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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-400-8210725
???:malulu@leyan.com
??:China
URL: https://www.leyan.com/
? ?? ?:39988
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2-Chloroethyl (2-Chloroethyl)phosphonate2-?????(2-?????)??????17378-30-2C4H9Cl2O3P
tert-Butyl 3-(bromomethyl)-1H-indazole-1-carboxylate1H-???-1-?????,3-(?????)-,1,1-?????????174180-42-8C13H15BrN2O2
m-PEGn-NHS ester???-PEG-?????-N-?????????174569-25-6C80H155NO41
(S)-2-((S)-1-((Benzyloxy)carbonyl)pyrrolidine-2-carboxamido)-3-phenylpropanoic acidZ-??-?-?17350-17-3C22H24N2O5
Tridecan-2-ol1653-31-2C13H28O
1-Benzyl 3-methyl 3-methylpiperidine-1,3-dicarboxylate??1-Cbz-3-??????-3-???????174543-82-9C16H21NO4
4,5-Diazafluorene-9-one O-(p-Toluenesulfonyl)oxime1655490-79-1C18H13N3O3S
4,5,6-Trimethoxy-2,3-dihydro-1H-inden-1-one4,5,6-????????16718-42-6C12H14O4
Spiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene]171856-25-0C23H14N2
1-(Benzo[b]thiophen-4-yl)piperazine dihydrochloride1677681-05-8C12H16Cl2N2S
(3R,5S,E)-7-(4-(4-fluorophenyl)-2-(2-hydroxy-N,2-dimethylpropylsulfonamido)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (Rosuvastatin Impurity）1714147-47-3C25H36CaFN3O7S
2-Methylbut-3-enenitrile??(2-)-3-3?????16529-56-9C5H7N
Ethyl 2-propylpentanoate??2-?????????17022-31-0C10H20O2
1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene1,3-??????????-2-???173035-11-5C21H26N2
Ethyl 6-chloro-5-fluoro-1H-indole-2-carboxylate6-???-5-????-1H-??-2-???????????169674-00-4C11H9ClFNO2
1,1-Diethoxycyclohexane1670-47-9C10H20O2
Nonanedinitrile1675-69-0C9H14N2
N-Carbobenzoxy-L-proline tert-Butyl Ester16881-39-3C17H23NO4
2-Chloro-4-(5-fluoro-2-methylbenzamido)benzoic acid2-???-4-(5-????-2-??????)???168080-49-7C15H11ClFNO3
3′-O-[(1,1-Dimethylethyl)dimethylsilyl]-2′-O-methyluridine171268-84-1C16H28N2O6Si
4-Chloropyridazine17180-92-6C4H3ClN2
2-(2-Chloro-4-methoxyphenyl)acetonitrile(2-???-4-?????)??????170737-93-6C9H8ClNO
Ethyl 2,6-dimethylpyridine-3-carboxylate2,6-?????????????1721-13-7C10H13NO2
Boc-Val-ONp16948-40-6C16H22N2O6
7-(((E)-4-((2S,3R,4R,5S)-3,4-Dihydroxy-5-(((2S,3S)-3-((2S,3S)-3-hydroxybutan-2-yl)oxiran-2-yl)methyl)tetrahydro-2H-pyran-2-yl)-3-methylbut-2-enoyl)oxy)heptanoic acid (Mupirocin Impurity)167842-64-0C24H40O9
1-(2-Bromoethyl)-3-nitrobenzene1-(2-?????)-3-?????16799-04-5C8H8BrNO2
Everolimus Ring-Opening Impurity1708118-13-1C53H83NO14
tert-Butyl 4-cyano-4-(pyridin-2-yl)piperidine-1-carboxylateTERT-??4-???-4-(???-2-?)????-1-???????167263-04-9C16H21N3O2
1-Bromo-1,3,5-triazinane-2,4,6-trione, sodium saltN-???????????????164918-61-0C3H3BrN3NaO3
L-NMMA17035-90-4C7H16N4O2
1-(4-Aminoindolin-1-yl)ethanone1-(4-??????)???17274-64-5C10H12N2O
(2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)-4-((5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)morpholine 4-oxide (Aprepitant impurity)172673-23-3C23H21F7N4O4
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydropyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dioneN-????????171596-31-9C25H25N3O4
3-(Methoxycarbonyl)-5-methylbenzoic acid3-???????-5-?????167299-68-5C10H10O4
Ethyl 5,6-difluoro-2-indolecarboxylate5,6-?????-2-??????????????169674-34-4C11H9F2NO2
(5,5,8,8-Tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)boronic acid5,5,8,8-?????-5,6,7,8-???????????-2-???169126-63-0C14H21BO2
2-Chloro-4-nitrophenyl-β-D-maltotrioside165522-16-7C24H34ClNO18
cis-octahydro-2-methyl-Pyrrolo[3,4-c]pyrrole???[3,4-c]??,??????-2-??-,??-(9CI)172739-03-6C7H14N2
5-Methoxy-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid5-???-1H-???[3,2-B]???-2-?????17288-33-4C9H8N2O3
Propyl 3-mercaptopropanoateN-???3-???????????165804-07-9C6H12O2S
2-(5-Oxazolyl)benzoic acid2-(5-????)???169508-94-5C10H7NO3
(3R,5S,E)-7-(4-(4-Fluorophenyl)-2-(2-hydroxy-N,2-dimethylpropylsulfonamido)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid, sodium salt （Rosuvastatin Impurity）1714147-50-8C25H34FN3NaO7S*
4-(4-Methoxyphenyl)phenol4-?????-4'-??????16881-71-3C13H12O2
2-(4-((tert-Butoxycarbonyl)amino)-2-oxopyrimidin-1(2H)-yl)acetic acid172405-16-2C11H15N3O5
Paclitaxel Impurity 66173101-47-8C42H51NO13
N-(tert-Butyl)decahydroisoquinoline-3-carboxamide168899-60-3C14H26N2O
Dichloro(DPPE)digold(I)????(DPPE)???(I)18024-34-5C26H24Au2Cl2P2
trans-4-(Aminomethyl)cyclohexanemethanol[???-4-(?????)??????]???(?????:??)17879-23-1C8H17NO
5',5''''-(Naphthalene-1,4-diyl)bis(([1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid))1816997-26-8C50H32O8
Tris(hexafluoroacetylacetonato)iron(III)17786-67-3C15H3F18FeO6
Triethoxy(thiophen-2-yl)silane?????-2-?????9717984-89-3C10H18O3SSi
2-(3-(Benzyloxy)phenyl)ethan-1-ol177259-98-2C15H16O2
Ethyl 3-(benzylamino)-3-methylbutanoate??3-(?????)-3-????????17945-54-9C14H21NO2
2-(Allylthio)nicotinic acid2-(????)????175135-25-8C9H9NO2S
6-(tert-Butyl)-4-methyl-2H-chromen-2-one17874-32-7C14H16O2
3,4,5,6-Tetrachloropicolinonitrile17824-83-8C6Cl4N2
4-Chloro-6-(trifluoromethyl)-1H-pyrazolo[3,4-d]pyrimidine4-???-6-(????????)-1H-????[3,4-D]????1780-80-9C6H2ClF3N4
N-Hydroxy-5-(trifluoromethyl)picolinimidamide175277-44-8C7H6F3N3O
(3-Fluoroazetidin-3-yl)methanol hydrochloride1803604-98-9C4H9ClFNO
(R)-2-amino-N-benzyl-3-hydroxypropanamide??????????????175481-39-7C10H14N2O2
4-Methoxy-7-nitro-1H-indole1H-??,4-???-7-???-175913-27-6C9H8N2O3
tert-Butyldichloro(phenyl)silane17887-41-1C10H14Cl2Si
Dimethyl 5-methylisophthalate5-??????????????17649-58-0C11H12O4
1,1,3,3-Tetraethoxy-1,3-Dimethyldisiloxane18001-60-0C10H26O5Si2
8-Aminonaphthalene-1,3,5-trisulfonic acid1-?????-4,6,8-?????17894-99-4C10H9NO9S3
sodium (2R,5R)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl sulfate (Avibactam Impurity）1797133-98-2C7H12N3NaO6S
4-Phenylthiomorpholine 1,1-dioxide4-????????1,1-??????17688-68-5C10H13NO2S
1,4-dibromo-2-(4-ethoxybenzyl)benzene (Dapagliflozin Impurity）1807632-93-4C15H14Br2O
Methacryloxypropylmethyldichlorosilane18301-56-9C8H14Cl2O2Si
Methyl 5-chloropyrazolo[1,5-a]pyridine-3-carboxylate1825395-08-1C9H7ClN2O2
tert-Butyl (4-methylpyridin-3-yl)carbamate3-(??-???)-4-???180253-66-1C11H16N2O2
4'-(2,2-Bis(4-methoxyphenyl)-1-phenylvinyl)-[1,1'-biphenyl]-4-carbaldehyde1809410-56-7C35H28O3
2,6-Dichloro-4-(trifluoromethyl)benzenesulfonyl chloride2,6-????-4-(????????)??????????175205-76-2C7H2Cl3F3O2S
4-(3-Methyl-5-phenylisoxazol-4-yl)benzenesulfonamide181695-84-1C16H14N2O3S
Cefdinir Impurity D178422-40-7C7H10N4O4S
Tert-Butyltrichlorosilane18171-74-9C4H9Cl3Si
(R)-2-Amino-2-(1-(tert-Butoxycarbonyl)piperidin-4-yl)aceticacid(R)-1-BOC-4-(????????)????177702-21-5C12H22N2O4
(R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione (Linagliptin Impurity)1791405-13-4C15H20N6O2
5',5'''-Bis(4-carboxyphenyl)-2'',5''-dimethoxy-[1,1':3',1'':4'',1''':3''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid1800290-01-0C48H34O10
(8R,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one11-?????????1807-14-3C21H28O4
(E)-n-(2-(7-methoxy-3,4-dihydronaphthalen-1(2H)-ylidenE)ethyl)acetamide178677-39-9C15H19NO2
Methyl-D-tyrosine178357-84-1C10H13NO3
Ethyl 5-methyl-2-(trifluoromethyl)furan-3-carboxylate??5-??-2-(????????)-3-?????17515-73-0C9H9F3O3
3-(1,1,3,3,3-Pentamethyldisiloxanyl)propyl methacrylate18151-85-4C12H26O3Si2
N-(2-Hydroxy-5-(1-((2-hydroxy-5-(1-hydroxy-2-((1-(4-methoxyphenyl)propan-2-yl)amino)ethyl)phenyl)amino)-2-((1-(4-methoxyphenyl)propan-2-yl)amino)ethyl)phenyl)formamide (Formoterol Impurity）1795129-59-7C37H46N4O6
2-Methoxy-4,6-bis(trifluoromethyl)benzoic acid2-???-4,6-DI(????????)???180134-15-0C10H6F6O3
(But-3-yn-2-yloxy)trimethylsilane17869-76-0C7H14OSi
3-Bromo-2,6-dichloro-4-fluorophenol1807542-79-5C6H2BrCl2FO
2-(Sec-butyl)thiazole2-(1-?????)-???18277-27-5C7H11NS
1-(3-Fluoro-5-(trifluoromethyl)pyridin-2-yl)ethanol1805874-45-6C8H7F4NO
5-(Chloromethyl)-3-phenyl-1,2,4-oxadiazole5-(?????)-3-??-1,2,4-?????1822-94-2C9H7ClN2O
(4-((Hydroxyimino)methyl)phenyl)boronic acid4-(????????)???????179942-51-9C7H8BNO3
2-Bromo-3-fluoro-5-methylaniline1805421-04-8C7H7BrFN
Phenyldimethylacetoxysilane17887-60-4C10H14O2Si
8,8-Difluoro-2-azaspiro[4.5]decane hydrochloride1780964-59-1C9H15F2N.ClH
5-(Benzyloxy)-1H-indazole-3-carboxylic acid5-????-1H-???-3-?????177941-16-1C15H12N2O3
5-Cyano-1H-indole-2-carboxylic acid5-???-1H-??-2-?????169463-44-9C10H6N2O2
7-Benzyloxy-1H-indazole-3-carboxylic acid7-????-1H-???-3-?????177941-17-2C15H12N2O3
2-((2,4-Dinitrophenyl)thio)benzo[d]thiazole17586-89-9C13H7N3O4S
4-Guanidino-2-methoxybenzoic acid???,4-[(????????)???]-2-???-(9CI)173731-96-9C9H11N3O3
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