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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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?? ????
1,1′,1′′-Benzo[1,2-b:3,4-b′:5,6-b′′]trithiophene-2,5,8-triyltris[1,1,1-trimethylstannane]
1289556-30-4
C21H30S3Sn3
Methyl 7-chloro-1H-indazole-3-carboxylate
METHYL7-???-1H-INDAZOLE-3-CARBOXYLATE
885278-56-8
C9H7ClN2O2
3-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)aniline hydrochloride
3-?????????,??????????????
850567-43-0
C11H17BClNO2
(6R,7R)-3-(((1,3,4-Thiadiazol-2-yl)thio)methyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Ceftezole Impurity)
24209-43-6
C10H10N4O3S3
Methyl 5-acetamido-2-methylbenzoate
??5-??????-2-??-?????
91133-72-1
C11H13NO3
(2R,3R,4S,5R,6S)-3,4,5-tris(benzyloxy)-2-((benzyloxy)methyl)-6-(ethylthio)tetrahydro-2H-pyran
??2,3,4,6-???-O-??-bD-???????????
108739-67-9
C36H40O5S
1-(3-Iodo-1-isopropyl-1H-pyrazol-4-yl)ethan-1-one
1269440-49-4
C8H11IN2O
methyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4- (phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4- yl)acetate
1353049-81-6
C37H41FN2O5
(Z)-3-(4-Chlorobenzylidene)isobenzofuran-1(3H)-one (Azelastine Impurity)
105279-16-1
C15H9ClO2
(E)-3-((3-Carboxy-4-hydroxyphenyl)diazenyl)-2-hydroxybenzoic acid (Olsalazine Impurity)
752188-68-4
C14H10N2O6
N-(3-((4-Amino-6,7-dimethoxyquinazolin-2-yl)(methyl)amino)propyl)formamide hydrochloride (Alfuzosin Impurity)
1796934-51-4
C15H22ClN5O3
3-Amino-6-chloro-2-methyl-4-phenyl-3,4-dihydroquinazolin-4-ol (Alprazolam Impurity)
27537-87-7
C15H14ClN3O
(5-Chloro-2-(3-(chloromethyl)-5-methyl-4H-1,2,4-triazol-4-yl)phenyl)(phenyl)methanone (Alprazolam Impurity)
37945-07-6
C17H13Cl2N3O
8-chloro-11-(piperidin-4-ylidene)-5,11-dihydro-6H-benzo[5,6]cyclohepta[1,2-b]pyridin-6-one
119410-04-7
C19H17ClN2O
3,3'-((Methylenebis(4,1-phenylene))bis(oxy))bis(1-(isopropylamino)propan-2-ol) (Bisoprolol Impurity)
1225195-70-9
C25H38N2O4
(2S,3R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3-phenylbutanoic acid
2306437-90-9
C26H25NO4
(2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-benzylpyrrolidine-2-carboxylic acid
1334671-66-7
C27H25NO4
(4-((2-Hydroxyethyl)thio)phenyl)boronic acid
4-(2'-????????)?????
2032409-51-9
C8H11BO3S
2-Methoxydibenzo[b,d]furan
2-????????,96
20357-70-4
C13H10O2
Methyl (5-(4-methylbenzoyl)-1H-benzo[d]imidazol-2-yl)carbamate (Mebendazole Impurity)
4-??????
31545-31-0
C17H15N3O3
(2-Chlorothiazol-4-yl)methanamine
4-???????,2-???-
139425-75-5
C4H5ClN2S
2-(4-Bromo-1-methyl-1H-pyrazol-5-yl)acetonitrile
1310379-54-4
C6H6BrN3
N-Methyl-N-((1-methyl-1H-pyrazol-4-yl)methyl)cyclohex-3-ene-1-carboxamide
1215461-16-7
C13H19N3O
(2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methanol (Ketoconazole Impurity)
84682-23-5
C14H14Cl2N2O3
N-((4-Cyano-3-(trifluoromethyl)phenyl)carbamothioyl)benzamide
1895865-08-3
C16H10F3N3OS
tert-butyl 2-((4R,6R)-6-(2-(2-(2-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
1099474-28-8
C40H47FN2O5
S-((2'R,6S,7S,8R,9S,10R,13S,14S)-6-Hydroxy-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) ethanethioate (Spironolactone Impurity)
880106-10-5
C24H32O5S
Ethyl 3-(methyl(phenyl)amino)propanoate
N-??-N-??-??-?????????
2003-76-1
C12H17NO2
(2S,4R)-N-((1R,2R)-2-Hydroxy-1-((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(methylthio)tetrahydro-2H-pyran-2-yl)propyl)-4-propylpyrrolidine-2-carboxamide (Lincomycin Impurity)
2256-16-8
C17H32N2O6S
(R)-2-Benzhydrylpyrrolidine-2-carboxylic acid hydrochloride
1049728-69-9
C18H20ClNO2
(S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-fluorobutanoic acid
2350701-37-8
C19H18FNO4
ethyl(Z)-2-(11-(3-(dimethylamino)propylidene)-6,11-dihydrodibenzo [b,e]oxepin-2-yl)acetate
113806-03-4
C23H27NO3
Benzhexol Impurity 8
6853-22-1
C16H25NO
Betamethasone Impurity 33
11-??-?????????????
64967-90-4
C28H35FO7
5H-Pyrimido[4,5-d]azepine, 2,4-dichloro-6,7,8,9-tetrahydro-, hydrochloride (1:)
2,4-????-6,7,8,9-???????-5H-????[5,4-d]???
635698-50-9
C8H9Cl2N3
Tetrabutylammonium methoxide
?????????????
34851-41-7
C17H39NO
Pivaloyl-d-leucine
899900-51-7
C11H21NO3
N-((3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-oxotetrahydro-2H-pyran-3-yl)acetamide
2-??????-2-???-D-????-.??.-??
19026-22-3
C8H13NO6
4-(3,4-Difluorophenyl)-2-methyl-4-oxobutanoic acid
191018-57-2
C11H10F2O3
4-acetamidohex-5-enoic acid
1824506-31-1
C8H13NO3
5-(Diethylamino)pentan-2-ol
5-??????-2-???
5412-69-1
C9H21NO
Aprepitant Impurity 22
172678-47-6
C20H18F7NO2
Isobutyl 2-cyanoacrylate
?????
1069-55-2
C8H11NO2
Methyl 1-(acetoxymethyl)-4-hydroxy-7-phenoxyisoquinoline-3-carboxylate
1509958-20-6
C20H17NO6
Apremilast Impurity 34
2469037-82-7
C20H20N2O7S
Arbidol Impurity 14
1332614-17-1
C21H23BrN2O3S
1-Ethoxy-3-iodobenzene
3-??????
29052-00-4
C8H9IO
1-(4-(2-Hydroxy-3-(isopropylamino)propoxy)-1H-indol-1-yl)-3-(isopropylamino)propan-2-ol (Pindolol Impurity)
N-(3-????????-2-???????)???
130115-63-8
C20H33N3O3
3-((1H-Indol-4-yl)oxy)propane-1,2-diol (Pindolol Impurity)
3-(1H-??-4-???)-
61212-32-6
C11H13NO3
(8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol (Levonorgestrel Impurity)
14507-51-8
C22H30O2
5-(3,4-Diaminothiophen-2-yl)pentanoic acid (Biotin Impurity)
??????C
412308-26-0
C9H14N2O2S
(8S,9R,10S,11S,13S,14S,16R,17S)-9-Fluoro-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one (Triamcinolone Impurity)
337-02-0
C21H29FO6
Potassium 3-((4aS,4bR,5aR,6aS,7R,9aS,9bR,10R)-7-hydroxy-10-(methoxycarbonyl)-4a,6a-dimethyl-2-oxo-2,3,4,4a,5a,6,6a,7,8,9,9a,9b,10,11-tetradecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)propanoate (Eplerenone Impurity)
???????????
95716-98-6
C24H33KO7
(6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-Dichloro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate (Beclometasone Dipropionate Impurity)
887130-68-9
C28H36Cl2O7
7-Methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
20979-50-4
C17H14O4
3-Chloro-N-sulfamoylpropanimidamide
3-???-N-??????????
106492-70-0
C3H8ClN3O2S
S6677
1889344-13-1
C86H74N4O2S8
(S)-1-(3-(Dimethylamino)propyl)-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile (Escitalopram Impurity)
1346617-30-8
C20H22N2O
(1R,2R)-2-(3-Chloro-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium benzenesulfonate (Cisatracurium Impurity)
1100676-20-7
C30H36ClNO8S
(2'R,4aR,4bS,6aS,7aS,8aS,8bS,8cR,9S)-9-(Chloromethyl)-4a,6a-dimethyl-4,4a,4b,5,6,6a,8,8a,8b,8c,9,10-dodecahydro-2H,3'H-spiro[cyclopropa[4,5]cyclopenta[1,2-a]phenanthrene-7,2'-furan]-2,5'(3H,4'H,7aH)-dione (Drospirenone Impurity)
7-?????17R-??????
932388-89-1
C24H31ClO3
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(6-oxo-1,6-dihydropyridin-2-yl)propanoic acid
2382469-82-9
C23H20N2O5
5,5′-(2λ4δ2-Benzo[1,2-c:4,5-c′]bis[1,2,5]thiadiazole-4,8-diyl)bis[2-thiophenecarboxaldehyde]
1292303-62-8
C16H6N4O2S4
4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid
1097777-60-0
C13H9NO5
N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N-(2,4-dimethoxybenzyl)-l-phenylalanine
1703781-74-1
C33H31NO6
3-amino-2-((2,6-dioxopiperidin-3-yl)carbamoyl)benzoic acid
1001852-15-8
C13H13N3O5
2-(3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)azetidin- 3-yl)acetonitrile hydrochloride
2497340-56-2
C14H14ClN7
N-((S)-1,2-Dimethoxy-10-(methylthio)-9-oxo-3-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)formamide (Thiocolchicoside Impurity)
N-?????-N-?????????
219547-29-2
C26H31NO10S
(2-Butylbenzofuran-3-yl)(4-(2-(diethylamino)ethoxy)-3-iodophenyl)methanone hydrochloride (Amiodarone Impurity)
1397201-93-2
C25H31ClINO3
2',5'-Bis(prop-2-yn-1-yloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde
2585189-58-6
C26H18O4
2-(Dimethylamino)-2-phenylbutan-1-ol hydrochloride (Trimebutine Impurity)
??-(??????)-??-???????????
60577-23-3
C12H20ClNO
(methoxycarbonyl)-d-proline
1344908-81-1
C7H11NO4
(E)-3-(4-((1H-imidazol-1-yl)methyl)phenyl)-1-(1H-imidazol-1-yl)prop-2-en-1-one
2452215-05-1
C16H14N4O
Methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-l-valyl-l-valinate
93709-91-2
C26H32N2O5
N,N-Diethyl-N-(4-vinylbenzyl)ethanaminium chloride
1-????-(4-????)????????
14350-43-7
C15H24ClN
Apremilast Impurity 25
2096492-44-1
C22H24N2O8S
Methyl (1S,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate
298716-04-8
C12H19NO4
4-Bromo-7-(5-hexyl-[2,2-bithiophen]-5-yl)-[1,2,5]thiadiazolo[3,4-c]pyridine
1361034-02-7
C19H18BrN3S3
8-(3-Methoxyphenyl)-4-methyldihydro-4lambda4,8lambda4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborole-2,6(3H,5H)-dione
3-????????MIDA????
1104636-71-6
C12H14BNO5
N-((2S,3R,4R,5S,6R)-4,5-Dihydroxy-6-(hydroxymethyl)-2-(2-methoxy-4-(2-nitrovinyl)phenoxy)tetrahydro-2H-pyran-3-yl)acetamide
70622-74-1
C17H22N2O9
3-Chloro-N-(2-chloroethyl)propan-1-amine
42453-19-0
C5H11Cl2N
(6R,7R)-7-((Z)-2-(Acetoxyimino)-2-(2-aminothiazol-4-yl)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefdinir Impurity)
127770-93-8
C16H15N5O6S2
2-(7-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)ethan-1-amine hydrochloride
1352303-07-1
C13H19NO
Abiraterone Impurity 4
2118-32-3
C23H34O2
rel-(1R,2S)-2-(4-Fluorophenyl)cyclopropan-1-amine hydrochloride
???-[2-(4-??????)???????]?????
26568-26-3
C9H11ClFN
Albendazole Impurity 7 (Methyl Cyanocarbamate) Sodium Salt
N-METHOXYCARBONYLCYANAMIDE????
51234-98-1
C3H3N2NaO2
Amisulpride Impurity 2
????,1-??-2-???-(9CI)
261614-86-2
C7H15NO
6-Chloro-1-cyclopropyl-7-(4-ethylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (Enrofloxacin Impurity)
1369495-59-9
C19H22ClN3O3
3-Amino-N-butylbenzenesulfonamide
143173-93-7
C10H16N2O2S
(2aR,3aS,3bS,3cS,5aS,6R,8aS,8bR,9S,10S)-6-Acetyl-10-chloro-9-hydroxy-3b,5a-dimethyl-2-oxo-2,2a,3,3a,3b,3c,4,5,5a,6,7,8,8a,8b,9,10-hexadecahydrocyclopenta[a]cyclopropa[g]phenanthren-6-yl acetate (Cyproterone Acetate Impurity)
6β-???-7α-????-6,7-???????????????
23814-84-8
C24H31ClO5
(1R,3R,4S,7R)-3-(6-Amino-2-fluoro-9H-purin-9-yl)-2,5-dioxabicyclo[2.2.1]heptan-7-ol (Fludarabine Impurity)
548774-57-8
C10H10FN5O3
Methyl 6-chlorohexanoate
??6-?????????
14273-89-3
C7H13ClO2
N-(2-Chlorobenzyl)-2-(thiophen-2-yl)ethanamine (Ticlopidine Impurity)
69061-17-2
C13H14ClNS
5-(Oxiran-2-ylmethoxy)-3,4-dihydroquinolin-2(1H)-one (Carteolol Impurity)
5-(2,3-???????)-3,4-??????????
51781-14-7
C12H13NO3
(3R,4S)-6-methoxytetrahydro-2H-pyran-3,4-diol
????iMpurity4
863396-35-4
C6H12O4
2-(4-Morpholinyl)ethyl (4Z)-6-(1,3-dihydro-4-hydroxy-6-methoxy-7-methyl-3-oxo-5-isobenzofuranyl)-4-methyl-4-hexenoate
2286278-51-9
C23H31NO7
Diphosphoric acid, P,P′-bis[3-[(2-chloroethyl)amino]propyl] ester (Ifosfamide Impurity)
241482-18-8
C10H24Cl2N2O7P2
(S)-1-((S)-2-(((S)-4-Cyclohexyl-1-ethoxy-1-oxobutan-2-yl)amino)propanoyl)pyrrolidine-2-carboxylic acid (Enalapril Impurity)
2055735-10-7
C20H34N2O5
(E)-N,6,6-Trimethyl-N-(naphthalen-2-ylmethyl)hept-2-en-4-yn-1-amine (Terbinafine Impurity)
187540-01-8
C21H25N
4-(2-Chlorophenoxy)benzonitrile
270259-93-3
C13H8ClNO
1-Methyl-3-(3-sulfopropyl)-1H-imidazol-3-ium hydrogensulfate
916479-93-1
C7H16N2O7S2
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