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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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3-Bromo-6-(difluoromethyl)pyridin-2-amine1805028-09-4C6H5BrF2N2
5-Chloro-2-iodo-1H-pyrrolo[2,3-c]pyridine1934794-74-7C7H4ClIN2
4-Bromocyclohex-3-ene-1-carboxylic acid4-????????-3-?-1-?????854722-22-8C7H9BrO2
1-((Benzyloxy)carbonyl)-4-ethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid1869118-25-1C15H17NO4
3-Bromo-2-chloro-5-(trifluoromethoxy)pyridine1361852-33-6C6H2BrClF3NO
N-(((9H-fluoren-9-yl)methoxy)carbonyl)-N-(2-phenoxyethyl)glycine2255321-25-4C25H23NO5
(R)-2-(1-((2-amino-5-bromopyridin-3-yl)oxy)ethyl)-4-fluorobenzoic acid1454849-17-2C14 H12 Br F N2 O3
8-Bromoquinoline-5-sulfonyl chloride8-??????-5-????????930396-14-8C9H5BrClNO2S
(R)-2-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid (Cefotaxime Impurity)75679-12-8C14H15N5O6S2
5,5-Dimethyl-2-(2-(trifluoromethyl)phenyl)-1,3,2-dioxaborinane95753-22-3C12H14BF3O2
2-([1,1'-Biphenyl]-4-yl)-4-(4-bromophenyl)-6-phenyl-1,3,5-triazine1911641-83-2C27H18BrN3
4-(Tert-butyl)benzene-1,3-diol4-tert-???????2206-50-0C10H14O2
3,4-Dimethylcyclohex-3-en-1-ol53827-87-5C7H7NO2S
(6R,7R)-7-((R)-2-(Formyloxy)-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefmandole Sodium Impurity)1947364-12-6C17H16N2O6S
9-Ethenylphenanthrene9-??????14134-06-6C16H12
2,5-Difluoro-1,4-benzenedicarbonitrile2,5-?????-1,4-?????????1897-49-0C8H2F2N2
6-((Benzyloxy)methyl)pyrimidin-4-ol188177-37-9C12H12N2O2
1-Allyl-4-(trifluoromethyl)benzene3-[(4-????????)??]-1-???1813-97-4C10H9F3
3-Bromo-5-fluoro-α,α-dimethylbenzenemethanol1783974-49-1C9H10BrFO
N-(4-Aminophenyl)-2-thiophenecarboxamide???-2-?????(4-???-??)-???39880-86-9C11H10N2OS
1,1,3,3-Tetramethylguanidine hydrochloride1-(p-??)????1729-17-5C8H11N3
2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetaldehyde (Methylprednisolone Acetate Impurity)150899-33-5C22H28O4
(8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-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)13479-38-4C21H28O4
4-Acetylisoindolin-1-one4-???-2,3-?????-????-1-?1021874-48-5C10H9NO2
Tetrahydro-2h-pyran-4-thiol??????-??-4-??203246-71-3C5H10OS
n-(4-Bromophenyl)-n-phenylnaphthalen-2-amineN-(4-?????)-N-??-2-??????204065-88-3C22H16BrN
3-Bromo-4-isobutoxybenzonitrile3-???-4-(2-??????)?????208665-95-6C11H12BrNO
2-Bromo-5-iodonicotinic acid65550-80-3C6H3BrINO2
2-(2-Fluoro-5-methoxyphenyl)acetic acid2-(2-????-5-?????)????798563-50-5C9H9FO3
3-(2,2,2-Trifluoroacetyl)benzonitrile3'-???-2,2,2-???????????23568-85-6C9H4F3NO
n-Ethyl-2-nitrobenzenesulfonamide???????,N-??-2-???-23530-41-8C8H10N2O4S
(3Ar,5r,6s,6ar)-5-((r)-1,2-dihydroxyethyl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl acetate1,2-O-ISOPROPYLIDENE-ALPHA-D-GLUCOFURANOSE3-?????24807-96-3C11H18O7
4-(Trifluoromethyl)quinoline-2-carbonitrile4-(????????)???-2-??????25199-89-7C11H5F3N2
3-(1-((2r,4s,5r)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-n-(6-(2,2,2-trifluoroacetamido)hexyl)acrylamide5-[N-(6-(????????????)??)-3(E)-??????]-2'-??????252337-58-9C20H27F3N4O7
1,2-dihydroacenaphthylene3,4,5,11-????????????26761-12-6C12H12
[1,1'-biphenyl]-2-thiol2688-96-2C12H10S
Dicyclohexylamine n-(tert-butoxycarbonyl)-s-trityl-l-cysteinate26988-59-0C39H52N2O4S
1,2-Bis(difluoromethoxy)benzene1,2-??(????????)??27691-14-1C8H6F4O2
1,2,5-Tribromo-3-fluorobenzene1-????-2,3,5-???????2839-37-4C6H2Br3F
tert-butyl (S)-4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-aminobutanoate291529-78-7C23H28N2O4
1-(2-Amino-5-hydroxyphenyl)ethan-1-one???,1-(2-???-5-???????)-(9CI)30954-71-3C8H9NO2
1-(Allyloxy)-2-(bromomethyl)benzene2-(????)???????319918-15-5C10H11BrO
3-(3,5-Di-tert-Butyl-4-hydroxyphenyl)propanehydrazide3-(3,5-?-tert-??-4-??????)?????????32687-77-7C17H28N2O2
n-Methyl-n-(2-(4-nitrophenoxy)ethyl)pyridin-2-amine329249-47-0C14H15N3O3
n-Phenyl-2,3-dihydro-1h-inden-2-amineN-??-2-?????33237-72-8C15H15N
n-(Hydroxymethyl)stearamideN-???????-??????3370-35-2C19H39NO2
3-Oxo-3,4-dihydro-2h-pyrido[3,2-b][1,4]oxazine-6-carboxylic acid337463-89-5C8H6N2O4
n-Methylbenzo[d][1,3]dioxol-5-amine1,3-?????-5-??,N-??-34060-22-5C8H9NO2
(s)-2-Methyl-1-phenylpropan-1-ol(S)-(-)-2-??-1-??-1-????34857-28-8C10H14O
Methyl 4,6-dibromo-3-methoxypicolinate2-????????,4,6-dibroMo-3-???-,??????350602-03-8C8H7Br2NO3
Sodium metavanadate dihydrate??????????????16519-65-6H2NaO4V
(1R,5R)-4,6,6-trimethylbicyclo[3.1.1]Hept-3-en-2-one????18309-32-5C10H14O
5-Bromo-2-fluoro-3-(trifluoromethyl)benzoic acid1881295-62-0C8H3BrF4O2
Octan-2-yl 2-(2,4-dichlorophenoxy)acetate??-2-?2-(2,4-???????)?????1917-97-1C16H22Cl2O3
4-Bromophenanthrene4-???????19462-79-4C14H9Br
3-(Chloromethyl)benzaldehyde3-(?????)-??????77072-00-5C8H7ClO
7-Fluoro-4-methylindoline-2,3-dione749240-53-7C9H6FNO2
5-Fluoro-6-methylindoline-2,3-dione749240-54-8C9H6FNO2
1,3-Phenylenebis((2-methylaziridin-1-yl)methanone)1,1""-(1,3-????????)??(??????)7652-64-4C14H16N2O2
(R)-2-amino-3-(6-methyl-1H-indol-3-yl)propanoic acid6-??-D-????67008-97-3C12H14N2O2
6-(Aminomethyl)picolinic acid hydrochloride1610028-43-7C7H9ClN2O2
3,3'-((2,2-Diphenylethene-1,1-diyl)bis(4,1-phenylene))dipyridine2160539-20-6C36H26N2
Ethyl 2-(4-(2-(4-chlorobenzamido)ethyl)phenoxy)-2-methylpropanoate (Bezafibrate Impurity)41859-58-9C21H24ClNO4
Isobutyl (thiazol-5-ylmethyl) ((2S,3S,5S)-3-hydroxy-1,6-diphenylhexane-2,5-diyl)dicarbamate (Ritonavir Impurity)1010809-39-8C28H35N3O5S
(S)-1-((3R,6S,9R,12S,15R,18S,21S)-3-((1H-Imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-21-(3-guanidinopropyl)-12-(4-hydroxybenzyl)-9-(hydroxymethyl)-15,18-diisobutyl-1,4,7,10,13,16,19-heptaoxo-1-((S)-5-oxopyrrolidin-2-yl)-2,5,8,11,14,17,20-heptaazadocosan-22-oyl)-N-ethylpyrrolidine-2-carboxamide (Leuprolide (Leuprorelin) Impurity)1872435-00-1C59H84N16O12
(2S,3S,5S)-2-(2-(2,6-Dimethylphenoxy)acetamido)-5-((S)-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanamido)-1,6-diphenylhexan-3-yl 2-(2,6-dimethylphenoxy)acetate (Lopinavir Impurity)(2,6-?????)????????943250-65-5C47H58N4O7
2-(2-Ethoxyphenoxy)ethanamine hydrochloride (Tamsulosin Impurity)1051368-80-9C10H16ClNO2
1,8-Dibromo-3,6-di-tert-butyl-9H-carbazole3,6-???????625385-37-7C20H23Br2N
(1R,2r,3S,4R,6S)-4,6-Diaminocyclohexane-1,2,3-triol dihydrobromide (Gentamicin Sulfate Impurity)84107-26-6C6H15BrN2O3
2-(8-Ethyl-1-propyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl)acetic acid (Etodolac Impurity)1-???????57816-83-8C18H23NO3
3-(3,7-Dichloro-10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,N-dimethylpropan-1-amine hydrochloride (Clomipramine HCl Impurity)DichloroiMipraMine???115189-28-1C19H23Cl3N2
3,3'-Dimethoxy-1,1'-biphenyl3,3'-????6161-50-8C14H14O2
2',5'-Bis(octyloxy)-[1,1':4',1''-terphenyl]-4,4''-dicarbaldehyde1801332-53-5C36H46O4
1,2-Dichloro-3-(dichloromethyl)benzene (Clevidipine Impurity)57058-14-7C7H4Cl4
N1,N1,N2,N2-Tetramethylethane-1,2-diamine hydrochloride (Clavulanic acid Impurtiy)7677-21-6C6H18Cl2N2
Methyl 2-hydroxy-5-(1-hydroxy-2-((4-phenylbutan-2-yl)amino)ethyl)benzoate hydrochloride (Labetalol Impurity)33778-93-7C20H26ClNO4
5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione (Primidone Impurity)1189504-46-8C21H24N2O2
(6,7-Dimethoxyisoquinolin-1-yl)(3,4-dimethoxyphenyl)methanol (Papaverine Impurity)??-(3,4-??????)-6,7-?????????-1-???482-76-8C20H21NO5
(8S,9S,10S,13S,14S,17R)-13-Ethyl-17-ethynyl-10,17-dihydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one (Levonorgestrel Impurity)21508-50-9C21H28O3
2-(4-(3-(Ethylamino)-2-hydroxypropoxy)phenyl)acetamide (Atenolol Impurity)1797116-92-7C13H20N2O3
2-(4'-Chloro-2,3,4,5-tetrahydro-[1,1'-biphenyl]-4-yl)-3-hydroxynaphthalene-1,4-dione (Atovaquone Impurity)1809464-27-4C22H17ClO3
Dimethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate fumarate (Amlodipine Impurity)????IMpurityFMaleate400024-11-5C26H31ClN2O8S
2-((8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetaldehyde (Hydrocortisone Impurity)21-?????????14760-49-7C21H28O5
Methyl 7-(5-oxo-3-((tetrahydro-2h-pyran-2-yl)oxy)cyclopent-1-en-1-yl)heptanoate1-??????-1-???,5-??-3-[(???????-2H-??-2-?)??]-,??????40098-24-6C18H28O5
5,5'-((3,4-Dimethoxyphenethyl)azanediyl)bis(2-(3,4-dimethoxyphenyl)-2-isopropylpentanenitrile) hydrochloride (Verapamil Impurity)?????????D(50MG)(5,5'-[[2-(3,4)DIMETHOXYPENYL)??]???]BIS[2-(3,4-DIMETHOXYPENYL)-2-(1-METHYLETHYL)PENTANENI-TRILE]???)190850-50-1C42H58ClN3O6
Dimethyl 4,4'-disulfanediyldibenzoate??(p-(???????)??)?????35190-68-2C16H14O4S2
(6R,7R)-7-(2-(1H-Tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, sodium salt (Cefazolin Impurity)27164-45-0C13H15N6NaO6S
(Z)-2-Phenyl-1-(4-(trifluoromethyl)phenyl)ethanone O-(2-aminoethyl) oxime (Fluvoxamine Impurity)2-??-1-[4-(????????)??]??2-(?????)??(????????)1217241-15-0C17H17F3N2O
(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-hydroxy-2-(((hydroxy((hydroxy(phosphonooxy)phosphoryl)oxy)phosphoryl)oxy)methyl)tetrahydrofuran-3-yl 4-benzoylbenzoate3'-O-(4-???)???????5'-???????81790-82-1C24H24N5O15P3
d-Tryptophan hydrochlorideD-???????????????36760-44-8C11H13ClN2O2
(3aR,4R,5R,7S,8S,9R,9aS,12R)-8-Hydroxy-4,7,9,12-tetramethyl-3-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-(tosyloxy)acetate (Tiamulin Impurity)31716-01-5C29H40O7S
(E)-N,6,6-Trimethyl-N-((4-methylnaphthalen-1-yl)methyl)hept-2-en-4-yn-1-amine (Terbinafine Impurity)151222-50-3C22H27N
Sodium(3R,5R)-3,5-dihydroxy-7-((1S,2S,6S,8S,8aR)-6-hydroxy-2-methyl-8-(((S)-2-methylpentanoyl)oxy)-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)heptanoate (Pravastatin Impurity)159225-12-4C24H37NaO7
Tetraethyl ethene-1,1-diylbis(phosphonate)???????????????37465-31-9C10H22O6P2
(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-(((2R,4R,5S,6S)-4,5-Dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-Pyran-2-yl)oxy)-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione (Erythromycin Impurity )3'-???-12-??????????33442-56-7C36H65NO12
1,3-Bis(2-ethylhexyl)-5,7-bis(5-(trimethylstannyl)thiophen-2-yl)-4H,8H-benzo[1,2-c:4,5-c']dithiophene-4,8-dione2111948-40-2C40H56O2S4Sn2
(6R,8S,9S,10R,11S,13S,14S,17R)-6,11,17-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(6R,8S,9S,10R,11S,13S,14S,17R)-6,11,17-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)6b-?????????16355-29-6C21H28O6
(3aR,3a1R,4R,5S,5aR,10bS)-Methyl 4-acetoxy-3a-ethyl-9-((3R,5S,7R,9S)-5-ethyl-5-hydroxy-9-(methoxycarbonyl)-2,4,5,6,7,8,9,10-octahydro-1H-3,7-methano[1]azacycloundecino[5,4-b]indol-9-yl)-5-hydroxy-8-methoxy-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate (Vincristine Impurity)N-?????????18172-50-4C45H56N4O9
2-((8S,9R,10S,11S,13S,14S,16R,17S)-9-Fluoro-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate (Triamcinolone Impurity)3859-65-2C23H29FO7
(1R,2R)-2-(2-Carboxyethyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium (Cisatracurium Besilate Impurity)1075727-04-6C24H32NO6+
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