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

?? ?:J & K SCIENTIFIC LTD.
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??:China
URL: https://www.jkchemical.com
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1,2-Dibromo-4,5-difluorobenzene, 98%64695-78-9C6H2Br2F2
2-Methyl-5-trifluoromethyl-2H-pyrazole-3-carboxylic acid, 97%2-??-5-????????-2H-???-3-?????128694-63-3C6H5F3N2O2
2-methyl-2H-indazol-7-amine, 95%2-??-2H-???-7-???90223-02-2C8H9N3
2-Chloro-4-nitrophenyl α-L-fucopyranoside, 98%2-???-4-?????-??-L-????????157843-41-9C12H14ClNO7
3,5-Dimethylisoxazole-4-boronic acid, 97%16114-47-9C5H8BNO3
2-(3,5-dimethylpiperidin-1-yl)ethanamine(SALTDATA: FREE)2-(3,5-???????-1-?)????876716-58-4C9H20N2
4-Isobutyl-2-pyrrolidinone (pregabalin lactaM iMpurity)4-????-2-?????61312-87-6C8H15NO
Dowex? 1X2, 100-200 mesh, ion-exchange resin????(R)1X29085-42-1N/A
2-Mercaptobenzyl alcohol, tech.4521-31-7C7H8OS
2-(2,3-Dihydro-1-benzofuran-5-yl)-1,3-thiazole-4-carboxylic acid, 97%368869-97-0C12H9NO3S
2-Sulfobenzoic acid hydrate2-????????123333-68-6C7H8O6S
4-Hydroxy-6-methyl-nicotinic acid4-?????-6-??-3-?????? ?67367-33-3C7H7NO3
5-Chloro-3-(difluoroMethyl)-1-Methyl-1H-pyrazole-4-carboxylic Acid1202993-11-0C6H5ClF2N2O2
5-Methyl-1-(2-methylphenyl)-1H-pyrazole-4-carboxylic acid , 97%423768-56-3C12H12N2O2
3-Aminoacetophenone, 99%3-????????99-03-6C8H9NO
2-Chloroethyl methyl sulfide, 97%???(2-)????????542-81-4C3H7ClS
Tris(dimethylamino)antimony (99.99%-Sb) PURATREM7289-92-1C6H18N3Sb
Perfluorodecyl iodide, 97%??????? ??????423-62-1C10F21I
4-Methylbenzylsulfonyl chloride, 98%51419-59-1C8H9ClO2S
4-Nitrobenzylamine hydrochloride, 97%18600-42-5C7H9ClN2O2
Triphenylmethanol, 99%???????76-84-6C19H16O
Chlorotrimethylphosphinegold(I), min. 98%15278-97-4C3H9AuClP
Tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate)cerium(III), 99% [Ce(FOD)3]????172424-98-5C30H30CeF21O6
thiazole-4-carbothioamide, 95%???-4-?????80653-66-3C4H4N2S2
3-(1H-tetrazol-1-yl)propanoic acid (SALTDATA: FREE)3-????-1-YL-?????92614-86-3C4H6N4O2
3-cyclopentylpropanal(SALTDATA: 0.1H2O)3-?????????6053-89-0C8H14O
2-Amino-6-phenyl-4,5,6,7-tetrahydrobenzo[b]-thiophene-3-carboxylic acid methyl ester2-???-6-??-4,5,6,7-??????-??[B]???-3-???????????119004-72-7C16H17NO2S
6-Formyl-uracil hydrate, 98%36327-91-0C5H4N2O3
N-(tert-Butoxycarbonyl)-L-phenylalanine Methyl Ester51987-73-6C15H21NO4
4,6-DiMethoxysalicylaldehyde4,6-???????????708-76-9C9H10O4
4-BroMoMethyl-6,7-diMethoxycouMarin [for HPLC Labeling]4-?????-6,7-???????88404-25-5C12H11BrO4
3-Methyl-3H-imidazo[4,5-b]pyridin-6-ol3-??-3H-????[4,5-b]???-6-?1171920-70-9C7H7N3O
2-Piperidinonicotinonitrile2-????????????34595-23-8C11H13N3
Phenyl 4-Hydroxybenzoate??4-??????????(INCI:?????)17696-62-7C13H10O3
2,4,6-Triisopropylphenylboronic Acid (contains varying aMounts of Anhydride)2,4,6-????????????154549-38-9C15H25BO2
2-Hydrazino-6-methyl-1,3-benzothiazole2-HYDRAZINO-6-METHYL-1,3-?????20174-69-0C8H9N3S
6-BroMo-2-isopropyl-quinoline-4-carboxylic acid6-???-2-?????-???-4-?????401624-46-2C13H12BrNO2
1,2-Bis(4-fluorophenyl)-1,1,2,2-tetrafluoroethane 98%4100-99-6C14H8F6
8-fluoro-4-quinolinamine(SALTDATA: FREE)4-???-8-???????148401-38-1C9H7FN2
delta-Hexanolactone?????(δ-)823-22-3C6H10O2
N-(4-AMinobenzoyl)-L-glutaMic Acid Diethyl Ester13726-52-8C16H22N2O5
1-Adamantyl isocyanate, 97.5%4411-25-0C11H15NO
SLIGRL-NH2171436-38-7C29H56N10O7
5-cyclopentyl-4-methyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)309731-00-8C8H13N3S
Perfluoropentadecane 95%?????????2264-03-1C15F32
Fmoc-2-chloro-D-phenylalanine205526-22-3C24H20ClNO4
Bis(3-fluorophenyl) Disulfide63930-17-6C12H8F2S2
(2E)-3-(2-furyl)-1-(3-nitrophenyl)prop-2-en-1-one(SALTDATA: FREE)132434-55-0C13H9NO4
2-(methylamino)butanamide(SALTDATA: FREE)2-(?????)?????(SALTDATA:??)1218229-30-1C5H12N2O
N-(N-p-Nitrobenzyloxycarbonyl)-formimidoyl-2-aminoethylthiolN-(NP-???-????????)-??????-2-???????80166-50-3C11H13N3O4S
(5-isopropyl-1,3-oxazol-4-yl)methanol(SALTDATA: FREE)(5-?????-1,3-???-4-?)???(SALTDATA:FREE)1210700-52-9C7H11NO2
N-(4-pyridinylmethyl)-1-butanamine(SALTDATA: HCl)N-(???-4-???)??-1-??91010-46-7C10H16N2
(3'-Ethoxy-biphenyl-3-yl)-acetic acid3-???-(3'-???)????558641-22-8C16H16O3
2-(1-ethyl-1H-benzimidazol-2-yl)ethanamine(SALTDATA: HCl)2-(1-??-1H-??????-2-?)????910395-61-8C11H15N3
5-Formyl-5'-methyl-BAPTA, tetramethyl ester, 90%?????5-???-5'-????-(2-?????????)-N,N,N',N'-????????96315-11-6C28H34N2O11
4-Amino-5-imidazolecarboxamide hydrochloride, 98%4-???-5-?????????????72-40-2C4H7ClN4O
4-BroMoantipyrine4-???????5426-65-3C11H11BrN2O
4-Bromo-2-methoxy-1,3-thiazole4-???-2-???-1,3-???240816-35-7C4H4BrNOS
1-(1-phenyl-1H-pyrazol-4-yl)ethanamine(SALTDATA: FREE)936940-64-6C11H13N3
(2,4-difluorophenoxy)acetic acid(SALTDATA: FREE)(2,4-DIFLUOROPHENOXY)????399-44-0C8H6F2O3
2-Chloro-5-(ethoxycarbonyl)benzeneboronic acid 98%2-???-5-(???????)?????98913835-93-5C9H10BClO4
2,3,5-Trifluorobenzoic Acid654-87-5C7H3F3O2
Pentane-2,3,4-trione 3-oxiMe29917-12-2C5H7NO3
(3aR*,6aS*)-2-methyltetrahydropyrrolo[3,4-c]pyrrole-1,3(2H,3aH)-dione(SALTDATA: HCl)1256643-48-7C7H10N2O2
Ampicillin trihydrate, 98%???? ?????7177-48-2C16H25N3O7S
1-Methyl-1,2,3,6-tetrahydropyridine-4-boronic acid pinacol ester, 97%1-??-1,2,3,6-?????????-4-??????????454482-11-2C12H22BNO2
2-Methyl-2H-indazole-3-carbaldehyde , 97%2-??-2H-???-3-??????34252-54-5C9H8N2O
3,5-Heptanedione, 98%3,5-????7424-54-6C7H12O2
1-Methylcyclopropane-1-carboxylic acid, 99%6914-76-7C5H8O2
1,3-Adamantanedicarboxylic acid, 97%1,3-??????????39269-10-8C12H16O4
3,5-Dichloro-3',4'-difluorobenzophenone3,5-????-3',4'-?????????845781-05-7C13H6Cl2F2O
2-(3,4-dimethoxyphenyl)-N-(4-methylbenzyl)ethanamine(SALTDATA: HBr)418789-66-9C18H23NO2
Di-i-propylchlorophosphine, min. 97%40244-90-4C6H14ClP
2-Bromo-4-nitrotoluene, 98%7745-93-9C7H6BrNO2
Okadaic acid, ammonium salt, 98%?????????,98175522-42-6C44H71NO13
4-[(3-Chloro-4-methylphenyl)carbamoyl]benzeneboronic acid 98%4-(3-CHLORO-4-????????)?????913835-37-7C14H13BClNO3
Chromium(III) oxide hydrate, 98%12182-82-0Cr2O3.H2O
2,5-Dichlorobenzonitrile, 99%21663-61-6C7H3Cl2N
2-Chlorophenylacetic acid, 99%2-????? ??2444-36-2C8H7ClO2
N-Ethylglycine627-01-0C4H9NO2
Ethyl 1H-Tetrazole-5-acetate??2-(2H-1,2,3,4-?????-5-?)?????13616-37-0C5H8N4O2
4,5,6,7-tetrahydro-1H-benziMidazole-5-carboxylic acid4,5,6,7-??????-1H-??????-5-?????26751-24-6C8H10N2O2
3-(1-Methyl-1H-pyrazol-3-yl)aniline , 97+%175202-37-6C10H11N3
PotassiuM (thioMorpholin-4-yl)Methyltrifluoroborate??4-?????????????????1150654-80-0C5H9BF3KNS
1,2,3,6,7,8-Hexahydropyrene1,2,3,6,7,8-???????1732-13-4C16H16
6-(Trifluoromethyl)-1H-indole6-(????????)??13544-43-9C9H6F3N
Alizarin Astrol6408-51-1C22H17N2NaO5S
4-Phenylbutyl Chloride4830-93-7C10H13Cl
5-Bromo-4,4,5,5-tetrafluoropentanoic acid 97%5-???-4,4,5,5-??????????234443-22-2C5H5BrF4O2
3-(Benzoylsulfanyl)-2-methylpropanoic acid3-(?????)-2-???????74431-50-8C11H12O3S
PotassiuM 5-Methylfuran-2-trifluoroborate??5-????-2-??????????1111213-54-7C5H5BF3KO
3-methoxy-5-(5-methyl-1H-tetrazol-1-yl)aniline(SALTDATA: FREE)799262-39-8C9H11N5O
Ethyl linoleate????????544-35-4C20H36O2
5,6-Dimethoxy-indan-1-ylamine5,6-????-??-1-???91247-06-2C11H15NO2
1-AMinohoMopiperidine1-?????????5906-35-4C6H14N2
2-(2-Iodophenyl)-4,4,5,5-tetraMethyl-1,3,2-dioxaborolane2-(2-??????)-4,4,5,5-?????-1,3,2-??????857934-82-8C12H16BIO2
Tetradecylcyclohexane1795-18-2C20H40
4-Pyridin-4-yl-piperidine, 98%1,2,3,4,5,6-?????-[4,4']?????581-45-3C10H14N2
4-(Diphenylphosphino)benzoic acid, 97%4-(???????)??? ?2129-31-9C19H15O2P
4-(Trifluoromethyl)thiophenol, 98%825-83-2C7H5F3S
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