)-2-quinolin-2-ylethanone4-(?????)-2-??????7469-86-5C18H15NO2
Benzyl DiMethylphosphonoacetate57443-18-2C11H15O5P
1-(ethylamino)-3-phenoxypropan-2-ol(SALTDATA: FREE)58461-93-1C11H17NO2
1-Hexadecylpyridinium bromide, 98%140-72-7C21H38BrN
3,4-Dihydroxybenzaldehyde, 98%3,4-???????????139-85-5C7H6O3
2, 6-Dimethyl-3-pyridinecarboxylic acid ethyl ester, 97%2,6-?????????????1721-13-7C10H13NO2
6-Bromo-1H-indole-2-carbaldehyde, 97%6-???-1H-??-2-??????105191-12-6C9H6BrNO
Isatin, 98%???91-56-5C8H5NO2
L-Serine benzyl ester hydrochloride, 98%60022-62-0C10H14ClNO3
Ethyl pentafluoropropionate, 98%?? ?????????????426-65-3C5H5F5O2
Allylmagnesium bromide, 1.0 M solution in diethyl ether, J&KSeal1730-25-2C3H5BrMg
N-(2,5-dimethoxybenzyl)cyclopentanamine(SALTDATA: HCl)??????-(2,5-DIMETHOXY-BENZYL)-??355814-38-9C14H21NO2
(propylthio)acetic acid(SALTDATA: FREE)(?????)????20600-60-6C5H10O2S
tert-Butyl 4-(2-aminoethyl)benzoate4-(2-?????)???tert-??????135482-70-1C13H19NO2
2-[(5-Chloro-2-pyridyl)thio]ethan-1-ol2-[(5-???-2-???)??]??-1-?175135-89-4C7H8ClNOS
(3'-Methoxy-biphenyl-2-yl)-acetic acid108478-56-4C15H14O3
2-(1-piperidinyl)propanoic acid(SALTDATA: HCl)2-(1-?????)????(?????:HCl)69181-71-1C8H15NO2
Naphthyl phosphate-Na-salt analytical grade81012-89-7C10H12NaO5P
2-(ethylsulfonyl)-5-iodothiophene(SALTDATA: FREE)412965-13-0C6H7IO2S2
2-Butyl-[1,3,2]dioxaborolane-4R,5R-dicarboxylicacid bisdimethylamide2-??-[1,3,2]??????-4,5-????????-??????161344-85-0C12H23BN2O4
3-(3,5-Dimethyl-pyrazol-1-yl)-propionitrile3-(3,5-???-1H-???-1-?)??????5589-97-9C8H11N3
2-[(2-chlorobenzyl)oxy]-3-methoxybenzaldehyde(SALTDATA: FREE)2-[(2-?????)??]-3-?????????52803-63-1C15H13ClO3
2,4,5-Trifluorobenzylamine2,4,5-??????????168644-93-7C7H6F3N
6-AMino-5-broMonicotinic acid180340-69-6C6H5BrN2O2
Bis(t-butylcyclopentadienyl)hafnium dichloride, min. 98%BIS(T-??????????)???????33010-55-8C18H18Cl2Hf
2-(2-formylphenoxy)-N-(tetrahydro-2-furanylmethyl)acetamide(SALTDATA: FREE)2-(2-?????)-N-(????????-2-???)??????915923-40-9C14H17NO4
4'-BroMoacetanilide4'-??????????103-88-8C8H8BrNO
(3-propylpiperidin-3-yl)methanol(SALTDATA: FREE)915925-19-8C9H19NO
p-Acetoacetanisidide5437-98-9C11H13NO3
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