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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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Desogestrel, 99%, a third-generation 19-nortestosterone derivative progestogen??????54024-22-5C22H30O
2-Chloro-3-[4-(4-chlorophenyl)cyclohexyl-d5]-1,4-naphthalenedione1189507-64-9C22H13D5Cl2O2
(3β,22S)-Dihydroxy Cholesterol(3β,22S)-??????????26649-05-8C27H46O3
Dehydrosertindole173294-84-3C24H24ClFN4O
3-Nitro-5-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)benzoic acid(3-CARBOXY-5-NITROPHENYL)??,???????377780-80-8C13H16BNO6
2,4,6-Triiodo-3-(N-MethylcarbaMoyl)-5-(N-MethylacetylaMino)benzoic Acid3-(????????)-2,4,6-?????-5-[(?????)????]???21656-26-8C12H11I3N2O4
1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-Methylethyl)phenyl]-1-propanone1258428-71-5C29H26ClNO2
Methyl-1-(6-tert-butyldiMethylsylyl-4'-hydroxyraloxifene)-2,3,4-tri-O-acetyl-β-D-glycopyranuronateMethyl-1-(6-tert-butyldimethylsylyl-4'-hydroxyraloxifene)-2,3,4-tri-O-acetyl-D-??????????174264-48-3C47H57NO13SSi
Metoprolol Acid-d5 Ethyl Ester??????-d5??????1189704-28-6C16H25NO4
Prazosin-d8????-d81006717-55-0C19H21N5O4
IMipraMine hydrochloride?????50-49-7C19H24N2
Nicotinic Acid-d1????-d1116975-14-5C6H4DNO2
2-(4-Methyl-5-thiazolyl)ethyl Butyrate2-(4-?????-5-?)???????94159-31-6C10H15NO2S
2,4-DiMethylphenol-3,5,6-d3 (95-98%)93951-75-8C8H7D3O
Monopropylheptylphthalate 6-Hydroxy-d41412411-11-0C18H26O5
3-Chloro-4-(dichloroMethyl)-5-hydroxy-2(5H)-furanone77439-76-0C5H3Cl3O3
N-[[3,7-Bis(diMethylaMino)-10H-phenothiazin-10-yl]carbonyl]glycine MonosodiuM salt115871-18-6C19H23N4NaO3S
3-(2-Methoxyethyl)phenolM-(2-?????)??32846-01-8C9H12O2
(1S,3S,4R)-Entecavir(1S,3S,4R)-?????1367369-79-6C12H15N5O3
MethyldibroMoglutaronitrile1,2-????-2,4-??????35691-65-7C6H6Br2N2
Triton N-101 Polyethylene glycol nonaphenyl ether Alkylphenol ethoxylates:123359-41-1C68H136O21
(Tetrahydro-furan-2-yl)-acetic acid2-(???-2-?)????2434-00-6C6H10O3
N-(N-Benzoyl-L-tyrosyl)-L-alanineN-(N-???-L-???)-L-???76264-09-0C19H20N2O5
α-Cyclohexyl-α-hydroxy-3-cyclohexene-1-acetic Acid 4-(DiethylaMino)-2-butyn-1-yl Ester1199574-71-4C22H35NO3
3-DifluoroMethylaniline3-(????????)???368-99-0C7H7F2N
Cefprozil?????(cefprozil)92665-29-7C18H19N3O5S
Tetrahydrozoline hydrochloride, 98%???????? ?????522-48-5C13H17ClN2
β-Thionicotinamide adenine dinucleotide, 90%, Oxidized form???????????????????4090-29-3C21H27N7O13P2S
Difluoromethyl phenyl sulfone, 98%[(???????)???]??1535-65-5C7H6F2O2S
2'-Deoxy-L-adenosine, 98%2'-???-BL-????14365-45-8C10H13N5O3
Bis(4-fluorophenyl)chlorophosphine, min. 97%??(4-??????)??????23039-97-6C12H8ClF2P
2,3-dichloropyridin-4-ol, 95%2,3-????-4-???????1174047-06-3C5H3Cl2NO
N-Benzyl Epinephrinerac????????D1095714-91-2C16H19NO3
3-?Hydroxy-hexadecanoic Acid2398-34-7C16H32O3
4-(2-Methylpropyl)benzeneethanol4-(2-?????)?????36039-35-7C12H18O
Glycopyrrolate, 98%596-51-0C19H28BrNO3-
Mycophenolate mofetil, 98%, a reversible inhibitor of (IMPDH1/2)128794-94-5C23H31NO7
6-Bromo-2-(4-bromophenyl)-indole, 95%6-BroMo-2-(4-broMophenyl)-??28718-96-9C14H9Br2N
2,3,4',5-Tetrachlorobiphenyl74472-34-7C12H6Cl4
Tolclofos-Methyl57018-04-9C9H11Cl2O3PS
3-Butyl-1-chloro-5,10-dihydro-8-(2-cyanophenyl)iMidazol-[1,5-b]isoquinoline1246814-77-6C22H20ClN3
Carbocisteine-13C3???????-13C31391068-19-1C5H9NO4S
5,6-Monoepoxyretinyl Acetate5,6-???-5,6-????????????801-72-9C22H32O3
N6-Benzyl-5'-ethylcarboxaMido AdenosineN6-??-5'-?????????????152918-32-6C19H22N6O4
2,2',3,4,5'-Pentachlorobiphenyl2,2',3,4,5'-?????????38380-02-8C12H5Cl5
Methyl broMochloroacetate????????????20428-74-4C3H4BrClO2
FMoc-3-benzoyl-1-triphenylMethyl-erythro-sphingosineFMOC-3-???-1-??????-????-????676485-57-7C59H65NO5
Silafluofen??????105024-66-6C25H29FO2Si
(S)-(-)-6,6'-Dimethyl-2,2'-biphenyldiamine, 98%3685-05-0C14H16N2
Isotachysterol???????469-06-7C28H44O
2-ISOPROPENYL-2-OXAZOLINE2-??????-2-????10471-78-0C6H9NO
4-Maleimidobutyric acid, 98%4-???????? ?57078-98-5C8H9NO4
2,4,4?TribroModiphenyl ether41318-75-6C12H7Br3O
BenfotiaMine22457-89-2C19H23N4O6PS
2,3-Dichloro-2'-piperidinoMethyl benzophenone898773-65-4C19H19Cl2NO
(11bS)-2,6-Bis[bis[3,5-bis(trifluoroMethyl)phenyl]hydroxyMethyl]-3,5-dihydrospiro[4H-dinaphth[2,1-c:1',2'-e]azepine-4,4'-MorpholiniuM] BroMide1197922-04-5C60H36BrF24NO3
4-(2-EthoxybenzaMido)-1-Methyl-3-n-propylpyrazole-5-carboxaMide139756-03-9C17H22N4O3
3-ChlorobalipraMine Maleate114600-27-0C23H25ClN2O4
Phosphocholine-d9 Chloride CalciuM Salt????-d9344299-43-0C5H13CaClNO4P
2-Hydroxy-estrone-6-N3-adenine912671-65-9C23H25N5O3
2-Cyanobenzylzinc broMide2-????????????199465-66-2C8H6BrNZn
Des[(5-Methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-MethanolDes[(5-??-1,3,4-?????-2-?)??]????-3-???478494-71-2C11H12N6O5S
p-Methoxyisobutyrophenone1-(4-?????)-2-?????-1-?2040-20-2C11H14O2
2-(BenzoylcarbaMothioylaMino)-5,5-diMethyl-4,7-dihydrothieno[2,3-c]pyran-3-carboxylic Acid314042-01-8C18H18N2O4S2
Tulobuterol Hydrochloride??????????????56776-01-3C12H19Cl2NO
4,5,6,7-Tetrahydro-5-(triphenylMethyl)thieno[3,2-c]pyridine4,5,6,7-??????-5-(??????)???[3,2-c]???109904-25-8C26H23NS
6-Hydroxyhexyl Methanethiosulfonate6-????????????????212261-98-8C7H16O3S2
tert-Butyl Fluvastatin129332-29-2C28H34FNO4
Phenol-d6, 98 atoM%D13127-88-3C6D6O
2-(3-Fluorophenyl)acetophenone2-(3-??????)?????347-90-0C14H11FO
2-Methoxy-2'-piperidinoMethyl benzophenone2-???-2'-???????????898751-74-1C20H23NO2
DisodiuM CyanodithioiMidocarbaMate?????????????????138-93-2C2N2Na2S2
cis-2-(3,5-diMethylbenzoyl)cyclopentane-1-carboxylic acid733740-22-2C15H18O3
Pancratistatin96203-70-2C14H15NO8
2,3,3',4,4',5,6-Heptachlorobiphenyl41411-64-7C12H3Cl7
TetraMethyl 1,2,3,4-Cyclobutanetetracarboxylate?????-1,2,3,4-????????????????14495-41-1C12H16O8
2-Nitro-5-(propylthio)aniline2-???-5-(?????)???57780-75-3C9H12N2O2S
2-Acetoxy-2',5'-Methylbenzophenone890099-06-6C17H16O3
N-[1,2-13C2]Acetyl-D-[UL-13C6]glucosaMine478529-42-9C8H15NO6
N-(4-Chlorobenzyl)propane-1,3-diaMineN-(4-?????)???-1,3-???61798-10-5C10H15ClN2
3-(4-Chloro-2-fluorobenzoyl)thiophene898771-47-6C11H6ClFOS
N,N-DidesMethyl UlipristalN,N-???????????244206-52-8C26H31NO3
trans-2-(3-fluorobenzoyl)cyclohexane-1-carboxylic acidTRANS-2-(3-??????)?????-1-?????733742-79-5C14H15FO3
2-AMino-3-broMo-5,6-diMethylpyridine161091-49-2C7H9BrN2
D-Mannitol-2-13CD-[2-13C]???287100-69-0C6H14O6
3-MethacryloyloxyMethyl-3-phenyloxetane (stabilized with 4-hydroxyanisole)2-??????3-?????-3-?????1076198-41-8C14H16O3
Boc-4-(4-fluorophenyl)-piperidine-4-carboxylic acid, 97%644981-89-5C17H22FNO4
3-Chloro-1-(3-Methylphenyl)-1-oxopropane898785-20-1C10H11ClO
(3R)-3-(TrifluoroMethyl)-1-piperazinecarboxylic acid 1,1-DiMethylethyl Ester1240587-88-5C10H17F3N2O2
all-trans-Geranyl Citronellol51606-80-5C20H36O
3-Ethylfluoranthene3-???????20496-16-6C18H14
8-Methanethiosulfonyl-octanoic Acid8-??????????1076198-40-7C9H18O4S2
2-Hydrazino Adenosine2-?????????15763-11-8C10H15N7O4
4'-fluoro-2-thioMorpholinoMethyl benzophenone898781-80-1C18H18FNOS
Paroxol Tosylate317323-77-6C20H24FNO3S
3,17-Dihydroxy-pregna-3,5-dien-20-one Diacetate3,17-??????????-3,5-??-20-?4954-07-8C25H34O5
Anhydro Dihydro ArteMisinin????????????82596-30-3C15H22O4
N-PropyldiethanolaMineN-(n-???)??????,[N,N-??(2-??????)-n-?????]6735-35-9C7H17NO2
1-(2-Hydroxyphenyl)-2-pyrroldinone-4-carboxylic acid1-(2-?????-??)-5-??-????-3-????39629-89-5C11H11NO4
Fensulfothion SulfideO,O-???O-[4-(????)??]???????3070-15-3C11H17O3PS2
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