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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39988
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Methyl 4-(3-methoxy-3-oxopropanoyl)benzoate??4-????????????????22027-52-7C12H12O5
1,1',1''-((2,4,6-Trimethylbenzene-1,3,5-triyl)tris(methylene))tris(1H-imidazole)220593-43-1C21H24N6
Prucalopride Succinate Impurity A2181480-01-1C20H28ClN3O4
((((E)-2-((2R,3R,4R,5R)-3-(((2-Cyanoethoxy)(diisopropylamino)phosphino)oxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-methoxytetrahydrofuran-2-yl)vinyl)phosphoryl)bis(oxy))bis(methylene) bis(2,2-dimethylpropanoate)2172373-55-4C32H52N4O13P2
1-(Chloromethyl)-2,3,4,5-tetrafluorobenzene1-?????-2,3,4,5-???????-??21622-18-4C7H3ClF4
(2-Methoxy-2-oxoethyl)triphenylphosphonium chloride2181-97-7C21H20ClO2P
Ethyl 2-(pyrrolidin-1-yl)acetate????????????22041-19-6C8H15NO2
3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde21487-48-9C11H10N2O
Gemcitabine 5-Benzoate2174019-90-8C16H15F2N3O5
Methyl 4-(3-chloropropoxy)-5-methoxy-2-nitrobenzoate??4-(3-???????)-5-???-2-????????214470-57-2C12H14ClNO6
1-(6-((6-Acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine 1-oxide (Palbociclib Impurity)2174002-29-8C24H29N7O3
2-(Chloromethyl)-3,5-dimethylpyridin-4(1h)-one hydrochloride220770-99-0C8H11Cl2NO
2-((2-Bromo-2-methylpropanoyl)oxy)ethyl methacrylate2-(2-??????????)?????????213453-08-8C10H15BrO4
cis-1-Boc-4-aminomethyl-3-hydroxypiperidine219985-15-6C11H22N2O3
Fmoc-L-Ile-Aib-OH2171139-20-9C25H30N2O5
4,4,5,5-Tetramethyl-2-(3,4,5-trimethoxyphenyl)-1,3,2-dioxaborolane4,4,5,5-?????-2-(3,4,5-???????)-1,3,2-??????214360-67-5C15H23BO5
5,5'-(Piperazine-1,4-diyl)bis(pyridin-2-amine)2144748-14-9C14H18N6
4,4''-Dichloro-1,1':2',1''-terphenyl4,4"-????-1,1':2',1"-????21711-56-8C18H12Cl2
Pitavastatin 5-Oxo Impurity Calcium Salt2180095-22-9C25H24CaFNO4
Pyridin-3-ylmethanamine hydrobromide2144755-94-0C6H9BrN2
6-Iodoquinolin-4(1H)-one21873-51-8C9H6INO
2-Hydroxyacetic acid compound with butane-1,4-diol and dodecan-1-ol and tridecan-1-ol (1:1:1:2)220622-96-8C43H94O8
2,5-Diisobutoxyterephthalohydrazide2141975-31-5C16H26N4O4
1-(9H-Fluoren-9-ylmethoxycarbonyl)-4-phenylpiperidine-4-carboxylic acidFMOC-4-??-????-4-?????215190-19-5C27H25NO4
1-(2-Hydroxy-[1,1'-biphenyl]-3-yl)ethan-1-one1-(2-???????-3-?)???21424-82-8C14H12O2
2-Chloromethyl-2,3-dihydrobenzo[1,4]dioxine2-(?????)-2,3-?????-1,4-?????2164-33-2C9H9ClO2
4,4'-(2,2-Bis(4-methoxyphenyl)ethene-1,1-diyl)dibenzaldehyde2165348-28-5C30H24O4
1-(2-Chlorophenyl)-2-(pyridin-4-yl)ethanone1-(2-???-??)-2-???-4-?-???216076-11-8C13H10ClNO
4',5'-Bis(4-carboxyphenyl)-3',6'-dimethyl-[1,1':2',1''-terphenyl]-4,4''-dicarboxylic acid2161327-52-0C36H26O8
4'-Bromo-[1,1'-biphenyl]-2-ol21849-89-8C12H9BrO
Tert-butyl (2-(bromomethyl)benzyl)carbamatetert-??2-(broMoMethyl)benzylcarbaMate220364-33-0C13H18BrNO2
Methyl 4-bromomethyl-3-cyanobenzoate219519-17-2C10H8BrNO2
Sodium (2s,3s,4s,5r,6s)-6-((6-chloro-1h-indol-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2h-pyran-2-carboxylate216971-56-1C14H13ClNO7.Na
Dimethyl 9H-carbazole-3,6-dicarboxylate22404-78-0C16H13NO4
4,4',4",4'"-(Pyrazino[2,3-g]quinoxaline-2,3,7,8-tetrayl)tetrabenzoic acid2216715-50-1C38H22N4O8
3-Hexylthiophene-2-carbaldehyde2-???????????,3-??-222554-28-1C11H16OS
(2s)-1-(9h-Fluoren-9-ylmethoxycarbonyl)-3,3-dimethyl-azetidine-2-carboxylicacid2231665-66-8C21H21NO4
2-Bromo-9,9-dimethyl-5-phenyl-9H-fluorene2222970-00-3C21H17Br
Betamethasone Impurity 1182282-51-1C22H27FO5
Lanthanum(III) bromide hydrate??????????????224183-16-8Br3H2LaO
1-Chloroisoquinoline-7-carbaldehyde1-????????-7-???????223671-53-2C10H6ClNO
5'-(4-Formyl-3-hydroxyphenyl)-3,3''-dihydroxy-[1,1':3',1''-terphenyl]-4,4''-dicarbaldehyde2244985-34-8C27H18O6
(E)-4-(2-Nitrovinyl)phenol???-4-?????-??-??????9722568-49-6C8H7NO3
2-(Naphthalen-2-ylmethyl)-4,5-dihydro-1H-imidazole (Naphazoline Impurity)???????D22126-67-6C14H14N2
6-Acetyl-8-cyclopentyl-2-((5-(4-hydroxypiperazin-1-yl)pyridin-2-yl)amino)-5-methylpyrido[2,3-d]pyrimidin-7(8H)-one (Palbociclib Impurity)2231085-26-8C24H29N7O3
(2S,2'S)-1,1'-(1-Oxoethane-1,2-diyl)bis(pyrrolidine-2-carbonitrile) (Vildagliptin Impurity）2253194-13-5C12H16N4O
N-(4-Methyl-3-nitrophenyl)-3-(trifluoromethyl)benzamide????,N-(4-??-3-?????)-3-(????????)-221876-21-7C15H11F3N2O3
(RP,R′P)-1,1′-Bis[(S)-α-(dimethylamino)benzyl]-2,2′-bis(diphenylphosphino)ferrocene223725-09-5C52H48FeN2P2
(8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-17-(2-chloroacetyl)-11-hydroxy-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 furan-2-carboxylate (Mometasone Furoate Impurity)2231764-75-1C27H30Cl2O6
4-(Piperidin-4-yloxy)benzonitrile4-(????-4-???)?????224178-67-0C12H14N2O
1,2-Bis((3,6-dibromo-9H-carbazol-9-yl)methyl)benzene222166-46-3C32H20Br4N2
Ethyl (S)-(1-phenylethyl)glycinate??(S)-2-(1-???????)?????22263-68-9C12H17NO2
4,6-Dimethyl-1H-indene4,6-???-1H-??22430-64-4C11H12
3-(tert-Butyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine227623-26-9C14H19N3O
4-Bromo-3-phenyl-5-(trifluoromethyl)-1H-pyrazole4-BROMO-5-??-3-(????????)???230295-07-5C10H6BrF3N2
s-TFB??(9,9-???????-co-N-(4-????)?????)220797-16-0C51H63N
1-(2-Bromoethoxy)-4-methoxybenzene22921-76-2C9H11BrO2
3-Methyl-1H-pyrrolo[3,2-c]pyridine3-??-1H-???[3,2-C]???22930-75-2C8H8N2
1-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)ethan-1-one22776-09-6C11H12O3
1-Chloro-4-hydroxyisoquinoline-3-carboxylic acid1-???-4-?????????-3-?????223388-21-4C10H6ClNO3
3-(4-Methoxyphenyl)propanenitrile3-(4-?????)???????22442-48-4C10H11NO
Crisaborole Impurity 662227126-13-6C22H24BNO5
Brivaracetam Impurity R2242647-55-6C11H21BrN2O2
(S)-Benzyl (2,6-dioxopiperidin-3-yl)carbamateS-3-N-Cbz-???-2,6-???-????22785-43-9C13H14N2O4
2-[(1S,2R)-1-Ethyl-2-(phenylmethoxy)propyl]-2,4-dihydro-4-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one2243786-00-5C30H35N5O3
2-[(1R,2R)-1-Ethyl-2-(phenylmethoxy)propyl]-2,4-dihydro-4-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one2243786-01-6C30H35N5O3
4-(5-(4-(Hydroperoxymethyl)phenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide (Celecoxib Impurity)2247197-65-3C17H14F3N3O4S
1-Benzyl-5-(1-(2,3-dimethylphenyl)vinyl)-1H-imidazole2250243-56-0C20H20N2
2-(3,4-Dimethoxyphenyl)-7-methoxy-4H-chromen-4-one22395-24-0C18H16O5
2,2-Dichloro-1-(2,4-dichlorophenyl)ethanone2,2,2′,4′-???????????2274-66-0C8H4Cl4O
1-Chloro-2-(2-ethoxybenzyl)-4-iodobenzene2305949-36-2C15H14ClIO
3',4',5',6'-Tetrakis(3,5-dicarboxyphenyl)-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid2219313-57-0C54H30O24
(R)-Benzyl (2-oxopyrrolidin-3-yl)carbamate(R)-??2-??????-3-???????223407-18-9C12H14N2O3
2-Bromo-1-methoxypropane???,2-???-1-???-22461-48-9C4H9BrO
1-Nitro-2-phenoxybenzene2216-12-8C12H9NO3
1-cyclopropyl-8-fluoro-6-methoxy-7-((4aR,7aR)-octahydro-6H- pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride2252446-69-6C21H25ClFN3O4
Carbazochrome Impurity 62271443-87-7C9H9NO4S
2-Vinyloxytetrahydropyran2-?????????????22408-41-9C7H12O2
Methyl 4-(3-formylphenyl)benzoate3'-??????-4-???????????221021-36-9C15H12O3
4-Methoxybenzamidine?????4-???????22265-37-8C8H10N2O
1-(4-Nitrophenyl)piperidine-4-carboxylic acid223786-53-6C12H14N2O4
7-Amino-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one22245-92-7C10H12N2O
(3R,5S,E)-7-(4-(4-fluorophenyl)-2-((E)-2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-N-methylvinylsulfonamido)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (Rosuvastatin Impurity）2226413-62-1C38H44F2N6O8S2
1,3-Dimethyl-2-phenyl-1,3,2-diazaphospholidine1,3-???-2-??-1,3,2-????????22429-12-5C10H15N2P
8-(Piperazin-1-yl)quinazoline221377-26-0C12H14N4
3′-Hydroxy[1,1′-biphenyl]-4-carboxylic acid4-(3-??????)???220950-35-6C13H10O3
Triphenylsulfonium 10-Camphorsulfonate7,7-???-2-??????[2.2.1]??-1-????? ??????? (1:1)227199-92-0C28H30O4S2
Acetoxyethyltriethoxysilane?????????????22538-45-0C10H22O5Si
Ethyl 2-(3-(trifluoromethyl)phenoxy)acetate(3-???????????)??????????22897-99-0C11H11F3O3
2-Amino-N-(3-chlorophenyl)benzamide2-???-N-(3-?????)????22312-61-4C13H11ClN2O
(S)-2-Amino-6-(propylamino)-5,6-dihydrobenzo[d]thiazol-7(4H)-one (Pramipexole Impurity）2204518-89-6C10H15N3OS
Ethyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate??3,4,5-??????-2-???????2199-46-4C10H15NO2
Mesalazine Impurity 20; Sulfasalazine Ep Impurity I????1021542-82-5C13H10N2O6S
3,5-Dibromo-2-hydroxybenzaldehyde oxime3,5-??????????21386-43-6C7H5Br2NO2
Ethyl (E)-3-(4-chlorophenyl)-2-cyanoacrylate2169-68-8C12H10ClNO2
3-(N-Boc-aminoethyl)-piperidine3-(2-BOC-?????)????215305-98-9C12H24N2O2
Cesium trifluoroacetate21907-50-6C2CsF3O2
5-Chloro-4-nitrobenzo[c][1,2,5]thiadiazole5-???-4-???-2,1,3-???????2274-89-7C6H2ClN3O2S
N-Methyl-N,O-bis(trimethylsilyl)hydroxylamine22737-33-3C7H21NOSi2
1-(2-Bromoethyl)-3,3-difluoropyrrolidine hydrobromide2287283-91-2C6H11Br2F2N
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