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J & K SCIENTIFIC LTD.??? ?? ??? ?????.

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
? ?? ?:96815
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4,4'-Dinitrobibenzyl, 95%p,p-???????736-30-1C14H12N2O4
Methyl 1-(4-chlorophenyl)-5-(2-methoxy-2-oxoethyl) 1H-1,2,3-triazole-4-carboxylate114462-77-0C13H12ClN3O4
5,6,7,8-Tetrahydro-2-naphthol, 98%1125-78-6C10H12O
3,4-Dichloro-3'-Methylbenzophenone844885-24-1C14H10Cl2O
Tristearyl Phosphite??? ??????2082-80-6C54H111O3P
Acenaphthenequinone DioxiMe??????????1932-08-7C12H8N2O2
Leucine Dehydrogenase, 25 units/Mg9082-71-7
2-Chloro-5-hydroxybenzeneboronic Acid2-???-5-????????????98913835-71-9C6H6BClO3
N-methyl-1-(1-phenyl-1H-tetrazol-5-yl)cyclohexanamine(SALTDATA: FREE)400746-92-1C14H19N5
n-Hexanal dimethylacetal, 98+%1599-47-9C8H18O2
2'-Deoxycytidine 5'-triphosphate disodium salt, 98%2'-??????-5'-?????????102783-51-7C9H17N3NaO13P3
Bathophenanthrolinedisulfonic acid disodium salt hydrate, 98%52746-49-3C24H14N2O6S2.2Na
Nalidixic acid, 99%?????389-08-2C12H12N2O3
Calcium iodide hydrate, min. 98%71626-98-7CaH2I2O
2-Bromomethyl-benzoic acid, 97%7115-89-1C8H7BrO2
CloMethiazoluM??????533-45-9C6H8ClNS
2-Chloro-5-Methylbenzonitrile2-???-5-???????4387-32-0C8H6ClN
TriaMMoniuM 4-Sulfophthalate (contains 3-Sulfophthalate)22411-24-1C8H15N3O7S
TrivinylMethylsilane18244-95-6C7H12Si
Nickel(II) iodide, anhydrous (99.5%-Ni)13462-90-3I2Ni
(S)-(+)-4,12-Bis(di(3,5-xylyl)phosphino)-[2.2]-paracyclophane, min. 97% CTH-(S)-3,5-xylyl-PHANEPHOS325168-88-5C48H50P2
2-Ethyl-p-xylene2-??-P-???1758-88-9C10H14
Methyl 2-bromobutyrate, 97%2-???-????????????3196-15-4C5H9BrO2
3,5-Difluoro-D-phenylalanine, N-FMOC protected205526-25-6C24H19F2NO4
β-tri-Calcium phosphate, 98%, medical grade, β-phase, 5 - 10 μm?? ??, ????7758-87-4Ca3O8P2
2-Amino-4-trifluoromethyl-pyrimidine-5-carboxylic acid, 97%149771-23-3C6H4F3N3O2
6-bromo-8-methoxyimidazo[1,2-a]pyrazine, 95%6-???-8-???????[1,2-A]???63744-25-2C7H6BrN3O
4-(DiMethylaMino)-3'-Methylazobenzene3'-??-4-??????????55-80-1C15H17N3
9-Ethylcarbazole-3-carboxaldehyde Diphenylhydrazone73276-70-7C27H23N3
1-(4-AMinophenyl)-2,2,2-trifluoro-1-ethanone1-(4-?????)-2,2,2-TRIFLUORO-1-ETHANONE23516-79-2C8H6F3NO
Nicotine Bi-L-(+)-tartrate Dihydrate2624-48-8C18H26N2O12
2-AMino-4-chloro-5-nitrophenol6358-07-2C6H5ClN2O3
Benzo-12-crown 4-Ether, 98%14174-08-4C12H16O4
CyanoMethylenetributylphosphorane157141-27-0C14H28NP
(1S,2R)-2-(iso-Propylamino)-1,2-diphenylethanol(1S,2R)-2-(????????)-1,2-??????142508-07-4C17H21NO
4-chloro-6-ethyl-N,N-dimethylpyrimidin-2-amine(SALTDATA: FREE)4-???-6-??-N,N-???????-2-??71406-66-1C8H12ClN3
2-amino-N,3-dimethylbenzamide(SALTDATA: FREE)??2-???-3-???????870997-57-2C9H12N2O
2-tert-AMylphenol2-(1,1-???????)??3279-27-4C11H16O
4-Bromo-5-fluoro-2-nitrotoluene, 98%224185-19-7C7H5BrFNO2
4,4'-Dibromotriphenylamine, 98%4,4'-??????????81090-53-1C18H13Br2N
DichlorododecylMethylsilane???????????18407-07-3C13H28Cl2Si
sec-Butyl Butyratesec-???????819-97-6C8H16O2
8-Benzyloxy-5-(2-broMoacetyl)-2(1H)-quinolinone8-????-5-(2-??????)-2-????????100331-89-3C18H14BrNO3
4-BroMo-3',5'-diMethylbenzophenone(4-?????)-(3,5-?????)-???844879-16-9C15H13BrO
2-[4-(Trifluoromethyl)phenyl]-1,3-thiazole-4-carbonyl chloride 97%857284-28-7C11H5ClF3NOS
2-Fluoro-5-MethyldiphenylaMine2-????-5-???????155310-23-9C13H12FN
3-Bromo-1,2,4-thiadiazol-5-amine3-???-1,2,4-?????-5-??1101173-93-6C2H2BrN3S
alpha-Chlorocinnamaldehyde, 90+%18365-42-9C9H7ClO
1-[(4-BroMobenzene)sulfonyl]pyrrolidine136350-52-2C10H12BrNO2S
(R)-N-FMOC-(2-Bromoallyl)glycine, 98% ee, 95%FMOC-D-2-AMINO-4-BROMO-4-???220497-92-7C20H18BrNO4
5-Chloro-2,4-diaminoquinazoline5-???-????-2,4-???17511-21-6C8H7ClN4
3-Methyl-1,2-butadiene3-??-1,3-????598-25-4C5H8
PotassiuM isopropyltrifluoroborate1041642-13-0C3H7BF3K
4-Chloro-3-methylanisole, 99%4-???-3-?????13334-71-9C8H9ClO
p-Anisidine-2-sulfonic Acid4-???-2-?????13244-33-2C7H9NO4S
T-2 Toxin, 99%, from Fusarium tricinctum21259-20-1C24H34O9
2,6-Di-O-palMitoyl-L-ascorbic Acid???????????4218-81-9C38H68O8
6-Methylpyrimidin-4-amine, 95%3435-28-7C5H7N3
Cinchonidine dihydrochloride, 98%24302-67-8C19H23ClN2O
3-Chlorophenylacetone14123-60-5C9H9ClO
Manganese(II) sulfide (99.9%-Mn)?? ??(II)18820-29-6MnS
3,5-Dibenzyloxybenzoic Acid3,5-????????28917-43-3C21H18O4
1,4-Naphthoquinone, 99%1,4-?????130-15-4C10H6O2
Attapulgite?? ???? ????12174-11-72Al.3Mg.6O3Si
3-(4-iodophenyl)-6-methoxy-2H-chromen-2-one(SALTDATA: FREE)???AU36-M420419540-74-2C16H11IO3
3-(DiMethylaMino)propanoic acid6300-04-5C5H11NO2
o-Toluidine-4-sulfonic Acid SodiuM Salt TetrahydrateO-???-4-???????63450-43-1C7H8NNaO3S
Potassium hexafluorogermanate????????7783-73-5F6GeK-
1,2-Bis(2-iodoethoxy)ethane (stabilized with Copper chip)1,2-??(2-???????)??36839-55-1C6H12I2O2
1-Iodoundecane1-??????4282-44-4C11H23I
Benzylidene-2-naphthylaMine????-2-?????891-32-7C17H13N
Calcium hexafluoroacetylacetonate dihydrate, 97%?????????????????????203863-17-6C10H6CaF12O6
1-Indan-1-yl-piperazine, 98%185678-56-2C13H18N2
Allyl hexanoate, 99%???? ??123-68-2C9H16O2
(R)-(-)-3-Hydroxy-2-methylpropionic acid methyl ester, 99%, ee: 98%72657-23-9C5H10O3
4,4'-Azobis(4-cyanovaleric acid), 98%????(??????)2638-94-0C12H16N4O4
Oxytetracycline dihydrate, 98%6153-64-6C22H26N2O10
DL-2-AMinosuberic Acid19641-59-9C8H15NO4
Genistin, 99%, from soybean????529-59-9C21H20O10
3-(Benzyloxy)-2,6-difluorobenzeneboronic acid 98%3-(????)-2,6-??????????870718-07-3C13H11BF2O3
benzyl 3-formylpiperidine-1-carboxylate, 95%3-???-????-1-???????????201478-72-0C14H17NO3
Bis(i-propylcyclopentadienyl)titanium dichloride, min. 98%BIS(I-????????????)??????12130-65-3C16H22Cl2Ti10*
6-Fluoro-4-hydrazinoquinoline6-????-4-????????49612-09-1C9H8FN3
(R)-4-Benzyl-3-cyanomethylmorpholine(R)-4-??-3-?????????917572-29-3C13H16N2O
N-(2-methoxybenzyl)butan-1-amine(SALTDATA: HCl)893611-23-9C12H19NO
4-(3-Methyl-ureido)-benzenesulfonyl chloride4-(3-??-????)-??????????677326-97-5C8H9ClN2O3S
Ethyl 2-chloro-2-[2-(2-fluorophenyl)hydrazono]-acetate??2-???-2-[2-(2-??????)?????]-?????64989-74-8C10H10ClFN2O2
2,6-Dimethyl-D,L-tyrosine2,6-???-D,L-???81806-45-3C11H15NO3
Tetrakis(Methylthio)tetrathiafulvalene [Organic Electronic Material]?????(????)????????51501-77-0C10H12S8
2-(2-Aminophenyl)-4-hydroxymethylthiazole[2-(2-???-??)-???-4-YL]-???658076-79-0C10H10N2OS
2,2,3,3,4,4,4-Heptafluorobutyl trifluoromethanesulfonate1H,1H-??????????????6401-01-0C5H2F10O3S
Phenylmethylvinylchlorosilane17306-05-7C9H11ClSi
5-Bromo-2-methyl-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine1111638-01-7C14H11BrN2O2S
3,4-Dichloro-3',5'-difluorobenzophenone3,4-????-3',5'-?????????844885-16-1C13H6Cl2F2O
(2,6-DiMethyl-Morpholin-4-yl)-acetic acidhydrochloride(2R,6S)-(2,6-???-????-4-?)-????142893-66-1C8H15NO3
5-bromo-3-ethoxy-2-hydroxybenzaldehyde(SALTDATA: FREE)5-???-3-???-2-???????????20035-44-3C9H9BrO3
Pentafluorophenyl isoquinoline-4-carboxylate, 97%?????????????-4-???????944450-77-5C16H6F5NO2
N-(CyclobutylMethyl)(phenyl)MethanaMineN-(????????)(??)???356539-83-8C12H17N
Deuteroporphyrin IX 2,4-disulfonic acid dihydrochloride???????IX2,4-?????????????623946-74-7C30H32Cl2N4O10S2
1-Naphthoyl Cyanide1-????????14271-86-4C12H7NO
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