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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39996
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Ethyl 4-hydroxy-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate??4-????-7H-???[2,3-d]????-6-???????187724-99-8C9H9N3O3
N-PentadecanonitrileN-????????18300-91-9C15H29N
(4-Isobutyrylphenyl)boronic acid4-??????????186498-27-1C10H13BO3
(2-Bromo-1-fluoroethyl)benzene1-(2-???-1-??????)??1786-36-3C8H8BrF
(Z)-2-(2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)acetic acid (Cefdinir Impurity)?????????????178949-03-6C7H8N4O4S
4,4'-((2-Hydroxyphenyl)methylene)bis(2,3,6-trimethylphenol)(2-??????)??(4-????-2,3,5-??????)??184355-68-8C25H28O3
4,6-Difluoronicotinonitrile1804896-68-1C6H2F2N2
HS-PEG6-CH2CH2-Boc1818294-40-4C19H38O8S
4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamide182808-16-8C9H9ClN2O2
3-Ethylisobenzofuran-1(3h)-one17475-41-1C10H10O2
4,6-Diphenyl-2H-pyran-2-one4,6-???-2-???17372-52-0C17H12O2
rel-(6'R,8a'R)-6'-(Benzo[d][1,3]dioxol-5-yl)-2'-methyl-2',3',8',8a'-tetrahydro-1'H-spiro[indoline-3,7'-pyrrolo[1,2-a]pyrazine]-1',2,4'(6'H)-trione (Tadalafil Impurity)1795790-92-9C22H19N3O5
Methacrylamidotrimethylsilane?????????????18295-89-1C7H15NOSi
(R)-(+)-4-(Methoxymethyl)-1,3-dioxolan-2-one(R)-(+)-4-(?????)-1,3-DIOXOLAN-2-ONE185836-34-4C5H8O4
4-Nitrodiphenylmethane4-????????1817-77-2C13H11NO2
((1,3,8,10-tetraoxo-1,3,8,10-tetrahydroanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-2,9-diyl)bis(4,1-phenylene))diboronicacid1798300-46-5C36H20B2N2O8
1-Benzylazetidine-2-carboxylic acid1-??-????-2-????18085-40-0C11H13NO2
5-Phenyl-1-pentyne5-??-1-???1823-14-9C11H12
Phenylmethyl N-(acetyloxy)carbamateO-???-N-????????????180798-01-0C10H11NO4
Palonosetron Impurity 7177932-92-2C18H24N2O
(2S,2′S)-2,2′-[[(5S)-2,2′-diamino-4,4′,6-trioxo-1,4,4′,6,7,7′-hexahydro-1′H,5H-5,6′-bipyrrolo[2,3-d]pyrimidine-5,5′-diyl]bis(ethylenebenzene-4,1-diylcarbonylimino)]dipentanedioic acid (Pemetrexed Disodium Impurity）1802552-16-4C40H40N10O13
3-Bromo-6-fluoro-4H-chromen-4-one3-???-6-???????179111-05-8C9H4BrFO2
Vildagliptin Impurity 661803168-08-2C7H10Cl2N2O2
6-(2-Methoxyethoxy)-6-methyl-2,5,7,10-tetraoxa-6-silaundecaneMETHYLTRIS(2-METHOXYETHOXY)??17980-64-2C10H24O6Si
BDTTh12-2Sn1887135-97-8C48H74S6Sn2
3-(2-Chloropyrimidin-4-yl)-1-cyclopropyl-1H-indole1899922-76-9C15H12ClN3
Cytarabine Impurity 46; Azacitidine Impurity 2518265-49-1C9H13N3O5
1-Chloro-2-(methylsulfonyl)benzene17482-05-2C7H7ClO2S
(E)-3-(4-Aminophenyl)acrylic acid4-??????17570-30-8C9H9NO2
tert-Butyl 4-((hydroxyimino)methyl)piperidine-1-carboxylate1-?????????,4-[(HYDROXYIMINO)METHYL]-,1,1-DIMETHYLEETHYLESTER190446-85-6C11H20N2O3
(5-Phenylpyridin-3-yl)methanol(5-?????-3-?)???187392-96-7C12H11NO
Methyl 6-methyl-1H-indole-2-carboxylate6-????-2-???????????18377-65-6C11H11NO2
(5-Bromo-6-chloropyridin-2-yl)methanamine hydrochloride1799439-04-5C6H7BrCl2N2
(E)-2-Ethoxy-1-methoxy-4-(2-(methylsulfonyl)vinyl)benzene (Apremilast Impurity)1831833-38-5C12H16O4S
(R)-3-(4-(6-(2H-tetrazol-5-yl)pyridin-3-yl)-3-fluorophenyl)-5-(hydroxymethyl)oxazolidin-2-one (Tedizolid Impurity）1771765-84-4C16H13FN6O3
Methyl 3-(2-methyl-1,3-dioxolan-2-yl)propanoate1838133-00-8C23H21Cl2N3O5S2
((1R,2R)-2-(((3aR,4R,7S,7aS)-1,3-dioxooctahydro-2H-4,7-methanoisoindol-2-yl)methyl)cyclohexyl)methyl 4-(benzo[d]isothiazol-3-yl)piperazine-1-carboxylate1807983-62-5C29H36N4O4S
Methyl benzo[c][1,2,5]thiadiazole-5-carboxylate????-2,1,3-?????-5-???????175204-21-4C8H6N2O2S
rel-1-(1,1-Dimethylethyl) 2-methyl (2R,4S)-4-hydroxy-1,2-piperidinedicarboxylateCIS-4-HYDROXY-PIPERIDINE-1,2-DICARBOXYLICACID1-TERT-??????2-??????181269-87-4C12H21NO5
4-Phenylbutyltrichlorosilane17886-88-3C10H13Cl3Si
Methyl 3-(dichloromethylsilyl)propanoate18163-34-3C5H10Cl2O2Si
Diphenylbis(phenylethynyl)silane??,?????(?????)-18784-61-7C28H20Si
(1-Methyl-5-phenyl-1H-pyrazol-4-yl)boronic acid1858252-28-4C10H11BN2O2
9-(4-Bromobutyl)-N-(2,2,2-trifluoroethyl)-9H-fluorene-9-carboxamide182438-98-8C20H19BrF3NO
Sibutramine Impurity 36186521-85-7C15H19ClO
Lithium [1,2,4]triazolo[4,3-a]pyrazine-3-carboxylate1799434-66-4C6H5LiN4O2
3-(Chloromethyl)-5-(3-(trifluoromethyl)phenyl)-1,2,4-oxadiazole3-?????-5-[3-(????????)??]-1,2,4-?????175205-63-7C10H6ClF3N2O
hnps-PLA-IN-1185298-58-2C21H21N3O4
Azido-PEG1-PFP ester1807505-32-3C11H8F5N3O3
2-Iodo-3-formylthiophene2-???-3-?????????18812-40-3C5H3IOS
Cefdinir Impurity 28178422-42-9C14H15N5O6S2
Trimethyl cyclohexane-1,2,4-tricarboxylate????1,2,4-??????????????(?????????)185855-30-5C12H18O6
Tenofovir monomethyl ester1796539-83-7C10H16N5O4P
2,6-Dibromo-3-chloro-4-fluoroaniline175135-09-8C6H3Br2ClFN
Methyl 3-(dimethoxyphosphoryl)propanoateDIMETHYL[2-(METHOXYCARBONYL)ETHYL]??????18733-15-8C6H13O5P
(2-chloro-5-iodophenyl)(4-(((S)-tetrahydrofuran-3-yl)oxy)phenyl)methanol (Empagliflozin Impurity）1800196-46-6C17H16ClIO3
(1S,2S)-2-(benzyloxy)cyclopentan-1-amine(1S,2S)-(+)-2-????????????181657-57-8C12H17NO
2,4,6-Trichloro-5-isopropylpyrimidine1780-42-3C7H7Cl3N2
Acotiamide Impurity F???????????185103-80-4C22H32N4O5S
1,7-Dimethyl-1H-indazole17582-89-7C9H10N2
5,5'-(Ethane-1,2-diyl)diisophthalic acid1774401-34-1C18H14O8
Tripropargyl Phosphate1779-34-6C9H9O4P
trans-1,2-Diacetoxycyclohexane??-1,2-?????????????1759-71-3C10H16O4
1-Chloro-10H-phenothiazine1-????????1910-85-6C12H8ClNS
Acetamiprid-N-desmethyl190604-92-3C9H9ClN4
4-(2-Chloro-6-fluorophenyl)but-3-en-2-one2-???-6-???????????175136-82-0C10H8ClFO
Lafutidine sulfone???????B174583-84-7C22H29N3O5S
4-(Azetidin-3-yl)thiomorpholine 1,1-dioxide dihydrochloride178312-02-2C7H15ClN2O2S
Bicyclo[2.2.1]Heptan-2-yltrichlorosilane18245-29-9C7H11Cl3Si
(R)-MeO-Cl-BIPHEP185913-97-7C38H30Cl2O2P2
rel-4-Methyl-N-(((3aS,6aR)-3,3a,6,6a-tetrahydrocyclopenta[c]pyrrol-2(1H)-yl)carbamoyl)benzenesulfonamide (Gliclazide Impurity)1808087-53-7C15H19N3O3S
2-Methoxy-3-methylaniline2???-6-?????18102-30-2C8H11NO
2-Bromo-1-(piperidin-1-yl)ethan-1-one????,1-(??????)-(7CI,8CI,9CI)1796-25-4C7H12BrNO
5-Aminomethyl-pyridine-2-carbonitrile181130-14-3C7H7N3
3-(1-Methylpiperidin-4-yl)-1H-indole3-(1-??-4-?????)??17403-07-5C14H18N2
2-Chloromethyl-3-trimethylsilyl-1-propene18388-03-9C7H15ClSi
1-(4-(Diphenylamino)phenyl)ethan-1-one4-(??????)?????1756-32-7C20H17NO
2-Oxo-2-[4-(trifluoromethyl)phenyl]acetaldehyde1736-56-7C9H5F3O2
2-Iododibenzothiophene2-?????????177586-41-3C12H7IS
2-(6-([1,1′-Biphenyl]-4-yl)dibenzo[b,d]thiophen-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane1858289-63-0C30H27BO2S
12-ethyl-8-methyl-9-oxo-7-propionyl-9,11-dihydroindolizino[1,2-b]quinolin-2-yl [1,4'-bipiperidine]-1'-carboxylate (Irinotecan Impurity）176515-52-9C32H38N4O4
4,5,6,7-Tetraiodo-3H-benzo[c][1,2]oxathiol-3-one 1,1-dioxide??????-2-????????1745-83-1C7I4O4S
N-Methylpiperidine-4-carboxamideN-??????-4-??????1903-69-1C7H14N2O
7-((2-Hydrazinyl-2-oxoethyl)(methyl)amino)-N,N-dimethylbenzo[c][1,2,5]oxadiazole-4-sulfonamide179951-63-4C11H16N6O4S
Duloxetine N-Desmethyl Metabolite178273-35-3C17H17NOS
N-Despropyl Ropinirole (hydrochloride)N-????????????173990-76-6C13H19ClN2O
4-(1-(O-tolyl)vinyl)benzoic acid1799412-42-2C16H14O2
1-(5,5,8,8-Tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-one17610-21-8C16H22O
N-([1,1'-biphenyl]-2-yl)-9,9-diphenyl-9H-fluoren-2-amine1853250-53-9C37H27N
2,4,6-Trimethylbenzene-1,3,5-tricarboxylic acid18239-15-1C12H12O6
(Rac)-Cyclo(Leu-Ala)3-????-6-??-2,5-??????1803-60-7C9H16N2O2
1-(3-Chloro-2,6-difluorophenyl)ethan-1-one3'-???-2',6'-?????????177942-50-6C8H5ClF2O
Eltrombopag Impurity 451782285-05-5C12H14N2O
5-Phenylbenzo[d]oxazole-2-thiol2-????-5-??????17371-99-2C13H9NOS
4-(Benzyloxy)-3-fluorobenzaldehyde4-(????)-3-??????????175968-61-3C14H11FO2
3-Methoxy-cyclohexanone3-?????????17429-00-4C7H12O2
(4-(4-Methylpiperazin-1-yl)phenyl)methanamine hydrochloride1810070-21-3C12H20ClN3
Methyl 2-amino-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate184174-80-9C9H11NO2S
Bromo-PEG5-C2-acid1817735-27-5C13H25BrO7
Triethoxy(4-(trifluoromethyl)phenyl)silane188748-63-2C13H19F3O3Si
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