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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39990
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Nicorandil Impurity 352250142-73-3C16H18BrN5O5
Olopatadine Impurity 2523560-66-9C15H12O2
Benzenesulfonyl bromide??????????2297-65-6C6H5BrO2S
tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)azetidine-1-carboxylate2304635-53-6C14H26BNO4
Tazobactam Impurity T2234872-71-8C20H18O
Vortioxetine Impurity 292243045-82-9C32H34N2S2
(4S)-4-(4-Cyano-2-methoxyphenyl)-5-(cyclopentyloxy)-1,4-dihydro-2,8-dimethyl-1,6-naphthyridine-3-carboxamide (Finerenone Impurity)2389019-54-7C24H26N4O3
Corticosterone Impurity 117-????????2394-25-4C20H28O4
Neopentyl methacrylate???????????2397-76-4C9H16O2
Ketoprofen Impurity 382-???-2-???????????24131-07-5C12H13NO2
Apixaban Impurity 2082361025-73-0C20H23N3O3
Vardenafil Impurity 202411340-43-5C19H24N4O5S
(4R)-4-(4-Cyano-2-methoxyphenyl)-5-(cyclobutyloxy)-1,4-dihydro-2,8-dimethyl-1,6-naphthyridine-3-carboxamide (Finerenone Impurity)2389019-53-6C23H24N4O3
1-(2,4-Dimethoxyphenyl)-N-methylmethanamine hydrochloride326473-23-8C10H16ClNO2
4-Bromo-N-((tetrahydrofuran-2-yl)methyl)benzamide326898-76-4C12H14BrNO2
Imidafenacin Impurity 6?????????(N-(3-CarbaMoyl-3,3-Diphenylprofile)-OxaMicAcid)503598-07-0C18H18N2O4
2,2-Dimethyl-2,3-dihydro-4H-benzo[e][1,3]oxazin-4-one2,2-???-1,3-????-4-?30914-88-6C10H11NO2
Upadacitinib Impurity 24406-11-1C5H6F6N2O
Betamethasone Impurity 6837413-99-3C22H28O4
1-Bromo-3-chloropropan-2-ol1-???-3-??????-2-?4540-44-7C3H6BrClO
Fulvestrant Impurity 1029215-49-4C9H18ClI
3-Pentenoic acid5204-64-8C5H8O2
N,N,N'-Tributylthiourea2422-88-0C13H28N2S
6-Methoxy-1H-indol-4-amine4-???-6-?????282547-67-5C9H10N2O
Nebramine; Tobramycin Ep Impurity B34051-04-2C12H26N4O5
Simvastatin Impurity 412,3-??????????????393825-04-2C25H38O5
1-(4-Chlorophenyl)-2-hydroxyethanone1-(4-?????)-2-?????-1-???27993-56-2C8H7ClO2
N-(2-Aminoethyl)-2-(benzyl(phenyl)amino)acetamideN-(2-???-??)-2-(??-??-???)-??????????26953-37-7C17H21N3O
4-Chloro-6-methyl-2-oxo-2H-chromene-3-carbaldehyde51069-84-2C11H7ClO3
Imidazo[1,5-a]pyrazin-8-amine????[1,5-A]???-8-??26538-77-2C6H6N4
Loratadine Impurity 4931255-58-0C14H11ClN2
4-Fluorothiophene-2-carbonitrile4-???????-2-?????32431-77-9C5H2FNS
Upadacitinib Impurity 502460133-49-5C16H20ClNO3
4-Bromobutan-2-one28509-46-8C4H7BrO
Apixaban Impurity 1192456339-94-7C15H19N3O4
Metaraminol Impurity 5447017-04-9C16H19NO2
1H-Purine-2,6-dione, 8-bromo-3,7-dihydro-3-methyl-7-[(4-methyl-2-quinazolinyl)methyl]-2749405-42-1C16H13BrN6O2
2-Cyclohexyl-3-hydroxynaphthalene-1,4-dione?????4042-30-2C16H16O3
1-Deoxy-1-L-proline-D-fructoseN-(1-???-D-??-1-?)-L-???29118-61-4C11H19NO7
Brivaracetam Impurity 42432911-41-4C8H17N3O2
Tridecyl benzoate29376-83-8C20H32O2
2-Pivalamidoisonicotinic acid2-(2,2-???-????????)-??????470463-34-4C11H14N2O3
Dobutamine Impurity 9334947-74-9C19H25NO3
9H-Thioxanthen-9-one,10,10-dioxide9-??-9H-????10,10-?????3166-15-2C13H8O3S
N,N-Dimethylethylenediamine Dihydroiodide244234-52-4C4H13IN2
4-(Piperidin-4-ylmethyl)aniline4-(4-???????)-????37581-35-4C12H18N2
Chlorprothixene Ep Impurity A4295-65-2C18H20ClNOS
4-((Trifluoromethyl)sulfonyl)benzonitrile4-(???????????)?????312-21-0C8H4F3NO2S
Avanafil Impurity 16372117-53-8C19H24ClN5O3
Baloxavir Marboxil Impurity 452496644-37-0C14H10F2OS
Tris[2-(1H-pyrazol-1-yl-κN2)phenyl-κC]iridium???(?????)???359014-72-5C27H21IrN6
1-Ethyl-3-methylpiperidin-4-one1-??-3-??-4-????3612-16-6C8H15NO
Calcium Dobesilate Impurity 4???4444-23-9C6H6O8S2
Dimethyl thiazolidine-2,4-dicarboxylate????????-2,4-????????318233-97-5C7H11NO4S
Dydrogesterone Impurity 2432164-74-2C25H36O4
Erlotinib Related compound A?????iMpurity2299912-59-7C25H30ClN3O5
1-Methylpyrrolidine-2,3-dione1-??-2,3-??????42599-26-8C5H7NO2
Isoproterenol Impurity 15N-????????3506-32-9C11H17NO2
2-Chloro-4,6-dimethyl-1,3,5-triazine30894-84-9C5H6ClN3
Empagliflozin Impurity 268501009-13-8C7H3Br2ClO2
Methyl 1-methyl-2-nitro-1H-imidazole-5-carboxylate3-METHYL-2-NITRO-3H-IMIDAZOLE-4-CARBOXYLICACID??????40361-79-3C6H7N3O4
(3R,4R)-1-(tert-Butoxycarbonyl)-4-(4-fluorophenyl)pyrrolidine-3-carboxylic acid455954-94-6C16H20FNO4
Fondaparinux348625-84-3C13H21NO19S3
Formoterol Impurity 8149861-92-9C18H22N2O4
Dicloxacillin Sodium Impurity 1442947-69-3C19H19Cl2N3O6S
(8R,9S,10R,13S,14S,17S)-17-Hydroxy-10,13-dimethyl-1,2,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one(17??)-?????????-4,6-??-3-?2484-30-2C19H26O2
Rosuvastatin Impurity 122404958-68-5C10H19ClO4
Lipoic Acid Impurity 1746236-19-5C9H16O2S2
2-Thiomorpholinoethanamine4-(2-?????)??????53515-36-9C6H14N2S
5-(Trifluoromethyl)furan-2-carboxylic acid5-(????????)-2-????,9756286-73-8C6H3F3O3
1-[(3aS,8aS)-Tetrahydro-2,2-dimethyl-4,4,8,8-tetraphenyl-1,3-dioxolo[4,5-e][1,3,2]dioxaphosphepin-6-yl]pyrrolidine582298-51-9C35H36NO4P
Ipratropium Bromide Impurity 3154108-62-2C16H14O3
Olopatadine Impurity 2655453-90-2C18H16O4
(5-Hydroxy-6-methylpyridine-3,4-diyl)dimethanol 2-oxopentanedioate2-???????,5-????-6-?????-3,4-?????????(1:1)27280-85-9C8H11NO3.C5H6O5
Oseltamivir Impurity 90312904-18-0C19H32N2O4
Brivaracetam Impurity Z22530-99-0C8H14O2
Imrecoxib Impurity 52305368-53-8C21H23NO3S
2,6-Diethylnaphthalene26-???????9759919-41-4C14H16
Isoflurane Impurity 1026644-86-0C3H3Cl2F3O
Salmeterol Ep Impurity G; Salmeterol-N-Alkyl Impurity (Usp)2470130-36-8C50H72N2O7
Sucrose hexasulfate (hexapotassium)(potassium)??,????,????386229-70-5C12H23KO29S6
1,2-Diethoxy-4-methylbenzene34-???????962612-56-8C11H16O2
Isosorbide Impurity 1439813-48-4C8H11NO7
Melphalan Ep Impurity G2238824-43-4C26H35Cl3N4O4
4h,5h,6h,7h,8h-Cyclohepta[d][1,2]oxazole-3-carboxylic acid33230-32-9C9H11NO3
(2-Isopropylphenyl)hydrazine hydrochloride2-??????????????58928-82-8C9H15ClN2
2-(5-Oxo-1-phenyl-2-thioxoimidazolidin-4-yl)acetamide5624-08-8C11H11N3O2S
Olaparib Impurity 332630919-53-6C16H10FNO3
Anastrozole Impurity 392447054-72-8C30H34N4
Mono(2-ethyl-5-hydroxyhexyl) phthalate40321-99-1C16H22O5
Ethyl 2-chloro-6-methylnicotinate2-???-6-??-3-??????????????39073-14-8C9H10ClNO2
2,6-Dibromo-4,8-bis(5-(2-ethylhexyl)-4-fluorothiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene2460300-93-8C34H38Br2F2S4
9-Oxo-9H-thioxanthene-2-carboxylic acid9-OXO-9H-????-2-?????25095-94-7C14H8O3S
Amisulpride Impurity 192657666-20-9C10H13NO5S
Tazobactam Impurity S411239-19-5C20H18O
N,2-Diethyl-2-isopropyl-3-methylbutanamideN,2-???-2-(?????)-3-????????51115-70-9C12H25NO
2,3-Dihydro-1h-indene-2-carbaldehyde1H-??-2-????????,2,3-????-(9Cl)37414-44-1C10H10O
1,2-Dihydropyridazine-3,6-dione, potassium salt1,2-?????????-3,6-??,?????28382-15-2C4H5KN2O2
Betamethasone Impurity 11225122-45-6C24H30ClFO5
(2R,3S)-2-tert-Butoxycarbonylamino-3-phenyl butyric acid321524-48-5C15H21NO4
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