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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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N1,N1-Bis(4-(diethylamino)phenyl)-N4,N4-diethylbenzene-1,4-diamine???(4-(??????)??)??9947743-70-4C30H42N4
tert-Butyl (3R,4R)-3-(benzylamino)-4-hydroxypyrrolidine-1-carboxylate(3R,4R)-N-Boc-3-(?????)-4-????????429673-83-6C16H24N2O3
2-((Tert-butoxycarbonyl)amino)-2-(piperidin-4-yl)acetic acidTERT-??????????-????-4-YL-????494210-73-0C12H22N2O4
Ethyl 3,6-dichloroimidazo[1,2-a]pyridine-2-carboxylate??3,6-????????[1,2-A]???-2-???????478040-91-4C10H8Cl2N2O2
N-(5-chloropyridin-2-yl)acetamide2-??????-5-??????45965-30-8C7H7ClN2O
Pyrrolidine-3-carboxamide????-3-??????471254-10-1C5H10N2O
1,1-Dimethylethyl 2-[4-[(5,6-diphenyl-2-pyrazinyl)(1-methylethyl)amino]butoxy]acetate475084-96-9C29H37N3O3
Ethyl (S)-2-amino-2-(4-hydroxyphenyl)acetate43189-39-5C10H13NO3
N-(Naphthalen-2-Yl)formamideN-(2-???)?????974423-74-9C11H9NO
21-Deschloro Clobetasol 17-Propionate4351-48-8C25H33FO5
Spiro[3.5]nonane-1,3-dione???[3.5]??-1,3-??455264-97-8C9H12O2
2-(4-Bromophenyl)-4,6-diphenylpyrimidine457613-56-8C22H15BrN2
6-Oxabicyclo[3.2.1]oct-3-en-7-one6-????????[3.2.1]OCT-3-EN-7-ONE4720-83-6C7H8O2
2-Phenoxybenzohydrazide2-??????????43038-37-5C13H12N2O2
(3AR,7aS)-octahydro-1H-indeneCIS-??????4551-51-3C9H16
(1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid hydrochloride (Tadalafil Impurity)474668-76-3C19H16N2O4
(3-Formyl-2-methoxy-5-methylphenyl)boronic acid2-???-2-???-5-?????480424-55-3C9H11BO4
Etioporphyrin I???????I448-71-5C32H38N4
(2'-Methyl-[1,1'-biphenyl]-4-yl)boronic acid(2'-??-[1,1'-???]-4-?)???491595-36-9C13H13BO2
(2-(1H-1,2,4-Triazol-1-yl)phenyl)methanamine2-(1H-1,2,4-????-1-?)??????449756-97-2C9H10N4
3,4,5,6-Tetrabromobenzene-1,2-diol?????????488-47-1C6H2Br4O2
N,N-Diphenyl-[1,1-biphenyl]-4-amine2-???-1-(3-???-??)-??????4432-94-4C24H19N
Sodium (R)-2,3-bis(palmitoyloxy)propyl (2-mercaptoethyl) phosphate1,2-?????-Sn-???-3-????????(SodiuM?)474923-39-2C37H72NaO8PS
(8R,9S,10R,13S,14S,17R)-17-Ethynyl-13-methyl-3,6-dioxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate6-OxoNorethindrone?????438244-27-0C22H26O4
Nicorandil Ep Impurity C46053-56-9C8H10N2O2
(2R,3S)-3-Hydroxypyrrolidine-2-carboxylic acid hydrochloride(2r,3s)-3-????????-2-????????468061-05-4C5H10ClNO3
3-((4-Aminopyrimidin-5-yl)methyl)-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride hydrochloride (Thiamine Impurity)49614-72-4C11H16Cl2N4OS
(S)-Benzyl (1-amino-4-methyl-1-oxopentan-2-yl)carbamate4801-79-0C14H20N2O3
Triphenylmethylium hexafluorophosphate(v)437-17-2C19H15F6P
1-(Pyridin-2-yl)cyclobutane-1-carbonitrile1-(2-????)-????????????485828-46-4C10H10N2
Ethyl (2Z)-3-Amino-4,4,4-Trichloro-2-Cyanobut-2-Enoate(Z)-??3-???-4,4,4-?????-2-?????-2-?????49765-05-1C7H7Cl3N2O2
(1-Benzylazetidin-2-yl)methanamine(1-??????-2-YL)???46193-94-6C11H16N2
Sildenafil Impurity 34??????????????479073-88-6C24H34N6O3S2
3-Amino-3-(3-fluorophenyl)propanoic acid hydrochloride499794-73-9C9H11ClFNO2
tert-Butyl N-[(2-aminopyridin-4-yl)methyl]carbamate(2-???-???-4-???)-?????tert-??????474809-21-7C11H17N3O2
N-(4-Nitrophenyl)-3-oxobutanamide4'-?????????????4835-39-6C10H10N2O4
(S)-1-((2R,3R,4R,5S,6R)-3,4-Dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)-4-isobutylpyrrolidin-2-one (Pregabalin Impurity）466678-44-4C20H35NO11
Triphenylbismuthcarbonate47252-14-2C19H15BiO3
4,5-Dimethyl-1H-pyrrole-2-carboxylic acid4,5-???-1H-??-2-?????4868-31-9C7H9NO2
Methyl thieno[3,2-b]pyridine-2-carboxylate???[3,2-b]???-2-???????????478149-02-9C9H7NO2S
N3-C4-NHS ester478801-48-8C9H12N4O4
1-(4-nitrophenyl)-2,5-dihydro-1H-pyrrole-2,5-dioneN-(4-?????)?????4338-06-1C10H6N2O4
L-Leucine 4-methoxy-β-naphthylamide (hydrochloride)H-LEU-4M-???HCL4467-68-9C17H23ClN2O2
2-Chlorobenzimidamide45743-05-3C7H7ClN2
6-(Bromomethyl)benzothiazole6-(?????)-1,3-?????499770-85-3C8H6BrNS
4-Fluoro-3-propylbenzoic acid4-????-3-??????445018-80-4C10H11FO2
(3R,4S)-rel-tert-Butyl 3,4-diaminopiperidine-1-carboxylate480450-36-0C10H21N3O2
3-Bromo-4'-fluorobenzophenone3-???-4'-????????9746698-24-2C13H8BrFO
N-(1-(Naphthalen-1-yl)ethyl)formamideN-(1-(????-1-?)??)forMaMide49681-33-6C13H13NO
Methyl (R)-2-amino-2-(4-fluorophenyl)acetate hydrochloride439213-22-6C9H10FNO2.HCl
Heptylphosphonic acid??????4721-16-8C7H17O3P
Triphenylsulfonium tetrafluoroborate??????????????????437-13-8C18H15BF4S
3-Fluoropropanoic acid3-????????461-56-3C3H5FO2
Ethyl 1,2,3,4-tetrahydroquinoline-2-carboxylate1,2,3,4-TETRAHYDRO-QUINOLINE-2-CARBOXYLICACID??????4620-34-2C12H15NO2
1,3-Bis-(3,4-dichlorophenyl)ureaN,N'-BIS-(3,4-??????)???4300-43-0C13H8Cl4N2O
5-(Chloromethyl)-1,3-thiazole5-????????45438-77-5C4H4ClNS
4-Bromo-2-vinylpyridine4-BroMo-2-?????502509-20-8C7H6BrN
5-Hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one2H-??????[b]??-2-?,??????-5-?????-4-(???????)-521323-11-5C8H12O4
Ribavirin Impurity M50730-26-2C13H18O9
2-(4-Ethylphenyl)acetonitrile4-??????????51632-28-1C10H11N
2-Methoxy-1H-phenalen-1-one51652-39-2C14H10O2
(S)-2-Isopropylpyrrolidine hydrochloride51207-71-7C7H16ClN
(8S,9R,10S,11S,13S,14S,16S,17R)-9-Bromo-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 (Propofol Impurity)52092-14-5C28H37BrO7
(1S,2S)-2-Amino-1-(4-aminophenyl)propane-1,3-diolD-???50961-68-7C9H14N2O2
2,4-Difluoro-N-(2-nitrophenyl)aniline2,4-?????-2”-????????500302-20-5C12H8F2N2O2
2,3,5,6-Tetrafluoro-4-mercapto-benzoic acid2,3,5,6-???????-4-???-???5211-44-9C7H2F4O2S
Methyl 2,6-dichloro-5-nitropyrimidine-4-carboxylate??2,6-????-5-???????-4-???????52047-13-9C6H3Cl2N3O4
Revefenacin Impurity 91,1'-???-2-?????50443-60-2C13H11NO2
2-Amino-1-pyridin-3-yl-ethanone dihydrochloride3-(2'-??????)?????????????51746-82-8C7H10Cl2N2O
Methyl 7-chloro-1H-indole-4-carboxylate??7-?????-4-???????503816-69-1C10H8ClNO2
2-Bromo-4-isopropylacetophenone2-???-4-??????????51012-62-5C11H13BrO
(E)-3-(5-Nitrothiophen-2-yl)acrylic acid3-(5-???-2-???)????50868-70-7C7H5NO4S
(1R)-2-[[6-[2-[(2,6-Dichlorobenzyl)oxy]ethoxy]hexyl]amino]-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)ethanol503068-37-9C27H37Cl2NO5
Phloroacetophenone 4-O-β-D-glucopyranoside5027-30-5C14H18O9
Benzofuran-2-carboxamide2-??????????(7CI,9CI)50342-50-2C9H7NO2
2-Chloro-1,4-diethoxybenzene1-???-2,5-??????52196-74-4C10H13ClO2
(8-syn)-3-(Phenylmethyl)-3-azabicyclo[3.2.1]octan-8-ol521944-15-0C14H19NO
Amikacin Ep Impurity E50866-72-3C22H43N5O13
2-(4-Chlorophenyl)-2-(pyridin-2-yl)acetonitrile??-(4-?????)???-2-??????5005-37-8C13H9ClN2
(1S,3s,5s)-cyclohexane-1,3,5-triolCIS,CIS-1,3,5-?????????????50409-12-6C6H12O3
6-Fluoro-2-naphthoic acid methyl ester6-????-2-??????????5043-00-5C12H9FO2
N-[(R)-2'-Amino-[1,1'-binaphthalen]-2-yl]-4-methylbenzenesulfonamide512170-32-0C27H22N2O2S
Lasmiditan Impurity 13517875-04-6C12H16N2O
1-((4-Chlorophenyl)sulfonyl)propan-2-one4-???????????5000-48-6C9H9ClO3S
2,5-Dimethyl-1-(4-nitrophenyl)-1H-pyrrole2,5-???-1-(4-?????)-1H-??5044-22-4C12H12N2O2
(S)-4-(2-amino-3-hydroxypropyl)phenol5034-68-4C9H13NO2
3-Chloro-6-(1H-pyrrol-1-yl)pyridazine5096-76-4C8H6ClN3
Metronidazole Impurity 395006-79-1C6H7N3O2
(+)-Menthyl acetate5157-89-1C12H22O2
FAM azide,5-isomer510758-23-3C24H18N4O6
Methyl 2-amino-5-hydroxy-4-methoxybenzoate??2-???-5-?????-4-????????50413-44-0C9H11NO4
Methyl prolinate????-2-???????????52183-82-1C6H11NO2
2-Oxo-2-(phenylamino)acetic acid????500-72-1C8H7NO3
3-Phenyl-2-hydroxypropylamine1-???-3-??-???-2-OL50411-26-2C9H13NO
Pyrrolidinium, 3-hydroxy-1,1-dimethyl-, bromide (1:1)51052-74-5C6H14BrNO
(3-Fluorobenzyl)hydrazine51421-16-0C7H9FN2
2-Amino-4,5-dimethylthiophene-3-carboxamide2-???-4,5-??????-3-???????51486-04-5C7H10N2OS
(E)-4-((3,5-dibromopyridin-2-yl)diazenyl)benzene-1,3-diamine4-(3,5-DIBROMO-2-PYRIDYLAZO)-1,3-??????50768-79-1C11H9Br2N5
5-[3-(Trifluoromethyl)phenyl]-2-furaldehyde5-[3-(????????)??]????52130-30-0C12H7F3O2
(S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-hydroxyphenyl)propanoic acidFMOC-(S)-3-???-3-(2-?????-??)-?????501015-31-2C24H21NO5
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