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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39984
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Furosemide Impurity 6862971-57-7C7H5Cl2NO4S
Peramivir Impurity 402758048-73-4C17H30N4O5
N,N-Dimethylformamide compound，sulfur trioxide (1:1)N,N-???????????????29584-42-7C3H7NO4S
1-Benzyl-1H-benzo[d]imidazol-2-amine1-??-1H-??????-2-???43182-10-1C14H13N3
1-((1,3-Dioxolan-2-yl)methyl)piperazine1-(1,3-DIOXOLAN-2-YLMETHYL)????682802-92-2C8H16N2O2
ethyl 1-(5-bromopyridin-2-yl)piperidine-4-carboxylate364794-70-7C13H17BrN2O2
2-Bromo-1,4-phenylene diacetate14-?????-2-?????9752376-16-6C10H9BrO4
Tulobuterol Impurity 11-(2-?????)-2-??????72702-57-9C8H8BrClO
Chlorodiiodomethane?????????638-73-3CHClI2
Rac-Clemastine Fumarate Ep Impurity B61771-18-4C21H26ClNO
tert-Butyl 5-(hydroxymethyl)isoindoline-2-carboxylateN-BOC-5-(???????)-?????253801-14-8C14H19NO3
Pregabalin Impurity 85501666-24-6C20H35NO11
Phenylephrine Impurity 21830346-80-0C13H17NO6
Aripiprazole Impurity 25????????13710339-49-4C12H16NO+
Nilotinib Impurity 12915711-42-1C19H17F3N4O
Piribedil Impurity 84971-68-0C15H12O4
N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-acetyl-D-lysine320410-22-8C23H26N2O5
Dabigatran Impurity 15771459-37-1C26H27N7O3
Emtricitabine Impurity 2964282-88-8C10H20O
Sofosbuvir Impurity 80?????????????51496-03-8C12H19O4P
3-Ethyl-3-(((2-ethylhexyl)oxy)methyl)oxetane3-??-3-[(2-??????)??]???298695-60-0C14H28O2
(8R,9S,10R,13S,14S,17S)-17-Ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one17-??-?????38673-36-8C20H26O2
1-Oxa-6-azaspiro[3.3]heptane1-??-6-?????[3.3]???????936947-34-1C5H9NO
Ethyl 4-oxo-3,4-dihydrothieno[3,2-d]pyrimidine-2-carboxylate??4-??-3,4-???????[3,2-d]????-2-???????319442-19-8C9H8N2O3S
6-Chloro-8-fluoro-[1,2,4]triazolo[4,3-a]pyridine6-???-8-????-[1,2,4]?????[4,3-a]???1020253-21-7C6H3ClFN3
1-(1,1-Dimethylethyl) 2-methyl (2S,4S)-4-fluoro-5-oxo-1,2-pyrrolidinedicarboxylate899898-94-3C6H6F2N2
Nimodipine Impurity 2239562-21-5C20H24N2O6
(2E)-Damascenone??-????23726-93-4C13H18O
3-Hydroxy Cyclobenzaprine(E / Z Mixture)5-[3-(??????)?????]-5H-???[a,d]?????-3-?30235-48-4C20H21NO
Anagrelide Impurity 22?????1752151-24-9C11H11Cl2N3O2
4-Methoxy-1H-indol-6-amine4-???-6-?????885518-12-7C9H10N2O
1,1-Dimethoxypropan-2-ol1,1-????-2-????42919-42-6C5H12O3
(1-(3-Bromophenyl)cyclopropyl)methanamine1-(3-?????)???????????886365-87-3C10H12BrN
Dexmedetomidine Impurity 32514763-84-7C11H16O
2H-1-Benzopyran-2-methanol, α,α'-[iminobis(methylene)]bis[6-fluoro-3,4-dihydro-, hydrochloride (1:1), (αS,α'S,2S,2'S)-920275-27-0C22H26ClF2NO4
Epinastine Impurity 10339163-80-3C15H14N2
1-(5-Butyl-2-Hydroxyphenyl)Ethanone50743-14-1C12H16O2
Olopatadine Impurity 1555690-18-1C17H16O5
4,4-Dimethyl-5-oxopentanenitrile2,2???-4-??????????6140-61-0C7H11NO
Racecadotril Impurity R63366-76-7C16H17NO4S
Ozagrel Impurity 74530145-11-0C12H14O3
Brivaracetam Impurity 102179080-15-8C7H13NO
Peramivir Impurity 392412376-06-6C13H26N4O3
Metaraminol Impurity 1731301-86-7C24H25NO4
5-Chloro-4-methylpyrimidin-2-amine2-??????,5-???-4-??-(9CI)40439-76-7C5H6ClN3
2-Chloro-7-methylquinoline-3-carbonitrile2-???-7-?????-3-?????79249-34-6C11H7ClN2
Methyl 2-amino-4,6-dimethoxybenzoate??2-???-4,6-?????????379228-26-9C10H13NO4
Enalapril Maleate Ep Impurity A ((S,S,R)-Enalapril)76420-74-1C20H28N2O5
Linezolid Impurity 69384344-17-6C10H12FNO
Cefaclor Impurity 4721746-02-1C10H10N2O2
Sulfisozole sodium79921-43-0C9H8N3NaO3S
Sulbactam Impurity 987-53-6C8H11NO3S
4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid65597-44-6C11H8O5
4-Bromo-2-naphthaldehyde4-???????-2-??????874357-11-6C11H7BrO
1-Ethylpyridin-1-ium iodide872-90-2C7H11N
Pomalidomide Impurity 3792792-46-6C16H10N2O6
Lercanidipine Impurity 3284977-36-6C20H23ClN2O6
Hexahydro-[1,4]dioxino[2,3-b][1,4]dioxine-2,3,6,7-tetraol??????????4405-13-4C6H10O8
(6α,11β,16α,17α)-6,9-Difluoro-11-hydroxy-16-methyl-3-oxo-17-(1-oxopropoxy)Androsta-1,4-diene-17-carboxylic Acid Methyl Ester59860-80-9C25H32F2O6
Lansoprazole Impurity 1560524-97-2C14H13N3OS
Nebivolol Impurity 99(Ss,Rs)920299-27-0C22H26ClF2NO4
1,2,3,4-Tetra-O-acetyl-β-D-glucuronic acid62133-77-1C14H18O11
4-Pyridinemethanol, 3-hydroxy-2,5-dimethyl-, hydrochloride (1:1)875-26-3C8H11NO2.ClH
Topiroxostat Impurity 204-?????????,????89830-71-7C6H8N4
Terbutaline Impurity 362352882-26-7C8H10O4
Licarbazepine Impurity 1375272-34-3C14H10BrN
4-(2-Chloroethyl)-α,α-dimethylbenzeneacetic acid2199440-16-7C12H15ClO2
Isoproterenol Impurity 498496-30-1C11H15NO3
7-Chloroquinolin-2-amine43200-95-9C9H7ClN2
1,2-Bis(4-fluorophenyl)disulfane?-4-??????????405-31-2C12H8F2S2
(3,4-Diethoxyphenyl)methanol3,4-?????????83459-29-4C11H16O3
Hydrocortisone Acetate Impurity 3776282-98-9C23H32O7
Amikacin Impurity 1240371-54-8C10H21N3O5
Diethyl 1,4-dihydroxynaphthalene-2,3-dicarboxylate????UV59883-07-7C16H16O6
6-Methoxyisobenzofuran-1(3H)-one6-???-3H-??????-1-?4741-63-3C9H8O3
9-Bromo-2-hydroxy-7-methylpyrido[1,2-a]pyrimidin-4-one663619-90-7C9H7BrN2O2
8-Methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole hydrochloride8-??-2,3,4,5-??????-1H-???[4,3-B]?????57933-28-5C12H15ClN2
Methyl α-D-xylopyranoside??-??-D-?????????91-09-8C6H12O5
3-Bromo-5,6-difluoro-1H-indazole3-???-5,6-?????-1H-???1017781-94-0C7H3BrF2N2
Gemcitabine Impurity 11928797-50-6C10H16F2O5
Olopatadine Impurity 4351860-45-8C21H22BrOP
Rosuvastatin Impurity 88851440-19-2C26H34FN3O6S
2,3,4,5-Tetrahydro-1H-1,5-methanobenzo[d]azepine-6,8-diamine950781-91-6C11H15N3
6-Methoxyquinolin-8-amine hydrobromide312693-53-1C10H11BrN2O
2,5-Bis(trimethylstannyl)furan63366-23-4C10H20OSn2
6,7-dimethoxyquinoxalin-2(1H)-one2-?????-6,7-?????????5739-98-0C10H10N2O3
(4-Ethynylphenyl)diphenylphosphane359017-78-0C20H15P
2-[Hydroxy(4-phenylbutyl)phosphinyl]acetic acid((4-????)????????)????83623-61-4C12H17O4P
Levocarnitine Impurity 30[(±)-(4-???-2-?????-4-????)???????]???5261-99-4C7H18ClN2O2+
(S)-3-N-Cbz-Amino-succinimide(S)-3-N-CBZ-???-?????60846-91-5C12H12N2O4
Buspirone Ep Impurity E257877-43-3C21H33N5O3
Benzyl (3s,4s)-4-amino-3-hydroxypiperidine-1-carboxylate1007596-63-5C13H18N2O3
Pregabalin Impurity 72501666-23-5C20H35NO11
2-Cyanocyclopropanecarboxylic acid56447-12-2C5H5NO2
4'-Amino-5'-nitrobenzo-15-crown-577001-50-4C14H20N2O7
Ibandronate Impurity 3905808-25-5C8H21NO7P2
Sodium Gualenate Impurity 465757-01-9C15H19NaO4S
Tert-butyl 4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperazine-1-carboxylate2222120-27-4C22H28N4O5
Amisulpride Impurity 23483304-04-7C12H17NO3S
Ibuprofen Impurity 79220089-22-5C12H14O3
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