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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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N-(5-Amino-2-methylphenyl)-4-(3-pyridyl)-2-pyrimidineamine, 99%152460-10-1C16H15N5
(R)-(+)-2,2'-Bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl (R)-(+)-H8-BINAP139139-86-9C44H40P2
4-(1H-benzimidazol-2-yl)-1,3-thiazol-2-amine(SALTDATA: FREE)7187-47-5C10H8N4S
2',3'-Difluoropropiophenone 97%10172-19-0C9H8F2O
4-Propylpiperidine4-N-???????22398-09-0C8H17N
1-(4-methylbenzyl)-1H-indole-3-carbaldehyde(SALTDATA: FREE)1-[(4-????)??]-1H-??-3-??????151409-79-9C17H15NO
5-(3-methyl-2-thienyl)-1,3,4-oxadiazol-2-amine(SALTDATA: FREE)1017048-74-6C7H7N3OS
3-Cyano-4-fluorobenzoic acid171050-06-9C8H4FNO2
Cholesteryl BroMide froM Beef Fat??????????516-91-6C27H45Br
D,L-Aspartic acid dibenzyl ester-p-toluenesulfonateD,L-?????????????-P-????????4079-62-3C25H27NO7S
Nalpha-Glycyl-DL-asparagine32729-21-8C6H11N3O4
2-Bromo-1,1,1,3-tetrafluorobut-2-ene 97%2-???-1,1,1933668-39-4C4H3BrF4
L-Tyrosylglycylglycine21778-69-8C13H17N3O5
N-Methyl(5-phenylpyrid-2-yl)methylamine , 97%N-??(5-?????-2-?)????892502-02-2C13H14N2
4-alpha-Phorbol 12,13-Dibutyrate >99%4??-???12,13-??????93781-54-5C28H40O8
2-Chloro-4-fluorobenzotrifluoride 98%2-???-4-??????????????94444-58-3C7H3ClF4
1-methyl-5-(trifluoromethyl)-1H-benzimidazol-2-amine(SALTDATA: HBr)1-??-5-(????????)-1H-??????-2-??(SALTDATA:HBr)945023-32-5C9H8F3N3
Diphenyldimethylgermane?????????7301-42-0C14H16Ge
3,5-Bis(trifluoroMethyl)styrene (stabilized with TBC)3,5-??(????????)???349-59-7C10H6F6
Chondroitin sulfate sodium, 90%, from pork bone????????????9082-07-9C42H57N3Na6O43S3X2
6-Mercapto-9-(2,3-O-isopropylidine-β-D-ribofuranosyl)purine, 98%2',3'-O-???????-6-?????5856-48-4C13H16N4O4S
Ruthenium(III) bromide hydrate14014-88-1Br3Ru
D-Lactose, 98%??63-42-3C12H22O11
4-Chloro-3,5-dinitrobenzoic acid, 99%4-???-3,5-????????118-97-8C7H3ClN2O6
2-[(3-phenyl-2-propen-1-yl)amino]ethanol(SALTDATA: HCl)99858-64-7C11H15NO
4,4'-Diantipyrylmethane monohydrate, 97%4,4'-???????????,9771501-10-5C23H24N4O2.H2O
(N-Hydroxycarbamimidoyl)-acetic acid ethyl ester(HYDROXYAMIDINO)-??????????89364-92-1C5H10N2O3
2-(2-Pyridin-2-yl-1H-indol-3-yl)ethylamine hydrochloride374064-08-1C15H16ClN3
2-[(2-chloro-3-pyridinyl)carbonyl]-2-azabicyclo[2.2.1]heptane(SALTDATA: FREE)1082766-10-6C12H13ClN2O
Tris(cyclopentadienyl)cerium(III) (99.9%-Ce) (REO)???(?????????)??1298-53-9C15Ce
5-Bromo-2-hydroxypyrimidine, 95%214290-49-0C4H3BrN2O
N-1,3-benzothiazol-2-yl-2-chloroacetamide(SALTDATA: FREE)N-(1,3-?????-2-YL)-2-?????????3028-02-2C9H7ClN2OS
N-isobutyl-3-phenyl-2-propen-1-amine(SALTDATA: HCl)-N-????-3-?????-2-EN-1-??144608-94-6C13H19N
trans-Cyclohexane-1,4-dicarboxylic acid diamide???-??????-1,4-??????????54657-09-9C8H14N2O2
1,4,7,10,13,16-Hexaazacyclooctadecane296-35-5C12H30N6
6-(Trifluoromethyl)pyridine-3-amidoxime6-(????????)???-3-????386704-16-1C7H6F3N3O
3,5-Bis(trifluoromethyl)benzenesulfonamide3,5-??(????????)???????39213-22-4C8H5F6NO2S
3-Acetyl-1-(2,4-dichlorophenyl)-5-methyl-1,2,4-triazole854737-98-7C11H9Cl2N3O
(1R,2R)-N,N'-Bis(2-acetyl-3-oxo-2-butenylidene)-1,2-diMesitylethylenediaMinato Cobalt(II)361346-80-7C32H38CoN2O4
3-amino-N,2-dimethylpropanamide(SALTDATA: HCl)3-???-N,2-?????????(SALTDATA:HCl)182493-88-5C5H12N2O
4-(1-Pyrrolidinylmethyl)piperidine dihydrochloride4-(1-???????)????????780756-54-9C10H21ClN2
2-Methoxy-5-nitroaniline5-????-o-????99-59-2C7H8N2O3
BriMonidine59803-98-4C11H10BrN5
4-Benzyl-2H-1,2,4-benzothiadiazin-3(4H)-on-1,1-dioxide964-08-9C14H12N2O3S
4-Methoxy-6-methyl-2-(methylthio)pyrimidine, 97%55749-33-2C7H10N2OS
Benzoyl-DL-phenylalanine2901-76-0C16H15NO3
2-Fluorophenethylisocyanide730964-62-2C9H8FN
4-Amino-N-(4,5-dihydro-thiazol-2-yl)-benzenesulfonamide32395-02-9C9H11N3O2S2
Methyl (Phenylthio)acetate??(????)?????17277-58-6C9H10O2S
Furan-2-ylmethyl-(2-methyl-benzyl)-amineFURAN-2-YLMETHYL-(2-METHYL-BENZYL)-??225236-01-1C13H15NO
β-Cyclodextrin hydrate, 99%68168-23-0C42H70O35
1-Boc-2-Amino-azetidine1-BOC-2-???-????889942-34-1C8H16N2O2
BOC-DL-3,3-diphenylalanine2-BOC-???-3,3-????????119363-63-2C20H23NO4
4-Fluorophenylhydrazine4-??????????371-14-2C6H7FN2
4-(HydroxyMethyl)cyclohexanol (cis- and trans- Mixture)4-(??????)??????(?????????)33893-85-5C7H14O2
Okadaic acid, Potassium salt >98%???????155751-72-7C44H67KO13
5-(bromomethyl)-3-ethyl-4,5-dihydroisoxazole(SALTDATA: FREE)5-(?????)-3-??-4,5-?????????938458-87-8C6H10BrNO
CoManic Acid??499-05-8C6H4O4
3-Ethoxyacrylonitrile (cis- and trans- Mixture)3-??????????61310-53-0C5H7NO
1-Pyridin-4-ylbutane-1,4-diamine1-???-4-???-1,4-???374064-03-6C9H15N3
{[2-nitro-4-(trifluoromethyl)phenyl]sulfinyl}acetic acid(SALTDATA: FREE)957372-02-0C9H6F3NO5S
N-Methyl-3-(3-methyl-1,2,4-oxadiazol-5-yl)benzylamine , 95%N-??-3-(3-??-1,2,4-?????-5-?)????921938-59-2C11H13N3O
Bis(2-aminophenyl)diselenide??(2-?????)?????63870-44-0C12H12N2Se2
1H,1H,2H,2H-Perfluoro(8,8-dimethyl-1-iodo-7-oxaoctane)25080-24-4C9H4F15IO
4-(Trifluoromethyl)-D-phenylalanine, N-FMOC protected238742-88-6C25H20F3NO4
4,6-Dichloro-5-pyrimidinecarbaldehyde, 96%5305-40-8C5H2Cl2N2O
Laccase, from Trametes versicolor, >=0.5units/mg???80498-15-3C9H13NO
3-Methyl-3-oxetanemethanol, 97.5%??(3-)-3-??????3143-02-0C5H10O2
(Chloromethyl)cyclopropane, 97%5911-08-0C4H7Cl
(4-methylbenzyl)hydrazine(SALTDATA: HCl)4-??-??-????51421-17-1C8H12N2
5-BenzylaMino-1-pentanol5-?????-1-???2937-99-7C12H19NO
N-(p-Toluoyl)glycine27115-50-0C10H11NO3
5-Bromo-1-triisopropylsilanyl-1H-pyrrolo-[2,3-b]pyridine5-???-1-??????????-1H-???[2,3-B]???858116-66-2C16H25BrN2Si
(4R,5R)-1,3-DiMethyl-4,5-diphenyl-2-[(S)-1-benzyl-2-hydroxyethyliMino]iMidazolidine337308-63-1C26H29N3O
3-Chloro-4-propoxybenzaldehyde3-???-4-??????????(?????:??)99070-71-0C10H11ClO2
5-tert-Butyl-thiophene-2-carboxylic acid5-tert-??-???-2-?????478022-18-3C15H16ClNO4S2
cis-3,4-piperidinediol(SALTDATA: HCl)cis-3,4-??????(SALTDATA:HCl)39640-70-5C5H11NO2
L-Selenocystine, 98%29621-88-3C6H12N2O4Se2
4-Methoxycinnamic acid ethyl ester, 98%24393-56-4C12H14O3
9-Phenanthracenylboronic acid, 98%B-9-???????68572-87-2C14H11BO2
Bismuth(III) iodide (99.999%-Bi) PURATREM???? ?????7787-64-6BiI3
Boc-(S)-3-amino-4-(4-trifluoromethylphenyl)-butyric acid270065-80-0C16H20F3NO4
Vinylbenzyl alcohol, mixture of isomers, stabilized, 90%30584-69-1C27H30O3
C-(1-Methyl-1H-imidazol-2-yl)-C-p-tolyl-methylamine dihydrochlorideC-(1-??-1H-????-2-?)-Cp-??-?????????????1216236-39-3C12H16ClN3
2-(Bromomethyl)-4-fluorobenzonitrile2-CYANO-5-FLUOROBENZYL??421552-12-7C8H5BrFN
Diisopropylsilane????????18209-66-0C6H16Si
3-Bromo-2-methylbenzoyl chloride 98%3-???-2-??????????21900-48-1C8H6BrClO
N-EthylsucciniMideN-???????2314-78-5C6H9NO2
Bis(2-hydroxy-5-chlorophenyl) Sulfide2,2''-????(4-?????)97-24-5C12H8Cl2O2S
6-amino-4-ethyl-2H-1,4-benzoxazin-3(4H)-one(SALTDATA: FREE)103361-44-0C10H12N2O2
(E)-tert-Butyl 4-acetoxybut-2-enoate(E)-tert-??4-??????-2-?????902154-51-2C10H16O4
M-Xylene-4-sulfonic Acid HydrateM-???-4-???88-61-9C8H10O3S
n-Pentylmethyldichlorosilane13682-99-0C6H14Cl2Si
4-Chloro-1H-pyrrolo[2,3-b]pyridin-5-ol4-???-1H-???[2,3-B]???-5-OL1020056-82-9C7H5ClN2O
Methyl 3,5-dihydroxybenzoate, 98%??3,5-??????????2150-45-0C8H8O4
4-Nitrophenylglyoxal hydrate 95%4996-22-9C8H7NO5
(pyridin-4-ylmethyl)(tetrahydrofuran-2-ylmethyl)amine(SALTDATA: FREE)???-4-???-(??????-??-2-???)-??436086-99-6C11H16N2O
6,7-dimethyl-1H-indole-2,3-dione(SALTDATA: FREE)6,7-??????20205-43-0C10H9NO2
Chloro[(R)-(+)-5,5'-bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole](p-cyMene)rutheniuM(II) chloride [RuCl(p-cyMene)((R)-segphos?)]Cl???[(R)-(+)-5,5'-??(???????)-4,4'-bi-1,3-?????](p-??)???(II)???[RuCl(p-??)((R)-????)]Cl944451-28-9C48H40Cl2O4P2Ru
5-Amino-1-(tert-butyl)-1H-pyrrole-3-carbonitrile5-???-1-(tert-??)-1H-??-3-??????269726-49-0C9H13N3
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