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Shanghai Haohong Scientific Co., Ltd.??? ?? ??? ?????.

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-400-8210725
???:malulu@leyan.com
??:China
URL: https://www.leyan.com/
? ?? ?:39988
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Dimethyl naphthalene-2,3-dicarboxylate2,3-????????????????13728-34-2C14H12O4
Ethyl 5-iodo-1H-pyrazole-3-carboxylate??5-???-1H-???-3-???????141998-77-8C6H7IN2O2
3,4'-Dihydroxy-3',5'-dimethoxypropiophenone136196-47-9C11H14O5
2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl azide13992-25-1C14H19N3O9
2-(2-(Dioctylamino)-2-oxoethoxy)acetic acidN,N-?-n-??-3-?????????????135447-09-5C20H39NO4
2-(4-Cyano-1H-indol-3-yl)acetic acid2-(4-???-1H-??-3-?)????1346597-89-4C11H8N2O2
9H-carbazole-2,7-dicarboxylic acid1409971-87-4C14H9NO4
Thiazol-5-ylmethyl ((2S,3R,5S)-3-hydroxy-5-((S)-2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanamido)-1,6-diphenylhexan-2-yl)carbamate (Ritonavir Impurity)1414933-81-5C37H48N6O5S2
Tetraamminepalladium (II) hydrogen carbonate????????(II)?????134620-00-1CH9N4O3Pd+
Methyl β-D-fructoside.beta.-D-?????????,??13403-14-0C7H14O6
(3-Bromoquinolin-6-yl)methanamine(3-??????-6-?)????1268261-09-1C10H9BrN2
Debutyldronedarone (Dronedarone Impurity)????????????141626-35-9C27H36N2O5S
(S)-beta-Amino-3-[2-(dimethylamino)ethyl]-1H-indole-5-propanol??????????B(20mg)((S)-2-???-3-{3-[2-(??????)??]-1H-??-5-?}???-1-?)139264-69-0C15H23N3O
(S)-3-(4-bromo-3-fluorophenyl)-5-(hydroxymethyl)oxazolidin-2-one (Tedizolid Impurity）1369530-77-7C10H9BrFNO3
Propargyl-PEG4-thiol?????-PEG4-??1347750-80-4C11H20O4S
3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-4,4'-diol3,3',5,5'-???(TERT-BUTYL)[1,1'-????]-4,4'-DIOL128-38-1C28H42O2
CAY10512139141-12-1C15H13FO
4-(4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl)-1-(3-ethyl-4-fluorophenyl)butan-1-one (Haloperidol Impurity)1391052-87-1C23H27ClFNO2
2-Bromophenyl trifluoromethanesulfonate4-??????????????????129112-25-0C7H4BrF3O3S
Pyrido[2,3-d]pyrimidin-7(8H)-one, 8-cyclopentyl-6-(1-hydroxyethyl)-5-methyl-2-[[5-(1-piperazinyl)-2-pyridinyl]amino]-1376615-91-6C24H31N7O2
N-((1E,3E,5E)-5-(phenylimino)penta-1,3-dien-1-yl)aniline hydrochloride13959-24-5C17H17ClN2
1,3-Diisopropylimidazolinium Tetrafluoroborate137581-18-1C9H19N2.BF4
N-Ethyl-2-(1-pyrrolidyl)ethanamine138356-55-5C8H18N2
4-N3Pfp-NHS ester126695-58-7C11H4F4N4O4
2,4-Dibenzyloxy benzaldehyde2,4-??(?????)-??????13246-46-3C21H18O3
xAmmonium xceric sulfate??? ??(IV) ???13840-04-5CeH5NO4S
(S)-2-(Aminomethyl)-4-methylpentanoic acid hydrochloride(S)-2-(αMino??)-4-?????-HCl1276055-49-2C7H16ClNO2
(1S,4R)-4-Aminocyclopent-2-enecarboxylic acid hydrochloride130931-84-9C6H10ClNO2
Everolimus-d4 (Everolimus Impurity)1338452-54-2C53H79D4NO14
3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole1421846-79-8C10H16BNO3
2-[Bis(phenylmethyl)amino]-1-(3,4-dihydroxyphenyl)ethanone13062-58-3C22H21NO3
Lithium tungsten oxide, 99% minT?GSTIC ? (H2WO4), ??? ?13568-45-1Li2O4W
9H-Dibenzo[c,f]imidazo[1,5-a]azepin-3-amine hydrochloride?1097CL141342-70-3C16H14ClN3
Rhenium(V)chloride?? ???13596-35-5Cl5Re
3-(Aminomethyl)oxetan-3-ol3-?????-3-????????1305208-47-2C4H9NO2
Tert-butyl 3-bromo-6-fluoro-1H-indole-1-carboxylate1-Boc-3-???-6-??????1314406-46-6C13H13BrFNO2
2-(4-Ethyl-1-piperazinyl)-4-(3-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine132810-83-4C23H30FN3
2-(Chloromethyl)-5-methylpyrazine hydrochloride2-(?????)-5-????????128229-06-1C6H8Cl2N2
Ethyl 3-acetamido-5-chloro-2-hydroxybenzoate139329-90-1C11H12ClNO4
Ceftazidime EP Impurity H (Ceftazidime Impurity)1354396-23-8C23H24N6O7S2
3-Carboxy-3-(3-((4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)methyl)-5-methylpyridin-1-ium-1-yl)propanoate (Rupatadine Impurity)1354055-68-7C30H30ClN3O4
Barium dihydrogen phosphate?? ?? ???13466-20-1BaH4O8P2
Ethyl 2-(3,5-dichlorophenyl)thiazole-4-carboxylate??2-(3,5-??????)???-4-???????132089-38-4C12H9Cl2NO2S
(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12,13-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(hydroxyimino)-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one (Clarithromycin Impurity)??????????127253-06-9C38H70N2O13
(8R,9S,10R,13S,14S,17R)-13-Ethyl-3,17-diethynyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol (Levonorgestrel Impurity)13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol(???????????)1337972-89-0C23H28O
n'-(2-Cyano-5-methoxy-4-nitrophenyl)-n,n-dimethylformimidamideN'-(2-???-5-???-4-?????)-N,N-???forMiMidaMide1269400-04-5C11H12N4O3
Propafenone Dimer????????G1346603-80-2C39H45NO6
5-Bromo-6-chloro-3-nitropyridin-2-amine5-BroMo-6-???-3-??????-2-??1335057-22-1C5H3BrClN3O2
Sec-butyl 3-oxobutanoate13562-76-0C8H14O3
(S)-1-(2,5-Difluorophenyl)propan-1-amine hydrochloride??????,α-??-2,5-?????-,???(1:1),(αS)-1391431-90-5C9H12ClF2N
(3R,5S,7S,8R,9S,10S,13R,14S,17R)-17-((R)-5-Hydroxypentan-2-yl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol130593-75-8C24H42O3
2-amino-9-((1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one hydrochloride (Entecavir Impurity）1367369-77-4C12H15N5O3
3-(Difluoromethoxy)-2,4,5-trifluorobenzoic acid128426-86-8C8H3F5O3
3-Amino-3-cyclohexylpropanoic acid129042-71-3C9H17NO2
11,12-Didehydro-5,6-dihydrodibenz[b,f]azocine1369862-03-2C15H11N
Ammonium tungstate pentahydrate???????1311-93-9H18N2O9W
5-Bromothieno[2,3-d]pyrimidine1379322-62-9C6H3BrN2S
1-(5-Chloro-4-nitro-1H-pyrazol-1-yl)-2-methylpropan-2-ol1415099-67-0C7H10ClN3O3
4-Butoxy-2,3-difluorophenol1-?????-4-???-2,3-???????136239-68-4C10H12F2O2
(R)-3-Amino-4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one phosphate (Sitagliptin Impurity)1345822-87-8C16H19F5N5O5P
2-(1H-Pyrazol-3-yl)acetonitrile2-(1H-???-3-?)??????135237-01-3C5H5N3
L-Aspartate-L-Ornithine Dimer 414169-16-5C9H19N3O6
Methyl (1S)-3-oxocyclopentane-1-carboxylate??????????,3-??-,??????,(S)-(9CI)132076-32-5C7H10O3
1-(2,4,5-Trihydroxyphenyl)butan-1-one1421-63-2C10H12O4
1-(4-Chlorophenyl)-2-imidazolidinone1-(4-?????)-2-???????14088-99-4C9H9ClN2O
(2R,3aR,6aR)-Ramipril(2R,3aR,6aR)-????129939-63-5C23H32N2O5
Tinidazole Impurity 1 (1-[2-(ethylthio)ethyl]-2-methyl-4-nitro-1H-imidazole)1-[2-(????)??]-2-??-4-???????13230-19-8C8H13N3O2S
Dolutegravir Impurity 411309560-49-3C20H19F2N3O5
2,8-Diethyl-5,5-difluoro-1,3,7,9,10-pentamethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide????567131083-16-4C18H25BF2N2
5H-dithieno[3,2-b:2',3'-d]pyran-5-one1295502-12-3C9H4O2S2
3-Phenyl-1H-indazole3-??-1H-???13097-01-3C13H10N2
2-(3-Chloro-4-methoxyphenyl)acetic acid3-???-4-?????????13721-20-5C9H9ClO3
4-Ethyl-2,6-dimethoxyphenol??,4-??-2,6-????-14059-92-8C10H14O3
2-Bromo-N-tert-butylbenzenesulfonamide138733-50-3C10H14BrNO2S
Decamethonium (iodide)???????????1420-40-2C16H38I2N2
2-(8-Chloro-1-naphthylthio)acetic acid2-(8-CHLORO-1-NAPHHTHYLTHIO)????129-94-2C12H9ClO2S
4-(2,5-Dioxotetrahydrofuran-3-yl)-1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylic anhydride13912-65-7C16H12O6
((Benzyloxy)carbonyl)glycylglycyl-L-leucine13347-77-8C18H25N3O6
1-(3-Hydroxy-2-methylquinolin-4-yl)ethanone1-(3-?????-2-?????-4-?)???1345515-22-1C12H11NO2
2-(Imidazo[1,2-a]pyridin-3-yl)acetic acid hydrochloride2-(????[1,2-a]???-3-?)???????127657-46-9C9H9ClN2O2
(R)-2-acetamido-3-(benzylamino)-3-oxopropyl acetate1318777-54-6C14H18N2O4
rel-2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-3,9-dihydro-6H-purin-6-one????????1333204-94-6C12H15N5O3
3-Hydroxyisoxazole-5-carboxamide14016-01-4C4H4N2O3
1-(3-Chloroallyl)-2-methyl-5-nitro-1H-imidazole (Ornidazole Impurity)1384752-15-1C7H8ClN3O2
4-Amino-3,5-difluorophenol135086-76-9C6H5F2NO
2-Dimethylaminoethyl acetate2-?????????????1421-89-2C6H13NO2
3-Methylhexan-1-ol3-???-1-???13231-81-7C7H16O
1-Methyloctahydro-1H-pyrrolo[3,4-b]pyridine1-??-?????????[3.4-b]???128740-18-1C8H16N2
(E)-Hexyl (amino(4-aminophenyl)methylene)carbamate (Dabigatran Impurity)??aMino(4-aMinophenyl)MethylenecarbaMate???1307233-93-7C14H22ClN3O2
(5,5-Bis(3,7-dimethyloctyl)-5H-dithieno[3,2-b:2',3'-d]pyran-2,7-diyl)bis(tributylstannane)1295502-52-1C53H98OS2Sn2
(8S,9R,10S,11S,13S,14S,16R,17R)-9-Chloro-17-(2-chloroacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-11,17-diyl bis(furan-2-carboxylate) (Mometasone Furoate Impurity)11,17-??????Mo????????1370190-33-2C32H32Cl2O8
5-Desfluoro Sitagliptin?????EP???C1345822-86-7C16H19F5N5O5P
Strontium tungsten oxide powder, -200 mesh, 99.9% trace metals basis????????13451-05-3O4SrW
4-([1,1'-Biphenyl]-4-yl)-6-(3,5-dibromophenyl)-2-phenylpyrimidine1393350-29-2C28H18Br2N2
4-((Butoxycarbonyl)oxy)benzoic acid4-???????????14180-12-2C12H14O5
1-Bromo-6,6-dimethylhept-2-en-4-yne1-???-6,6-???-2-??-4-?126764-15-6C9H13Br
(S)-isopropyl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (Solifenacin Impurity）????????11353274-25-5C19H21NO2
Diphenylmethylidene(cyclopentadienyl)(9-fluorenyl)zirconium dichloride???????(????????)(9-?????)??????????132510-07-7C31H22.Cl2Zr
PD81723(2-???-4,5-???-3-???)-[3-(????????)??]???132861-87-1C14H12F3NOS
2-Chloro-3-(methoxymethyl)pyrazine2-???-3-?????-???1289387-97-8C6H7ClN2O
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