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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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(4-((Methylsulfonyl)oxy)phenyl)boronic acid957035-04-0C7H9BO5S
(6-Bromo-2-fluoro-3-(methoxycarbonyl)phenyl)boronic acid957120-79-5C8H7BBrFO4
3,3-Difluorocyclopentan-1-amine3,3-???????????????939525-61-8C5H9F2N
4-Nitro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile1218791-28-6C13H15BN2O4
(2-Bromo-6-fluoro-3-methylphenyl)methanol2-BroMo-6-????-3-???????1375069-06-9C8H8BrFO
Methyl 2,6-dichloro-4-fluorobenzoate??2,6-????-4-?????????232275-56-8C8H5Cl2FO2
4-(hydroxyamino)phenol (Cabozantinib Impurity）3505-87-1C6H7NO2
4-((R)-3-aminopiperidin-1-yl)-2-((6-((R)-3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile (Trelagliptin Impurity）1917324-14-1C23H31N7O2
(4S)-5,5-Dimethyl-2-((5-methyl-3-phenylisoxazole-4-carboxamido)methyl)thiazolidine-4-carboxylic acid (Oxacillin Impurity)1642559-63-4C18H21N3O4S
Benzyl 2-amino-3-(benzyloxy)propanoate hydrochlorideO-??-(D)-????????21948-10-7C17H19NO3
(R)-3-(3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)-3-oxopropyl acrylate (Ibrutinib Impurity)2244619-11-0C28H28N6O4
sodium (2S,5S)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl sulfate (Avibactam Impurity）2064219-26-5C7H12N3NaO6S
(2r)-1-Aminopyrrolidine-2-carboxylic acidD-???,1-???-(9CI)10139-05-6C5H10N2O2
(4-Bromo-2-chloro-5-methoxyphenyl)boronic acid(4-BROMO-2-CHLORO-5-METHOXY)?????850567-94-1C7H7BBrClO3
tert-Butyl 3-bromo-2-oxopropanoatetert-??3-???-2-?????????16754-73-7C7H11BrO3
5-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)thio)-1H-benzo[d]imidazole (Tenofovir Impurity）1234081-04-9C18H23N6O5P
tert-Butyl (3S)-3-bromopiperidine-1-carboxylate1354017-20-1C10H18BrNO2
6-(4-((4-carboxybutyl)amino)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid (Apixaban Impurity）2264018-89-3C25H26N4O6
9-(2-bromopropyl)-9H-purin-6-amine (Tenofovir Impurity）1884329-63-8C8H10BrN5
4-Aminothiane-4-carboxylic acid hydrochloride67639-41-2C6H12ClNO2S
2-(((1S,2R,5S)-2-Isopropyl-5-methylcyclohexyl)oxy)acetic acid(+)-???????94133-41-2C12H22O3
2-{Imidazo[1,2-a]pyridin-5-yl}acetic acid????[1,2-a]???-5-????175143-91-6C9H8N2O2
2-(3-Bromo-5-ethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane1073339-03-3C14H20BBrO3
(4-(N,N-Diethylsulfamoyl)-2-methylphenyl)boronic acid4-(N,N-???????)-2-???????1217501-54-6C11H18BNO4S
1-(2-Chloroethyl)-4-methylpiperazine1-(2-?????)-4-??????39123-20-1C7H15ClN2
N-(3,4-dichlorophenyl)-7-methoxy-6- (3-morpholinopropoxy)quinazolin-4- amine (Gefitinib Impurity）2089650-13-3C22H24Cl2N4O3
(R)-2-Amino-1-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)ethan-1-ol (Vilanterol Impurity）208925-08-0C12H17NO3
Oxane-2-carbaldehyde2H-PYRAN-2-CARBOXALDEHYDE,??????-19611-45-1C6H10O2
(4R,4aS,5aR,12aS)-9-(2-(tert-Butylamino)acetamido)-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide (Tigecycline Impurity）1422262-97-2C29H39N5O8
4-Methylisoquinoline-5-sulfonyl chloride5-??????-4-???????194032-16-1C10H8ClNO2S
2-(1-Methylpiperidin-4-yl)acetic acid hydrochloride67686-06-0C8H15NO2.ClH
3-Bromo-5-(2-methoxyethoxy)pyridine3-broMo-5-(2-??????)???181585-07-9C8H10BrNO2
methyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate 2-hydroxy-2-phenylacetate (Sitagliptin Impurity）1253055-94-5C19H20F3NO5
3-Bromo-5-chloro-4-methoxybenzaldehyde161565-36-2C8H6BrClO2
methyl phenyl ((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonate fumarate (Tenofovir Impurity）2126010-02-2C16H20N5O4P
2-(2-Methyl-1,3-thiazol-4-yl)ethan-1-ol121357-04-8C6H9NOS
(3R,5S,E)-7-(4-(4-fluorophenyl)-2-(2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-2-hydroxy-N-methylethylsulfonamido)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (Rosuvastatin Impurity）2226413-61-0C38H46F2N6O9S2
N-((3R,4R)-1-ethyl-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (Tofacitinib Impurity）2183519-70-0C15H23N5
(8R,9S,13S,14S,17S)-3-Hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl Butyrate (Estradiol Impurity）18069-79-9C22H30O3
[4-[5-(Methylamino)-1,3,4-thiadiazol-2-yl]phenyl]boronic acid957034-49-0C9H10BN3O2S
Ethyl 4-(benzofuran-2-yl)-2,4-dioxobutanoate??4-(1-????-2-?)-2,4-?????????106276-58-8C14H12O5
Ethyl 6-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate741709-70-6C14H19BClNO4
5-Chloro-2,3-dihydro-1H-indene-1-carboxylic acid5-???-2,3-DIHYDRO-1H-INDENE-1-CARBOXYLICACID66041-26-7C10H9ClO2
3-Bromo-2-fluoro-5-methylphenol3-???-4-????-5-????????1026796-51-9C7H6BrFO
Methyl 1H-pyrrolo[2,3-c]pyridine-2-carboxylate1H-???[2,3-c]???-2-?????,??????501892-49-5C9H8N2O2
1-tert-Butyl 3-ethyl (3r,4s)-4-aminopyrrolidine-1,3-dicarboxylate hydrochloride1262849-90-0C12H23ClN2O4
(S)-(S)-Quinuclidin-3-yl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (Solifenacin Impurity)732228-02-3C23H26N2O2
2-(4-((2-chlorophenyl)(3-chlorophenyl)methyl)piperazin-1-yl)ethanol dihydrochloride (Cetirizine Impurity）126517-38-2C19H24Cl4N2O
3-Benzoyl-7-methoxy-2h-chromen-2-one3-???-7-??????64267-12-5C17H12O4
(E)- 4-(Methylamino)-2-butenoic Acid (Afatinib Impurity）69169-63-7C5H9NO2
N1,N4-bis((R)-1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)succinamide (Trelagliptin Impurity）2087874-94-8C40H42F2N10O6
2-Amino-2-(4-iodophenyl)acetic acid???(4-?????)????299167-68-3C8H8INO2
(2s)-3-Aminopropane-1,2-diol hydrochloride(S)-3-???-1,2-???????????209849-99-0C3H10ClNO2
4-(2-Methoxyphenyl)butanoic acid4-(2-?????)????33209-75-5C11H14O3
4-Hydroxydibenzothiophene4-???????????24444-75-5C12H8OS
(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-(pyridin-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate (Abiraterone Impurity）165334-72-5C24H31NO
2-Cyano-5-methyl-2-hexenoic Acid (Pregabalin Impurity）869-02-3C8H11NO2
4-(Furan-2-yl)benzaldehyde4-(2-??)??????60456-77-1C11H8O2
sodium (3R,5S)-5-(3-(2-cyclopropyl-4-(4-fluorophenyl)-1-oxidoquinolin-3-yl)oxiran-2-yl)-3,5-dihydroxypentanoate (Pitavastatin Impurity）1980814-90-1C25H24FNO6
N-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-N-(4-fluoro-2-hydroxyphenyl)cyclopropane-1,1-dicarboxamide (Cabozantinib Impurity）1628530-38-0C28H24FN3O6
2-(3-Methoxyphenyl)oxirane1-(?????)-3-?????32017-77-9C9H10O2
2-(Quinolin-8-yl)acetic acid2-(???-8-?)????152150-04-4C11H9NO2
2-Bromo-1,4-dichloro-3-fluorobenzene2-???-1,4-????-3-??????1373233-32-9C6H2BrCl2F
(3-((Methylamino)methyl)phenyl)boronic acid3-((?????)??)?????1146614-39-2C8H12BNO2
2-Acetamido-2-methylpropanoic acid2-?????-2-??????5362-00-5C6H11NO3
Methyl 2,3-difluoro-4-methylbenzoate??2,3-?????-4-???????773874-06-9C9H8F2O2
(1S,2S,3R,5S)-3-(7-Chloro-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol (Ticagrelor Impurity)2248538-63-6C14H20ClN5O4S
bis(5-(((3S,4R)-4-(4-fluorophenyl)piperidin-3-yl)methoxy)benzo[d][1,3]dioxol-4-yl)methane (Paroxetine Impurity）1292846-10-6C39H40F2N2O6
6-cyclopropyl-10-fluorobenzo[k]phenanthridine (Pitavastatin Impurity）1187966-95-5C20H14FN
3-Chloro-5-(trifluoromethyl)anisole3-???-5-(????????)???886497-07-0C8H6ClF3O
N-methyl-4-(4-nitrophenoxy)picolinamide (Sorafenib Impurity）864272-34-4C13H11N3O4
N-((3R,4S)-1-Benzyl-4-methylpiperidin-3-yl)-N-methyl-7-tosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (Tofacitinib Impurity）1092578-44-3C27H31N5O2S
4,5-Dimethyl-1H-imidazole-2-thiol4,5-???-1H-????-2-??1192-72-9C5H8N2S
3-Isopropoxy-4-methoxybenzaldehyde3-ISOPROPOXY-4-METHOXY-??????34123-66-5C11H14O3
3-Azabicyclo[3.2.1]octan-8-one3-??????[3.2.1]??-8-?(9CI)240401-35-8C7H11NO
(R)-(4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)phosphoramidic acid (Sitagliptin Impurity）?????N-??????1351498-25-3C16H16F6N5O4P
((3R,4R)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methanol (Paroxetine Impurity）100332-12-5C13H18FNO
4,6-dichloro-N,N-dimethyl-1,3,5-triazin-2-amine (Vildagliptin Impurity）2401-64-1C5H6Cl2N4
1-(4,5-Dihydrothiazol-2-yl)azetidin-3-ol (Tebipenem Impurity)3-?????-1-(1,3-????-2-?)????161715-27-1C6H10N2OS
(4-(Benzyloxy)-3-chloro-5-methoxyphenyl)boronic acid4-(????)-3-???-5-????????1218790-59-0C14H14BClO4
1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-1-one1256359-22-4C15H21BO3
2-Amino-2-(4-heptylphenethyl)propane-1,3-diol (Fingolimod Impurity）745767-97-9C18H31NO2
2-chlorosuccinic acid (Tofacitinib Impurity）??????16045-92-4C4H5ClO4
5-(2-ethoxy-5-(piperazine-1-carbonothioyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione (Sildenafil Impurity）1610830-81-3C22H28N6OS2
4-Chloro-4'-methoxy-1,1'-biphenyl4-???-4'-??????58970-19-7C13H11ClO
Methyl 3-nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate957065-97-3C14H18BNO6
2-(5-Chloro-2-methyl-4-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane1073353-97-5C14H17BClF3O2
(1S,6S,7R,8S,8aR)-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-6-methoxy-3,7-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate (Simvastatin Impurity）149949-01-9C25H38O7
1-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole1-????-2-???,???????596819-10-2C15H20BNO2
2-Bromo-5-methylpyridine-3-carbaldehyde2-???-5-??-???-3-???????1227577-73-2C7H6BrNO
((2R,3R,4R)-3-(Benzoyloxy)-4-fluoro-5-hydroxy-4-methyltetrahydrofuran-2-yl)methyl benzoate (Sofosbuvir Impurity)1884385-12-9C20H19FO6
1-(3,5-Dimethylphenyl)cyclopropane-1-carbonitrile1154178-67-2C12H13N
1-[4-(trifluoromethyl)phenyl]cyclopropan-1-amine hydrochloride1228880-06-5C10H11ClF3N
1,2-bis(4-fluorophenyl)hydrazine (Cabozantinib Impurity）4-????????332-06-9C12H10F2N2
Ethyl 6-chloro-2-(2,4-difluorophenyl)pyridine-3-carboxylate745833-19-6C14H10ClF2NO2
4-Amino-1-methyl-1H-pyrazole-5-carboxylic acid790164-97-5C5H7N3O2
1-Bromo-3-chloro-2-iodo-5-(trifluoromethyl)benzene175205-55-7C7H2BrClF3I
3,3,3-Trifluoropropane-1-sulfonamide3,3,3-?????????-1-?????1033906-44-3C3H6F3NO2S
2-Amino-5-methyl-3-nitrobenzoic acid5465-34-9C8H8N2O4
2,3-Dibromopropan-1-amine hydrobromide2,3-???????????????6963-32-2C3H8Br3N
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