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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:40109
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2,2-Difluorocyclobutane-1-carboxylic acid2,2-???????????????1150518-74-3C5H6F2O2
IID610-2Br1147124-24-0C48H72Br2N2O2
Potassium tris((trifluoromethyl)sulfonyl)methanide114395-69-6C4F9KO6S3
Tert-butyl 4'-methyl-[1,1'-biphenyl]-2-carboxylateTERT-??4'-?????-2-???????114772-36-0C18H20O2
3-(4-Bromophenyl)-1,1,1-trifluoropropan-2-ol3-(4-?????)-1,1,1-??????-2-????1148050-30-9C9H8BrF3O
5-Bromo-1,2-difluoro-3-methylbenzene5-BroMo-1,2-?????-3-????1143502-75-3C7H5BrF2
Methyl (2R,4R)-1-Boc-4-aminopyrrolidine-2-carboxylate1146160-08-8C11H20N2O4
1,1,1-Trimethoxy-N,N-dimethylsilanamine116228-47-8C5H15NO3Si
(1-(Tert-butoxycarbonyl)-1H-pyrazol-3-yl)boronic acid1162261-97-3C8H13BN2O4
4-Iodo-1H-pyrrolo[2,3-b]pyridin-2(3H)-one1190321-89-1C7H5IN2O
1-(Benzenesulfonyl)-3-bromo-1H-pyrrole1192217-75-6C10H8BrNO2S
Octahydropyrrolo[1,2-a]piperazine oxalate1192657-15-0C9H16N2O4
2-Chloro-5-fluoro-4-methoxy-6-methylpyrimidine2-???-5-????-4-???-6-??????1192479-35-8C6H6ClFN2O
1-Benzylpyrrolidine-3-carboxamide1-??-????-3-????????115687-29-1C12H16N2O
2,3-Dichloro-4-Methyl-1-nitro-5-(trifluoromethyl)benzene2,3-????-6-????????-4-??????115571-68-1C8H4Cl2F3NO2
7-[(tert-Butoxy)carbonyl]-5H,6H,7H,8H-imidazo[1,5-a]pyrazine-1-carboxylic acid1160248-16-7C12H17N3O4
Montelukast Impurity 181152185-58-4C35H36ClNO4S
2,2',4-Trifluoro-1,1'-biphenyl115245-05-1C12H7F3
tert-Butyl 4-(2,6-dichloropyrimidin-4-yl)piperazine-1-carboxylate1155306-28-7C13H18Cl2N4O2
3-Bromo-5-methoxybenzamide3-broMo-5-???????1177558-45-0C8H8BrNO2
2,3,5,6,7,8-Hexahydro-1H-cyclopenta[b]quinolin-9-amine hydrochloride hydrate2,3,5,6,7,8-??????-1H-??????[b]???-9-????????(1:1:1)118499-70-0C12H16N2.HCl.H2O
Methyl 4-chloropyrazolo[1,5-a]pyridine-3-carboxylate4-???-??????[1,5-a]???-3-???????1167056-15-6C9H7ClN2O2
(3aR,8aR)-(-)-4,4,8,8-Tetrakis(3,5-diethylphenyl)tetrahydro-2,2-dimethyl-6-phenyl-1,3-dioxolo[4,5-e]dioxaphosphepin1187446-93-0C53H65O4P
3-Iodo-7-methoxy-1H-pyrrolo[3,2-b]pyridine3-???-7-???-4-????1190318-85-4C8H7IN2O
1-(Pyridin-4-yl)butan-1-amine1-(4-???)-1-????1179877-52-1C9H14N2
5-Methyl-2-(tributylstannyl)furan5-??-2-(???????)??118486-95-6C17H32OSn
4-Chloro-5-(2,3-dichlorophenoxy)-2-nitroaniline4-???-5-(2,3-???????)-2-??????118353-04-1C12H7Cl3N2O3
Methyl 2-oxo-1H,2H,3H-pyrrolo[2,3-b]pyridine-4-carboxylate1190313-98-4C9H8N2O3
Methyl 2-oxo-1H,2H,3H-pyrrolo[3,2-b]pyridine-6-carboxylate??4-??-2-???-6…1190312-75-4C9H8N2O3
Moxifloxacin Impurity 90; Usp Moxifloxacin Related Compound F1179992-99-4C22H26FN3O4
(3R,4R,5S,6R)-3-acetamido-6-(acetoxymethyl)-5-fluorotetrahydro-2H-pyran-2,4-diyl diacetate2-??????-2,4-????-4-????-D-???????116049-57-1C14H20FNO8
4-Dodecyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene1173788-58-3C22H39BO2S
4,4'-(Anthracene-9,10-diylbis(ethyne-2,1-diyl))dianiline1186580-77-7C30H20N2
Benzyl (6-bromohexyl)carbamate(6-???-??)-??????????116784-97-5C14H20BrNO2
4-(6-Chloro-2-trifluoromethylpyrimidin-4-yl)morpholine4-(6-???-2-????????????-4-?)????1189444-94-7C9H9ClF3N3O
1-(2,4-Difluorophenyl)cyclopropylamine Hydrochloride1-(2,4-???????)???????????1186663-18-2C9H10ClF2N
Chloro(methyl)(octadecyl)(3-phenylpropyl)silane??(3-?????)?????????1166892-10-9C28H51ClSi
3-Phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine5-??-3-???????,???????1171891-07-8C17H20BNO2
5-Bromo-1-methyl-3-phenyl-1H-pyrazole1188116-65-5C10H9BrN2
4'-Trifluoromethyl-3,4-dimethoxybenzophenone4'-????????-3,4-????????116412-99-8C16H13F3O3
Bis(2-phenylquinoline-C2,N)(acetylacetonato)iridium(III)??(2-?????)(?????????)???(III)1173886-71-9C35H28IrN2O2-2
Bazedoxifene N-Oxide1174289-22-5C30H34N2O4
(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-azidopentanoic acid1176270-25-9C20H20N4O4
5-Bromo-2-(4-nitrophenoxy)pyrimidine5-???-2-(4-??????)????1185158-29-5C10H6BrN3O3
(3aS,8aS)-4,4,8,8-Tetrakis(3,5-dimethylphenyl)tetrahydro-2,2-dimethyl-6-phenyl-1,3-dioxolo[4,5-e][1,3,2]dioxaphosphepin1169835-86-2C45H49O4P
cis-4-Aminocyclohexanecarboxylic acid hydrochloride118785-97-0C7H14ClNO2
2-(2,4-Difluorophenyl)pyrrolidine hydrochloride2-(2,4-???????)-???????1189996-39-1C10H12ClF2N
Dimethyl 2-(bromomethyl)-[1,1'-biphenyl]-4,4'-dicarboxylate1186048-29-2C17H15BrO4
Ethyl 8-chloroimidazo[1,5-a]pyrazine-1-carboxylate??8-???????[1,5-a]???-1-???????1160248-06-5C9H8ClN3O2
2-(Piperazin-1-yl)-1-(pyrrolidin-1-yl)ethan-1-one dihydrochloride2-(????-1-?)-1-(????-1-?)???????????????1182708-84-4C10H21Cl2N3O
Benidipine Impurity T119009-45-9C28H31N3O6
(9H-Fluoren-9-yl)methyl (S)-(2-oxotetrahydrofuran-3-yl)carbamateFMOC-??????116857-07-9C19H17NO4
(2S,3aR,7aS)-1-((S)-2-(((S)-1-Methoxy-1-oxo-4-phenylbutan-2-yl)amino)propanoyl)octahydro-1H-indole-2-carboxylic acid (Trandolapril Impurity)??????????????118194-41-5C23H32N2O5
(3R,5S)-5-(6-cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridin-8-yl)-3,5-dihydroxypentanoic acid1187966-91-1C25H24FNO4
(1R,2S)-Ethyl 1-amino-2-vinylcyclopropanecarboxylate hemisulfate(1R,2S)-??1-???-2-?????????????????????1173807-85-6C16H28N2O8S
3-Bromo-4-methoxy-1H-indazole3-BroMo-4-???1H-???1167055-27-7C8H7BrN2O
4-Chlorobenzo[d]thiazole-2-carbonitrile4-???-2-???????????1188232-19-0C8H3ClN2S
NH2-MIL-101(Fe)1189182-85-1C24H15ClFe3N3O13
10-(2-Biphenyl)-9-anthracene borate pinacol ester1184301-61-8C32H29BO2
1'H-Spiro[piperidine-4,3'-quinolin]-2'(4'H)-one hydrochloride1175358-24-3C13H17ClN2O
6-cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridine (Pitavastatin Impurity）1187966-94-4C20H16FN
Ethyl 5-bromo-4-methylbenzofuran-2-carboxylate1192172-68-1C12H11BrO3
O-(Methacryloxyethyl)-N-(triethoxysilylpropyl)carbamateo-(????????)-N-(??????????)???115396-93-5C16H31NO7Si
3-((tert-Butoxycarbonyl)amino)oxetane-3-carboxylic acid3-Boc-aMino-3-????????1159736-25-0C9H15NO5
2-(Chloromethyl)-6-methylimidazo[1,2-a]pyridine2-(?????)-6-??????[1,2-A]??????118000-40-1C9H9ClN2
tert-Butyl 4-methyl-4-(piperazin-1-yl)piperidine-1-carboxylate1-Boc-4-??-4-????-1-?-????1185064-24-7C15H29N3O2
DTSi88-2Sn1160106-15-9C30H54S2SiSn2
Lapatinib Impurity 211152131-73-1C26H17ClFN3O4
1-Benzyl 4-methyl 4-aminopiperidine-1,4-dicarboxylate1,4-??????????,4-???-,4-??1-(????)????115655-42-0C15H20N2O4
3-Chloro-5-[[2-oxo-4-(trifluoromethyl)-1,2-dihydropyridin-3-yl]oxy]benzonitrileMK-1439??1155846-86-8C13H6ClF3N2O2
4-Bromo-2-chloro-5-(trifluoromethoxy)aniline4-broMo-2-???-5-(?????????)???115844-00-3C7H4BrClF3NO
5-Chloro-2-ethylpyridine1159815-12-9C7H8ClN
1,2-Dichloro-3-methyl-4-(trifluoromethyl)benzene2,3-????-6-(????????)???115571-59-0C8H5Cl2F3
5-Bromo-2-(3,5-dimethyl-1H-pyrazol-1-yl)pyridine5-???-2-(3,5-??????-1-?)???1150164-92-3C10H10BrN3
(Tert-butoxycarbonyl)-L-alanylglycylglycine115035-47-7C12H21N3O6
Methyl 3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylateMETHYL3-METHYL-1H-PYRAZOLO[3,4-B]???-5-???????1150618-05-5C9H9N3O2
(5-Chloro-6-propoxypyridin-3-yl)boronic acid5-???-6-???????-3-???1150114-70-7C8H11BClNO3
(2R,2'R,4S,4'S)-2,2'-((1R,4R,7R,10R,13R)-1-Amino-14-(((2S,5R,6R)-2-carboxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-6-yl)amino)-2,5,8,11,14-pentaoxo-1,7,13-triphenyl-3,6,9,12-tetraazatetradecane-4,10-diyl)bis(5,5-dimethylthiazolidine-4-carboxylic acid) (Ampicillin Impurity)114977-84-3C48H57N9O12S3
n-(2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)cyclopropanamine2-(N-???????????)?????,1150271-52-5C16H24BNO2
Methyl 4-fluorooxane-4-carboxylate??4-??????????-2H-??-4-???????1150617-60-9C7H11FO3
3-(Trifluoromethyl)-5H,6H,7H-pyrrolo[3,4-b]pyridine hydrochloride3-(????????)-6,7-????-5H-???[3,4-b]??????1158357-67-5C8H8ClF3N2
(S)-Benzyl (2-oxopyrrolidin-3-yl)carbamate118507-50-9C12H14N2O3
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinamide5-(4,4,5,5-?????-1,3,2-??????-2-?)??????1169402-51-0C12H17BN2O3
3-Methyl-2,5-dihydrothiophene 1,1-dioxide1193-10-8C5H8O2S
2-Benzyl-2,6-diazaspiro[3.3]heptane2-??-2,6-??????[3.3]??1194508-28-5C12H16N2
1-[4-BROMO-2-(TRIFLUOROMETHYL)PHENYL]ETHAN-1-ONE4-BroMo-2-(????????)?????1197231-94-9C9H6BrF3O
Ethyl 1-(hydroxymethyl)cyclobutane-1-carboxylate??1-???????????????????1195-81-9C8H14O3
(S)-2-Amino-3-(4-(methylsulfonyl)phenyl)propanoic acid1195655-47-0C10H13NO4S
(R)-2-Amino-2-methylhept-6-enoic acid(R)-2-???-2-??-??-6-??1196090-89-7C8H15NO2
2-Chloro-3-fluoro-4-formylpyridine hydrate1196156-07-6C6H3ClFNO.H2O
4-(Oxiran-2-ylmethoxy)butyl acrylate2-???? 4-(2-???????)??119692-59-0C10H16O4
2-Chloro-3,4-dimethoxybenzonitrile2-???-3,4-?????????119413-61-5C9H8ClNO2
N-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamideN-??-3-(4,4,5,5-?????-1,3,2-??????-2-?)?????1197171-76-8C14H20BNO3
6-Chloro-1,2,3,4-tetrahydro-2,7-naphthyridine6-???-1,2,3,4-???????-2,7-?????1196151-85-5C8H9ClN2
(1H-1,2,4-Triazol-5-yl)methanol hydrochloride(1H-[1,2,4]????-3-?)-??????1195596-30-5C3H6ClN3O
Ethyl 4-(3-bromo-4-formylphenoxy)benzoate??4-(3-???-4-??????)?????1196474-68-6C16H13BrO4
Bis(tetramethylcyclopentadienyl)zirconium dichloride??(?????????????)??????????119445-90-8C18H24Cl2Zr
Fenchone??1195-79-5C10H16O
3-((Tert-butoxycarbonyl)amino)-2,2-difluoropropanoic acid1196145-07-9C8H13F2NO4
tert-Butyl 2'-(tert-butyl)-7'-oxo-6',7'-dihydro-2'H-spiro[piperidine-4,5'-pyrano[3,2-c]pyrazole]-1-carboxylate1197815-67-0C19H29N3O4
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