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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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Oleoyl Chloride?? ?? ?????112-77-6C18H33ClO
3-Ethylpiperidine3-??????13603-10-6C7H15N
1-(4-Fluorophenyl)-1-methylethylamine, 97%17797-10-3C9H12FN
2-(4-Chlorophenyl)-thioacetamide, 98%17518-48-8C8H8ClNS
Cerium(III) bromide, anhydrous (99.9%-Ce) (REO)???-AEium(III)?????14457-87-5Br3Ce
4-Methoxytrityl chloride, 98%14470-28-1C20H17ClO
3-phenyl-1-piperidin-4-ylpropan-1-ol(SALTDATA: FREE)24152-52-1C14H21NO
Z-Val-OSu3496-11-5C17H20N2O6
3-(Thiophen-2-yl)propionic Acid3-(2-???)?????5928-51-8C7H8O2S
1,3-Dimethyl-1H-pyrazole-5-carbonyl chloride, 97%1,3-???-1H-???-5-?????????55458-67-8C6H7ClN2O
Cerium(III) iodide hydrate???-AEium(III)?????7790-87-6CeI3
2-(2,3-dihydro-1H-indol-1-yl)ethanamine(SALTDATA: 2HCl)2-(2,3-DIHYDRO-1H-INDOL-1-YL)???46006-95-5C10H14N2
Dicyclohexano-18-crown 6-Ether??????-18-CROWN-616069-36-6C20H36O6
5-Amino-1-(3-chloro-phenyl)-1 H -pyrazole-4-carboxylic acid15070-84-5C10H8ClN3O2
2-Bromo-3-hexylthiophene, 98%69249-61-2C10H15BrS
2-(2'-Nitrophenylsulphenyl)-3-methyl-3-bromoindolenineBNPS-????27933-36-4C15H11BrN2O2S
2,6-Dichlorofluorobenzene2268-05-5C6H3Cl2F
(2-chloroethyl)methylamine(SALTDATA: FREE)(2-???-??)-??-??32315-92-7C3H8ClN
5-Fluorooxindole, 98%5-????-2-???56341-41-4C8H6FNO
5-propyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylic acid(SALTDATA: FREE)667436-13-7C12H16O2S
Manganese(II) phthalocyanine, min. 97%14325-24-7C32H16MnN8
4,5-diphenyl-4H-1,2,4-triazole-3-thiol4,5-???-4H-1,2,4-????-3-??6596-82-3C14H11N3S
Astrazon Orange R4657-00-5C28H27ClN2
2-(Dimethylamino)nicotinonitrile60138-76-3C8H9N3
3-(1H-imidazol-1-yl)propanoic acid(SALTDATA: FREE)3-????-1-YL-?????18999-45-6C6H8N2O2
2-Bromo-5-(trifluoromethoxy)aniline2-???-5-(?????????)???887267-47-2C7H5BrF3NO
2,5-Difluorobenzotrifluoride, 98%393-38-4C7H3F5
3-BroMo-1,1,1-trifluoropropane460-32-2C3H4BrF3
2-Carboxyphenylboronic acid, 98%149105-19-1C7H7BO4
AMinoacetaMidine DihydrobroMide69816-37-1C2H9Br2N3
1-Methyl 2-nitroterephthalate, 97%35092-89-8C9H7NO6
2-Fluoro-5-(trifluoromethyl)benzaldehyde, 97%2-????-5-(?????????)??????146137-78-2C8H4F4O
3-Chloro-4-iodopyridine77332-79-7C5H3ClIN
D-Glucuronic acid, 98%?????6556-12-3C6H10O7
2-(Ethylthio)nicotinic acid, 97%2-(????)?????27868-76-4C8H9NO2S
N4-Benzoyl-3',5'-O-(1,1,3,3-tetraisopropyl-1,3-disiloxanediyl)cytidine69304-43-4C28H43N3O7Si2
3-Fluoro-4-formylbenzonitrile 99%105942-10-7C8H4FNO
7H-Pyrrolo[2,3-d]pyrimidin-4-amine sulfuric acid4-???-7H-???[2,3-d]?????????856600-01-6C6H8N4
Dimethyl 2,2-dimethylpentanedioate???2,2-?????????13051-32-6C9H16O4
2-Aminoacetophenone hydrochloride, 98%5468-37-1C8H10ClNO
5-Amino-2-chloro-4-fluorophenol84478-72-8C6H5ClFNO
(S)-(-)-2-(N-Boc-amino)-1,5-pentanediol(S)-(-)-N-Boc-2-???-1,5-????162955-48-8C10H21NO4
n-Butylmagnesium chloride, 2.0M solution in diethyl ether, J&KSeal??????693-04-9C4H9ClMg
1-(2-Bromoethyl)pyrrolidine hydrobromide1-(2-?????)????HBR80819-91-6C6H13Br2N
[3-(Trifluoromethyl)benzylsulphonyl]thioacetamide 97%2-[3-(????????)?????]????????175276-83-2C10H10F3NO2S2
2-methoxypyridine-3-carbonitrile, 95%7254-34-4C7H6N2O
2,4-DiMethyl-5-phenylthiophene2,4-???-5-?????57021-49-5C12H12S
1-N-Ethoxycarbonyl-3-pyrrolidone1-N-???????-3-????14891-10-2C7H11NO3
1,3-Dibenzylidene-2-cyclohexanone897-78-9C20H18O
N-PhenyldiethanolaMine2-2'-(?????)????120-07-0C10H15NO2
L-Valinol, 98%, ee: 95%L-???2026-48-4C5H13NO
tert-Butoxyacetic acidtert-?????13211-32-0C6H12O3
2-Fluoropyridine-4-carbonyl chloride, 98%65352-95-6C6H3ClFNO
L-Citrulline, 98%????372-75-8C6H13N3O3
5-Chloro-1,3,3-trimethyl-2-methyleneindoline, 96%5-???-2-???-1,3,3-???????6872-17-9C12H14ClN
4-Iodo-2-methylaniline, 97%13194-68-8C7H8IN
ethyl 1-ethyl-4-oxo-3-piperidinecarboxylate hydrochloride(SALTDATA: HCl)??1-??-4-??-3-?????????????99329-51-8C10H17NO3
5-Chloro-2-iodobenzotrifluoride, 98%23399-77-1C7H3ClF3I
2-Methoxy-4-morpholinoaniline2-???-4-????????209960-91-8C11H16N2O2
5-Bromo-3-iodo-2-methoxy-pyridine5-???-3-???-2-??????578007-66-6C6H5BrINO
6-Chloro-2-methyl-4-nitroaniline, 97%2-???-6-??-4-??????69951-02-6C7H7ClN2O2
Cyanoacetamide, 99%2-?????????107-91-5C3H4N2O
1-Bromo-2,5-dimethoxybenzene, 98%1-???-2,5-??????25245-34-5C8H9BrO2
3-(3,4-Dimethylphenyl)propionic acid3-(3,4-?????)?????25173-76-6C11H14O2
Boc-(R)-3-amino-4-(2-cyanophenyl)-butyric acid269726-80-9C16H20N2O4
3,4-Dihydro-3-oxo-2H-1,4-benzoxazine-6-sulphonyl chloride31794-45-3C8H6ClNO4S
Boc-3-iodo-L-phenylalanine273221-75-3C14H18INO4
3-(tert-Butoxycarboxy)benzeneboronic acid 97%3-(TERT-BUTOXYCARBONYL)?????380430-69-3C11H15BO5
3-Methyl-5-phenylpyridine3-??-5-?????10477-94-8C12H11N
5-bromo-1H-benzo[d]imidazole-2-carboxylic acid, 95%5-???-1H-??????-2-????40197-20-4C8H5BrN2O2
Metanil Yellow??? ??587-98-4C18H15N3O3S.Na
Methoxyphenazine-Methosulfate research grade(D-TYR11)-?????65162-13-2C15H16N2O5S
4-Pyrimidinecarboxylic acid, 1,6-dihydro-6-oxo-, ethyl ester4-?????????,1,6-????-6-??-,??????(9CI)223788-14-5C7H8N2O3
Mefenamic acid, 98%????61-68-7C15H15NO2
β-Nicotinamide adenine dinucleotide, 98%????????? ???????53-84-9C21H27N7O14P2
3-Methyl-1H-indole-5-carboxylic acid3-??-1H-??-5-?????588688-44-2C10H9NO2
5-Methyl-2-thiophenecarboxylic acid hydrazide5-??-2-?????????????126768-40-9C6H8N2OS
3-Bromothiophene, 97%3-??????872-31-1C4H3BrS
3,4-Di-O-acetyl-6-deoxy-L-glucal, 98%34819-86-8C10H14O5
5-Pyrrolidin-1-ylpyridine-2-carbaldehyde, 97%5-????-1-????-2-??????892501-98-3C10H12N2O
6-Benzylaminopurine, 99%6-???????1214-39-7C12H11N5
3,3,3-Trifluoroprop-1-ene 99%677-21-4C3H3F3
4-Carboxybenzaldehyde, 97%619-66-9C8H6O3
6-(4-Chlorophenyl)-1,3,5-triazine-2,4-diamine , 97%2,4-????-6-(4-?????)-1,3,5-????4514-53-8C9H8ClN5
2,2',3,3',5,5',6,6'-Octafluorobiphenyl3883-86-1C12H2F8
4-Aminomethyl-2-fluorobenzonitrile368426-73-7C8H7FN2
Imidazo[1,2-a]pyridine-6-carbonyl chloride hydrochloride, Tech.????[1,2-A]???-6-??????????859833-15-1C8H6Cl2N2O
N-(1,3-Benzodioxol-5-ylmethyl)-N-methylamine, 97%N-(1,3-?????-5-???)-N-????15205-27-3C9H11NO2
5-Bromo-4-chloro-3-indolyl β-D-glucopyranoside, 98%15548-60-4C14H15BrClNO6
4,5-Bis(trifluoromethyl)-2-chloropyridine, tech.2-???-4,5-??(????????)???109919-25-7C7H2ClF6N
3-(2-Furyl)-1H-pyrazol-5-amine, 95%3-(2-??)-1H-???-5-??96799-02-9C7H7N3O
3-[(Dimethylamino)sulfonyl]benzenecarboxylic acid3-???????-???7326-73-0C9H11NO4S
N-(tert-butyl)-3-phenyl-2-propyn-1-amine(SALTDATA: HCl)N-(TERT-BUTYL)-3-PHENYLPROP-2-YN-1-??73402-80-9C13H17N
4-BroMo-3'-fluoro-4'-Methoxybenzophenone4-???-3-????-4'-???????161581-93-7C14H10BrFO2
1-[4-(Methylsulfonyl)phenyl]piperazine1-[4-(?????)??]????187669-60-9C11H16N2O2S
Allyl(chloroMethyl)diMethylsilane33558-75-7C6H13ClSi
1H,1H,2H-Heptafluoropent-1-ene71164-40-4C5H3F7
2-Chloro-1-(2,5-dimethyl-3-thienyl)ethanone2-???-1-(2,5-????-3-?)???31772-43-7C8H9ClOS
5-[(Benzoylamino)methyl]thiophene-2-sulfonyl chloride , 97%5-[(??????)??]???-2-????????138872-44-3C12H10ClNO3S2
2-(Acetyloxy)-3-methylbenzoic acid, 97%2-(?????)-3-?????4386-39-4C10H10O4
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