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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: https://www.jkchemical.com
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Tetrafluorophthalic anhydrid, 97%??? ??? ???652-12-0C8F4O3
3,3'-Diphenylpropylamine, 97%3,3-????????5586-73-2C15H17N
Bis(tetramethylcyclopentadienyl)zirconium dichloride, min. 97%??(?????????????)??????????119445-90-8C18H24Cl2Zr
Cis-1-N-Cbz-1,4-Cyclohexyldiamine??CIS-4-??????????????149423-70-1C14H20N2O2
2-Chloro-6-(trifluoroMethyl)nicotinic Acid280566-45-2C7H3ClF3NO2
Pyridoxine 3,4-DipalMitate????3,4-??????992-42-7C40H71NO5
3-BroMo-4704-77-2C3H7BrO2
2-BroMo-1-(2 furyl)-1-ethanone2-???-1-(2-??)-1-???15109-94-1C6H5BrO2
(R)-(+)-1-AMino-2-(MethoxyMethyl)pyrrolidine(R)-(+)-1-???-2-(?????)????72748-99-3C6H14N2O
3,5-Bis(trifluoromethyl) benzaldehyde, 97%3,5-??(????????)??????401-95-6C9H4F6O
Tris(p-trifluoromethylphenyl)phosphine, min. 97%???(4-??????????)???13406-29-6C21H12F9P
5,10,15,20-Tetrakis(3,5-diMethoxyphenyl)porphyrin5,10,15,20-TETRAKIS(3,5-DIMETHOXYPHENYL)-21H,23H-???74684-34-7C52H46N4O8
2-{[(4-Fluorophenyl)sulfonyl]amino}-3-phenylpropanoic acid2-([(4-??????)???]???)-3-??????40279-96-7C15H14FNO4S
3-(2,3-Dimethoxyphenyl)-3-oxo-propionic acidethyl ester3-(2,3-????-??)-3-??-???????????528830-98-0C13H16O5
4-Propylbenzenesulfonyl Chloride146949-07-7C9H11ClO2S
Amitriptyline hydrochloride, 98%, a dibenzocycloheptene-derivative tricyclic antidepressant (TCA)1-?????,3-(10,11-??????-5H-????(a,d)??????-5-???)-N,N-????-,?????????549-18-8C20H24ClN
(5-Methylisoxazol-3-yl)methanol, 97%(5-??????-3-?)???35166-33-7C5H7NO2
5-Phenylvaleric Acid2270-20-4C11H14O2
Cyclohexyl anthranilate????????????7779-16-0C13H17NO2
[(7-hydroxy-5-methyl[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)thio]acetic acid(SALTDATA: H2O)67740-23-2C8H8N4O3S
1,2,4-Benzenetricarboxylic anhydride, 98%????????552-30-7C9H4O5
Chelerythrine chloride, 98%3895-92-9C21H18ClNO4
2,4-dihydroxy-5-methoxybenzaldehyde(SALTDATA: FREE)2,4-??????-5-?????????51061-83-7C8H8O4
(S)-3-Aminomethyl-1-benzylpyrrolidine(S)-3-?????-1-??????229323-07-3C12H18N2
3-Chloro-4-fluorobenzyl chloride 98%3-???-4-???????????2994-69-6C7H5Cl2F
4-Bromo-2-fluorobenzonitrile, 98%105942-08-3C7H3BrFN
2-BroMo-4-fluorobenzyl Alcohol229027-89-8C7H6BrFO
2-Bromo-5-thiazolecarboxylic acid, 97%2-???-5-????????54045-76-0C4H2BrNO2S
Acid Violet 43, 95%6-((4-?????-1-??????)???)-??-????? ?, ????? ?4430-18-6C21H16NNaO6S
3-(Chloromethyl)-5-(3-thienyl)-1,2,4-oxadiazole , 97%3-(?????)-5-(3-???)-1,2,4-?????184970-24-9C7H5ClN2OS
trans-2-Hexenyl Isovalerate???-2-??????????68698-59-9C11H20O2
3-(2-Thiophen-2-yl-acetylamino)-benzoic acid3-(2-???-2-?-??????)-???206983-05-3C13H11NO3S
3-Fluoro-5-bromotoluene202865-83-6C7H6BrF
Magnesium tungstate (99.9%-W)???????13573-11-0MgO4W
Hexane-d14, 99 atom%D21666-38-6C6D14
Lithium metaborate, anhydrous, (99.9%-Li)?? ??????13453-69-5BH2LiO2
1H-Imidazol-4-ylacetic acid hydrochloride????-4-????645-65-8C5H6N2O2
2,2-Dimethylpyrrolidine hydrochloride2,2-??????????623580-01-8C6H14ClN
Fmoc-O-tert-butyl-L-trans-4-hydroxyproline, 99%122996-47-8C24H27NO5
tert-Butyl N-Allylcarbamate, 98%78888-18-3C8H15NO2
(2E)-3-(2,3-Dihydro-1,4-benzodioxin-6-yl)acrylic acid3-(2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL)????14939-91-4C11H10O4
2-Chloro-N-(3,4-difluorophenyl)acetamide2-???-N-(3,4-???????)??????76778-13-7C8H6ClF2NO
1-(Phenylsulfonyl)pyrrole, 99%1-(?????)??16851-82-4C10H9NO2S
2-Bromopyridine-4-methanol, 96%118289-16-0C6H6BrNO
1-Piperonylpiperazine, 98%32231-06-4C12H16N2O2
PentabroMoethane???????75-95-6C2HBr5
3-Methyl-5-oxo-5-phenylvaleric acid3-??-5-??-5-??????2840-61-1C12H14O3
D-Lysine hydrochloride, 99%7274-88-6C6H15ClN2O2
Thiophene-2-carboxylic acid, 98%2-???????527-72-0C5H4O2S
Hydrazine Acetate???? ????13255-48-6C2H6N2O2
4-Aminophenylsulfur pentafluoride, 97%4-???????????????2993-24-0C6H6F5NS
L-Selenomethionine, 98%3211-76-5C5H11NO2Se
(Dimethylamino)acetaldehyde diethyl acetal, 98%??????????????????3616-56-6C8H19NO2
4-(Trifluoromethyl)benzylamine, 98%4-(????????)????3300-51-4C8H8F3N
Bromotrichloromethane, 98%??????????75-62-7CBrCl3
4-ethyl-5-[1-(4-ethylphenoxy)ethyl]-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)669708-91-2C14H19N3OS
2,2-dimethyl-5-phenyldihydrofuran-3(2H)-one(SALTDATA: FREE)63678-00-2C12H14O2
2,6-Pyridinedicarboxylic acid, 99%??????499-83-2C7H5NO4
2,5-Diamino-1,4-benzenedithiol dihydrochloride, 97%2,5-DIAMINO-1,4-?????????75464-52-7C6H10Cl2N2S2
1H-pyrazol-1-ylacetonitrile(SALTDATA: FREE)1H-???-1-???????113336-22-4C5H5N3
3-Bromo-N-(tert-butyl)benzamide 97%3-???-N-(tert-??)?????42498-39-5C11H14BrNO
Tetrahydrofurfuryl Chloride????????????????3003-84-7C5H9ClO
(11bS)-(-)-4,4-Dibutyl-2,6-bis[3,5-bis(trifluoroMethyl)phenyl]-4,5-dihydro-3H-dinaphtho[2,1-c:1',2'-e]phosphepiniuM broMide, 99% S-Maruoka CAT P-NB1110813-90-5C46H40BrF12P
Cesium bromide (99.9%-Cs)???? ??7787-69-1BrCs
2,6-Bis[(4R)-(+)-isopropyl-2-oxazolin-2-yl]pyridine, 98%(R,R)-2,2'-(2,6-?????)BIS(4-?????-2-????)131864-67-0C17H23N3O2
2,2-Difluoroethylamine, 97%2,2- ??????? -1- ??430-67-1C2H5F2N
Tetraethoxygermane?????????1465-55-0C13H11N3O3S
1-(3-Fluorophenyl)cyclohexanecarboxylic acid, 98%1-(3-??????)???????????,98214262-98-3C13H15FO2
5-Methoxybenzofuran5-???????13391-28-1C9H8O2
1-cyclopentyl-1H-pyrrole-3-carbaldehyde(SALTDATA: FREE)1-??????-1H-??-3-???????(SALTDATA:FREE)1071359-81-3C10H13NO
Dimethylphenylphosphine, 99%672-66-2C8H11P
4-Bromo-2-(trifluoromethyl)aniline, 97%445-02-3C7H5BrF3N
6-Isocyanatochroman , 97%6-?????????1002727-87-8C10H9NO2
1-(3,4-Dimethoxy-benzoyl)-piperidine-4-carboxylicacid1-(3,4-????-???)-????-4-?????510739-78-3C15H19NO5
6-chloro-2-(2-methylphenyl)quinoline-4-carboxylic acid(SALTDATA: FREE)6-???-2-(2-????)???-4-???????669726-49-2C17H12ClNO2
Methyl 1-methyl-1H-imidazole-4-carboxylate1-METHYL-1H-IMIDAZOLE-4-CARBOXYLICACID??????17289-19-9C6H8N2O2
(S)-(-)-4-Isopropyl-2-oxazolidinone, 98%17016-83-0C6H11NO2
2-Methyl-5-nitroimidazole, 99%2-??-5-???????88054-22-2C4H5N3O2
3-(2-Oxo-2,3-dihydro-1,3-benzoxazol-3-yl)propanoic acid , 97%13610-59-8C10H9NO4
4-[2-(Morpholin-4-yl)ethoxy]benzaldehyde 97%4-(2-MORPHOLIN-4-YL-ETHOXY)-?????82625-45-4C13H17NO3
6-Methoxynicotinonitrile, 97%15871-85-9C7H6N2O
3,5-Bis(trifluoromethyl)-dl-phenylalanine237076-69-6C11H9F6NO2
2,2'-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol], 99%??(2-??????-5-T-??-3-(??????-2-?)??)??103597-45-1C41H50N6O2
(R)-(+)-1-(p-Tolyl)ethylaMine(R)-(+)-1-(4-????)????4187-38-6C9H13N
4-(Diethylphosphono)butanoic acid??????????38694-48-3C8H17O5P
2'-Fluoro-3'-(trifluoromethyl)acetophenone2'-FLUORO-3'-(TRIFLUOROMETHYL)?????207853-63-2C9H6F4O
4-MethylcyclohexylaMine (cis- and trans- Mixture)4-?????????6321-23-9C7H15N
Rutin, 98%??153-18-4C27H30O16
2-Methoxybenzoyl chloride, 98%?????????21615-34-9C8H7ClO2
2-Fluorobenzyl isothiocyanate 98%2-???????????????64382-80-5C8H6FNS
Methyl 2-chlorophenylacetate, 98%??2-??????????57486-68-7C9H9ClO2
N -(4-Methyl-benzothiazol-2-yl)-succinamic acid312594-50-6C12H12N2O3S
DihydroergotaMine Mesylate6190-39-2C33H37N5O5.CH4O3S
1,2,4-Trifluorobenzene, 98%1,2,4-????????367-23-7C6H3F3
Methyl 5-bromo-4-methyl-2-thiophenecarboxylate, 97%??5-???-4-??-2-?????????54796-47-3C7H7BrO2S
5,6-Dichloro-3-pyridineMethanol5,6-????-3-??????54127-30-9C6H5Cl2NO
1-Bromo-2,4-difluoro-3-methylbenzene1-???-2,4-?????-3-???221220-97-9C7H5BrF2
Ethyl 2-Thiophenecarboxylate2810-04-0C7H8O2S
4'-Bromo-3'-fluoroacetanilide351-30-4C8H7BrFNO
[2-(1H-1,2,4-Triazol-1-ylmethyl)phenyl]methanol , 97%[2-(1H-1,2,4-TRIAZOL-1-YLMETHYL)PHENYL]???884507-25-9C10H11N3O
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