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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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1-(Boc-amino-acetyl)-piperidine-4-carboxylic acid, 98%1-(2-TERT-BUTOXYCARBONYLAMINO-ACETYL)-????-4-?????345955-48-8C13H22N2O5
4-Bromo-3-chloro-2-methylaniline 96%4-???-3-???-2-?????627531-47-9C7H7BrClN
4,5,6-Trichloro-2-methylpyrimidine4,5,6-?????-2-??????1780-28-5C5H3Cl3N2
(3S)-4,4,4-Trifluorobutane-1,3-diol(S)-4,4,4-????????-1,3-??135154-88-0C4H7F3O2
1-allyl-1H-benzimidazole-2-carbaldehyde(SALTDATA: FREE)118482-14-7C11H10N2O
Benzophenone-2,4'-dicarboxylic Acid Monohydrate????-2,4'-??????85-58-5C15H10O5
(3-Chloropyridazin-6-yl)hydrazine, tech17284-97-8C4H5ClN4
(2-cyclohex-1-en-1-ylethyl)(cyclohexylmethyl)amine(SALTDATA: HCl)[2-(??????-1-?-1-?)??](????????)??356540-21-1C15H27N
13-(4-Chlorophenyl)-3,3-dimethyl-2,3,4,13-tetrahydroindazolo[1,2-b]phthalazine-1,6,11-trione1017238-94-6C23H19ClN2O3
3,4,5-Tribromopyrazole, 97%3,4,5-????????17635-44-8C3HBr3N2
(R)-(+)-1-Phenylethanol, 99%, for chiral derivatization1517-69-7C8H10O
2-(Boc-amino)-5-pyridinemethanol, 97%TERT-??[5-(???????)???-2-?)?????169280-83-5C11H16N2O3
4'-Methylpropiophenone, 98%????????5337-93-9C10H12O
4-Amino-2-mercaptopyrimidine-5-carbonitrile, 97%16462-26-3C5H4N4S
4,6-Dimethyl-2-(methylthio)pyrimidine, 98%14001-64-0C7H10N2S
5-Chlorobenzotriazole, 99%5-?????????94-97-3C6H4ClN3
7-Ethyl-3-indoleethanol41340-36-7C12H15NO
3-chloro-2-(4-methyl-1-piperidinyl)aniline(SALTDATA: FREE)3-???-2-(4-??-????-1-YL)-????842965-35-9C12H17ClN2
PotassiuM (4-Cyanophenyl)trifluoroborate???(4-?????)850623-36-8C7H4BF3KN
6-(Bromomethyl)-1H-indazole hydrobromide6-????????152626-91-0C8H7BrN2
1-[3-(1H-pyrazol-1-yl)phenyl]methanamine(SALTDATA: 0.5H2SO4)3-???-1-YL-????687635-04-7C10H11N3
5-(4-Hydroxyphenyl)hydantoin4-???????????2420-17-9C9H8N2O3
Terephthalic-d4 Acid60088-54-2C8H2D4O4
2,5-Bis(4-aMinophenyl)-1,3,4-oxadiazole2,5-BIS(4-?????)-1,3,4-?????2425-95-8C14H12N4O
1-(5-Bromo-2-chloropyridin-3-yl)ethanone1-(5-???-2-??????-3-?)???886365-47-5C7H5BrClNO
N-Methyl-4-(thien-2-yl)benzylamine 97%N-??-N-(4-??-2-???)??850375-04-1C12H13NS
1-Methyl-4-(5-nitro-2-pyridinyl)piperazine2-(4-??????-1-?)-5-??????55403-34-4C10H14N4O2
1-Ethyl-3-p-tolyltriazene [for Esterification]1-??-3-P-??????50707-40-9C9H13N3
Phenethyl benzoate, 98+%??? ?????94-47-3C15H14O2
(5-methylimidazo[1,2-a]pyridin-2-yl)methanol(SALTDATA: FREE)(5-??????[1,2-A]???-2-?)???872363-02-5C9H10N2O
3-Methyl-2-heptene (cis- and trans- Mixture)3-??-2-??3404-75-9C8H16
Methyl Isodehydracetate??????????????41264-06-6C9H10O4
Methyl N-(2-chloroacetyl)carbamate??????????????13558-70-8C4H6ClNO3
5-O-Carbomethoxy-1,2-O-isopropylidene-α-D-xylofuranose ,98%5432-33-7C10H16O7
Methyl 3-bromo-2-fluorobenzoate206551-41-9C8H6BrFO2
2-(5,6-dihydro-4H-cyclopenta[d][1,3]thiazol-2-yl)ethanamine(SALTDATA: 2HCl H2O 0.2NH4Cl)933698-13-6C8H12N2S
2,5-DibroMo-1,4-benzoquinone1633-14-3C6H2Br2O2
Succinic acid-mono-N-phenylsulfonylamide???-??-N-????????100462-43-9C10H11NO5S
Bis[2-(succiniMidooxycarbonyloxy)ethyl] Sulfone57683-72-4C14H16N2O12S
4-Bromoisoquinoline 2-oxide4-???-?????2-????3749-21-1C9H6BrNO
1-Ethylpiperidin-3-oxime hydrochloride 97%1-??????-3-??????213627-39-5C7H14N2O
2-chloro-4,6-dimethoxybenzaldehyde(SALTDATA: FREE)2-???-4,6-??????????82477-61-0C9H9ClO3
1-methyl-1H-benzimidazole-2-thiol(SALTDATA: FREE)2360-22-7C8H8N2S
3-BroMoisoxazole3-???????111454-71-8C3H2BrNO
(2-Amino-thiazol-5-yl)-acetic acid methyl ester(2-???-???-5-YL)-??????????110295-93-7C6H8N2O2S
3,4,5-Trifluoropyridine67815-54-7C5H2F3N
3-amino-4-(4-methyl-1-piperazinyl)benzamide(SALTDATA: FREE)3-???-4-(4-??-????-1-?)-????842961-35-7C12H18N4O
2-[(4-methylphenyl)thio]ethanamine(SALTDATA: FREE)2-[(4-METHYLPHENYL)THIO]????42404-23-9C9H13NS
N4-(2-Hydrazino-2-oxoethyl)-2,1,3-benzothiadiazole-4-sulfonamide, 97%175203-26-6C8H9N5O3S2
(2'-Methoxy-biphenyl-4-yl)-acetic acid5181-11-3C15H14O3
2-methyl-3-phenyl-2-cyclopropene-1-carboxylic acid(SALTDATA: FREE)18826-56-7C11H10O2
1-(2-Cyanophenyl)-4-piperidinecarboxylic Acid Ethyl Ester??1-(2-?????)????-4-???????357670-16-7C15H18N2O2
5-(2-Methoxyphenyl)cyclohexane-1,3-dione5-(2-???-??)-?????-1,3-??55579-77-6C13H14O3
Amberlite? IRA-410, Cl-form, ion-exchange resin?????9002-26-0N/A
5-(4-Methylphenyl)-1,2,4-thiadiazole5-(4-????)-1,2,4-?????175205-59-1C9H8N2S
3-Amino-2-chloro-5-(trifluoromethyl)pyridine2-???-5-(????????)-3-?????72587-18-9C6H4ClF3N2
4-Amino-6-phenyl-2H-pyridazin-3-one4-???-6-??-3(2H)-?????89868-06-4C10H9N3O
(4S)-4-Methyl-L-proline6734-41-4C6H11NO2
Boc-3-cyano-L-phenylalanine131980-30-8C15H18N2O4
1-Benzoylpiperidin-4-amine hydrochloride(4-???-????-1-?)-??-???150514-60-6C12H16N2O
Ethyl 3-(4-methoxy-phenyl)-2-methylaminomethyl-propionate??3-(4-???-??)-2-???????-???????886366-05-8C14H21NO3
3,6-Diiodopyridazine20698-04-8C4H2I2N2
(R)-(+)-4-Isopropyl-2-oxazolidinone, 99%, ee: 99%(R)-(=)-4-?????-2-???????95530-58-8C6H11NO2
4-Nitrobenzeneethanol, 99%100-27-6C8H9NO3
Cerium(III) 2-ethylhexanoate, 49% in 2-ethylhexanoic acid (12% Ce)??(III) 2-????????56797-01-4C24H45CeO6
4-Sulfobenzoic acid potassium salt, 98%5399-63-3C7H5KO5S
4-(2-Methoxyphenoxy)benzoic acid4-(2-????????)???103203-54-9C14H12O4
2,4-Dichloro-5-nitroaniline2,4-????-5-???-????34033-44-8C6H4Cl2N2O2
2-chloro-6,7-dihydro-5H-cyclopenta[b]pyridine(SALTDATA: FREE)2-???-6,7-?????-5H-??????[b]???117890-55-8C8H8ClN
1,8-dioxo-1,3,4,8-tetrahydro-2H-pyrido[1,2-a]pyrazine-6-carboxylic acid(SALTDATA: FREE)ASINEX-REAG??101561475368-42-3C9H8N2O4
(4-Methyl-piperazine-1-yl)-[4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-phenyl]-Methanone832114-06-4C18H27BN2O3
3-Methyl-2-nitrobenzoyl chloride ,97%50424-93-6C8H6ClNO3
2,3-Dichloro-5-(chlorosulfonyl)benzoic acid2,3-????-5-(??????)???53552-95-7C7H3Cl3O4S
4-Cyanomethylimidazole, 97%4(5)-?????????18502-05-1C5H5N3
H-Gln-OtBu·HCl39741-62-3C9H19ClN2O3
Dehydroacetic acid sodium salt, 99%??????????4418-26-2C8H7NaO4
3-(4-Bromo-phenyl)-1H-pyrazole-4-carbaldehyde3-(4-???-??)-1H-???-4-??????350997-68-1C10H7BrN2O
3-Methyl-6-nitrocoumarin103030-08-6C10H7NO4
3-chloro-N-(3,4-dimethylphenyl)propanamide(SALTDATA: FREE)3-???-N-(3,4-?????)??????5446-25-3C11H14ClNO
N-Ethyldicyclohexylamine, 96%N-???????????7175-49-7C14H27N
2-Methyl-6-trifluoromethylpyridine???381831620-72-0C7H6F3N
5-Iodo-2-furoic acid 97%5-???-2-???18614-11-4C5H3IO3
1-(3-methylphenyl)-1-(2-thienyl)methanamine(SALTDATA: HCl)1-(3-????)-1-(2-???)????(SALTDATA:HCl)933684-20-9C12H13NS
1,1,1,2,2,3,3,4,4-Nonafluoro-5,7-octanedione5,5,6,6,7,7,8,8,8-NONAFLUORO-2,4-????355-84-0C8H5F9O2
1,2,3-Trifluoropropane66794-36-3C3H5F3
(-)-Chiracamphox(-)-?????165038-32-4C11H17NO2
Hexaethyldisiloxane????????994-49-0C12H30OSi2
6,6-dimethyl-6,7-dihydro-1-benzofuran-4(5H)-one(SALTDATA: FREE)76230-27-8C10H12O2
Acridine Hydrochloride Hydrate???????17784-47-3C13H10ClN
2,2-Dimethyl-N-(3-trimethylsilanyl-pyridin-4-yl)-propionamide2,2-????-N-(3-????????-???-4-YL)-???????86847-70-3C13H22N2OSi
3-Fluoro-2-hydroxyphenylboronic acid???,(3-????-2-??????)-(9CI)259209-24-0C6H6BFO3
3-(3-thienyl)propanoic acid(SALTDATA: 0.2H2O)3-??-3-?????16378-06-6C7H8O2S
2-Quinolin-4-yl-1-[4-(trifluoroMethyl)phenyl]-ethanone2-???-4-YL-1-[4-(????????)??]???476472-22-7C18H12F3NO
Terpinyl acetate, 90%, mixture of isomers?????80-26-2C12H20O2
Carbenicillin disodium salt, 98%?????? ????4800-94-6C17H19N2NaO6S
3-Mercaptobenzoic acid, 95%4869-59-4C7H6O2S
(1S,2S)-(+)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol, 96%2964-48-9C9H12N2O4
CyclohexylMethyl Acetate????????????937-55-3C9H16O2
3,4-Bis(trifluoromethyl)pyridine3,4-BIS(????????)???20857-46-9C7H3F6N
N-methyl-1-(tetrahydro-2H-pyran-2-yl)methanamine(SALTDATA: FREE)??-(TETRAHYDRO-PYRAN-2-YLMETHYL)-AMINE7179-96-6C7H15NO
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