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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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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
Z-O-Tert-butyl-l-serine N-hydroxysuccinimide ester19460-97-0C19H24N2O7
7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride (Ciprofloxacin Impurity)526204-10-4C17H18FN3O3
3-Chloro-1,1':3',1''-terphenyl98781-25-0C18H13Cl
4-Piperidinecarboxylic acid, 4-[(2-bromophenyl)methyl]-, ethyl ester, hydrochloride (1:1)2702160-79-8C15H21BrClNO2
5,6-Dimethoxy-3-oxo-1,3-dihydroisobenzofuran-1-ide5,6-?????-3H-??????-1-ONE759409-69-3C10H9O4-
(5-Bromo-2-methoxypyridin-3-yl)methanamine hydrochloride1428532-91-5C7H10BrClN2O
2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-6,10,13-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate (Methylprednisolone Acetate Impurity)6α-??????????21-?????1625-11-2C24H34O6
(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
1-(2-Nitroethenyl)-2-(trifluoromethyl)benzene53960-62-6C9H6F3NO2
N'-(2-cyano-4-nitrophenyl)-N,N-dimethylformimidamide39263-34-8C10H10N4O2
(3R,4R)-3,4-dihydro-2H-pyran-3,4-diyl diacetate3,4-DI-O-???-D-???,3152-43-0C9H12O5
(R)-Methyl 3-([1,1'-biphenyl]-4-yl)-2-((tert-butoxycarbonyl)amino)propanoate??-N-TERT-????????-???-4,4'-???-R-???149818-98-4C21H25NO4
4,4',4''-(Benzene-1,3,5-triyltris(oxy))triphthalic acid444717-58-2C30H18O15
(9H-fluoren-9-yl)methyl 2,4-dichloro-5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidine-6-carboxylate903129-86-2C21H15Cl2N3O2
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
1-(4-(4-Hydroxyphenyl)-3,4-dihydropyrazin-1(2H)-yl)ethan-1-one (Ketoconazole Impurity)581806-59-9C12H14N2O2
2-Methoxy-3H-benzimidazole-4-carboxylic acid methyl ester (Candesartan Cilexetil Impurit)2-???-1H-??????-4-??????????1246817-06-0C10H10N2O3
(2S)-2-(4-(N-((2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid (Folinic Acid Impurity)5,10-DiforMyl-5,6,7,8-????????98814-60-9C21H23N7O8
(1R,5S)-5-(Dimethylphenylsilyl)-2-(hydroxymethyl)-2-cyclopentene-1-carboxylic acid649761-21-7C15H20O3Si
Methyl 2-(4-(2,2-dichlorocyclopropyl)phenoxy)-2-methylpropanoate (Celiprolol Impurity)130232-51-8C14H16Cl2O3
(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
(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
1-(3'-Methoxy-2,3,4,5-tetrahydro-[1,1'-biphenyl]-2-yl)-N,N-dimethylmethanamine hydrochloride (Tramadol Impurity)66170-31-8C16H24ClNO
6-Phenyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid6-??-3-(7-????)?????1227270-68-9C14H10N2O2
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
Bis(thiazol-5-ylmethyl) ((2S,3S,5S)-3-hydroxy-1,6-diphenylhexane-2,5-diyl)dicarbamate (Ritonavir Impurity)144142-33-6C28H30N4O5S2
(4S)-2-((3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid (Cloxacillin Impurity)1642559-64-5C18H20ClN3O4S
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
((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
3-Hydroxy-2-phenylisoindolin-1-one18167-15-2C14H11NO2
(S)-3-(2-Amino-1-hydroxyethyl)phenol hydrochloride (Phenylephrine Impurity)(S)-??.-(?????)-3-?????????????????43090-68-2C8H12ClNO2
Methyl (4,6-dichloro-1H-benzo[d]imidazol-2-yl)carbamate (Albendazole Impurity)946498-41-5C9H7Cl2N3O2
(1S,3aR,6aS)-2-(((9H-fluoren-9-yl)methoxy)carbonyl)octahydrocyclopenta[c]pyrrole-1-carboxylic acid1418311-56-4C23H23NO4
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
(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
2-Chloro-4-(naphthalen-2-yl)quinazoline124959-44-0C18H11ClN2
(2R,3R,4R,5R,6R)-5-Acetamido-2-(acetoxymethyl)-6-(3-(((benzyloxy)carbonyl)amino)propoxy)tetrahydro-2H-pyran-3,4-diyl diacetate143918-33-6C25H34N2O11
Ethyl (6-benzoyl-1H-benzo[d]imidazol-2-yl)carbamate (Mebendazole Impurity)??????????31430-19-0C17H15N3O3
1-Methyl-4-nitro-1H-imidazole-5-thiol (Azathioprine Impurity)5-????-1-??-4-???????6339-54-4C4H5N3O2S
(S)-4-Hydroxymephenytoin(S)-4-??????????82695-93-0C12H14N2O3
4-(2,2-Dichlorocyclopropyl)phenol (Celiprolol Impurity)P-(2,2-??????????)??52179-26-7C9H8Cl2O
N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N-(cyanomethyl)glycine2172570-83-9C19H16N2O4
1-(2-Bromopyridin-4-yl)ethan-1-ol1220126-97-5C7H8BrNO
(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
(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
8-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-5-one117811-11-7C19H17ClN2O
N2-(3-Aminopropyl)-6,7-dimethoxy-N2-methylquinazoline-2,4-diamine (Alfuzosin Impurity)76362-29-3C14H21N5O2
Tris(3-phenylpropyl)amine hydrochloride (Alverine Impurity)878784-75-9C27H34ClN
2-Oxo-5-vinylpyrrolidine-3-carboxamide (Vigabatrin Impurity)2-??-5-??????-3-???????71107-19-2C7H10N2O2
2-(Benzyloxy)tetrahydro-2h-pyran1927-62-4C12H16O2
(E)-3-(4-Ethylphenyl)acrylic acid120680-98-0C11H12O2
Benzyl (S)-3-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate???,3-[[(1,1-??????)????]???]-4-????-,????????,(3S)-79069-16-2C16H23NO5
2-((2-cyanoethyl)(phenyl)amino)ethyl benzoate3-((2-(?????)??)?????)????????25047-90-9C18H18N2O2
(((1R,3R)-5-(2-chloroethylidene)cyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)139356-38-0C20H41ClO2Si2
1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid956011-26-0C14H10FN3O2
1-(3-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide2101651-50-5C14H12FN5
2-Hydroxy-5-(4-methylthiazol-2-yl)benzaldehyde2227293-68-5C11H9NO2S
(E)-2-Methoxy-4-(prop-1-en-1-yl)phenol (Eugenol Impurity)(E)-2-???-4-(???-1-??)??5932-68-3C10H12O2
Thiamphenicol-d3-11217723-41-5C12H12Cl2D3NO5S
1,4-Dibromoanthracene-9,10-dione85392-80-9C14H6Br2O2
(4-Ethoxy-2,4-dioxobutyl)triphenylphosphonium chloride(3-ETHOXYCARBONYL-2-OXOPROPYL)???????????106302-03-8C24H24ClO3P
(2S,5S)-6-((benzoyloxy)methyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetrabenzoate1,2,3,4,6-??-O-???-D-?????????3006-48-2C41H32O11
(2R,4S)-pentane-1,2,3,4,5-pentaol16277-71-7C5H12O5
N-(3-methoxypropyl)acrylamideN-(3-??????)??????107374-86-7C7H13NO2
(6-Chloropyridin-2-yl)(1-methylpiperidin-4-yl)methanone225112-16-3C12H15ClN2O
6-(Allyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol20746-64-9C16H20O6
(3AR,5R,6S,7S,7aR)-5-(acetoxymethyl)-2-methoxy-2-methyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-6,7-diyl diacetate50801-29-1C15H22O10
1,5-Dimethylpyrimidine-2,4(1h,3h)-dione1-????4160-72-9C6H8N2O2
2-(((3,4-Dimethoxypyridin-2-yl)methyl)thio)-1H-benzo[d]imidazol-6-ol1166386-02-2C15H15N3O3S
Methanesulfonic acid compound with (S)-1-(2,4-dichlorophenyl)ethane-1,2-diol (1:1)(S)-1-(2,4-??????)-1,2-????????????187164-22-3C10H12Cl2O6S2
(3R,5S)-5-((R)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoic acid, calcium salt854898-49-0C44H54CaF2N6O12S2
2-(1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-N5,N5-dimethylpyrimidine-4,5,6-triamine1169770-52-8C19H19FN8
2-(((3,4-Dimethoxypyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazol-6-ol1261238-06-5C15H15N3O4S
3-Bromo-10,10-dimethyl-10H-spiro[anthracene-9,9-fluorene]2170533-42-1C28H21Br
3-Methylbenzo[f]quinoline3-????-5,6-???85-06-3C14H11N
1,3,5-Trichloro-2-methylbenzene1,3,5-?????-2-????23749-65-7C7H5Cl3
2-(4-(Chloromethyl)phenyl)benzo[d]oxazoleP-(2-?????)?????57864-19-4C14H10ClNO
1-Phenylbut-2-yn-1-one1-??-2-??-1-?6710-62-9C10H8O
(2R,6S)-2,6-dimethyl-4-(5-nitropyridin-2-yl)morpholine956699-05-1C11H15N3O3
(7-Bromo-9,9-dihexyl-9H-fluoren-2-yl)boronic acid7-???-9,9-???????-2-?-???934762-26-2C25H34BBrO2
Methyl 4-chloro-2-(N-methyl-N-phenylsulfamoyl)benzoate??4-???-2-(N-??-N-???????)?????914221-64-0C15H14ClNO4S
1-((2-Hydroxyethoxy)methyl)-5-methylpyrimidine-2,4(1H,3H)-dione68724-11-8C8H12N2O4
3-Hydroxy-N-methyl-3-(thiophen-2-yl)propanamide603996-87-8C8H11NO2S
2-((2-(Hydroxy(phenyl)methyl)benzyl)(methyl)amino)ethan-1-ol2-[[(2-??????)?????]??]????????60725-36-2C17H21NO2
7-Fluoro-3-(piperidin-4-yl)-1H-indole7-????-3-(4-?????)-1H-??439082-27-6C13H15FN2
N-(4-bromo-2-picolinoylphenyl)benzamide2-(2-????-5-??????)???22753-88-4C19H13BrN2O2
3-(((Allyloxy)carbonyl)amino)propanoic acid111695-91-1C7H11NO4
Silver, [(2S)-2-(hydroxy-κO)propanoato-κO]-2-????????????80298-33-5C3H5AgO3
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-(2,4-dichlorophenyl)pentanoic acid2349579-56-0C26H23Cl2NO4
(S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5,5,5-trifluoropentanoic acid2349340-84-5C20H18F3NO4
Methyl (S)-4-((tert-butyldimethylsilyl)oxy)-2-hydroxybutanoate307532-01-0C11H24O4Si
(2R,3R)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-5-methylhexanoic acid73397-26-9C12H23NO5
N-EthylbenzamideN-???????614-17-5C9H11NO
7,14-Diphenylacenaphtho[1,2-k]fluoranthene7,14-????????[1,2-k]?????7229-88-1C38H22
(S)-1-(4-(benzyloxy)-3-nitrophenyl)-2-bromoethan-1-ol(S)-1-(4-????-3-???-??)-2-???-???193761-53-4C15H14BrNO4
(2R,3S)-butane-2,3-diol5341-95-7C4H10O2
7-Methoxy-2,2-dimethyl-2H-chromene17598-02-6C12H14O2
2-Oxo-2-phenylethyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-serinateN-(9-????????????)-L-?????????125760-26-1C26H23NO6
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