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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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4-(2,2-Dichlorocyclopropyl)phenol (Celiprolol Impurity)P-(2,2-??????????)??52179-26-7C9H8Cl2O
4-(Acridin-9-ylamino)benzoic acidp-(9-????????)???64894-83-3C20H14N2O2
((Benzyloxy)carbonyl)-L-isoleucyl-L-phenylalanine?-?-?-?13254-07-4C23H28N2O5
3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate (Neostigmine Impurity)4312-54-3C10H17NO5S
(2S,3S)-3-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-2-methyl-4-oxoazetidine-1-sulfonic acid330944-50-8C17H25N5O8S2
Indolin-1-amine hydrochloride???-1-?????92259-86-4C8H11ClN2
Imidazo[1,2-a]pyridin-8-ol hydrochloride100592-11-8C7H7ClN2O
Tert-butyl (2-(morpholin-2-yl)ethyl)carbamatetert-??(2-????-2-???)?????(SALTDATA:FREE)1032507-63-3C11H22N2O3
P1556958261-50-2(C43H47N3S3)n
Ethyl (6-benzoyl-1H-benzo[d]imidazol-2-yl)carbamate (Mebendazole Impurity)??????????31430-19-0C17H15N3O3
1-(3'-Methoxy-2,3,4,5-tetrahydro-[1,1'-biphenyl]-2-yl)-N,N-dimethylmethanamine hydrochloride (Tramadol Impurity)66170-31-8C16H24ClNO
4-Amino-1-((2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methylpyrimidin-2(1H)-one (Cytarabine Impurity)6829-31-8C10H15N3O5
Abiraterone Impurity 152141996-19-0C26H35NO2
Methyl (4,6-dichloro-1H-benzo[d]imidazol-2-yl)carbamate (Albendazole Impurity)946498-41-5C9H7Cl2N3O2
4-Amino-1-(2-(2,4-difluorophenyl)-2-oxoethyl)-1H-1,2,4-triazol-4-ium chloride (Efinaconazole Impurity)154534-83-5C10H9ClF2N4O
(3-(((Benzyloxy)carbonyl)amino)propanoyl)-L-valineZ-??-ALA-VAL-OH61058-48-8C16H22N2O5
20-Bromoicosanoic acid876476-87-8C20H39BrO2
(8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl pentanoate (Betamethasone Valerate Impurity)52619-18-8C27H37ClO6
(3R,4R,5S,6R)-3-Amino-6-(hydroxymethyl)tetrahydro-2H-pyran-2,4,5-triol2-???-2-?????????90-77-7C6H13NO5
6,8,10,11-Tetrahydroxy-1-methoxytetracene-5,12-dione (Doxorubicin Impurity)7,8-?????-9,10-???????????(????????)1159977-24-8C19H12O7
1-Benzyl-1H-pyrazole-3-carboxylic acid1007306-14-0C11H10N2O2
2-Methylthieno[2,3-d]isothiazol-3(2H)-one 1,1-dioxide (Tenoxicam Impurity)TenoxicaMIMpurityE(2-?????[2,3-d]?????-3(2H)-?-1,1-?????)94040-09-2C6H5NO3S2
LiBPP1049805-81-3C16H12LiN2O*
1-Ethyl-3-methylcyclohexane1-??-3-?????????3728-55-0C9H18
1-(4-Methoxyphenyl)-2-((3-methoxyphenyl)thio)ethanone4-???-A-((3-?????)??)?????63675-73-0C16H16O3S
3-((Tert-butyldimethylsilyl)oxy)cyclohexan-1-ol1028748-71-1C12H26O2Si
1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid956011-26-0C14H10FN3O2
1-(4-(4-Hydroxyphenyl)-3,4-dihydropyrazin-1(2H)-yl)ethan-1-one (Ketoconazole Impurity)581806-59-9C12H14N2O2
N-(1-(4-Methoxyphenyl)-2-methylpropan-2-yl)acetamide926319-54-2C13H19NO2
(3S,8S,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-11-methylene-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-dio (Desogestrel Impurity)???????????B(15MG)(3-HYDROXY-DESOGESTREL)70805-85-5C22H30O2
8-Bromo-7H-benzo[c]carbazole1686099-80-8C16H10BrN
Propylene glycol monocaprylate??????????????31565-12-5C11H22O3
(8R,9S,10R,11S,13S,14R,17R)-11,14,17-Trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one (Prednisolone Impurity)14α-???????????95815-58-0C21H28O6
(6R,7R)-3-(Acetoxymethyl)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefotaxime Impurity)63527-53-7C16H17N5O7S2
7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride (Ciprofloxacin Impurity)526204-10-4C17H18FN3O3
Z-O-Tert-butyl-l-serine N-hydroxysuccinimide ester19460-97-0C19H24N2O7
5,5-Dimethyl-2-(4-(trifluoromethyl)phenyl)-1,3,2-dioxaborinane501374-30-7C12H14BF3O2
Tert-butyl (R)-2-((ethylamino)methyl)pyrrolidine-1-carboxylate(R)-1-BOC-2-(???????)-????1009075-40-4C12H24N2O2
Amlodipine Impurity 26107812-86-2C18H19Cl2NO4
(3R,4R)-3,4-dihydro-2H-pyran-3,4-diyl diacetate3,4-DI-O-???-D-???,3152-43-0C9H12O5
(4-Iodophenyl)diphenylsulfonium triflate(4-?????)????????????255056-46-3C20H16F3IO3S2
3-Chloro-1,1':3',1''-terphenyl98781-25-0C18H13Cl
2,2'-(4,10-Bis(1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid (Gadobutrol Impurity)2514736-58-2C20H40N4O10
[1,1'-Biphenyl]-2-carboxamide[1,1'-???]-2-???????13234-79-2C13H11NO
3-Phenyloxetane3-?????10317-13-2C9H10O
1-(4-(4-((2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)-3-(4-(4-acetylpiperazin-1-yl)phenoxy)phenyl)piperazin-1-yl)ethan-1-one (Ketoconazole Impurity)N-???????-N'-(4-??)?????1346598-39-7C38H42Cl2N6O6
2,5-Dibromothiazolo[5,4-d]thiazole1040390-19-9C4Br2N2S2
3,5-Dimethoxyaniline hydrochloride3,5-??????????40891-33-6C8H12ClNO2
Methyl 2-(4-(2,2-dichlorocyclopropyl)phenoxy)-2-methylpropanoate (Celiprolol Impurity)130232-51-8C14H16Cl2O3
Tris(3-phenylpropyl)amine hydrochloride (Alverine Impurity)878784-75-9C27H34ClN
2-(Benzyloxy)tetrahydro-2h-pyran1927-62-4C12H16O2
2,5-Diazabicyclo[2.2.1]Heptane dihydrobromideCIS-3-???2-????????10094-41-4C11H20O2
Bis(thiazol-5-ylmethyl) ((2S,3S,5S)-3-hydroxy-1,6-diphenylhexane-2,5-diyl)dicarbamate (Ritonavir Impurity)144142-33-6C28H30N4O5S2
2-((4-Chlorobenzyl)oxy)-2-(2,4-dichlorophenyl)ethanamine2334059-11-7C15H14Cl3NO
1-[(1,1-Dimethylethoxy)carbonyl]-N-[(phenylmethoxy)carbonyl]-D-tryptophan1217471-55-0C24H26N2O6
(8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-8,9,10,11,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one (Prednisolone Impurity)6,7-???????????2427-64-7C21H26O5
2,5-Diazabicyclo[2.2.2]Octane-3,6-dione2,5-???????[2.2.2]??-3,6-??1004-98-4C6H8N2O2
N2-(3-Aminopropyl)-6,7-dimethoxy-N2-methylquinazoline-2,4-diamine (Alfuzosin Impurity)76362-29-3C14H21N5O2
3-(3-((2,3-Dihydroxypropyl)carbamoyl)-2,4,6-triiodo-5-(2-methoxyacetamido)-N-methylbenzamido)-2-hydroxypropyl 3-((2,3-dihydroxypropyl)carbamoyl)-2,4,6-triiodo-5-(2-methoxyacetamido)benzoate (Iopromide Impurity)154397-78-1C32H37I6N5O14
((3R,5R)-5-(2,4-difluorophenyl)-5-(iodomethyl)tetrahydrofuran-3-yl) methanol182210-71-5C12H13F2IO2
(R)-3-Amino-4-(2,5-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one hydrochloride (Sitagliptin Impurity)486459-70-5C16H17ClF5N5O
10-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-10H-phenothiazine1771775-13-3C24H24BNO2S
(2R,3R,4R,5R,6R)-5-Acetamido-2-(acetoxymethyl)-6-(3-(((benzyloxy)carbonyl)amino)propoxy)tetrahydro-2H-pyran-3,4-diyl diacetate143918-33-6C25H34N2O11
5-Bromo-1H-indole-6-carboxylic acid1227269-44-4C9H6BrNO2
N-Fmoc-O-methyl-L-allothreonineFMOC-(2S,3S)-2-???-3-??????1279029-70-7C20H21NO5
(1S,3aR,6aS)-2-(((9H-fluoren-9-yl)methoxy)carbonyl)octahydrocyclopenta[c]pyrrole-1-carboxylic acid1418311-56-4C23H23NO4
N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N-(cyanomethyl)glycine2172570-83-9C19H16N2O4
2-Oxo-5-vinylpyrrolidine-3-carboxamide (Vigabatrin Impurity)2-??-5-??????-3-???????71107-19-2C7H10N2O2
(S)-2-Amino-3-(2,3-dihydroxyphenyl)propanoic acid2,3-??????-L-?????28900-64-3C9H11NO4
N-((4aR,6S,7R,8R,8aS)-6-(benzyloxy)-8-hydroxy-2,2-dimethylhexahydropyrano[3,2-d][1,3]dioxin-7-yl)acetamide??2-??????-2-???-4,6-O-???????-aD-????????66026-10-6C18H25NO6
Propa-1,2-dien-1-ylphosphonic acid (Fosfomycin Impurity)1,2-??????????34163-96-7C3H5O3P
Methyl 2-((furan-2-ylmethyl)thio)acetate108499-33-8C8H10O3S
3-Bromoquinolin-6-yl acetate3-??????-6-??????1022151-47-8C11H8BrNO2
1-(5-Carboxypentyl)-2,3,3-trimethyl-3H-indol-1-ium-5-sulfonate146368-08-3C17H23NO5S
3-Bromo-4,5-dihydroisoxazole-5-carboxylic acid amide3-BroMo-4,5-?????-????-5-??????1030613-69-4C4H5BrN2O2
(S)-N-((2S,4S,5S)-5-(2-(2,6-Dimethylphenoxy)acetamido)-4-hydroxy-1,6-diphenylhexan-2-yl)-2-(3-(2-(2,6-dimethylphenoxy)acetyl)-2-oxotetrahydropyrimidin-1(2H)-yl)-3-methylbutanamide (Lopinavir Impurity)943250-66-6C47H58N4O7
(4S)-2-((3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid (Cloxacillin Impurity)1642559-64-5C18H20ClN3O4S
N-(7-(N-Methylmethylsulfonamido)-4-oxo-6-phenoxy-4H-chromen-3-yl)formamide (Iguratimod Impurity)1179354-65-4C18H16N2O6S
2-(1-(2-Oxo-2-((4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)amino)ethyl)cyclopentyl)acetic acid hydrochloride (Buspirone Impurity)257877-46-6C21H31N5O2
1-(3-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide2101651-50-5C14H12FN5
Sodium tridecyl sulfate???????????3026-63-9C13H29NaO4S
Allyl (((9H-fluoren-9-yl)methoxy)carbonyl)-l-histidinate220932-33-2C24H23N3O4
4,4',4''-(Benzene-1,3,5-triyltris(oxy))triphthalic acid444717-58-2C30H18O15
1,1,1,2,4,4,5,7,7,8,10,10,11,13,13,14,16,16,17,17,18,18,18-Tricosafluoro-5,8,11,14-tetrakis(trifluoromethyl)-3,6,9,12,15-pentaoxaoctadecane2H-PERFLUORO-5,8,11,14-?????-3,6,9,12,15-????????37486-69-4C17HF35O5
8-(Benzyloxy)-8-oxooctanoic acid15570-39-5C15H20O4
N'-(2-cyano-4-nitrophenyl)-N,N-dimethylformimidamide39263-34-8C10H10N4O2
2,5-Dioxopyrrolidin-1-yl methyl phthalate438470-19-0C13H11NO6
α-D-Mannopyranosyl chloride, 2,3,4,6-tetraacetate14257-40-0C14H19ClO9
Methyl 4-chlorothiazole-5-carboxylate1015591-57-7C5H4ClNO2S
Bromotrimethylgermane1066-37-1C3H9BrGe
N-(3-(Diethylamino)phenyl)propionamideN-[3-(??????)??]???????22185-75-7C13H20N2O
1-(3,4-dimethylphenyl)-5-ethoxy-3-methyl-1H-pyrazole2500321-37-7C14H18N2O
Cytarabine Impurity 1084902-98-7C4H6N2O3
(S)-3-(2-Amino-1-hydroxyethyl)phenol hydrochloride (Phenylephrine Impurity)(S)-??.-(?????)-3-?????????????????43090-68-2C8H12ClNO2
1-Benzhydryl-3-methylazetidine1-?????-3-??????336182-51-5C17H19N
1-((1H-Indol-3-yl)methyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid (Tryptophan Impurity)287170-99-4C21H19N3O2
((2R,3S,4S,5R)-5-(6-Amino-2-fluoro-9H-purin-9-yl)-4-hydroxy-3-(phosphonooxy)tetrahydrofuran-2-yl)methyl dihydrogen phosphate (Fludarabine Impurity)548774-53-4C10H14FN5O10P2
(S)-6-hydroxy-8-(1-hydroxy-2-((1-(4-methoxyphenyl)-2-methylpropan-2-yl)amino)ethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one hydrochloride868049-50-7C21H26N2O5
Bis(2-bromobenzyl)amine hydrochlorideBIS(2-?????)?????336615-45-3C14H14Br2ClN
4-(1-Ethyl-1H-benzo[d]imidazol-2-yl)-1,2,5-oxadiazol-3-amine293760-29-9C11H11N5O
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