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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
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URL: www.jkchemical.com
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Sodium hexafluorophosphate, 99%??? ?????????21324-39-0F6NaP
Resorufin????635-78-9C12H7NO3
4-Fluoro-2-methoxybenzonitrile191014-55-8C8H6FNO
5-Fluorotryptophan, 97%154-08-5C11H11FN2O2
2,3-Difluoro-4-Methylbenzyl broMide2,3-?????-4-?????????261763-43-3C8H7BrF2
4-Nitrophenyl Isothiocyanate2131-61-5C7H4N2O2S
Azo Blue6059-34-3C34H24N4Na2O8S2
3-BroMo-2-chloro-5-Methylpyridine17282-03-0C6H5BrClN
ε-Caprolactone monomer, 99%?????502-44-3C6H10O2
Pyrazine, 99%290-37-9C4H4N2
3-Bromothioanisole, 98%33733-73-2C7H7BrS
2-Chloro-4-iodo-pyridine-3-carbaldehyde, 97%153034-90-3C6H3ClINO
Sulforhodamine 101, 99%60311-02-6C31H30N2O7S2
1-Chloro-1-fluoroethylene2317-91-1C2H2ClF
1-Methyl-2-pyrrolidinone, 99.99%, for headspace gas chromatographyN-??-2-?????872-50-4C5H9NO
1-(2-fluorophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde(SALTDATA: FREE)153881-54-0C13H12FNO
N,O-Bis(diethylhydrogensilyl)trifluoroacetaMide [SiMultaneous cyclic silylene and silyl derivatizing reagent for GC]N,O-BIS(??????????)????????????105384-38-1C10H22F3NOSi2
(S)-3-(Aminomethyl)-1-Boc-piperidine, 97%(S)-N-Boc-3-?????????140645-24-5C11H22N2O2
3-Cyano-4-fluorophenylboronic acid pinacol ester775351-57-0C13H15BFNO2
Dichloro(ethyl)methylsilane, 97%4525-44-4C3H8Cl2Si
2,3-Dihydroxy-6,7-dimethylquinoxaline, 97%2,3-??????-6,7-???????2474-50-2C10H10N2O2
1-Bromo-2,4-dimethoxybenzene, 98%17715-69-4C8H9BrO2
2,4-Difluorophenylhydrazine hydrochloride, 98%51523-79-6C6H7ClF2N2
2-ForMyl-1,1'-biphenyl1203-68-5C13H10O
Trimethylindium, elec. gr. (99.999%-In) PURATREM??????3385-78-2C3H9In
D-2,3-Diaminopropionic acid monohydrochloride, 99%6018-56-0C3H9ClN2O2
HeMoglobin froM Swine?????9008-02-0C13H10N2O2
α-(2,4-Dichlorophenyl)-1H-imidazole-1-ethanol, 98%24155-42-8C11H10Cl2N2O
3-AMinopropionitrile (stabilized with K2CO3)??-??????????151-18-8C3H6N2
2-(4-Aminophenyl)propanenitrile2-(4-?????)????????28694-90-8C9H10N2
2-Piperazin-1-yl-acetamide dihydrochloridehemihydrate2-????-1-?-?????55829-43-1C6H13N3O
Sodium sulfite, anhydrous, 98+% (ACS)??????7757-83-7Na2O3S
1-PhenacylpyridiniuM BroMide1-???????? ?????16883-69-5C13H12BrNO
5,5-DiMethyldihydrofuran-2-one5,5-????-??????-??-2-?3123-97-5C6H10O2
2-Bromo-4'-chloroacetophenone, 98%4-???-2'-????????536-38-9C8H6BrClO
Zinc iodide, 98+%?? ?????10139-47-6I2Zn
3,4-Dichlorobenzotrifluoride, 97%?????????????328-84-7C7H3Cl2F3
1,8-Bis(hydroxyMethyl)anthracene1,8-??(???????)????34824-20-9C16H14O2
Di-p-tolylphosphine, 99% (10 wt% in hexanes)???????1017-60-3C14H15P
Methyl 3-Methoxyphenylacetate??3-??????????18927-05-4C10H12O3
2,5-Anhydro-D-Mannitol41107-82-8C6H12O5
4-Ethylbenzaldehyde, 99%4-????????4748-78-1C9H10O
Diphenylacetaldehyde??????????947-91-1C14H12O
4-(2-Methoxyphenoxy)piperidine (SALTDATA: FREE)4-(2-??????)????28033-32-1C12H17NO2
2,3-DiMethoxybenzyl chloride2,3-?????????3893-01-4C9H11ClO2
5-Bromobenzothiophene-3-carboxylic acid, 97%7312-24-5C9H5BrO2S
4-(2-IodoacetaMido)-2,2,6,6-tetraMethylpiperidine 1-Oxyl Free Radical25713-24-0C11H20IN2O2*
O-(1H-6-Chlorobenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate, 98%330645-87-9C11H15ClF6N5OP
Iodopyrazine, 95%32111-21-0C4H3IN2
2-Amino-N-methylacetamide hydrochloride49755-94-4C3H9ClN2O
Bismuth(III) oxide (99.9998%-Bi) PURATREM???????1304-76-3BiO3-
5-Ethylhydantoin5-??????15414-82-1C5H8N2O2
7-Hydroxy-4-methylcoumarin, 98%??? 490-33-5C10H8O3
1,2,2-Trifluoro-2-hydroxy-1-(trifluoromethyl)-ethanesulfonic acid sultone, 97%??????-3-????????-1,2-?????-2,2-?????773-15-9C3F6O3S
4-Amino-4H-1,2,4-triazole, 99%4-???-4H-1,2,4-????584-13-4C2H4N4
3-(4-methoxyphenyl)propanohydrazide(SALTDATA: FREE)3-(4-?????)?????????121670-33-5C10H14N2O2
3-(Trimethoxysilyl)propyl methacrylate, 98%3-(?????????)???????2530-85-0C10H20O5Si
5-fluoro-2-(piperidin-3-ylmethyl)-1H-benzimidazole(SALTDATA: FREE)5-????-2-(????-3-???)-1H-??????(SALTDATA:??)947014-08-6C13H16FN3
5-Fluoro-2-hydroxyacetophenone, 97%394-32-1C8H7FO2
Phenylpropiolic acid, 96%637-44-5C9H6O2
Vinyl terminated Polydimethylsiloxane cSt 200??/STPD ?????????68083-19-2N/A
1,5-Bis(diphenylphosphino)pentane, min. 98%1,5- ?? (? ?? ?? ??) ??27721-02-4C29H30P2
PotassiuM (4-Methoxyphenyl)trifluoroborate4-????????????? ??192863-36-8C7H7BF3KO
7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic Acid, 90%68077-26-9C12H9ClFNO3
Guanidine hydrochloride, 99%??????50-01-1CH5N3.ClH
3-Methylpyridine N-Oxide1003-73-2C6H7NO
5-Acetyl-2-thiophenecarbaldehyde, 97%5-???-2-?????????4565-29-1C7H6O2S
p-Xylylene Dicyanide622-75-3C10H8N2
3-Fluorobenzylamine, 97%3-????????100-82-3C7H8FN
2-(3-Benzoylphenyl)propionitrile, 98%42872-30-0C16H13NO
Tris(hydroxymethyl)phosphine, min. 95%2767-80-8C3H9O3P
5-Chloro-2-iodotoluene23399-70-4C7H6ClI
Meso-Tetra(p-hydroxyphenyl)porphine51094-17-8C44H30N4O4
Ammonium trifluoroacetate 98%3336-58-1C2H4F3NO2
Aminodiphenylmethane, 99%????????91-00-9C13H13N
(Propargyloxy)trimethylsilane, 97%5582-62-7C6H12OSi
Fmoc-4-nitro-L-phenylalanine, 97%Fmoc-4-???-L-?????95753-55-2C24H20N2O6
5-amino-6-methoxy-1,3-dihydro-2H-benzimidazol-2-one(SALTDATA: FREE)65740-56-9C8H9N3O2
2,6-Dichloro-3-nitropyridine, 98%16013-85-7C5H2Cl2N2O2
6-Methyl-2-heptanone6-??-2-???928-68-7C8H16O
2,6-Di-tert-butyl-4-ethylphenol2,6-?-t-??-4-????4130-42-1C16H26O
4-(3-Pyridinyl)-2-pyrimidine amine, 97%66521-66-2C9H8N4
N-Boc-L-valinol, 98%79069-14-0C10H21NO3
Tris(hydroxymethyl)aminomethane, 99.9%, for Electrophoresis???(???????)?????77-86-1C4H11NO3
4-Methylmorpholine N-oxide monohydrate, 97%4-??????N-????????70187-32-5C5H11NO2
2-Hydroxy-3-nitro-5-(trifluoroMethyl)pyridine33252-64-1C6H3F3N2O3
Isopropyltriphenylphosphonium iodide, 98%?????????????????24470-78-8C21H22IP
1-Phenyl-1-nonyne1-??-1-???57718-18-0C15H20
1-(2-chloropropanoyl)azepane(SALTDATA: FREE)115840-34-1C9H16ClNO
Magnesium sulfate, anhydrous, 99+%??????7487-88-9MgSO4
Arsenazo III [SpectrophotoMetric reagent for U, Th, Zr and other Metals, Indicator for the precipitation titration of SO4 with Ba]????? Ⅲ1668-00-4C22H18As2N4O14S2
Trifluoroacetaldehyde ethyl hemiacetal, 90%433-27-2C4H7F3O2
1-(CarbaMoylMethyl)pyridiniuM Chloride1-(???????)???????41220-29-5C7H9ClN2O
3,3,3-Trifluoropropyl-trimethoxysilane, 97%(3,3,3-??????????)?????????429-60-7C6H13F3O3Si
D-(+)-Fenchone??(+-)4695-62-9C10H16O
3-BroMo-4'-isopropylbenzophenone3-???-4'-ISO-???????844879-27-2C16H15BrO
n-Butyl carbamate, 97%592-35-8C5H11NO2
1H,1H,2H,2H-Perfluorodecyliodide, 97%1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-????????-10-?????2043-53-0C10H4F17I
4,4'-Di-n-octyloxyazoxybenzene4,4'-DI-N-?????????25729-12-8C28H42N2O3
Lead wire (99.9995%)?7439-92-1Pb
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