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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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5-Nitro-1,3-benzoxazole5-???-1,3-?????70886-33-8C7H4N2O3
4-isopropyl-5-pyridin-4-yl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)90871-43-5C10H12N4S
N,N-Diethyl-p-toluenesulfonaMideP-??????-N,N-??????649-15-0C11H17NO2S
Azure A Eosinate, pureAZUREA??????,??62298-43-5C34H20Br4N3O5S-
N-Alpha-Fmoc-N-g-(2,2,5,7,8-pentamethyl-chroman-6-sulfonyl)-D-arginineFMOC-D-ARG(PMC)-?157774-30-6C35H42N4O7S
3-[1,1'-Biphenyl]-4-yl-3-oxopropanenitrile3-[1,1'-???]-4-?-3-????????78443-35-3C15H11NO
n-Butylsilane1600-29-9C4H12Si
3-(2,4-Dioxo-thiazolidin-3-yl)-propionic acid3-(2,4-???-?????-3-?)-?????49629-36-9C6H7NO4S
6,7-Dimethoxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline hydrochloride, 99%6,7-????-1-??-1,2,3,4-??????-?????63768-20-7C17H19NO2.ClH
N~1~-cyclohexyl-beta-alaninamide(SALTDATA: HCl)N~1~-?????-??-??????(SALTDATA:HCl)115012-26-5C9H18N2O
N-Boc-p-toluenesulfonamide, 98%18303-04-3C12H17NO4S
1-(2-methoxy-5-nitrophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde(SALTDATA: FREE)590395-50-9C14H14N2O4
1-(1,3-dimethylpyrrolidin-3-yl)methanamine(SALTDATA: 0.2H2O)1-(1,3-????????-3-?)???912771-31-4C7H16N2
4-Bromo-N-cyclohexylbenzamide4-???-N-???????????223553-87-5C13H16BrNO
N-(4-Methoxybenzyl)pyridin-2-amine52818-63-0C13H14N2O
1-Acetamido-3-aminonaphthalene??????,N-[3-???-1-???]-721970-24-7C12H12N2O
7-Methyl-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine422318-36-3C10H14N2
4-(aminomethyl)-N,N-diethylaniline(SALTDATA: FREE)4-??????????40336-81-0C11H18N2
(2-CarbaMoylphenoxy)acetic Acid(2-???????)????25395-22-6C9H9NO4
Methyl 2,3-dichlorophenylacetate, 98%10328-87-7C9H8Cl2O2
3-(5-Phenyl-furan-2-yl)-propionic acid3-(5-??-2-??)????3465-61-0C13H12O3
2-Acetamido-3-picoline ,97%7463-30-1C8H10N2O
7,8-Dihydroxy-4-methylcoumarin, 97%2107-77-9C10H8O4
(R)-(-)-1-[(S)-2-(Diphenylphosphino)ferrocenyl]ethyldi-t-butylphosphine, min. 97%(R)-1-[(1S)-2-(???????)????]???-tert-?????155830-69-6C32H40FeP2
IsoheMatoporphyrin IX?????????IX885267-28-7C34H38N4O6
2-Amino-4-(5-chlorothien-2-yl)-1,3-thiazole 97%123971-45-9C7H5ClN2S2
N-Methyl-aza-2,2,4-trimethylsilacyclopentane18387-19-4C7H17NSi
2-Methylfuran-3-carboxyamide2-????-3-???????22727-22-6C6H7NO2
methyl 4-formyl-1H-pyrazole-3-carboxylate(SALTDATA: FREE)??4-???-1H-???-3-???????(SALTDATA:FREE)35344-93-5C6H6N2O3
(R)-N-FMOC-2-(5-Bromothienyl)alanine, 98% ee, 95%220497-83-6C22H18BrNO4S
3-(1,3-Benzodioxol-5-yl)-3-[(tert-butoxycarbonyl)-amino]propanoic acid3-N-BOC-3-(3,4-????????)?????149520-06-9C15H19NO6
Ethyl 8-allyl-5-hydroxy-7-oxo-2-phenyl-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate76360-63-9C19H17N3O4
Ethyltetramethylcyclopentadiene, tech., mixture of isomers, 90%57693-77-3C11H18
4-allyl-5-[(4-methoxyphenoxy)methyl]-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)669740-18-5C13H15N3O2S
(S)-(-)-4-DiMethylaMinopyrindinyl(pentaphenylcyclopentadienyl)iron, Min. 98% (S)-C5Ph5-DMAP(R)-(+)-4-DIMETHYLAMINOPYRINDINYL(PENTAPHENYLCYCLOPENTADIENYL)?187596-69-6C45H33FeN2
1-(3-ethylisoxazol-5-yl)methanamine(SALTDATA: FREE)145689-96-9C6H10N2O
5-amino-2-(4-methyl-1-piperidinyl)benzoic acid(SALTDATA: FREE)5-???-2-(4-??-????-1-YL)-???78243-68-2C13H18N2O2
3-Oxo-3-o-tolyl-propionic acid ethyl ester3-OXO-3-O-??-???????????51725-82-7C12H14O3
2-(3-bromophenoxy)propanoic acid(SALTDATA: FREE)2-(3-??????)????41183-67-9C9H9BrO3
1,1,1,2,2,3,3,4-Octafluorobutane1,1,1,2,2,3,3,4-????????662-35-1C4H2F8
(4-Fluoro-benzylidene)-carbamic acidcyclohexyl ester(4-FLUORO-BENZYLIDENE)-?????????????681260-41-3C14H16FNO2
2-Hydroxy-1-(3-nitrophenyl)-1-ethanone2-?????-1-(3-?????)-1-???72802-41-6C8H7NO4
Azorubin pure3567-69-9C20H15N2NaO7S2
2-Fluoro-5-nitrophenylboronic acid425378-68-3C12H15BFNO4
(R)-(-)-2-Decanol(R)-(-)-2-???33758-15-5C10H22O
1-(2-bromoethyl)-2-pyrrolidinone(SALTDATA: FREE)1-(2-?????)????-2-?117018-99-2C6H10BrNO
3-Ethyl-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid3-??-4-??-3,4-?????-????-1-?????16015-48-8C11H10N2O3
Ethyl 2-(chloromethyl)-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate2-?????-5-??-4-??-3,4-?????-???[2,3-D]????-6-???????????89567-06-6C11H11ClN2O3S
6-Bromo-quinoline-2-carbonitrile6-???-???-2-?????65185-41-3C10H5BrN2
DL-4-Hydroxyphenyllactic Acid3-(4-???????)????306-23-0C9H10O4
6-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid(SALTDATA: FREE)32092-27-6C10H8N2O3
2-BroMoMethyl-4,6-diMethylpyridine79313-01-2C8H10BrN
2-PhenylthioMethylbenzoic Acid2-?????????1699-03-2C14H12O2S
1-(2-Acetoxy-ethyl)-2-methyl-1 H -benzoimidazole-5-carboxylic acid282091-90-1C13H14N2O4
4-Fluoro-3-methylbenzotrifluoride??,1-FLUORO-2-METHYL-4-(????????)-74483-52-6C8H6F4
N-Acetyl-4-fluoro-dl-phenylalanineN-????-4-FLUORO-DL-????17481-06-0C11H12FNO3
4-Phenoxypyridine4783-86-2C11H9NO
2-(4-Chlorophenyl)benzothiazole2-(4-?????)?????6265-91-4C13H8ClNS
N-(3-acetylphenyl)-2-methyl-3-nitrobenzamide(SALTDATA: FREE)314023-58-0C16H14N2O4
2'-Chloro-5'-nitroacetophenone23082-50-0C8H6ClNO3
N-(3-Iodobenzyl)guanidinium sulphate3-???????????-???103346-16-3C8H12IN3O4S
Methyl 2,5,6-trichloro-4-pyrimidinecarboxylate89284-85-5C6H3Cl3N2O2
(4'-chlorobiphenyl-3-yl)amine(SALTDATA: HCl)4'-???-???-3-???56970-11-7C12H10ClN
5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-2-carbohydrazide(SALTDATA: FREE)4H-??????[b]???-2-?????,5,6,7,8-??????-,?????(9CI)588696-80-4C10H14N2OS
2-Ethoxyethyl Isobutyrate?????2-?????????54396-97-3C8H16O3
4-Methylpyridazine, 97%1120-88-3C5H6N2
S-(+)-5,5'-Bis(diphenylphosphino)-2,2,2',2'-tetrafluoro-4,4'-bi-1,3-benzodioxole, dichloromethane adduct, min. 97% (S)-DIFLUORPHOS503538-70-3C38H24F4O4P2
Monilifomin potassium salt, 98%, from Fusarium proliferatum71376-34-6C4H3NaO3
1-Fluoro-1,1,2-trichloroethane1-FLUORO-1,1,2-???????811-95-0C2H2Cl3F
Malonic acid disodium salt monohydrate, 99%26522-85-0C3H4Na2O5
N2-Methyl-5-(trifluoromethyl)pyridine-2,3-diamine172648-55-4C7H8F3N3
3-(1-piperazinylmethyl)phenol(SALTDATA: 2HCl)3-(1-???????)??(SALTDATA:2HCl)443694-34-6C11H16N2O
2-Aminobenzaldehyde, 97%2-?????????529-23-7C7H7NO
2-[(E)-2-(2-aminophenyl)vinyl]quinolin-8-ol(SALTDATA: FREE)429651-60-5C17H14N2O
3-(3-Pyridyl)-D-alanine methyl esterdihydrochloride197088-84-9C9H13ClN2O2
(5-bromo-2-methoxybenzyl)[2-(2-fluorophenyl)ethyl]amine(SALTDATA: HBr)353779-39-2C16H17BrFNO
4-PhenoxyphenylMagnesiuM broMide21473-02-9C12H9BrMgO
Boc-S-trityl-D-penicillamineBOC-D-?(TRT)-OH135592-14-2C29H33NO4S
1-Methyl-1H-benzimidazole-2-sulfonic acid , 97%1-??-1H-??????-2-???5533-38-0C8H8N2O3S
3-(3-Pyrazin-2-yl-1,2,4-oxadiazol-5-yl)propanoicacid849925-05-9C9H8N4O3
Acenaphthenequinone, 95%82-86-0C12H6O2
1-Boc-4-methyl-piperazine, 98%1-Boc-4-??????53788-49-1C10H20N2O2
(R)-(+)-4-Dimethylaminopyrindinyl(pentaphenylcyclopentadienyl)iron, min. 98% (R)-C5Ph5-DMAP187682-64-0C45H36FeN2
4-Chlorobutyl Benzoate946-02-1C11H13ClO2
N-α-Boc-N-β-Fmoc-L-2,3-diaminopropionic acid, 99%122235-70-5C23H26N2O6
Methyl 2-amino-4-chlorobenzoate, 98%2-???-4-??????5900-58-3C8H8ClNO2
4-(3-AMinophenyl)-2-Methyl-3-butyn-2-ol69088-96-6C11H13NO
tert-Butyl 4-bromobutanoate 97%tert-??4-?????????110611-91-1C71H110NO15P
Dodecaethylene Glycol MonoMethyl Ether????????????????5702-16-9C25H52O13
5-[1-(2,3-dimethylphenoxy)ethyl]-4-ethyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)667413-67-4C14H19N3OS
4-tert-Butyl-1-azacycloheptane4-tert-?????(SALTDATA:FREE)78813-90-8C10H21N
4'-Acetyl-[1,1'-biphenyl]-4-carboxylic acid114691-92-8C15H12O3
5-ethoxy-2-phenyl-1-benzofuran-3-carboxylic acid(SALTDATA: FREE)300674-08-2C17H14O4
4-methyl-1,3-benzothiazole-2,6-diamine(SALTDATA: FREE)2,6-????????,4-??-(9CI)314033-52-8C8H9N3S
1,2-Dibromo-1,1,2-trichloroethane, 99%13749-38-7C2HBr2Cl3
cis-11-Hexadecenal53939-28-9C16H30O
5-Bromo-3-methylbenzo[b]thiophene-2-sulphonyl chloride5-???-3-????[B]???-2-??????338797-11-8C9H6BrClO2S2
4-ethoxy-3-iodobenzaldehyde(SALTDATA: FREE)184033-45-2C9H9IO2
Ethyl β-D-Thiogalactopyranoside56245-60-4C8H16O5S
di-t-Butylton oxideDI-T-??????19140-19-3C8H18OSn
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