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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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n-(2-Chloroethyl)-n-ethylanilineN-?????-N-?????92-49-9C10H14ClN
tert-Butyl 4-(2-(methylamino)ethyl)piperidine-1-carboxylatetert-??4-(2-(?????)??)????-1-???????896103-62-1C13H26N2O2
4-(6-Chloropyridazin-3-yl)benzaldehyde4-(6-???????-3-?)??????914349-19-2C11H7ClN2O
(6α)-17,21-Dihydroxy-6-methylpregna-1,4,9(11)-triene-3,20-dione93269-35-3C22H28O4
Dibutyl (2-(trifluoromethyl)cyclopropyl)boronate???(2-(????????)??????)?????909698-11-9C12H22BF3O2
Methyl 2-(chloromethyl)acrylate??2-(?????)??????922-15-6C5H7ClO2
5-Amino-2,3-dihydropyridazin-3-one89033-30-7C4H5N3O
N-Methyloxolan-3-amine hydrochloride??-(??????-??-3-?)-??HCL917882-94-1C5H12ClNO
2-(2-Azabicyclo[2.2.1]heptan-2-yl)acetic acid2-??????[2.2.1]??-2-????933690-44-9C8H13NO2
5-Bromo-2-(thiophen-2-yl)pyridine5-???-2-(??-2-?)???91891-74-6C9H6BrNS
1-tert-Butyl 3-methyl 3-methylazetidine-1,3-dicarboxylate??1-Boc-3-??????-3-???????898228-37-0C11H19NO4
Methyl 5-chloro-3-(N-(2-methoxy-2-oxoethyl)sulfamoyl)thiophene-2-carboxylate??5-???-N-(?????????)-3-????-???-2-???????906522-87-0C9H10ClNO6S2
1-Chloro-5-fluoro-4-nitro-2-(trichloromethyl)benzene1-???-5-????-4-???-2-(???????)??908009-54-1C7H2Cl4FNO2
Docetaxel Impurity 6110-???????III92999-93-4C29H36O10
3-Bromo-2-phenylimidazo[1,2-a]pyrimidine3-BROMO-2-PHENYL-IMIDAZO[1,2-A]????904814-72-8C12H8BrN3
(S)-1-Boc-2-Propylpiperazine(S)-2-PROPYL-PIPERAZINE-1-CARBOXYLICACIDTERT-BUTYL????888972-67-6C12H24N2O2
10,12-Pentacosadiyn-1-ol10,12-?????-1-OL92266-90-5C25H44O
2-(3-Aminophenyl)-2-methylpropanenitrile2-(3-?????)-2-????????915394-29-5C10H12N2
Benzyl (2S)-2-methylpiperazine-1-carboxylate(S)-1-N-CBZ-2-??-????923565-98-4C13H18N2O2
(Z)-2-Methyl-4-(4-methylbenzylidene)oxazol-5(4H)-one93634-54-9C12H11NO2
Methyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate923942-34-1C17H18N2O3S
9b,11b-Epoxy-17,21-dihydroxy-16b-methylpregna-1,4-diene-3,20-dione 21-Acetate912-38-9C24H30O6
Benzyl azetidin-3-ylcarbamate3-(Cbz-???)-????914348-04-2C11H14N2O2
5-Chloro-2-methoxy-4-methylbenzenesulfonyl chloride5-???-2-???-4-??????????889939-48-4C8H8Cl2O3S
Octane, 1-(Ethenyloxy)-1-(????)??929-62-4C10H20O
N,N-Dimethylazetidin-3-amine hydrochloride1-????-3-?-????????935670-07-8C5H13ClN2
5-Chloropyrimidine-2-carbaldehyde5-???????-2-??????944900-20-3C5H3ClN2O
1,3,5-Triphenyl-1,3,5-triazinane?????-1,3,5-????-1,3,5-????91-78-1C21H21N3
6-(Benzyloxy)-8-(2-bromoacetyl)-2h-benzo[b][1,4]oxazin-3(4h)-one926319-53-1C17H14BrNO4
(E)-4-methyl-2-(pent-1-en-1-yl)-1,3-dioxolane(E)-4-??-2-(??-1-??)-1,3-????94089-21-1C9H16O2
5-Amino-1-methylpiperidin-2-one5-???-1-??????…90485-53-3C6H12N2O
(R)-3-(4-(5-bromo-2-chlorobenzyl)phenoxy)tetrahydrofuran (Empagliflozin Impurity）(R)-3-(4-(5-???-2-?????)???)????????915095-90-8C17H16BrClO2
4-(4-(Trifluoromethyl)phenoxy)benzaldehyde4-(4-????????-???)-?????90035-20-4C14H9F3O2
1H-Pyrrolo[2,3-b]pyridin-4-ylmethanol4-???????-7-????936549-95-0C8H8N2O
N-(2-methyl-3-nitrophenethyl)-N-propylpropan-1-amine hydrochloride2-(2-??-3-???-??)-??]-??????HCL920986-68-1C15H25ClN2O2
Gum guaiac?????9000-29-7NULL
3-((1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yl)oxy)benzonitrile906673-42-5C14H10BNO3
Propargyl-PEG3-azide????-PEG3-??932741-18-9C9H15N3O3
2-Cyclohexylcyclohexanone???????????90-42-6C12H20O
(R)-3-amino-4-(2,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one (Sitagliptin Impurity）945261-48-3C16H16F5N5O
4-Amino-1-Boc-3-methylpiperidinetert-??4-???-3-??-1-???????????900642-17-3C11H22N2O2
DTC26-2Sn920504-00-3C31H54S2Sn2
[RuCl(p-cymene)((S)-xylbinap)]Cl???{(S)-(-)-2,2'-??[?(3,5-???)????]-1,1'-????}(p-??)???(II)???[RuCl(p-??)((S)-????)]Cl944451-25-6C62H60Cl2P2Ru
6-Bromopyrazolo[1,5-a]pyrimidine-3-carboxylic acid6-???-????[1,5-a]py…912773-22-9C7H4BrN3O2
1-tert-Butyl 3-ethyl 3-methyl-4-oxopyrrolidine-1,3-dicarboxylate3-??-4-??-1,3-??????????1-(tert-??)3-??????897043-85-5C13H21NO5
2-Amino-6-chloropyrido[3,2-d]pyrimidin-4(1H)-one897359-74-9C7H5ClN4O
Ethyl 2-(2-(methylamino)pyrimidin-4-yl)-1H-indole-5-carboxylate916486-06-1C16H16N4O2
2-Acetylanthracene2-???????10210-32-9C16H12O
4-(4-Bromopyridin-2-yl)morpholine4-(4-??????-2-?)????1040377-12-5C9H11BrN2O
Ethyl 3-amino-1-Boc-azetidine-3-carboxylate??3-???-1-Boc-????-3-???????1011479-72-3C11H20N2O4
2,3-Dichloro-6-fluorobenzaldehyde2,3-????-6-?????????95399-95-4C7H3Cl2FO
3,5-Diethyl 4-[2-[(1Z)-3-(1,1-dimethylethoxy)-3-oxo-1-propen-1-yl]phenyl]-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylate??????103890-79-5C26H33NO6
Sodium 2-oxo-3-sulfanylpropanoate???????????10255-67-1C3H5NaO3S
4-(2-Phenylethenyl)pyridine4-??????103-31-1C13H11N
2-Bromo-4-fluorobenzamide2-???-4-?????????1006-40-2C7H5BrFNO
2'-O-De(3-amino-2,3,6-trideoxy-3-C-methyl-α-L-lyxo-hexopyranosyl)Vancomycin (Vancomycin Impurity)????????????101485-50-1C59H62Cl2N8O22
Dichloro[rel-(7aR,7'aR)-1,2-ethanediylbis[(1,2,3,3a,7a-η)-4,5,6,7-tetrahydro-1H-inden-1-ylidene]]zirconiumrac-?????(4,5,6,7-???????-1-???)]??????????100163-29-9C20H24Cl2Zr10*
(1S,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-N-methyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxamide (Tadalafil Impurity)???????C951661-84-0C22H20ClN3O4
2-(2-(Diphenylphosphino)ethyl)pyridine2-(2-(Diphenylphosphino) ??) pyridine10150-27-3C19H18NP
N2-[(1,1-Dimethylethoxy)carbonyl]-N-9H-xanthen-9-yl-D-glutamine99092-88-3C23H26N2O6
Ammonium phosphate??, ??? ?10124-31-9H6NO4P
4-Chloro-6-(4-methylpyrazol-1-yl)pyrimidine1015845-71-2C8H7ClN4
5-Pyrrol-1-yl-1,3-dihydrobenzimidazol-2-one1018229-53-2C11H9N3O
tert-Butyl N-(azetidin-2-ylmethyl)carbamate(AZETIDIN-2-YLMETHYL)-????TERT-??????99724-21-7C9H18N2O2
Ethyl 4-hydroxybutanoate??4-???????????999-10-0C6H12O3
(4-(Trifluoromethyl)pyridin-2-yl)methanamine hydrochloride1005515-26-3C7H8ClF3N2
(2S,3S)-3-amino-2-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan- 2-yl)oxy)imino)acetamido)butanoicacid compound with 2,2,2- trifluoroacetic acid102586-36-7C13H19N5O6S
(S)-2-(3,4-difluorophenyl)oxirane(S)-2-(3,4-???????)???1006376-63-1C8H6F2O
6-Chloro-2-(pyridin-2-yl)pyrimidin-4-amine4-??????,6-???-2-(2-????)-1014720-73-0C9H7ClN4
5,6,7,7A-tetrahydrothieno[3,2-c]pyridin-2(4h)-one 4-methylbenzenesulfonate952340-39-5C14H17NO4S2
(6R,7R)-7-((E)-2-(2-Aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefixime Impurity)97164-56-2C16H15N5O7S2
Ethyl (E)-4-(diethoxyphosphoryl)but-2-enoate10236-14-3C10H19O5P
2-Isopropyl-4,5-dihydrooxazole2-?????-2-????10431-99-9C6H11NO
3-Phenylisoxazole3-??????1006-65-1C9H7NO
N-(4-Cyano-3-(trifluoromethyl)phenyl)-3-((4-fluorophenyl)sulfinyl)-2-hydroxy-2-methylpropanamide????????????945419-64-7C18H14F4N2O3S
4-Amino-5-nitro-2-pyridinol4-???-5-???-2-????99479-77-3C5H5N3O3
1-Benzyl-N-methylpyrrolidin-3-amine1-??-3-(?????)????96568-35-3C12H18N2
2-(Bromomethyl)-1-methyl-4-nitrobenzene2-?????-1-??-4-???-??98799-27-0C8H8BrNO2
3-Bromo-7-(bromomethyl)-1,7-dimethylbicyclo[2.2.1]Heptan-2-one(+)-3,9-???????10293-10-4C10H14Br2O
Cetirizine Impurity B (dihydrochloride)1000690-91-4C19H22Cl2N2O2
2-(Difluoromethoxy)-6-fluoropyridine2-????-6-(????????)???947534-62-5C6H4F3NO
tert-Butyl 1-(4-cyanophenyl)cyclobutylcarbamatetert-??1-(4-?????)???????????1032349-97-5C16H20N2O2
(3-Amino-1H-pyrazol-4-yl)thiophen-2-ylmethanone(3-??????-4-YL)(2-???)???96219-87-3C8H7N3OS
2-[(Azidoacetyl)amino]-2-deoxy-D-glucopyranose 1,3,4,6-tetraacetate2-[(??????)???]-2-???-D-???????1,3,4,6-????????98924-81-3C16H22N4O10
N1-(2-aminoethyl)-N2-(3-(dimethoxy(methyl)silyl)propyl)ethane-1,2-diamineγ-????????????????99740-64-4C10H27N3O2Si
Methyl tritylglycinate10065-71-1C22H21NO2
(3-Bromo-2-chloro-5-(trifluoromethyl)phenyl)boronic acid957120-85-3C7H4BBrClF3O2
5'-O-DMT-ibu-dC5'-O-(4,4'-???????)-N4-?????-2'-??????100898-62-2C34H37N3O7
2,3-Dihydrothieno[3,4-b][1,4]dioxine-2-carboxylic acid2,3-???????[3,4-b][1,4]???-2-?????955373-67-8C7H6O4S
Torasemide Impurity 22??????????1947327-54-0C13H13N3O2S
6-Amino-2,4-dichloro-3-ethylphenol hydrochloride2,4-????-3-??-6-????????101819-99-2C8H10Cl3NO
2-Benzylideneheptan-1-ol????????101-85-9C14H20O
4,7-Dibromo-2-octyl-2H-benzo[d][1,2,3]triazole960509-83-5C14H19Br2N3
1-(4-Methoxyphenyl)pent-1-en-3-one1-(4-?????)-1-??-3-?104-27-8C12H14O2
5-(Piperidin-4-yl)-1,3,4-oxadiazol-2(3H)-one hydrochloride1046079-35-9C7H12ClN3O2
(4R)-4-(2-chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2-dioxaphosphinane 2-oxide98674-87-4C11H14ClO4P
2-(4'-(Diphenylamino)-[1,1'-biphenyl]-4-yl)acetonitrile1000504-19-7C26H20N2
(S)-4-ethyl-4-hydroxy-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-9-yl [1,4'-bipiperidine]-1'-carboxylate (Irinotecan Impurity）11-????????103816-16-6C31H34N4O6
2,4-Dichloro-7-iodoquinazoline959237-34-4C8H3Cl2IN2
1,3-Dimethoxy-1,1,3,3-tetraphenyldisiloxane1,1,3,3,????????????94593-08-5C26H26O3Si2
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