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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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Furosemide Impurity 6862971-57-7C7H5Cl2NO4S
1-Benzyl-1H-benzo[d]imidazol-2-amine1-??-1H-??????-2-???43182-10-1C14H13N3
Pyren-1-yl acetate1-??????78751-40-3C18H12O2
Naproxen Impurity 465-???-6-???-α-??-2-????????60424-17-1C14H13ClO3
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
Phenacetin Impurity 2438246-95-6
Rac-Clemastine Fumarate Ep Impurity B61771-18-4C21H26ClNO
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
Dabigatran Impurity 15771459-37-1C26H27N7O3
Emtricitabine Impurity 2964282-88-8C10H20O
(1R,2R)-2-Amino-1-(4-(methylsulfonyl)phenyl)propane-1,3-diol[R(R*,R*]-2-???-1-[p-(?????)??]???-1,3-??51458-28-7C10H15NO4S
2-(Furan-2-yl)ethan-1-olB-2-?????35942-95-1C6H8O2
Sofosbuvir Impurity 80?????????????51496-03-8C12H19O4P
Erlotinib Impurity 13??????,4,5-BIS(2-METHOXYETHOXY)-2-??????501684-22-6C14H19NO8
(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-(1,1-Dimethylethyl) 2-methyl (2S,4S)-4-fluoro-5-oxo-1,2-pyrrolidinedicarboxylate899898-94-3C6H6F2N2
Nimodipine Impurity 2239562-21-5C20H24N2O6
2-[[(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl]thio]-1H-benzimidazole73590-87-1C16H17N3OS
Bromodiiodomethane?????????557-95-9CHBrI2
Medroxyprogesterone Acetate Impurity 15pregn-5-ene-3,20-dionebis(?????)7093-55-2C25H38O4
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
Formyl-d-methionine44978-50-9C6H11NO3S
1-(5-Butyl-2-Hydroxyphenyl)Ethanone50743-14-1C12H16O2
Olopatadine Impurity 1555690-18-1C17H16O5
4,4-Dimethyl-5-oxopentanenitrile2,2???-4-??????????6140-61-0C7H11NO
Neostigmine Impurity 252,2'-?????[5-(??????)??]63468-95-1C17H22N2O2
Racecadotril Impurity R63366-76-7C16H17NO4S
Ozagrel Impurity 74530145-11-0C12H14O3
5-Chloro-4-methylpyrimidin-2-amine2-??????,5-???-4-??-(9CI)40439-76-7C5H6ClN3
Tazobactam Impurity 56-????????S-?????79703-02-9C8H10BrNO4S
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
Sulfisozole sodium79921-43-0C9H8N3NaO3S
Sulbactam Impurity 987-53-6C8H11NO3S
4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid65597-44-6C11H8O5
2-(5-Formyl-2,4-dimethyl-1H-pyrrol-3-yl)aceticacid(5-FORMYL-2,4-DIMETHYL-1H-PYRROL-3-YL)-????52513-48-1C9H11NO3
4-Bromo-2-naphthaldehyde4-???????-2-??????874357-11-6C11H7BrO
[1,8-Dioxo-8-(phenylamino)octyl]azanyl 8-oxo-8-(phenylamino)octanoate866824-87-5C28H37N3O5
1-Ethylpyridin-1-ium iodide872-90-2C7H11N
Arbidol Impurity 4540945-68-4C13H14BrNO3
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
Sodium Cromoglicate Impurity 1840786-63-8C23H22O9
(2S,3S,4S,5R,6S)-3,4,5,6-tetraacetoxytetrahydro-2H-pyran-2-carboxylic acid62133-77-1C14H18O11
4-Pyridinemethanol, 3-hydroxy-2,5-dimethyl-, hydrochloride (1:1)875-26-3C8H11NO2.ClH
2-Methyl-5-nitro-4H-benzo[d][1,3]oxazin-4-one412341-84-5C9H6N2O4
Topiroxostat Impurity 204-?????????,????89830-71-7C6H8N4
Licarbazepine Impurity 1375272-34-3C14H10BrN
(9β,11β)-21-(Acetyloxy)-9,11-epoxy-17-hydroxypregna-1,4-diene-3,20-dione38680-83-0C23H28O6
5-Bromoimidazo[1,2-a]pyridinehydrobromide5-???-????[1,2-A]???HBR603301-13-9C7H6Br2N2
7-Chloroquinolin-2-amine43200-95-9C9H7ClN2
1,2-Bis(4-fluorophenyl)disulfane?-4-??????????405-31-2C12H8F2S2
Fenofibrate Impurity 26??2-???-2-?????????40630-82-8C7H11BrO2
(3,4-Diethoxyphenyl)methanol3,4-?????????83459-29-4C11H16O3
Hydrocortisone Acetate Impurity 3776282-98-9C23H32O7
2,2',2''-Nitrilotriacetamide2,2′,2”-???????(??????)4862-18-4C6H12N4O3
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
(3-Cyclopropylphenyl)methanamine(3-????????)??852877-59-9C10H13N
3-Chloro-4-methoxyaniline hydrochloride4-???-3-??????(HCl)6329-90-4C7H8ClNO.HCl
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
Tafluprost Impurity 46733036-95-8C25H35FO5
Olopatadine Impurity 4351860-45-8C21H22BrOP
Rosuvastatin Impurity 88851440-19-2C26H34FN3O6S
2,5-Bis(trimethylstannyl)furan63366-23-4C10H20OSn2
6,7-dimethoxyquinoxalin-2(1H)-one2-?????-6,7-?????????5739-98-0C10H10N2O3
Clenbuterol Impurity 1937159-31-2C12H19ClN2O
2-[Hydroxy(4-phenylbutyl)phosphinyl]acetic acid((4-????)????????)????83623-61-4C12H17O4P
Levocarnitine Impurity 30[(±)-(4-???-2-?????-4-????)???????]???5261-99-4C7H18ClN2O2+
Nonyl benzoate???????5451-95-6C16H24O2
(S)-Benzyl (2,5-dioxopyrrolidin-3-yl)carbamate(S)-3-N-CBZ-???-?????60846-91-5C12H12N2O4
5-Ethyl-2-methoxyaniline67291-61-6C9H13NO
Neopatulin70402-10-7C7H6O4
3-(Tetrahydro-2H-pyran-4-yl)azetidine????,3-(???????-2H-??-4-?)-550369-51-2C8H15NO
Pregabalin Impurity 72501666-23-5C20H35NO11
2-Cyanocyclopropanecarboxylic acid56447-12-2C5H5NO2
Desloratadine Impurity 2450603-12-8C20H21N
5-(4-Nitrophenyl)-10,15,20-(triphenyl)porphyrin67605-65-6C44H29N5O2
4'-Amino-5'-nitrobenzo-15-crown-577001-50-4C14H20N2O7
Ibandronate Impurity 3905808-25-5C8H21NO7P2
Sodium Gualenate Impurity 465757-01-9C15H19NaO4S
Amisulpride Impurity 23483304-04-7C12H17NO3S
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