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

?? ?:J & K SCIENTIFIC LTD.
??:-18210857532
???:jkinfo@jkchemical.com
??:China
URL: https://www.jkchemical.com
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(+)-Usnic Acid??????125-46-2C18H16O7
(2-chlorobenzyl)cyclopropylamine(SALTDATA: HCl)N-(2-?????)?????????16357-33-8C10H12ClN
2-AMino-5-phenyl-thiophene-3-carboxylic acid2-???-5-??-3-????????14770-84-4C11H9NO2S
p-(tert-Butyldimethylsiloxy)styrene84494-81-5C14H22OSi
Potassium hexachloropalladate(IV), 99%?????????????16919-73-6Cl6KPd-
Heparin lithium salt, 170 units/mg, from porcine intestinal mucosa???????9045-22-1n.a.
2-(3,4-Dichloro-phenyl)-oxirane2-(3,4-????-??)-???52909-94-1C8H6Cl2O
N-(Chloroacetyl)-3,5-dichloroanilineN1-(3,5-??????)-2-?????????33560-48-4C8H6Cl3NO
4-(2-Methoxy-ethoxy)-benzoic acid4-(2-???-???)-???27890-92-2C10H12O4
4-Fluoro-1-naphthaldehyde4-????-1-??????172033-73-7C11H7FO
N-methyl-2-(1H-pyrazol-4-yl)ethanamine(SALTDATA: FREE)956949-79-4C6H11N3
4-Hydroxy-6-oxo-1-[3-(trifluoromethyl)phenyl]-1,6-dihydro-3-pyridazinecarboxylic acid121582-64-7C12H7F3N2O4
4-(1-aminopropyl)phenol(SALTDATA: HCl)4-(1-??????)??85068-38-8C9H13NO
Hexadecylcyclohexane6812-38-0C22H44
2-Isopropylamino-thiazole-4-carboxylic acidhydrobromide4-CARBOXY-2-ISOPROPYLAMINOTHIAZOLE?????????300831-03-2C7H10N2O2SHBr
Indium(III) acetylacetonate, 99%14405-45-9C15H21InO6
Methyl 3-Oxohexanoate30414-54-1C7H12O3
4-DiMethylaMino-1-naphthyl Isothiocyanate [for HPLC Labeling]29711-79-3C13H12N2S
Tris(m-methoxyphenyl)phosphine, 97+%29949-84-6C21H21O3P
Methyl 3,3-dimethylacrylate, 98%??3-??-2-??????924-50-5C6H10O2
1,3-Bis(3-aminophenoxy)benzene, 97%1,3-BIS(3-??????)??10526-07-5C18H16N2O2
3,5-Dichlorobenzoic acid, 98%51-36-5C7H4Cl2O2
(R)-2-(3,4,5-Trimethoxy-phenyl)-thiazolidine-4-carboxylic acid2-(3,4,5-???????)-1,3-?????-4-????72678-94-5C13H17NO5S
4-Chlorophenyl phenyl ether1-???-4-?????7005-72-3C12H9ClO
Tri-O-benzyl-D-galactal80040-79-5C27H28O4
3-(TrifluoroMethyl)benzyl Mercaptan25697-55-6C8H7F3S
4-(Difluoromethoxy)benzyl alcohol 98%170924-50-2C8H8F2O2
2-hydroxy-3-(2-methylphenoxy)propanoic acid(SALTDATA: FREE)26114-38-5C10H12O4
4-Methylthio-3-(trifluoromethyl)aniline4-????-3-(????????)???63094-56-4C8H8F3NS
1-Boc-3-N-(Pyridin-4-ylmethyl)-amino-piperidine1-BOC-3-N-(???-4-???)-???-????886364-97-2C16H25N3O2
6-Methoxy-2-pyrazinecarboxylic acid6-???-????????24005-61-6C6H6N2O3
2-(Isobutylamino)isonicotinic acid2-(???????)??????1019388-25-0C10H14N2O2
2-chloro-6-ethyl-4-methylquinoline(SALTDATA: FREE)2-???-6-??-4-?????35213-56-0C12H12ClN
4,5-dimethyl-1H-benzimidazol-6-amine(SALTDATA: 2HCl)1H-??????-5-??,6,7-???-946932-54-3C9H11N3
3-Fluoro-DL-valine43163-94-6C5H10FNO2
Pyrazolidine, N1-BOC protected?????,N1-BOC??57699-91-9C8H16N2O2
2-Amino-4-chloro-2'-fluorobenzophenone203303-05-3C13H9ClFNO
tert-Butyl 5-bromonicotinate 98%263270-02-6C10H12BrNO2
[(4-methyl-2-oxo-2H-chromen-6-yl)oxy]acetic acid(SALTDATA: FREE)[(4-??-2-??-2H-???-6-?)??]????95767-60-5C12H10O5
2-(4-Trifluoromethyl-pyridin-2-yloxy)-ethanol2-([4-(????????)-2-???]??)??-1-OL257295-59-3C8H8F3NO2
2-Amino-5-methoxybenzoic acid, 97%6705-03-9C8H9NO3
4-Methylumbelliferyl β-D-galactopyranoside6160-78-7C16H18O8
2-(Benzenesulfonyl)benzaldehyde2-(?????)??????126076-76-4C13H10O3S
5-Fluorouridine 5'-O-?-D-Galactopyranoside5-???????-5'-ObD-?????????149965-92-4C15H21FN2O11
Methyl 1-methyl-2-sulfanyl-1H-imidazole-5-carboxylate??1-??-2-???-1H-????-5-??????68892-07-9C6H8N2O2S
1,6-Dibromo-2,5-dioxaperfluorohexane1,6-????-2,5-??????????330562-48-6C4Br2F8O2
cis-2-Penten-1-ol??(??-2-)1576-95-0C5H10O
N1-(3,4-Dichlorophenyl)-2-chloroacetamideN1-(3,4-??????)-2-?????????20149-84-2C8H6Cl3NO
17-(4-Toluenesulphonyloxy)heptadecanoic acid17-(P-????????)?????76298-42-5C24H40O5S
4-Phenylpyridine N-Oxide1131-61-9C11H9NO
1-ethyl-1H-indole-3-carbaldehyde (SALTDATA: FREE)1-??-1H-??-3-??????58494-59-0C11H11NO
Pentakis(dimethylamino)niobium(V), 99%19824-58-9C2H7NNb
5-[N-(tert-Butoxycarbonyl)aMino]-2-chloropyridine171178-45-3C10H13ClN2O2
Wood's metal, lump (approx. 100mm)76093-98-6BiCdPdSn
Methyl 4-iodobutyrate, stabilized, 95%??4-????????14273-85-9C5H9IO2
EthylenediaMine Monohydrate6780-13-8C2H10N2O
2-(4-propylphenoxy)ethanamine(SALTDATA: FREE)2-(4-??????)???120351-95-3C11H17NO
N-(3-ethoxy-4-methoxybenzyl)cyclohexanamine(SALTDATA: HBr)355817-14-0C16H25NO2
5-bromo-N-butyl-2-furamide(SALTDATA: FREE)5-???-N-??-2-????438617-12-0C9H12BrNO2
6-amino-8-methyl-2H-1,4-benzoxazin-3(4H)-one(SALTDATA: HCl)1210455-01-8C9H10N2O2
N-(2-Chloroethyl)-N'-pyridin-3-ylureaN-(2-?????)-N'-(3-????)???13908-58-2C8H10ClN3O
4-Aminobutyric acid methyl ester, hydrochloride13031-60-2C5H12ClNO2
2-(Trimethylsilyl)benzothiazole tech2-(??????)?????32137-73-8C10H13NSSi
5-Acetamido-2-bromopyridine 95%29958-19-8C7H7BrN2O
Sodium tetrachloroplatinate(II) hydrate?????????(II)???207683-21-4Cl4H2Na2OPt
(3-(2-Aminoethyl)-1-methylindole)dihydrochloride(3-(2-?????)-1-????)2HCL2826-96-2C11H16Cl2N2
4-(2-nitro-5-piperazin-1-ylphenyl)morpholine(SALTDATA: FREE)4-(2-???-5-????-1-???)????332023-13-9C14H20N4O3
2-AMinopentane(+/-)-2-?????63493-28-7C5H13N
2-chloro-N-(2-methoxyphenyl)acetamide(SALTDATA: FREE)2-???-N-(2-?????)??????55860-22-5C9H10ClNO2
p-(1-AdaMantyl)tolueneP-(1-????)???1459-55-8C17H22
DL-?-(3,4-Dimethoxyphenyl)alanine3-???-3-(3,4-DIMETHOXY-PHENYL)-PROPIONICACID34840-85-2C11H15NO4
4-Fluoro-1-naphthalenol4-????????-1-?315-53-7C10H7FO
Ethyl 4-(4-Fluorophenyl)-3-oxobutanoate4-(4-FLUORO-PHENYL)-3-OXO-BUTYRICACIDETHYL????221121-37-5C12H13FO3
1,4,8,11-Tetrathiacyclotetradecane24194-61-4C10H20S4
6-ForMylindolo[3,2-b]carbazole172922-91-7C19H12N2O
Ammonium cerium(IV) sulfate dihydrate, for analysis ACS, 95%CERIC ??? ??? ????10378-47-9CeH7NO5S
(S)-4-Boc-2-hydroxymethyl-morpholine135065-76-8C10H19NO4
3-Hydroxy-N-(1-naphthyl)-2-naphthaMide132-68-3C21H15NO2
3-AMino-4-(MethylaMino)benzonitrile3-???-4-(?????)?????64910-46-9C8H9N3
Neostigmine bromide, 98%, a reversible acetylcholinesterase inhibitor?????? ?????114-80-7C12H19BrN2O2
2H-tetrazol-2-ylacetic acid(SALTDATA: FREE)2H-????-2-????21743-64-6C3H4N4O2
Ethyl Phenylsulfonylacetate7605-30-3C10H12O4S
1,2,3-Thiadiazole-4-carbaldehyde, 97%1,2,3-?????-4-??????27643-15-8C3H2N2OS
2-Fluoro-3-(trifluoromethoxy)benzeneboronic acid???,[2-FLUORO-3-(TRIFLUOROMETHOXY)PHENYL]-881402-25-1C7H5BF4O3
1-(2-Piperidinoethyl)-2-thiourea1-(2-???????)-2-?????206761-87-7C8H17N3S
3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazole-4-carbonyl Chloride69399-79-7C11H6Cl2FNO2
Sodium oxalate, 99+%??????62-76-0C2Na2O4
3-Fluoromandelic acid3-???????395-05-1C8H7FO3
5-(CarbobenzoxyaMino)valeric Acid23135-50-4C13H17NO4
Mesotartaric Acid Monohydrate5990-63-6C4H8O7
N-(2-pyridinylmethyl)cyclopropanamine(SALTDATA: FREE)2-???????,N-??????-(9CI)626210-44-4C9H12N2
N-(p-Toluenesulfonyl)indole-3-boronic acid pinacol esterN-(p-??????)??-3-??????????1073354-51-4C21H24BNO4S
4'-Chloroacetoacetanilide, 98%4'-????????????101-92-8C10H10ClNO2
6-chloro-4-methylpyridine-3-carbonitrile, 95%66909-35-1C7H5ClN2
β-Nicotinamide adenine dinucleotide disodium salt, 98%, reduced???????????606-68-8C21H27N7Na2O14P2
Methyl phenylacetate, 99%101-41-7C9H10O2
2-Fluoro-4-nitrophenol, 99%2-????-4-?????403-19-0C6H4FNO3
2-Methylpyridine-4-carboxylic acid, 97%4021-11-8C7H7NO2
3-Formylphenylboronic acid, 98%87199-16-4C7H7BO3
4-Benzyloxyphenylmagnesium bromide, 1.0 M solution in THF, J&KSeal120186-59-6C13H11BrMgO
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