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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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4-Chloromethyl-6-methyl-chromen-2-one, 97%41295-65-2C11H9ClO2
N-Benzylcinchonidinium chloride, 99%69257-04-1C26H29ClN2O
isoquinolin-8-yl-8-boronic acid, 95%721401-43-0C9H8BNO2
Methyl 3-(TriMethylsilyloxy)crotonate (cis- and trans- Mixture)?? 3-(????????)?????26767-00-0C8H16O3Si
Undecafluorohexanoyl Fluoride???????????????98355-38-4C6F12O
Cholesterol Myristate??????????1989-52-2C41H72O2
3-(2-hydroxy-4,6-dimethylpyrimidin-5-yl)propanoic acid(SALTDATA: FREE)3-(2-?????-4,6-???????-5-?)????937669-19-7C9H12N2O3
2-Cyclopenten-1-one Ethylene Ketal2-CYCLOPENTEN-1-ONE?????695-56-7C7H10O2
5-amino-2-(1-azepanyl)benzonitrile(SALTDATA: HCl)5-???-2-(1-????)?????(SALTDATA:HCl)78252-09-2C13H17N3
(5-Nitro-2-furyl)methyl aminomethanimidothioate hydrobromide, 97%(5-???-2-??)????????????????????????82118-18-1C6H8BrN3O3S
2-(4-Chloro-phenyl)-5-methyl-2H-pyrazole-3-carboxylic acid15943-84-7C11H9ClN2O2
3-chloro-2-(4-ethylpiperazin-1-yl)aniline(SALTDATA: FREE)3-CHLORO-2-(4-ETHYL-PIPERAZIN-1-YL)-????714282-41-4C12H18ClN3
3-(2-chloroethyl)-6-methylpyrimidine-2,4(1H,3H)-dione(SALTDATA: FREE)22359-13-3C7H9ClN2O2
1-Ethyl-1H-benzoimidazole-2-thiol39573-31-4C9H10N2S
N-(TriphenylMethyl)-DL-serine Methyl Ester13515-76-9C23H23NO3
N-benzylalanine(SALTDATA: HCl)N-?????(?????:HCl)40297-69-6C10H13NO2
4-(4-Amino-benzoylamino)-benzoic acid4-(4-???-??????)-???36711-56-5C14H12N2O3
(R)-(+)-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole, min. 98% (R)-(+)-SEGPHOS(R)-(+)-5,5'-??(???????)-4,4'-?-1,3-?????244261-66-3C38H28O4P2
N-Acetylmuramic acid, 97.5%10597-89-4C11H19NO8
Bis(norbornadiene)rhodium(I) tetrafluoroborate, min. 96%36620-11-8C14H8BF4Rh
Silver bis(trifluoromethanesulfonyl)imide, 98%????(?????????????)189114-61-2C2AgF6NO4S2
D-(+)-Cellobiose, 98%528-50-7C12H22O11
4-(2-methoxyphenyl)-3-methyl-1H-pyrazol-5-amine(SALTDATA: FREE)895010-58-9C11H13N3O
4-ethyl-1,3-thiazol-2-amine(SALTDATA: HCl 0.7H2O)34631-53-3C5H8N2S
3-(aminosulfonyl)-4,5-dimethylbenzoic acid(SALTDATA: FREE)3-(??????)-4,5-??????62971-64-6C9H11NO4S
3-Hydroxy-2'-Methoxy-2-naphthanilide??? AS-?135-62-6C18H15NO3
4-amino-3-methylbenzamide(SALTDATA: FREE)?????,4-???-3-??-(9CI)106037-36-9C8H10N2O
1-(1 H -Indol-3-ylmethyl)-piperidine-4-carboxylicacid1-(1H-??-3-???)????-4-?????100957-76-4C15H18N2O2
3-(N-Boc-aMinoMethyl)phenylboronic acid199609-62-6C12H18BNO4
Trisodium Nitrilotriacetate Monohydrate???????????? ??????5064-31-3C6H10NNaO6
5-(Thien-2-yl)tetrahydrothiophen-3-one5-(2-???)?????????-3-?108372-48-1C8H8OS2
2,6,8-trimethyl-4-quinolinamine(SALTDATA: FREE)4-???-2,6,8-???????689277-05-2C12H14N2
3-(tert-Butoxycarbonyl)phenylboronic acid, 98%3-tert-????????????220210-56-0C11H15BO4
N-AMyl-N-MethylnitrosaMineN-??-N-???????13256-07-0C6H14N2O
(4'-Formyl-biphenyl-2-yl)-acetic acid(4'-FORMYL-BIPHENYL-2-YL)-????669713-88-6C15H12O3
3-chloro-N-(3,4-difluorophenyl)propanamide(SALTDATA: FREE)3-???-N-(3,4-???????)??????132669-28-4C9H8ClF2NO
3-Amino-6-chloropicolinamide6-???-3-??????-2-???????175358-01-7C6H6ClN3O
N-Carbobenzoxy-L-serine beta-Lactone26054-60-4C11H11NO4
Piperazine-2-carboxylic acid methyl esterdihydrochloride????-2-???????????????122323-88-0C6H14Cl2N2O2
3-Methyladipic Acid3058-01-3C7H12O4
ETYA???1191-85-1C20H24O2
3-bromotetrahydro-2H-pyran(SALTDATA: FREE)3-???-??????-??13047-01-3C5H9BrO
(1,4,5,6,7,8-hexahydrocyclohepta[c]pyrazol-3-ylmethyl)methylamine(SALTDATA: 2HCl)(1,4,5,6,7,8-?????-????????-3-???)-??-??910442-17-0C10H17N3
N-Methyl-4-nitro-2-trichloroacetylpyrrole1-??-4-???-2-(????????)-1H-??120122-47-6C7H5Cl3N2O3
5- tert -Butyl-2-methyl-4-morpholin-4-ylmethyl-furan-3-carboxylic acid435342-04-4C15H23NO4
5-Fluoro-2-(methylsulfonyl)benzoic acid5-????-2-(?????)????773873-55-5C8H7FO4S
3-Cyano-4-methylpyridine, 98%5444-01-9C7H6N2
2-Methoxyethoxymethyl chloride, 94%3970-21-6C4H9ClO2
Trimethylboroxine, 3.5 M solution in THF823-96-1C3H9B3O3
4-Cyano-piperidine-1-carboxylic acid ethyl ester, 98%??4-???????-1-???????182808-28-2C9H14N2O2
5-Bromo-6-isothiocyanatoquinoxaline, 98%5-???-6-?????????????134892-46-9C9H4BrN3S
N4-Benzoyl-5'-O-(4,4'-dimethoxytrityl)-2'-deoxycytidine, 98%N4-???-5'-O-(4,4'-???????)-2'??????67219-55-0C37H35N3O7
Hexadecanedioic acid, 97%???????505-54-4C16H30O4
Tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate)europium(III) hydrate (99.9%-Eu) (REO) [Eu(FOD)3]??(6,6,7,7,8,8,8-??????-2,2-???-3,5-??????)???europium17631-68-4C30H30EuF21O6
2-Methyl-2-(4-Morpholinyl)propanal (SALTDATA: FREE)2-??-2-?????????16042-91-4C8H15NO2
2-[(2-ethoxy-2-oxoethyl)amino]benzoic acid(SALTDATA: FREE)65992-17-8C11H13NO4
5-(3-Fluorophenyl)-2-furoic acid54022-97-8C11H7FO3
(R)-4-Cyano-thiazolidine-3-carboxylic acidtert-butyl ester391248-15-0C9H14N2O2S
N-(2,2-dimethoxyethyl)-6-methyl-2,3,4,9-tetrahydro-1H-carbazol-1-amine(SALTDATA: HCl)121593-91-7C17H24N2O2
Decahydronaphthalene-d18, 99 atom%D, mixture of cis and rrans28788-42-3C10D18
Vinyltriacetoxysilane???????? ??????4130-08-9C8H12O6Si
Benzhydrylamine hydrochloride, 97%5267-34-5C13H14ClN
4-Nitrophenyl β-L-arabinopyranoside, 98%72732-54-8C11H13NO7
Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)yttrium(III), 98+% (99.9%-Y) (REO) [Y(TMHD)3]15632-39-0C33H57O6Y
Chloromethyl butyrate, 98.5%33657-49-7C5H9ClO2
Lanthanum(III) carbonate hydrate (99.9%-La) (REO)6487-39-4CH4LaO4
4,4'-Sulfonyldiphenol, 99%4,4'-???????80-09-1C12H10O4S
N-Methylcyclohexylamine, 98%?????????100-60-7C7H15N
Cholesteryl oleyl carbonate, 99%????? ??? ????17110-51-9C46H80O3
Oleana-2,12-dieno[2,3-d]isoxazol-28-oic acid, 97%????-2,12-???[2,3-d]????-28-??218600-48-7C31H45NO3
2',6'-Dichloroacetophenone, 97%2040-05-3C8H6Cl2O
3,5-Dimethyl-4H-1,2,4-triazole, 95%3,5-???-4H-1,2,4-????7343-34-2C4H7N3
3-Anilinopropionitrile, 98%3-????????????1075-76-9C9H10N2
(R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol, 98%(R)-(-)-2,2-???-1,3-????-4-???14347-78-5C6H12O3
Triethyl 2-phosphonobutyrate, 98%17145-91-4C10H21O5P
cyclopropyl(1-methyl-1H-1,2,4-triazol-5-yl)methanone(SALTDATA: FREE)959239-56-6C7H9N3O
4-Nitro-2,1,3-benzoxadiazole4-????????16322-19-3C6H3N3O3
N-(5-amino-2-fluorophenyl)-2-methylpropanamide(SALTDATA: FREE)N-(5-???-2-??????)-2-????????926259-44-1C10H13FN2O
Bis(Tricyclohexyltin)oxide????[????????(IV)]5837-26-3C36H66OSn2
5-(4-Methylphenyl)-5-oxovaleric acid4-p-????????833-85-2C12H14O3
4-(4-Nitrophenyl)-3-thiosemicarbazide4-(4-?????)-3-????????38985-70-5C7H8N4O2S
4-[(2,5-dichlorophenyl)sulfonyl]butan-2-one(SALTDATA: FREE)336195-37-0C10H10Cl2O3S
1-(4-Fluoro-α-phenylbenzyl)piperazine1-(4-????-??-????)????27064-89-7C17H19FN2
Vasoflavine [for Fluorometry of Serum Albumin]?????50936-08-8
(2-methoxybenzyl)(3-nitrobenzyl)amine(SALTDATA: HBr)418790-82-6C15H16N2O3
1-(3-Chloro-4-fluoro-phenyl)-pyrrole-2,5-dione1-(3-???-4-????-??)-??-2,5-??134220-37-4C10H5ClFNO2
3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole3-???-4-(???-3-?)-1,2,5-?????131986-28-2C7H4ClN3S
(Phenylthio)acetic acid(????)????103-04-8C8H8O2S
9-Ethynyl-9-fluorenol13461-74-0C15H10O
N-(4-Fluorophenyl)anthranilic acidN-(4-??????)?????54-60-4C13H10FNO2
2,2-Dimethyl-N-[3-(4,4,5,5-tetramethyl-[1,3,2]-dioxaborolan-2-yl)-pyridin-2-yl]-propionamide532391-30-3C16H25BN2O3
2,6-Dichloro-3,5-bis(trifluoromethyl)benzalchloride2,6-????-3,5-??(????????)????501657-11-0C9H2Cl4F6
3-Acetylamino-3-(4-nitrophenyl)propionic acid3-(??????)-3-(4-?????)????100061-23-2C11H12N2O5
(S)-3-Bromo-alpha-methylbenzyl alcohol, 98% ee, 95%(S)-1-(3-?????)???134615-22-8C8H9BrO
3-(3-M-Tolyl-[1,2,4]oxadiazol-5-yl)-propionic acid94192-16-2C12H12N2O3
2,4-DB Methyl ester18625-12-2C11H12Cl2O3
N-Methyl-[5-(morpholinomethyl)thien-2-ylmethyl]amine, 97%N-??-[5-(???????)??-2-???]??893742-71-7C11H18N2OS
4-(4-Chloroanilino)-2H-chromen-2-one4-(4-???????)-2H-??-2-?24526-89-4C15H10ClNO2
Methyl 2-hexynoate, 98+%18937-79-6C7H10O2
1-isopropyl-1H-benzimidazole-2-carbaldehyde(SALTDATA: FREE)339547-40-9C11H12N2O
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