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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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4-Hydroxy-6-(propan-2-yl)-2H-pyran-2-one220809-37-0C8H10O3
3-(pentafluoro-λ6-sulfanyl)benzaldehyde3-(????????)?????401892-80-6C7H5F5OS
6-Methyl-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one40107-94-6C8H8N2O
Aprepitant Impurity B; Retigabine Dihydrochloride Impurity B380499-06-9C20H18F7NO2
7-Aminoisobenzofuran-1(3H)-one7-a????????-1(3H)-?3883-64-5C8H7NO2
8-[2-(Diphenylmethoxy)-N-methylethylamino]-1,3-dimethylxanthine8-[2-(??????)-N-???????]-1,3-??????33120-34-2C23H25N5O3
(3,3-Dimethyloxetan-2-yl)methanamine34795-24-9C6H13NO
5-Methyl-2-(p-tolylamino)benzoic Acid24173-43-1C15 H15 N O2
Indobufen Impurity 5821762-23-2C10H10N2O2
Brivaracetam Impurity 282242963-07-9C17H20N2O3
Dolutegravir Impurity 642227442-13-7C21H21F2N3O5
{[3-(trifluoromethyl)phenyl]methyl}boronic acid3-?????????????21948-55-0C8H8BF3O2
{[1,2,4]Triazolo[1,5-a]pyridin-2-yl}methanol265643-91-2C7H7N3O
Vortioxetine Impurity 123890-98-0C4H10ClNO
6-Bromo-1H-indole-4-carbonitrile6-???-4-?????374633-26-8C9H5BrN2
Budesonide Impurity 5123825-05-0C25H30O6
Ornidazole Impurity 5828559-13-9C7H8ClN3O3
Tadalafil Impurity 1502186605-14-9C22H19N3O6
Loteprednol Impurity 10207670-57-3C24H29Cl3O6
Lipoic Acid Impurity 112114407-76-8C8H14O3S2
2,6-Dibromo-4-(tert-butyl)pyridine2256760-24-2C9H11Br2N
Isopropyl piperazine-1-carboxylate1-?????????,1-????????(9CI)37038-26-9C8H16N2O2
tert-butyl 4-(1-methoxy-1,3-dioxopentan-2-yl)piperazine-1-carboxylate2869955-99-5C15H26N2O5
5-Pyrimidinecarboxylic acid, 4-amino-6-[1-[3-(cyanomethyl)-1-(ethylsulfonyl)-3-azetidinyl]-1H-pyrazol-4-yl]-2964606-42-4C15H17N7O4S
Thieno[3,2-b][1]benzothiophene-2-carboxylic acid???[3,2-B][1]?????-2-?????30126-05-7C11H6O2S2
4,8-Dichlorobenzofuro[3,2-d]pyrimidine4,8-????[1]????[3,2-d]????294874-71-8C10H4Cl2N2O
2-Mercapto-4-methoxybenzaldehyde2-????-4-?????????294674-98-9C8H8O2S
4-(4-Chloropyrimidin-2-yl)morpholine4-(4-???????-2-?)????24192-96-9C8H10ClN3O
(3-(2-(Dimethylamino)ethyl)-1H-indol-5-yl)methanol5-???????-N,N-???????334981-08-7C13H18N2O
β-Alanine Hydroiodide (Low water content)2096495-59-7C3H8INO2
2-Acetyl-5-methoxyphenyl 3-[4-(acetyloxy)-3-methoxyphenyl]-2-propenoate2170088-97-6C21H20O7
1-Naphthalen-1-yl-5-oxo-pyrrolidine-3-carboxylic acid1-????-1-YL-5-OXO-????-3-?????1-????-1-YL-5-OXO-????-3-?????340319-91-7C15H13NO3
(7-Chlorobenzo[d][1,3]dioxol-5-yl)methanamine hydrochloride350480-53-4C8H8ClNO2.ClH
Olmesartan Impurity 582190488-06-1C12H22N2O2
Methanone, [4-[2-(diethylamino)ethoxy]-3-iodophenyl][2-(1-hydroxybutyl)-3-benzofuranyl]-318267-28-6C25H30INO4
Ramelteon Impurity 39221530-38-7C13H15NO2
Montelukast Impurity 3830220-25-8C8H7Cl3
tert-Butyl (1R,5S,6r)-6-amino-3-azabicyclo[3.1.0]hexane-3-carboxylate2256715-14-5C10H18N2O2
Dexamethasone Impurity 74; Betamethasone Impurity 1437926-77-5C23H31FO5
4-Chloro-7-Hydroxyquinoline-6-Carboxamide2243572-11-2C10H7ClN2O2
((3R,7aR)-3-(((tert-Butyldimethylsilyl)oxy)methyl)hexahydro-1H-pyrrolizin-7a-yl)methanol2387568-74-1C15H31NO2Si
Crisaborole Impurity 1082473730-47-9C14H8BrNO3
(4R)-4-(4-Cyano-2-methoxyphenyl)-1,4-dihydro-2,8-dimethyl-5-[(1-methylcyclopropyl)methoxy]-1,6-naphthyridine-3-carboxamide (Finerenone Impurity)2389019-64-9C24H26N4O3
Methyl dodec-11-enoate??????29972-79-0C13H24O2
4-Bromo-2,3-dihydro-1H-indene-2-carboxylic acid4-???-2,3-????-1H-??-2-?????209224-95-3C10H9BrO2
Meropenem Impurity 7396717-61-6C29H27N2O10P
Lifitegrast Impurity 132295862-00-7C29H26N2O7S
Diosmin Impurity 1928719-21-3C30H38O15
Ipragliflozin Impurity 12602662-34-8C21H21FO5S
(6S,8R,9S,10R,13S,14S,17S)-6,17-Dihydroxy-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one6??-???????????2944-87-8C19H28O3
5-Bromoquinolin-2-amine5-??????-2-??347146-12-7C9H7BrN2
2-Hydroxy-4,6-dichloro-1,3,5-triazine sodium salt4,6-????-1,3,5-????-2(1H)-?, ??? ?2736-18-7C3Cl2N3NaO
5-(1H-benzo[d]imidazol-2-yl)-2-methylaniline2-(3-???-4-????)-1H-??[d]????292644-33-8C14H13N3
Tirofiban Impurity 1072374-66-5C8H18O3S
Butylphthalide Impurity 2520871-40-3C12H13NO
1,2-Dimethyl-4-vinylbenzene4-???-1,2-???-??27831-13-6C10H12
1-Cyclopentylethan-1-amine(1-???????)??(SALTDATA:HCl)38118-79-5C7H15N
1-Bromo-8-chlorooctane28598-82-5C8H16BrCl
Rocuronium Bromide Impurity 42212505-49-2C21H30O3
(5-((4-Bromophenyl)thio)-1-methyl-3-phenyl-1H-pyrazol-4-yl)methanol318247-56-2C17H15BrN2OS
2-[2-[[4-[(3-Ethynylphenyl)amino]-7-(2-hydroxyethoxy)-6-quinazolinyl]oxy]ethoxy]acetic acid2218487-28-4C22H21N3O6
(2-Methylimidazo[1,2-a]pyridin-3-yl)methanol(2-??????[1,2-A]???-3-?)???30489-44-2C9H10N2O
Ipratropium Bromide Impurity 2830833-12-6C10H17NO3
4,9-Dibromo-2,7-di(2,5,8,11,14,17,20-heptaoxadocosan-22-yl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone2225708-89-2C44H64Br2N2O18
Methylprednisolone Impurity 5917,21-??????????-1,4-??-3,11,20-???21-(?????)24808-87-5C25H30O8
4-[3-(2-Methyl-5-nitro-1H-imidazol-1-yl)propyl]morpholine2213449-45-5C11H18N4O3
(1R,2S,5S)-N-((R)-1-Cyano-2-((S)-2-oxopyrrolidin-3-yl)ethyl)-3-((S)-3,3-dimethyl-2-(2,2,2-trifluoroacetamido)butanoyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide2755812-41-8C23H32F3N5O4
3a,4,5,6,7,7a-hexahydro-1H-4,7-methanoinden-5-yl acetate2500-83-6C12H16O2
1-(2-Hydroxy-4-(hydroxymethyl)phenyl)ethan-1-one22518-00-9C9H10O3
Elagolix Impurity 522409132-64-3C38H40F5N3O6
1-Bromo-10-chlorodecane??28598-83-6C10H20BrCl
1H-Benz[f]indene-1,3(2H)-dione22734-61-8C13H8O2
1-(Tert-butylamino)-3-(2-cyclopentylphenoxy)propan-2-ol hydrochloride28163-36-2C18H30ClNO2
2,2',2''-((1,3,5-triazine-2,4,6-triyl)tris(benzene-4,1-diyl))triacetonitrile2813239-98-2C27H18N6
Resmetirom (Mgl-3196) Impurity 192403724-55-8C14H15Cl2N3O2
1-Allylpiperidin-4-one1-????????-4(1H)-????20785-46-0C8H13NO
Cefradine Impurity 197-??-??????-?????-???????27255-72-7C16H16N2O4S
Dihydrogenistein21554-71-2C15H12O5
4-Bromo-2,3-dimethylthiophene4-???-2,3-??????,.230153-46-9C6H7BrS
Mycophenolate Mofetil Impurity 3524243-38-7C17H20O6
4-Cyclohexyl-5-phenyl-4H-1,2,4-triazole-3-thiol38942-57-3C14H17N3S
5-Methyl-4-phenyl-2H-pyrazol-3-amine3-???-5-??-4-?????31924-81-9C10H11N3
Brivaracetam Impurity 182200297-71-6C11H21BrO2
Oclacitinib Impurity 22124221-11-8C8H11NO3S
Febuxostat Impurity 1182476465-39-9C17H19NO5S
5-Ethoxy-4-Methyloxazole-2-Carboxylic Acid23429-05-2C7H9NO4
Tert-butyl 5-oxo-2-azaspiro[3.5]Nonane-2-carboxylate2306272-86-4C13H21NO3
Relugolix Impurity 462591260-07-8C25H23BrF2N2O6S
2,5-Anhydro-L-iditol2,5-????-L-???28218-55-5C6H12O5
Loratadine Impurity 68255861-48-4C14H12ClNO2
Ponatinib Impurity 22097674-16-1C46H46F6N6O2
3,4-Bis(Hydroxymethyl)-1H-Pyrrole-2,5-Dione2775363-46-5C6H7NO4
Vardenafil Impurity 27224789-20-2C15H16N4O2
Glimepiride Impurity 21247098-17-5C9H15NO3
(4R)-4-(4-Cyano-2-methoxyphenyl)-5-(cyclopentyloxy)-1,4-dihydro-2,8-dimethyl-1,6-naphthyridine-3-carboxamide (Finerenone Impurity)2389019-55-8C24H26N4O3
2-(4,4-difluoropiperidin-1-yl)-6-methylpyrimidin-4-amine2446613-63-2C10H14F2N4
3,5-Dibromo-4-chloro-1H-pyrazole27258-21-5C3HBr2ClN2
2-(Bromomethyl)-α-methylbenzeneacetic acid2172861-70-8C10H11BrO2
Sodium (4E,6E)-7-[3-(4-fluorophenyl)-1-(1-methylethyl)-1Hindol- 2-yl]-3-hydroxyhepta-4,6-dienoic acid2118370-51-5
Resmetirom (Mgl-3196) Impurity 222947651-03-6C15H14Cl3N3O2
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