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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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Isobutyraldehyde-DNPH2057-82-1C10H12N4O4
Dobutamine hydrochloride52663-81-7C18H24ClNO3
7-amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one(SALTDATA: FREE)141068-81-7C9H10N2O2
3-Bromo-2-hydroxy-5-methylpyridine, 97%17282-02-9C6H6BrNO
(2-Chloro-3-fluoropyridin-4-yl)methanol2-???-3-????-4-??????946127-54-4C6H5ClFNO
4-(3,4-dihydroquinolin-1(2H)-ylsulfonyl)aniline(SALTDATA: FREE)4-(3,4-????????-1(2H)-????)???(SALTDATA:FREE)5455-89-0C15H16N2O2S
Isobornyl acetate, 94%?????????125-12-2C12H20O2
PIPES dipotassium salt, 99%108321-27-3C8H19KN2O6S2
Ethyl 1,6-dimethyl-4-phenyl-2-thioxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate108958-81-2C15H18N2O2S
2-(3-phenyl-1H-1,2,4-triazol-5-yl)ethanamine(SALTDATA: 3HCl 0.3H2O)61012-39-3C10H12N4
5-Iodo-2-phenoxypyridine5-????-2-??????352018-92-9C11H8INO
3α,4β,3α-Galactotetraose, 95%3-O-(4-O-[3-O-ALPHA-D-GALACTOPYRANOSYL-BETA-D-GALACTOPYRANOSYL]-ALPHA-D-GALACTOPYRANOSYL)-D-???????56038-38-1C24H42O21
1-Methylindole-3-carboxaldehyde, 97%1-????-3-???????19012-03-4C10H9NO
2-(3-formyl-1H-indol-1-yl)propanoic acid(SALTDATA: FREE)2-(3-FORMYL-1H-INDOL-1-YL)????166747-91-7C12H11NO3
Triallyl silane??????1116-62-7C9H16Si
Anatabine, 97%, from Nicotiana tabacum L.(R,S)-????2743-90-0C10H12N2
Pyridine-2-carbonyl Chloride Hydrochloride39901-94-5C6H5Cl2NO
4-Amino-3-fluorobenzonitrile, 98%63069-50-1C7H5FN2
6-Methyl-2H-pyrido[1,2-a]pyriMidin-2-one16075-68-6C9H8N2O
Dimethylgermanium dichloride, 99%1529-48-2C2H6Cl2Ge
L-Theanine, 99%L-???3081-61-6C7H14N2O3
2-Methyl-1,5-diaMinopentane2-??????????15520-10-2C6H16N2
2-(2-isopropyl-1,3-thiazol-4-yl)ethanamine(SALTDATA: HCl)4-???????,2-(1-????)-(9CI)202817-08-1C8H14N2S
Boc-β-iodo-Ala-Ome, 98%, Boc-amino acidsBOC-??-????-ALA-OME93267-04-0C9H16INO4
N-(tert-Butoxycarbonyl)-L-tryptophan, 99%N-??-T-BOC-L-????13139-14-5C16H20N2O4
3-(1,3-benzoxazol-2-yl)-1-propanamine(SALTDATA: FREE)3-(1,3-????-2-?)???-1-??76712-84-0C10H12N2O
iso-Propyl anthranilate????????18189-02-1C10H13NO2
3,5-Bis[2-(Boc-amino)ethoxy]-benzoic acid, 99%3,5-BIS[2-(BOC-???)???]-????187960-74-3C21H32N2O8
ADA sodium salt, 95%N-(2-??????)?????????????7415-22-7C6H11N2NaO5
Azure B, 90%531-55-5C15H16ClN3S
N-Ethyl 2-nitro-4-trifluoromethylanilineN-??2-???-4-(????????)???30377-62-9C9H9F3N2O2
2-(1-pyrrolidinyl)acetohydrazide(SALTDATA: 2HCl)2-(1-?????)????????(?????:2HCl)7171-96-2C6H13N3O
4-(tert-Butyl)-6-(methylthio)-1,3,5-triazin-2-amine , 97%4-(tert-??)-6-(????)-1,3,5-????-2-??175204-56-5C8H14N4S
Ponceau 6R5850-44-2C20H10N2Na4O13S4
Tetraethyl p-xylylenediphosphonate, 95%4546-04-7C16H28O6P2
2,2-dimethyltetrahydro-2H-pyran-4-carbaldehyde(SALTDATA: FREE)2,2-????-???????-??-4-??????34941-21-4C8H14O2
1,3-Diethoxybenzene2049-73-2C10H14O2
3,4,5-Trifluorobenzophenone3,4,5-??????????70028-88-5C13H7F3O
2-(4-Methoxyphenoxy)-N-methyl-1-ethanamineN-[2-(4-??????)??]-N-????102246-82-2C10H15NO2
Bis[bis[4-(diethylaMino)phenyl]Methyl] EtherBIS[BIS[4-(??????)??]??]???155050-06-9C42H58N4O
3-[(tert-Butoxycarbonyl)amino]-3-(4-isopropylphenyl)propanoic acid3-N-BOC-3-(4-ISOPROPYLPHENYL)?????453557-73-8C17H25NO4
N-Adamantan-1-yl-2-chloro-acetamideN-ADAMANTAN-1-YL-2-???-?????5689-59-8C12H18ClNO
4-Amino-3-methylbenzenesulphonic acid2-??????-5-???98-33-9C7H9NO3S
2-Acetyl-5-methylfuran, 98%1193-79-9C7H8O2
1-[4-(benzyloxy)phenyl]piperazine(SALTDATA: FREE)1-(4-????-??)-???144881-52-7C17H20N2O
4-{[6-(1H-pyrazol-1-yl)-4-pyrimidinyl]oxy}benzaldehyde(SALTDATA: FREE)1015846-03-3C14H10N4O2
2-(Acetoxymethyl)allytrimethylsilane ,97.5%72047-94-0C9H18O2Si
4-(trifluoromethyl)benzohydrazide(SALTDATA: FREE)4-(????????)?????????339-59-3C8H7F3N2O
7-BroMo-3-forMylindole7-???-1H-??-3-??????115666-21-2C9H6BrNO
3-isobutyl-1-methyl-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE)769132-77-6C9H14N2O2
3-isopropylisoxazole-5-carboxylic acid(SALTDATA: FREE)3-?????????-5-?????14633-22-8C7H9NO3
DihydroergotaMine Tartrate5989-77-52C33H37N5O5.C4H6O6
3,6-Difluoro-2-hydroxybenzaldehyde??????,3,6-?????-2-?????-(9CI)502762-92-7C7H4F2O2
Dichloro{(R)-(+)-2,2'-bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl}[(2R)-(-)-1,1-bis(4-methoxyphenyl)-3-methyl-1,2-butanediamine]ruthenium(II) RuCl2[(R)-xylbinap][(R)-daipen]220114-32-9C71H74Cl2N2O2P2Ru
Methyl 5-(pyridin-3-yloxy)-2-furoate 97%??5-(3-??????)-2-?????852180-38-2C11H9NO4
2-(2,4-Dinitrophenylthio)benzothiazole17586-89-9C13H7N3O4S
3-Nonanone???(3-)925-78-0C9H18O
Dichloro[(S)-(-)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl][(1S,2S)-(-)-1,2-diphenylethylenediamine]ruthenium(II), min. 98%???? [(S) - (-) -2,2'- ?? (? ?? ?? ??) -1,1'- ?? ?? ?] [(1S, 2S) - (-) -1,2- ? ?? ??? ???] ??? (II)329736-05-2C58H48Cl2N2P2Ru
Lithium chromate, min. 95%?? ????14307-35-8CrLi2O4
1,2,2,3-Tetrachloropropane13116-53-5C3H4Cl4
4-Bromo-2-methylaniline, 98%4-???-2-????583-75-5C7H8BrN
2,5-Difluorobenzylamine, 97%2,5-?????????85118-06-5C7H7F2N
2,5-Dichloro-3-fluoropyridine103999-77-5C5H2Cl2FN
Tetratetracontane7098-22-8C44H90
3-(4-acetyl-3,5-dimethyl-1H-pyrazol-1-yl)propanoic acid(SALTDATA: FREE)3-(4-???-3,5-???-???-1-YL)-?????890596-67-5C10H14N2O3
4-(Methoxycarbonylamino)benzeneboronic acid4-(????????)?????850567-96-3C8H10BNO4
2-Ethoxy-3,4-dihydro-2H-pyran, 97%??????????103-75-3C7H12O2
Dioctyl ether, 96%????????629-82-3C16H34O
2,6-Dinitro-p-cresol (wetted with ca. 20% Water, containing 25g on a dry weight basis)2,6-????-P-???609-93-8C7H6N2O5
oxazole-4-carbohydrazide, 95%???-4-???????????885274-12-4C4H5N3O2
3,5-Bis(4-nitrophenoxy)benzoic Acid3,5-BIS(4-??????)???173550-33-9C19H12N2O8
4-Oxo-4-(2-pyridyl)butyric acid4-OXO-4-(2-PYRIDYL)???5768-27-4C9H9NO3
3-(1H-Pyrazol-1-yl)benzoic acid, 97%3-(1H-PYRAZOL-1-YL)???264264-33-7C10H8N2O2
6-Chloro-N-methyl-4-pyrimidinamine65766-32-7C5H6ClN3
2-(5-methyl-2-furyl)-2-morpholin-4-ylethanamine(SALTDATA: FREE)875160-04-6C11H18N2O2
2,4-dimethyl-5-[(4-methyl-1-piperidinyl)methyl]benzaldehyde(SALTDATA: FREE)894207-03-5C16H23NO
Tributyl(pentafluoroethyl)stannane1426-66-0C14H27F5Sn
Ethyl 2-Hydroxy-3-butynoate2-?????-3-??????????18418-08-1C6H8O3
1,7-Dimethoxy octamethyltetrasiloxane1,7-???????????????17928-31-3C10H30O5Si4
L-idose5934-56-5C6H12O6
2',4'-Dimethoxy-biphenyl-4-carbaldehyde4-(2,4-??????)??????728919-17-3C15H14O3
2-p-Tolyl-ethanesulfonyl chloride2-P-??-??????????88106-95-0C9H11ClO2S
2-(4-Fluoro-phenyl)-imidazo[1,2-a]pyridine-3-carboxaldehyde2-(4-FLUORO-??)-????[1,2-A]???-3-??????425658-37-3C14H9FN2O
Magnesium trifluoroacetylacetonate dihydrate, min. 98%53633-79-7C10H8F6MgO4
N-Methyl-N-[(5-morpholin-4-ylthien-2-yl)methyl]amine, 97%N-??-N-[(5-????-4-???-2-?)??]??879896-62-5C10H16N2OS
3-Picolyl isothiocyanate hydrobromide147342-57-2C7H7BrN2S
4-Methoxyphenyl 3-O-Benzyl-4,6-O-benzylidene-beta-D-glucopyranoside4-?????3-O-BENZYL-4,6-O-BENZYLIDENE-BETA-D-GLUCOPYRANOSIDE303127-81-3C27H28O7
2-(2,5-dimethylphenoxy)-N-methylethanamine(SALTDATA: FREE)915920-66-0C11H17NO
Resorcinol monoacetate, 98%?????????102-29-4C8H8O3
4-alpha-Phorbol 12-Myristate 13-Acetate >99%63597-44-4C36H56O8
(3,5-dimethoxybenzyl)(2-methoxy-1-methylethyl)amine(SALTDATA: HBr)(3,5-DIMETHOXY-BENZYL)-(2-METHOXY-1-METHYL-ETHYL)-??356091-46-8C13H21NO3
N-methyl-1-(5-methyl-1H-benzimidazol-2-yl)methanamine(SALTDATA: 2HCl)887571-32-6C10H13N3
2-{[2-(4-chlorophenoxy)ethyl]amino}ethanol(SALTDATA: HCl)99513-36-7C10H14ClNO2
Ethyl 4-ethoxybenzoylforMate??4-???????????70080-61-4C12H14O4
4-[(2,4-Dihydroxy-3,3-dimethylbutanoyl)amino]-butanoic acid????18679-90-8C10H19NO5
3-(4-Sulfamoyl-phenylcarbamoyl)-acrylic acid3-(4-????-??????)-????1886-79-9C10H10N2O5S
4-(Bromophenyl)arsonic acidP-????????55048-80-1C6H6AsBrO3
Bacteriochlorophyll froM RhodopseudoMonas sphaeroides (under argon)????????17499-98-8C55H74MgN4O6
2-Chloro-5-trifluoromethyl-[1,3,4]thiadiazole2-???-5-????????-1,3,4-?????53645-98-0C3ClF3N2S
3,4-Dichloro-3',4'-difluorobenzophenone3,4-????-3',4'-?????????844885-31-0C13H6Cl2F2O
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