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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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DiMethyl Sulfate-d615199-43-6C2D6O4S
3-Fluoro-5-methoxyaniline 98%3-????-5-??????2339-58-4C7H8FNO
3,5-Difluorophenacyl bromide 98%3,5-?????????????220607-75-0C8H5BrF2O
2-(isobutylsulfonyl)ethanamine(SALTDATA: FREE)2-(???????)????(?????:??)1092280-20-0C6H15NO2S
6-methylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid(SALTDATA: FREE)6-??????[1,5-a]????-2-?????(SALTDATA:FREE)889939-98-4C8H7N3O2
2-Methylcyclopropanemethanol, mixture of cis and trans, 98%6077-72-1C5H10O
Tetrakis(diMethylaMino)ethylene?????(??????)???996-70-3C10H24N4
(S)-3-Isopropyl-2,5-piperazinedione, 99%(S)-3-?????-2,5-??????16944-60-8C7H12N2O2
Methyl (E)-3-fluorocinnamate??(E)-3-?????????74325-03-4C10H9FO2
2-Amino-4-methyl-thiazole-5-carboxylic acid ethylester hydrochloride??2-???-4-??-1,3-???-5-?????????53266-92-5C7H11ClN2O2S
4-isopropyl-2-pyrimidinamine(SALTDATA: FREE)2-??????,4-(1-????)-(9CI)5782-70-7C7H11N3
17-(Allylamino)-17-demethoxygeldanamycin75747-14-7C31H43N3O8
gamma-L-Glutamic acid 7-amido-4-methylcoumarin hydrate, 99%72669-53-5C15H16N2O5
Ethyl 4-chloroquinazoline-2-carboxylate??4-???-2-???????????34632-69-4C11H9ClN2O2
o-AcetanisidideN-(2-?????)??????93-26-5C9H11NO2
2-Methoxythiazole, 98%14542-13-3C4H5NOS
Phenyltetramethylenesulfonium hexafluorophosphate??????????????????????82135-88-4C10H13F6PS
2-Nitro-5-bromopyridine, 98%39856-50-3C5H3BrN2O2
4-Fluoro-3-(trifluoromethyl)benzaldehyde, 97%4-????-3-(????????)??????67515-60-0C8H4F4O
Methyl (2S,4R)-4-aminopyrrolidine-2-carboxylate hydrochloride, N1-BOC protected334999-32-5C11H21ClN2O4
5-(3-Bromophenyl)-3-methyl-1,2,4-oxadiazole , 97%5-(3-?????)-3-??-1,2,4-?????160377-58-2C9H7BrN2O
(4-bromobenzyl)tert-butylamine(SALTDATA: HCl)N-(4-?????)-N-(tert-??)??87384-76-7C11H16BrN
[(1,1-Dimethylpropyl)amino](oxo)acetic acid[(1,1-??????)???](??)????1015846-69-1C7H13NO3
2-Nonanone, 99%???(2-)821-55-6C9H18O
5-Bromo-2-chloro-4,6-dimethylnicotinonitrile, 97%5-???-2-???-4,6-??????????42951-71-3C8H6BrClN2
4-allyl-5-[1-(2,3-dimethylphenoxy)ethyl]-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)667413-66-3C15H19N3OS
(4-methoxybenzyl)[4-(methylthio)benzyl]amine(SALTDATA: HCl)(4-???-??)-(4-?????-??)-??355381-56-5C16H19NOS
Isoindoline496-12-8C8H9N
Ethyl (S)-(+)-3-Hydroxybutyrate??(S)-3-??????????56816-01-4C6H12O3
N-Boc-3-pyrrolidinone, 98%101385-93-7C9H15NO3
2-BroMo-N-MethylbenzenesulfonaMide2-???-N-?????????98192-14-4C7H8BrNO2S
5-Bromo-2-(trifluoromethoxy)benzaldehyde5-???-2-(????????)??????923281-52-1C8H4BrF3O2
2,2'-Methylenebis(4-Methylphenol)2,2'-?????(4-????)3236-63-3C15H16O2
4-Iodobenzyl alcohol, 97%18282-51-4C7H7IO
2-chloro-N-[5-(methoxymethyl)-1,3,4-thiadiazol-2-yl]acetamide(SALTDATA: FREE)2-CHLORO-N-(5-METHOXYMETHYL-[1,3,4]THIADIAZOL-2-YL)-??????876710-55-3C6H8ClN3O2S
EriochroMe Black A???????A3618-58-4C20H12N3NaO7S
[2-(4-Methoxy-phenyl)-ethyl]-(4-methylsulfanyl-benzyl)-amine[2-(4-???-??)-??]-(4-?????-??)-??331970-71-9C17H21NOS
3-Amino-6-methyl-4-(trifluoromethyl)-thieno[2,3-b]pyridine-2-carbonitrile317840-08-7C10H6F3N3S
5-Nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid5-???????,???????,9860779-49-9C5H2KN3O6·H2O
6-Bromocyclohex-4-ene-1,2,3-triol42014-74-4C6H9BrO3
3-Oxo-4-aza-5-alpha-androstane-17-beta-N-t-butylcarboxaMide?????????98319-24-5C23H38N2O2
4-[2-(Piperazin-1-yl)-acetyl]-morpholine, 98%4-[2-(PIPERAZIN-1-YL)-???]-???39890-46-5C10H19N3O2
1-Fluorooctane463-11-6C8H17F
2-Thiomorpholinoisonicotinaldehyde, 97%2-(??????-4-?)?????????898289-24-2C10H12N2OS
4-Ethoxy-2-(trifluoromethyl)aniline????,4-???-2-(????????)-(9CI)121307-27-5C9H10F3NO
1-n-Propyl-4-cyclopropylaMinopiperidine387358-45-4C11H22N2
4-(3,5-Dimethyl-1H-pyrazol-1-yl)benzyl alcohol 97%[4-(3,5-???-1H-???-1-?)??]???934570-55-5C12H14N2O
5-Propyl-1H-pyrazol-3-ylamine, 97%1H-???-3-??,5-???-(9CI)126748-58-1C6H11N3
1-(3-pyridinyl)-1-propanamine(SALTDATA: FREE)1-???-3-????-1-??60289-67-0C8H12N2
N-Ethyl-o-crotonotoluidideN-??-o-?????????124236-29-9C13H17NO
4-Acetamidobenzaldehyde, 98%4-????????????122-85-0C9H9NO2
4,5-dichloro-2-methylbenzenesulfonyl chloride(SALTDATA: FREE)4,5-????-2-????????????(SALTDATA:FREE)1215295-88-7C7H5Cl3O2S
L-Asparagine monohydrate, 98%5794-13-8C4H10N2O4
2-[(4-fluorobenzyl)amino]ethanol(SALTDATA: FREE)2-(4-?????????)???22116-33-2C9H12FNO
Diethyl tetradecanedioate, 99%?????????????19812-63-6C18H34O4
N-{4-[5-(Chloromethyl)-1,3-oxazolidin-2-yl]-phenyl}-N,N-dimethylamine4-(5-?????-?????-2-YL)-??]-???-??17996-49-5C12H17ClN2O
Tartaric acid, 99.5%DL-????133-37-9C4H6O6
1,8-Octanedithiol, 97.5%1191-62-4C8H18S2
(1S,2S)-2-[(4R,11bS)-3,5-Dihydro-4H-dinaphtho[2,1-c:1',2'-e]phosphepin-4-yl]-1,2-diphenylethanamine, min. 97%1092064-02-2C36H30NP
Chloro(bis-pentafluoroethyl)phosphine???(??-????????)???35449-89-9C4ClF10P
Isobutyl 4-AMinobenzoate4-???????????????94-14-4C11H15NO2
Tetrathiafulvalene - 7,7,8,8-TetracyanoquinodiMethane CoMplex40210-84-2C18H8N4S4
4-Hydroxyindole, 98%4-??????2380-94-1C8H7NO
Cupferron, 98%, indicator???135-20-6C6H9N3O2
Methyl 6-(trifluoromethyl)nicotinoylacetate 97%386704-15-0C10H8F3NO3
5-BroMo-3-fluoro-2-Methoxypyridine124432-70-8C6H5BrFNO
N-(4-ethoxybenzyl)cyclopropanamine(SALTDATA: HCl)N-(4-?????)?????????892571-13-0C12H17NO
Aluminium fluoride trihydrate, extra pure, 97%??????????15098-87-0AlF3H6O3
4-(Trifluoromethyl)pyridine-3-carboxylic acid hydrazide 95+%175204-84-9C7H6F3N3O
Ethyl o-tolylacetate, 98%??????(???)??????40291-39-2C11H14O2
7-Amino-2,3-dihydro-benzo[1,4]dioxine-6-carboxylic acid7-???-2,3-?????-??[1,4]???-6-?????99358-09-5C9H9NO4
Triethylamine borane, 97%1722-26-5C6H18BN
Nickel(II) chloride, dimethoxyethane adduct, min. 97%????,?????????29046-78-4C4H10Cl2NiO2
1-(2-phenylethyl)piperazin-2-one(SALTDATA: HCl)190953-69-6C12H16N2O
1,5-Diphenyl-3-(2-thienyl)forMazan135984-01-9C17H14N4S
2-bromo-5-methoxypyrazine, 95%2-???-5-??????143250-10-6C5H5BrN2O
5-chloro-2-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one(SALTDATA: FREE)22354-86-5C3H4ClN3O
Boc-(RS)-2-amino-3-hydroxy-3-methylbutanoic acid105504-72-1C10H19NO5
1-Boc-4-chloro-piperidineN-BOC-4-???-????154874-94-9C10H18ClNO2
N-BOC-erythro-L-beta-Methylphenylalanine, 97%N-BOC-????-L-??-??????90731-57-0C15H21NO4
Methyl 2-amino-5-bromonicotinate50735-34-7C7H7BrN2O2
4-(1H-pyrazol-5-yl)benzoic acid(SALTDATA: FREE)3-(4-??????)???208511-67-5C10H8N2O2
N-(2-acetylphenyl)-3-chloropropanamide(SALTDATA: FREE)18014-78-3C11H12ClNO2
2-Ethylterephthalonitrile , 97%1,4-????-2-????175278-32-7C10H8N2
2-Naphthalenethiol, 98%2-??????91-60-1C10H8S
Tetradecyl isothiocyanate?????????????3224-48-4C15H29NS
4-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)isoquinoline, 97%ISOQUINOLINE-4-BORONICACID2,2-DIMETHYLPROPANEDIOL-1,3??????844891-01-6C14H16BNO2
3-CarbaMoyl-2,2,5,5-tetraMethyl-3-pyrrolidine-1-yloxy4399-80-8C9H17N2O2*
O-(2,3,4,5,6-Pentafluorobenzyl)hydroxylamine hydrochloride, 99%, derivatization grade57981-02-9C7H5ClF5NO
(R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethylamine(R)-1-[3,5-BIS(????????)??]????127733-47-5C10H9F6N
2-Nonynoic Acid2-????1846-70-4C9H14O2
Sodium 2,4,5-trifluorobenzoate522651-48-5C7H2F3NaO2
5-Bromopyridine-3-carbohydrazide, 97%112193-41-6C6H6BrN3O
3',4'-dihydro-2'H-spiro[cyclopentane-1,1'-pyrrolo[1,2-a]pyrazine](SALTDATA: FREE)1210719-18-8C11H16N2
1H,1H,2H,2H-Perfluorooctyltrimethoxysilane, 96%1H, 1H, 2H, 2H- ?? ??? ?? ?? ? ?? ??85857-16-5C11H13F13O3Si
H-Lys(Z)-OH, 98%1155-64-2C14H20N2O4
2-(2-Hydroxyethylamino)-2-(hydroxymethyl)-1,3-propanediol, 99%2-(2-??????????)-2-(???????)-1,3-?????7343-51-3C6H15NO4
Methyl 5-(AMinosulfonyl)-2-Methoxybenzoate33045-52-2C9H11NO5S
3',5'-Dimethoxyacetophenone, 97%39151-19-4C10H12O3
1,4-Dimethylpiperazine-2-carbohydrazide , 95%1,4-???????-2-????175203-52-8C7H16N4O
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