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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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2,8-Dichloropyrimido[5,4-d][1,3]diazine189747-34-0C6H2Cl2N4
6-Phenyl-2-pyridone19006-82-7C11H9NO
3-Bromo-5-vinylpyridine191104-26-4C7H6BrN
(3-(Tert-butyl)-5-methylphenyl)boronic acid193905-93-0C11H17BO2
(8S,9S,10R,13S,14S,17R)-17-Acetyl-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one (Progesterone Impurity)(17α)-???-4-?-3,20-??2000-66-0C21H30O2
2-(4-Aminophenyl)-2-methylpropan-1-ol2-(4-?????)-2-?????-1-?18755-56-1C10H15NO
Chloropentaammineruthenium(III) chloride??????????(III)???18532-87-1Cl2H10N5Ru+
(2S,3S)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-3-phenylazetidine-2-carboxylic acidFMOC-TRANS-3-??????-2-?????(RACEMIC)204320-45-6C25H21NO4
2-Aza-bicyclo[2.2.1]heptane-2,6-dicarboxylic acid 2-tert-butyl ester1860028-20-1C12H19NO4
1-((2S,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione2041584-99-8C10H13FN2O5
1-(4-(((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-4-(4-(1-((2S,3S)-2-hydroxypentan-3-yl)-5-oxo-1H-1,2,4-triazol-4(5H)-yl)phenyl)piperazine 1-oxide (Posaconazole Impurity)1902954-05-5C37H42F2N8O5
(R)-Oxetan-2-ylmethanamine2090728-35-9C4H9NO
1-{[(Tert-butoxy)carbonyl]amino}cycloheptane-1-carboxylic acid199330-56-8C13H23NO4
5-Chloro-2-methylbenzenethiol5-???-2-??????18858-06-5C7H7ClS
(8S,9S,10R,11S,13S,14S,17R)-17-Acetyl-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one (Prednisolone Acetate Impurity)20423-99-8C21H28O4
(1-Methyl-1H-indol-3-yl)methanamine(1-??-1H-??-3-?)-????19293-60-8C10H12N2
2-Amino-4-nitro-5-methoxybenzoic Acid196194-99-7C8H8N2O5
4,6-Dimethylheptan-2-one4,6-????-2-???19549-80-5C9H18O
(2R)-2-amino-3-((3-hydroxypropyl)sulfinyl)propanoic acid (Fudosteine Impurity)L-???,3-[(3-????????)???]-209665-22-5C6H13NO4S
3-Amino-N,N-dimethylpropanamideN~1~,N~1~-???-??-??????(SALTDATA:HCl)1857-18-7C5H12N2O
(R)-Ethyl 2-((1r,4R)-4-isopropylcyclohexanecarboxamido)-3-phenylpropanoate (Nateglinide Impurity)????????????187728-85-4C21H31NO3
(S)-1-((E)-2-(((1r,3R,5R,7S)-3-Hydroxyadamantan-1-yl)imino)acetyl)pyrrolidine-2-carbonitrile (Vildagliptin Impurity)1846606-31-2C17H23N3O2
5-Propyl-[1,3]dithiolo[4,5-d][1,3]dithiole-2-thione202126-48-5C7H8S5
Diphenyl phosphoramidate???????????2015-56-7C12H12NO3P
2-(2,3-Dihydroindol-1-yl)acetic acid2,3-DIHYDRO-1-??????193544-62-6C10H11NO2
(S,S)-1,2-Bis(2,4,6-trimethylphenyl)-1,2-ethanediamine(1S,2S)-1,2-BIS(2,4,6-??????)??????186769-18-6C20H28N2
3-Methyl-1,7-bis(5-oxohexyl)-1H-purine-2,6(3H,7H)-dione (Pentoxifylline Impurity)200556-62-3C18H26N4O4
(R)-3,4-diamino-4-oxobutanoic acidD-????????-??????200260-37-3C4H8N2O3
3-Thiophen-2-yl-1H-pyrazole3-(2-???)???19933-24-5C7H6N2S
4,6-Diphenyl-1,3,5-triazin-2(1H)-one1,3,5-????-2(1H)-?,4,6-???-1917-44-8C15H11N3O
2-Fluoro-N-methoxy-N-methylbenzamide2-????-N-???-N-???????198967-24-7C9H10FNO2
Traxoprodil (mesylate hydrate)???????????,CP-101606-27189894-57-3C21H29NO6S
(R)-3-amino-N-((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)-4-(2,4,5-trifluorophenyl)butanamide (Sitagliptin Impurity）2072867-07-1C26H23F9N6O2
2-Chloro-5-methylcyclohexa-2,5-diene-1,4-dione2-???-5-??-1,4-????19832-87-2C7H5ClO2
(E)-5-Hydroxy-1-(4-(trifluoromethyl)phenyl)pentan-1-one O-(2-aminoethyl) oxime (Fluvoxamine Impurity)???????192876-02-1C14H19F3N2O2
N-Methyl-N-(thiophen-3-ylmethyl)amine210552-07-1C6H9NS
(3R,4R,5R)-Ethyl 3-hydroxy-5-(methylsulfonyloxy)-4-(pentan-3-yloxy)cyclohex-1-enecarboxylate (Oseltamivir Impurity)204254-94-4C15H26O7S
2-Hydroxy-N-(2-hydroxybenzoyl)benzamide (Deferasirox Impurity)???????1972-71-0C14H11NO4
((2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methyl phenyl hydrogen phosphate (sofosbuvir Impurity）1859162-80-3C16H18FN2O8P
(S)-7-(Pyrrolidin-1-yl)-6,7,8,9-tetrahydro-5H-benzo[7]annulen-2-amine2045894-03-7C15H22N2
3-(4-Methoxyphenyl)-1h-pyrazole-4-carbaldehyde3-(4-?????)-1H-???-4-???????199682-73-0C11H10N2O2
1-(4-(((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)-4-(4-(1-((2S,3S)-2-hydroxypentan-3-yl)-5-oxo-1H-1,2,4-triazol-4(5H)-yl)phenyl)piperazine 1,4-dioxide (Posaconazole Impurity)1902957-95-2C37H42F2N8O6
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((3-methylpentan-3-yl)oxy)-4-oxobutanoic acid1926162-97-1C25H29NO6
7-Methylimidazo[1,2-a]pyridine-2-carbaldehyde????[1,2-a]???-2-????????,7-??-(9CI)202348-54-7C9H8N2O
Boc-4-acetyl-l-phenylalanineBoc-4-???-L-?????204856-73-5C16H21NO5
2-(Aminomethyl)pyridin-3-ol3-????,2-(?????)-(9CI)194665-89-9C6H8N2O
Fmoc-Glu(O-2-PhiPr)-OH200616-39-3C29H29NO6
Naphthalene-1,2-dicarbonitrile1,2-???????????19291-76-0C12H6N2
Tert-butyl 3-(((benzyloxy)carbonyl)amino)propanoate18605-26-0C15H21NO4
4-bromo-2-methylsulfanyl-1,3-thiazole4-???-2-(????)???204513-62-2C4H4BrNS2
5-Chloro-2,4,6-trifluoroisophthalonitrile5-???-2,4,6-??????????????1897-50-3C8ClF3N2
Thiazol-5-ylmethyl ((2S,3S,5S)-5-((S)-2-(3-((2-(2-hydroperoxypropan-2-yl)thiazol-4-yl)methyl)-3-methylureido)-3-methylbutanamido)-3-hydroxy-1,6-diphenylhexan-2-yl)carbamate (Ritonavir Impurity)2034136-66-6C37H48N6O7S2
1,1,2,3-Tetrachloropropane18495-30-2C3H4Cl4
1-{2-[(3S)-3-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-hydroxypropyl]phenyl}ethanone184764-13-4C28H24ClNO2
3-Chlorobutyric acid3-??????1951-12-8C4H7ClO2
Dihydridotetrakis(triphenylphosphine)ruthenium(II)19529-00-1C72H62P4Ru
5-(2-fluorophenyl)-1H-pyrrole-3-carboxylic acid (Vonoprazan Impurity）1883595-38-7C11H8FNO2
ethyl 2-cyclopentylideneacetate??????????????1903-22-6C9H14O2
2,7-Dibromo-9,9-diethyl-9H-fluorene2,7-????-9,9-???????197969-58-7C17H16Br2
1-(4-Methoxypyridin-3-yl)ethanone???,1-(4-???-3-????)-(9CI)191725-82-3C8H9NO2
Diethyl (1r,4r)-cyclohexane-1,4-dicarboxylateTRANS-1,4-CYCLOHEXANEDICARBOXYLICACIDDIETHYL????19145-96-1C12H20O4
2,7-Diamino-6-phenyl-4(3H)-pteridinone??????????B(50mg)(2,7-????-4-????-6-??????)19375-89-4C12H10N6O
(Z)-dec-2-ene20348-51-0C10H20
7-(4-chlorobutoxy)-1-(4-chlorobutyl)quinolin-2(1H)-one (Brexpiprazole Impurity）2059954-32-2C17H21Cl2NO2
1,4-Difluoro-2,5-dimethoxybenzene1,4-?????-2,5-??????199866-90-5C8H8F2O2
2,3,4-Trifluorobenzamide207919-09-3C7H4F3NO
Barium Disodium Ethylenediaminetetraacetate Hydrate????????????????????18744-58-6C10H12BaN2NaO8-
N,N'-(disulfanediylbis(ethane-2,1-diyl))bis(4-azido-2-hydroxybenzamide)199804-21-2C18H18N8O4S2
1,2-Dihydro-4-(1-methylethyl)-3,6-pyridazinedione1903632-97-2C7H10N2O2
2-Hydrazinyl-3-methoxypyrazine2-?????-3-??????210993-11-6C5H8N4O
Fmoc-L-Cys(Xan)-OH186829-25-4C31H25NO5S
(5Z,5'Z)-5,5'-((7,7'-(4,4,9,9-Tetraoctyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene-2,7-diyl)bis(benzo[c][1,2,5]thiadiazole-7,4-diyl))bis(methanylylidene))bis(3-ethyl-2-thioxothiazolidin-4-one)2077945-91-4C72H88N6O2S8
2-Amino-9-((3aS)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-1,9-dihydro-6H-purin-6-one1984788-96-6C12H15N5O4
4-Nitro-1,2-bis(trifluoromethyl)benzene3,4-??(????????)?????1978-20-7C8H3F6NO2
Apalutamide Impurity 41950587-20-8C20H17F4N5O2
1-Phenylcyclohexanamine hydrochloride1-????????????1934-71-0C12H18ClN
(2-Chloro-6-methoxypyridin-4-yl)methanol(2-CHLORO-6-METHOXY-PYRIDIN-4-YL)-???193001-91-1C7H8ClNO2
Zinc Trifluoroacetate Hydrate207801-31-8C2H3F3O3Zn
5-(Tert-butyl) 1-(perfluorophenyl) (((9H-fluoren-9-yl)methoxy)carbonyl)-D-glutamate200616-21-3C30H26F5NO6
2-Chloroacetamidine2-?????????????20846-52-0C2H5ClN2
5-Chloro-3-sulfothiophene-2-carboxylic acid5-???-3-??-2-????????187746-94-7C5H3ClO5S2
(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)propanoic acid210830-03-8C28H30N2O6
(E)-Methyl 3-(4-(trifluoromethyl)phenyl)acrylate??4-?????????????20754-22-7C11H9F3O2
(R)-methyl 2-(2-chloroacetamido)-3-(1H-indol-3-yl)propanoate (Tadalafil Impurity）185750-07-6C14H15ClN2O3
3-(4-Pyridyl)-dl-alanine1956-21-4C8H10N2O2
(S)-[(RuCl(BINAP))2(μ-Cl)3][NH2Me2]????????????(?-???)??[(S)-(-)-2,2'-??(???????)-1,1'-????]??????(II)199541-17-82C44H32P2.C2H7N.Cl.Cl3Ru2.ClH
8-tert-Butyl 3-ethyl 2,8-diazaspiro[4.5]decane-3,8-dicarboxylate2,8-???-???[4.5]??-3,8-??????8-tert-??????3-??????203934-60-5C16H28N2O4
Fmoc-norArg(Boc)2-OH206183-06-4C30H38N4O8
2,4-Diethyl 5-amino-1H-pyrrole-2,4-dicarboxylate???5-???-1H-??-2,4-????????187724-98-7C10H14N2O4
8-Chloro-2-(trifluoromethyl)quinolin-4-ol8-???-4-?????-2-(????????)???18706-22-4C10H5ClF3NO
Triphenylbismuth difluoride???????????????2023-48-5C18H15BiF2
7-Hydroxy-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylic acid7-????-1,4-?????-6-?????197584-99-9C9H8O5
Methyl [2,2'-bipyridine]-6-carboxylate[2,2'-????]-6-?????,??????203573-76-6C12H10N2O2
1-Bromo-2-octyne1-???-2-??18495-27-7C8H13Br
3-Benzyl-1-dodecyl-2-methyl-1H-imidazol-3-ium chloride21054-72-8C23H37ClN2
4-Fluorobenzylamine Hydroiodide2097121-30-5C7H9FIN
2-Chloro-3,5-difluorophenol206986-81-4C6H3ClF2O
Di(1H-inden-1-yl)dimethylsilane??? ?? (?? ?) ??18666-26-7C20H20Si
2-Bromo-3-methoxyisonicotinaldehyde191418-78-7C7H6BrNO2
N-(2-Aminoethyl)-N-ethyl-m-toluidine19248-13-6C11H18N2
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