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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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1,2-Benzisoxazol-3-amine, 97%3-???-1,2-??????36216-80-5C7H6N2O
[1,4]Oxazepane, 98%1,4-????(?????:HCl)5638-60-8C5H11NO
3-(Trifluoromethyl)benzyl alcohol, 98%???????-3????349-75-7C8H7F3O
(12a,18a)-5,6,12,12a,13,18,18a,19-Octahydro-5,6-dimethyl-13,18[1',2']-benzenobisbenzimidazo [1,2-b:2',1'-d]benzo[i][2.5]benzodiazocine potassium triflate adduct958004-04-1C34H30N4
4-(1-Cbz-Piperidin-4-yl)-butyric acid4-(1-CBZ-????-4-YL)-????204139-61-7C17H23NO4
N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine205445-51-8C14H17F2NO4
SodiuM 2,4-Dichlorophenoxyacetate Monohydrate2,4-??????????? ???2702-72-9C8H5Cl2NaO3
2-(2-Fluorobenzyl)acetoacetic acid ethyl ester2-(2-??????)??????????24106-86-3C13H15FO3
3-(1H-pyrrol-1-yl)-1-propanamine(SALTDATA: FREE)3-(1H-??-1-?)-1-?????(?????:??)60794-90-3C7H12N2
2'-(DibenzylaMino)-6'-(diethylaMino)fluoran2'-(??????)-6'-(??????)????34372-72-0C38H34N2O3
5-Chloro-4-methoxythiophene-3-carboxylic acid5-???-4-??????-3-?????133659-14-0C6H5ClO3S
Diethyl glutarate, 98%818-38-2C9H16O4
Ginsenoside Rh2, 98%78214-33-2C36H62O8
Hydroquinone bis(2-hydroxyethyl) ether, 96%????? ??(2-??????)??104-38-1C10H14O4
Azobenzene, 98%????103-33-3C12H10N2
methyl 2-amino-4-(4-sec-butylphenyl)thiophene-3-carboxylate(SALTDATA: FREE)350990-15-7C16H19NO2S
N-Boc-DL-leucinol142121-48-0C11H23NO3
Azelaoyl Chloride123-98-8C9H14Cl2O2
2,2-Difluoroethyl acetate2,2-????????????1550-44-3C4H6F2O2
2-Methyl-5-(piperidin-1-ylsulphonyl)benzeneboronic acid 98%2-??-5-(????-1-????)???871333-00-5C12H18BNO4S
3-ethoxy-4-[(2-methyl-2-propen-1-yl)oxy]benzaldehyde(SALTDATA: FREE)363186-13-4C13H16O3
4-BroMostilbene4-??????4714-24-3C14H11Br
2-Phenylbenzhydrazide2-???????????154660-48-7C13H12N2O
L-(-)-Talose23567-25-1C6H12O6
1-(3-bromopropyl)-1H-imidazole(SALTDATA: HBr)1-(3-??????)-1H-????(SALTDATA:HBr)144385-79-5C6H9BrN2
Eugenol, 98%???97-53-0C10H12O2
Zincon, Indicator??62625-22-3C20H17N4NaO6S
4-(1H-1,2,4-Triazol-1-yl)benzoic acid , 95%4-(1H-1,2,4-TRIAZOL-1-YL)???162848-16-0C9H7N3O2
Indole-4-boronic acid pinacol ester??-4-??????????388116-27-6C14H18BNO2
3,5-Bis(methylsulfonyl)benzenesulfonyl chloride3,5-??(?????)??????????849035-99-0C8H9ClO6S3
Mn(III) Meso-Tetra(4-sulfonatophenyl)porphine chloride (acid forM)5,10,15,20-?????(4-??????)-21H,23H-?????(III)???221176-50-7C44H28ClMnN4O12S4
1-Nitropyrene, 98%1-?????5522-43-0C16H9NO2
3-Amino-1,1,1-trifluoropropan-2-ol431-38-9C3H6F3NO
Silver thiocyanate, 99%? ???????1701-93-5CAgNS
Bis(2,2,6,6-tetramethyl-3,5-heptanedionato)oxotitanium(IV), min. 95% [OTi(TMHD)2]152248-67-4C22H38O5Ti
4-Bromo-3-fluoroiodobenzene, 98%136434-77-0C6H3BrFI
2,5-Dimethyl-1-[4-(trifluoromethyl)phenyl]-1H-pyrrole 97%2,5-???-1-[4-(????????)??]??570-05-8C13H12F3N
Propargyl Benzyl Ether4039-82-1C10H10O
2-isopropyl-2,5-dihydro-1H-pyrrole(SALTDATA: FREE)2-?????-2,5-????-1H-??(?????:??)756476-29-6C7H13N
N-(2-aminoethyl)-2-chlorobenzamide(SALTDATA: FREE)N-(2-?????)-2-????????65389-77-7C9H11ClN2O
4-Amino-5-iodo-2-methoxybenzoic acid 95+%4-???-5-???-2-??????????155928-39-5C8H8INO3
N-Methyl-n-octylaMine2439-54-5C9H21N
Methyl 3-(pyrrolidin-1-ylsulfonyl)thiophene-2-carboxylate??3-(????-1-????)???-2-???????895261-88-8C10H13NO4S2
Caffeic acid, 99%, predominantly trans????331-39-5C9H8O4
H-Gly-OtBu·HCl, 98%27532-96-3C6H14ClNO2
3-(Benzyloxy)-5-bromopyridine, 97%130722-95-1C12H10BrNO
1-Propanesulfonic acid, sodium salt monohydrate, HPLC grade, 98%304672-01-3C3H7NaO3S
Methyltriallylsilane, 97%1112-91-0C10H18Si
(2-methoxyethyl)(1-naphthylmethyl)amine(SALTDATA: HCl)884497-43-2C14H17NO
N-tert-Butoxycarbonyl-N-[3-(tert-butoxycarbonylaMino)propyl]glycine192124-66-6C15H28N2O6
1,2,3-Propanetricarbonitrile1,2,3-?????????62872-44-0C6H5N3
1-(1-piperidin-1-ylcyclohexyl)methanamine(SALTDATA: FREE)C-(1-????-1-YL-??????)-????41805-36-1C12H24N2
4,5,6-trimethyl-2-oxo-1,2-dihydro-3-pyridinecarboxylic acid(SALTDATA: FREE)4,5,6-????-2-??-1,2-????-3-????????(SALTDATA:FREE)98996-38-4C9H11NO3
n-Tetradecyldimethyl(3-trimethoxysilylpropyl)-ammonium chloride (50% in methanol)41591-87-1C22H50ClNO3Si
Trimethylhydroquinone, 97%??????????700-13-0C9H12O2
Ethyl 4-hydroxy-2-phenylpyrimidine-5-carboxylate, 97%55613-22-4C13H12N2O3
(2-bromothiazol-5-yl)methanol, 95%2-???-5-??????????687636-93-7C4H4BrNOS
1,1,2,2,3,3-Hexachloropropane1,1,2,2,3,3-????????15600-01-8C3H2Cl6
2-amino-4-(4-ethylphenyl)-5-methylthiophene-3-carbonitrile(SALTDATA: FREE)884497-32-9C14H14N2S
1-Naphthyl Butyrate??????????3121-70-8C14H14O2
2-[2-(Hydroxymethyl)phenoxy]benzenecarbonitrile2-[2-(???????)???]???????59167-65-6C14H11NO2
2-Chloro-4-isopropylpyrimidine 97%2-???-4-?????????941294-36-6C7H9ClN2
3,4-Dichloro-N-(2-hydroxyethyl)benzamide3,4-????-N-(2-???????)???????28298-26-2C9H9Cl2NO2
2,4-Dichloro-5-fluoronitrobenzene2105-59-1C6H2Cl2FNO2
4-Hydroxy-1-(pyridin-2-yl)-piperidine, 98%1-(???-2-?)????-4-?199117-78-7C10H14N2O
Chloro(chloromethyl)dimethylsilane, 98%1719-57-9C3H8Cl2Si
Diphenyltin dichloride, 97%1135-99-5C12H10Cl2Sn
7-fluoro-1H-benzo[d][1,3]oxazine-2,4-dione, 95%7-FLUORO-1-H-BENZO[D][1,3]???-2,4-DIONE321-50-6C8H4FNO3
Allyl cyclohexanepropionate, 98%??????????? ??2705-87-5C12H20O2
1-benzyl-1H-indole-5-carbonitrile(SALTDATA: FREE)1-??-1H-??-5-??????80531-13-1C16H12N2
1-(Difluoromethyl)-4-nitro-benzene1-(???????)-4-?????29848-57-5C7H5F2NO2
N-Ethyl-p-toluenesulfonaMideN-??-??-?????????80-39-7C9H13NO2S
2-(TrifluoroMethoxy)benzyl BroMide198649-68-2C8H6BrF3O
2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl 2,2,2-TrichloroacetiMidate86520-63-0C16H20Cl3NO10
5-(1-amino-1-methylethyl)-1,3,4-thiadiazol-2-amine(SALTDATA: 3HCl)1255147-42-2C5H10N4S
5,6,7,8-Tetrahydro-naphthalene-2-carboxylic acid5,6,7,8-??????-2-?????1131-63-1C11H12O2
DiacetylbenzidineN,N'-???????613-35-4C16H16N2O2
1H,1H,2H,3H,3H-Perfluoroundecane-1,2-diol 97%94159-84-9C11H7F17O2
4-Butoxyphenylacetic Acid Methyl Ester4-???????????????29056-06-2C13H18O3
Trifluoropyruvic acid, Monohydrate??????????,????????431-72-1C3HF3O3
p-Tolylhydrazine hydrochloride, 98%p-??????? ?????637-60-5C7H11ClN2
2-Bromopentafluoropropene2-????????????431-49-2C3BrF5
Thiamine pyrophosphate chloride, 98%??????????154-87-0C12H19ClN4O7P2S
Ethyl nicotinate, 97%??????????614-18-6C8H9NO2
Piperonyl alcohol, 98%495-76-1C8H8O3
3,4-Dimethoxybenzenecarbohydrazide3,4-?????????????41764-74-3C9H12N2O3
2-(Benzylsulfanyl)benzenecarboxylic acid2-(?????)???????1531-80-2C14H12O2S
Tricholine Citrate (ca. 65% in Water)546-63-4C21H47N3O10
(+)-1,2-Bis((2R,5R)-2,5-dimethylphospholano)ethane(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate, 98+% (R,R)-Me-BPE-Rh(+)-1,2-BIS((2R,5R)-2,5-DIMETHYLPHOSPHOLANO)??(CYCLOOCTADIENE)??(I)??????????305818-67-1C22H40BF4P2Rh-
2-(3-acetyl-1H-indol-1-yl)butanoic acid(SALTDATA: FREE)869949-98-4C14H15NO3
2-(3-Isocyanatophenoxy)-6-methylpyrazine, 97%3-[(6-?????-2-?)??]?????????921938-94-5C12H9N3O2
2-(3-Pyrrolidinyl)acetic acid hydrochloride3-????????89203-64-5C6H11NO2
6-bromo-1,3-dichloroisoquinoline, 95%552331-05-2C9H4BrCl2N
Piperazine DL-Malate14852-14-3C8H16N2O5
3-Chloro-2-methoxypyridine-4-boronic acid957060-88-7C6H7BClNO3
Calcium oxalate monohydrate, extra pure, 98%5794-28-5C2H2CaO5
Mercaptomethylmethyldiethoxysilane??????????????55161-63-2C6H16O2SSi
4-Iodo-2-(trifluoromethyl)pyridine 97%590371-73-6C6H3F3IN
Methyl-(1-pyrrolidin-1-ylmethyl-cyclohexyl)-amineMETHYL-(1-PYRROLIDIN-1-YLMETHYL-CYCLOHEXYL)-??675602-55-8C12H24N2
2',4'-DiMethoxyacetoacetanilide2',4'-????????????????16715-79-0C12H15NO4
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