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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/
? ?? ?:39990
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Peramivir Impurity 402758048-73-4C17H30N4O5
2-Methyl-2-morpholinopropanal2-??-2-?????????16042-91-4C8H15NO2
Norglipin16444-19-2C21H23NO3
N,N-Dimethylformamide compound，sulfur trioxide (1:1)N,N-???????????????29584-42-7C3H7NO4S
[(1,3-benzothiazol-2-yl)methyl](methyl)amine?????-2-???-??-??17681-30-0C9H10N2S
Zolpidem Tartrate Impurity 32258273-49-3C18H18N2O3
Benzeneacetic acid, α-[bis[2-(2-thienyl)ethyl]amino]-2-chloro-, methyl ester, hydrochloride (1:1)2173294-67-0C21H23Cl2NO2S2
3-Ethyl-1H-pyrazole-4-carbaldehyde1H-???-4-????????,3-??-(9CI)154926-98-4C6H8N2O
3-(4-Chlorophenyl)-3-(pyridin-2-yl)propan-1-amine maleate????????????????23052-94-0C18H19ClN2O4
Pentoxifylline Impurity 356-???-2-???29006-00-6C7H14O2
tert-Butyl 5-(hydroxymethyl)isoindoline-2-carboxylateN-BOC-5-(???????)-?????253801-14-8C14H19NO3
Obeticholic Acid Impurity 471516887-34-5C26H40O4
9-(Naphthalen-2-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole1493715-28-8C28H26BNO2
N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-acetyl-D-lysine320410-22-8C23H26N2O5
11-O-Propionyl Halobetasol181527-42-4C25H31ClF2O5
Gadobutrol Impurity 642101625-18-5C18H32N4O8
7-Amino-2-methyl-4H-chromen-4-one7-???-2-?????9530779-70-5C10H9NO2
Palbociclib Impurity 732252258-81-2C14H20N4O4
Triamcinolone Impurity 18159210-07-8C20H25FO6
Bis(2-ethylhexyl)sulfane???,??(2-????)16679-04-2C16H34S
3-Ethyl-3-(((2-ethylhexyl)oxy)methyl)oxetane3-??-3-[(2-??????)??]???298695-60-0C14H28O2
Ethyl 4-oxo-3,4-dihydrothieno[3,2-d]pyrimidine-2-carboxylate??4-??-3,4-???????[3,2-d]????-2-???????319442-19-8C9H8N2O3S
N-([1,1'-Biphenyl]-4-yl)-2'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-amine2089223-27-6C36H26N2
Cesium silicate(meta),99%15586-77-3Cs2O3Si
Urapidil Impurity 281703052-28-1C20H29N5O4
(2E)-Damascenone??-????23726-93-4C13H18O
Empagliflozin Impurity 1932452301-12-9C23H27BrO7
2,4-dimethyl-5,6-dihydro-7H-pyrrolo[3,4-b]pyridin-7-one2170723-57-4C9H10N2O
3-Hydroxy Cyclobenzaprine(E / Z Mixture)5-[3-(??????)?????]-5H-???[a,d]?????-3-?30235-48-4C20H21NO
Hydrocortisone Ep Impurity O19-?????????154032-37-8C21H30O6
(4-(2H-Tetrazol-5-yl)phenyl)methanamine hydrochloride4-(2H-????-5-?)-?????????177595-28-7C8H10ClN5
6A-[[2-[[2-[[2-[(2-Aminoethyl)amino]ethyl]amino]ethyl]amino]ethyl]amino]-6A-deoxy-β-cyclodextrin343315-27-5C50H91N5O34
Dexmedetomidine Impurity 32514763-84-7C11H16O
Vinorelbine Ep Impurity H220137-33-7C44H52N4O8
Epinastine Impurity 10339163-80-3C15H14N2
1-Bromo-6-chlorodibenzofuran2177301-52-7C12H6BrClO
Ticagrelor Impurity 632227766-79-0C9H9ClFN
Methyl 5-(chlorosulfonyl)-2-methoxybenzoate191471-91-7C9H9ClO5S
((Bromomethyl)sulfonyl)benzene19169-90-5C7H7BrO2S
5-Fluoro-1-methyl-1H-indazol-3-amine3-???-5-????-1-?????171809-12-4C8H8FN3
Vildagliptin Impurity 631616662-84-0C12H20N4O3
Osimertinib Impurity 271942853-79-3C21H21N5O2
Mianserin Hydrochloride Ep Impurity D157994-98-4C24H26N2O
Epalrestat Impurity 291800597-47-0C14H11NO3S2
(Z)-1,2-bis(4-(3-carbamoyl-1-(4-methoxyphenyl)-7-oxo-4,5-dihydro-1H-pyrazolo[3,4-c]pyridin-6(7H)-yl)phenyl)diazene oxide (Apixaban Impurity）1998079-12-1C40H34N10O7
(R)-5-(2-((6-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)hexyl)amino)-1-hydroxyethyl)-2-hydroxybenzaldehyde (Vilanterol Impurity）2514696-13-8C24H31Cl2NO5
2-{[(tert-butoxy)carbonyl](propan-2-yl)amino}acetic acidN-BOC-N-ISOPROPYL-???-????154509-63-4C10H19NO4
Metaraminol Impurity 1731301-86-7C24H25NO4
Budesonide Impurity 5221720-47-8C23H30O5
O-Methyl phosphorodichloridothioate2523-94-6CH3Cl2OPS
4-([1,1'-Biphenyl]-3-yl)-6-chloro-2-phenylpyrimidine1852465-76-9C22H15ClN2
Cefaclor Impurity 4721746-02-1C10H10N2O2
Ticagrelor Impurity 1171549834-66-3C7H12ClN3O2S
Obeticholic Acid Impurity 421908444-27-8C26H42O4
2-(2-((3-Hydroxypropyl)(isopropyl)carbamoyl)-1H-pyrrol-1-yl)acetic acid1540426-95-6C13H20N2O4
Lapatinib Impurity 154-(2-????????)-3-???????179246-45-8C13H11ClFNO
Gliquidone Impurity 34191988-38-2C13H15NO3
Tadalafil Impurity 1111598416-03-5C38H28N4O6
Febuxostat Impurity 114168780-80-1C9H10O2S
Colesevelam Impurity 12170771-70-5C18H44Br2N3+
Terbutaline Impurity 362352882-26-7C8H10O4
Gadobutrol Impurity 131822607-61-3C10H20N4
4-(2-Chloroethyl)-α,α-dimethylbenzeneacetic acid2199440-16-7C12H15ClO2
2-(Naphthalen-2-yl)ethanamine hydroiodide2414055-93-7C12H14IN
Cyclohept-4-enecarboxylic acid1614-73-9C8H12O2
Exemestane Impurity 6159354-61-7C20H24O3
(6α)-17,21-Dihydroxy-6-methylpregn-4-ene-3,11,20-trione1746-38-9C22H30O5
1-Phenyl-3-azabicyclo[3.1.0]hexan-2-one153275-06-0C11H11NO
tert-Butyl (3R,4R)-3-hydroxy-4-methoxypyrrolidine-1-carboxylate1864003-19-9C10H19NO4
Benzenepropanamine, N-methyl-γ-[2-(trifluoromethyl)phenoxy]-, hydrochloride (1:1)2243504-22-3C17H19ClF3NO
(4,8-Bis(5-(2-butyloctyl)-4-fluorothiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene-2,6-diyl)bis(trimethylstannane)2131164-64-0C48H72F2S4Sn2
N7,N7,N13,N13,5,9,11,15-Octaphenyl-5,9,11,15-tetrahydro-5,9,11,15-tetraaza-19b,20b-diboradinaphtho[3,2,1-de:1',2',3'-jk]pentacene-7,13-diamine2251782-13-3C78H54B2N6
Nintedanib Impurity 741860012-61-8C9H10N2O4
Bis(dichlorosilyl)methane18081-42-0CH4Cl4Si2
2H-1-Benzopyran-2-methanol, α,α'-[iminobis(methylene)]bis[6-fluoro-3,4-dihydro-, hydrochloride (1:1), (αR,α'R,2R,2'S)-213132-06-0C22H26ClF2NO4
3-Butoxycyclohex-2-en-1-one16493-04-2C10H16O2
6-Methoxyquinolin-8-amine hydrobromide312693-53-1C10H11BrN2O
Palbociclib Impurity 921974279-40-7C26H33N7O2
(4-Ethynylphenyl)diphenylphosphane359017-78-0C20H15P
Rivaroxaban Impurity 16319532-96-8C16H24N2O2
Metaraminol Impurity 152151127-61-4C24H23NO4
6-Chloro-2H-chromen-2-one??????2051-59-4C9H5ClO2
1-Azabicyclo[2.2.1]heptan-3-one1-??-??????[2.2.1]??-3-?21472-89-9C6H9NO
2-Amino-4-bromo-6-methylphenol5-???-2-?????-3-?????343269-52-3C7H8BrNO
Buspirone Ep Impurity E257877-43-3C21H33N5O3
Epalrestat Impurity 23-?????????,4-??-2-???-,??????23176-01-4C7H9NO3S2
4H-Cyclopenta[2,1-b:3,4-b']dithiophene, 4,4-dioctyl-153312-87-9C25H38S2
Ethyl (3R)-3-(hydroxymethyl)hexanoate1956436-60-4C9H18O3
[2,2'-Bipyridine]-5-carbonitrile2,2'-????-5-?????1802-28-4C11H7N3
Ibuprofen Impurity 79220089-22-5C12H14O3
Tert-butyl 4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperazine-1-carboxylate2222120-27-4C22H28N4O5
Ambroxol Impurity 6818683-92-6C14H18Br2N2
Cytarabine Impurity 50; Azacitidine Impurity 2116033-23-1C9H13N3O5
Donepezil Ep Impurity C2452407-76-8C24H29NO4
2-(2-Methyl-4-nitro-1h-imidazol-1-yl)acetic acid2-??-4-???-1H-????-1-????16230-87-8C6H7N3O4
Indobufen Impurity 181823992-28-4C10H10N2O2
Peramivir Impurity 392412376-06-6C13H26N4O3
Brivaracetam Impurity 102179080-15-8C7H13NO
1,6,7,12-tetrachloropylene di-m-phthalic acid amide1585236-32-3C40H14Cl4N2O12
1-Bromo-4-methoxy-2-phenylmethoxybenzene1-???-4-???-2-???????150356-67-5C14H13BrO2
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