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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-Methyl-4,6-bis(trichloromethyl)-1,3,5-triazine2-??-4,6-??(???????)-1,3,5-????949-42-8C6H3Cl6N3
5-Isopropyl-2-pyrimidinamine5-?????-2-??????98432-17-8C7H11N3
Sulfo-MBS (sodium)M-???????-N-???????????????92921-25-0C15H9N2NaO9S
4-Amino-2-chloro-3-fluorophenol1003710-18-6C6H5ClFNO
(1-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-4-chloro-1H-imidazol-5-yl)methyl acetate (Losartan Impurity)O-???????1006062-27-6C24H25ClN6O2
(3-(Bromomethyl)-1-tosylazetidin-3-yl)methanol(3-(BroMoMethyl)-1-(p-??????)????-3-?)???1041026-55-4C12H16BrNO3S
2-(Cyclopentyloxy)acetic acid(???????)????95832-60-3C7H12O3
(S)-3,3-Dimethyltetrahydropyrrolo[1,2-c]oxazol-5(3H)-one(S)-3,3-????????????[1,2-c]???-5(3H)-?99208-71-6C8H13NO2
5-Methyl-D-tryptophan5-??-D-????99295-79-1C12H14N2O2
4-(Phenylazo)diphenylamine4-(????)?????101-75-7C18H15N3
Benazepril ethyl esterBENAZEPRIL?????G(15MG))-BENZAZE-PINE)-3-????,??????)103129-58-4C26H32N2O5
3-(4-Methoxyphenoxy)propan-1-amine3-(4-??????)???-1-??100841-00-7C10H15NO2
1H-Indazol-3-ol1H-???-3-?100922-96-1C7H6N2O
N,N,N',N'-tetraethylmethanediamine102-53-4C9H22N2
5-Hydroxy-7-acetoxy-8-methoxyflavone5-?????-7-????-8-??????95480-80-1C18H14O6
4-Bromo-N,N-dimethylpyrimidin-2-amine959240-54-1C6H8BrN3
1-Bromo-4-methoxy-2-(trifluoromethoxy)benzene4-???-2-??????????????1049730-84-8C8H6BrF3O2
tert-Butyl (2-amino-3-chlorophenyl)carbamate(2-???-3-???-??)-???TERT-BUTYL????954238-81-4C11H15ClN2O2
5-(4'-((2-Butyl-4-chloro-5-((trityloxy)methyl)-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-yl)-1H-tetrazole (Losartan Impurity)Losartan???D1006062-28-7C41H37ClN6O
N1,N1-diethyl-N2-methylethane-1,2-diamine???????????104-79-0C7H18N2
4-fluoro-2-(hydroxymethyl)benzonitrile2-???-5-?????????1000339-93-4C8H6FNO
6-Boc-2,6-diazaspiro[4.5]decane960294-16-0C13H24N2O2
Vanadium(IV) fluoride10049-16-8F4V
(S)-2,6-Diaminohexan-1-ol dihydrochloride(S)-2,6-??????-1-??????????1041055-24-6C6H18Cl2N2O
3-(4-Fluorophenyl)-1H-indole3-(4-????-??)-1H-??101125-32-0C14H10FN
4-BenzylphenolP-????101-53-1C13H12O
7-Diethylaminocoumarin-3-carbohydrazide100343-98-4C14H17N3O3
3'-Bromo-4'-fluoroacetanilide3'-???-4'-???????????1009-75-2C8H7BrFNO
2,4-Difluoro-3,5-dimethoxybenzoic acid2,4-DIFLUORO-3,5-DIMETHOXY???1003709-80-5C9H8F2O4
(1R,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）????iMpurityD951661-81-7C22H20ClN3O4
4-(Pyridin-2-yl)butanoic acid4-(???-2-?)???102879-51-6C9H11NO2
3-Benzyloxy-6-bromo-2-fluorophenylboronic acid957035-10-8C13H11BBrFO3
3-(Benzyloxy)cyclobutanol3-(????)???????100058-61-5C11H14O2
(5-Methoxypyridin-3-yl)methanamine5-???????1044919-31-4C7H10N2O
(3-Bromopyridin-2-yl)methanamineC-(3-???-???-4-?)-????1053053-92-1C6H7BrN2
4-Methoxy-2,3,5-trifluorobenzoic acid1003709-67-8C8H5F3O3
5-Bromo-8-methoxy-2-methylquinoline5-???-8-???-2-??-???103862-55-1C11H10BrNO
4-(Dihydroxyboranyl)-2,3-difluorobenzoic acid4-????-2,3-??????????1029716-92-4C7H5BF2O4
(S)-N-(2,6-Dimethylphenyl)-1-ethylpiperidine-2-carboxamide (Ropivacaine Impurity)?????-ET-S98626-59-6C16H24N2O
7-(4-hydroxybutoxy-4,4-d2)quinolin-2(1H)-one??????????1008531-47-2C13H13D2NO3
1-(3-Chloropropyl)-4-methylpiperazine1-(3-??????)-4-??????104-16-5C8H17ClN2
4-(Imidazo[1,2-a]pyrazin-2-yl)-1,2,5-oxadiazol-3-amine1031927-02-2C8H6N6O
4-(1-Hydroxy-2-((6-phenethoxyhexyl)amino)ethyl)-2-(hydroxymethyl)phenol (Salmeterol Impurity)94749-02-7C23H33NO4
(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(propionyloxy)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carbo(thioperoxoic )O-acid (Fluticasone Propionat Impurity)?????EP???B948566-12-9C24H30F2O6S
1-(2-Chloroethoxy)butane???(2-)??????????10503-96-5C6H13ClO
((3aS,6R,7R,7aS)-6,7-Dihydroxy-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-b]pyran-3a-yl)methyl sulfamate4,5-??????????????106881-41-8C9H17NO8S
Hexyl octanoate1117-55-1C14H28O2
1-(3-Chlorophenyl)-1,2-propanedione1-(3-?????)-1,2-?????10557-17-2C9H7ClO2
4,4-Difluoroazepane4,4-??????????-1H-??????1094073-72-9C6H11F2N
5-(2-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6-chloroindoline-2,3-dione (Ziprasidone Impurity)1159977-56-6C21H19ClN4O2S
1-(2,4-Difluoro-3-(trifluoromethyl)phenyl)ethanone2',4'-?????-3'-(????????)?????1202679-46-6C9H5F5O
Bosentan Related Compound C1097263-60-9C52H52N10O10S2
Clarithromycin N-oxide118074-07-0C38H69NO14
5-Chloro-1-[1-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-1-oxido-4-piperidinyl]-1,3-dihydro-2H-benzimidazol-2-one????118435-03-3C22H24ClN5O3
2-Chloro-4-(1H-pyrazol-1-yl)benzaldehyde2-???-4-(1H-???-1-?)??????1186663-54-6C10H7ClN2O
4-[2-(trans-4-Propylcyclohexyl)ethyl]cyclohexanone4-[2-(???-4-????????)??]??????117923-32-7C17H30O
1,3-Dichlorobutane1190-22-3C4H8Cl2
2-Acetamido-2-cyclohexylacetic acid107020-80-4C10H17NO3
1,2-Difluoro-4-[trans-4-[2-(trans-4-propylcyclohexyl)ethyl]cyclohexyl]benzene117943-37-0C23H34F2
(S)-2-(methoxydiphenylmethyl)pyrrolidine(S)-2-(????????)????118971-03-2C18H21NO
5-Amino-1-(4-(methylsulfonyl)phenyl)-1H-pyrazole-4-carbonitrile106368-32-5C11H10N4O2S
(R)-2-Chloro-1-(2,4-dichlorophenyl)ethan-1-ol(R)-2-???-1-(2,4-??????)??-1-?114446-57-0C8H7Cl3O
1-(tert-Butyl) 2-methyl (S)-azetidine-1,2-dicarboxylate(S)-N-BOC-AZETIDINE-2-???????????107020-12-2C10H17NO4
3-(3-Methoxypropoxy)propan-1-ol3-(3-???????)????112-28-7C7H16O3
4-(Boc-aminomethyl)pyrazole4-(?-?????)???1107620-72-3C9H15N3O2
4'-Methyl-[1,1'-biphenyl]-3-carbaldehyde3-(4-????)??????116470-54-3C14H12O
2-Bromo-13,13-dimethyl-6,11-di(naphthalen-2-yl)-13H-indeno[1,2-b]anthracene1196107-75-1C43H29Br
N,N-diethyl-N-methylethanaminium hydroxide????????????????109334-81-8C7H19NO
Methyl 3-bromo-4,5-dichlorobenzoate??3-broMo-4,5-?????????1160574-77-5C8H5BrCl2O2
2-Amino-4-thiazolecarboxylic acid hydrobromide2-???-4-????????HBR112539-08-9C4H5BrN2O2S
rel-1,1-Dimethylethyl N-[(3R,5S)-5-(trifluoromethyl)-3-piperidinyl]carbamate??-3-(Boc-???)-5-(????????)????1187055-62-4C11H19F3N2O2
3-Methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid1118787-14-6C8H7N3O2
3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carbonitrile (Temozolomide Impurity)?????????114601-31-9C6H4N6O
tris(1-methylethyl)-Phosphine tetrafluoroborate121099-07-8C9H22BF4P
Ganciclovir EP Impurity C (Ganciclovir Impurity）2'-???????-2'-?????????108436-36-8C9H12ClN5O3
2-Amino-2-(1H-indol-5-yl)acetic acid2-???-2-(1H-??-5-?)????108763-43-5C10H10N2O2
(E)-3-(2-(7-chloroquinolin-2-yl)vinyl)benzaldehyde3-(2-(7-??????-2-YL)-(E)-??)?????120578-03-2C18H12ClNO
4,6-Dichloroindoline hydrochloride4,6-??????????1210734-76-1C8H8Cl3N
tert-butyl N-[(2-methylpropan-2-yl)oxycarbonyl]-N-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]carbamate2-(N,N-BisBOC-???)????-5-???,???????1190423-36-9C20H32BN3O6
3-((2-Isopropyl-1H-imidazol-1-yl)methyl)aniline dihydrochloride{3-[(2-?????-1H-????-1-?)??]??}??????1211449-75-0C13H19Cl2N3
6,6'-Methylenebis(9-methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-2,3-dihydro-1H-carbazol-4(9H)-one) (Ondansetron Impurity)????????B1076198-52-1C37H38N6O2
(2-((Tert-butoxycarbonyl)amino)phenyl)boronic acid115377-94-1C11H16BNO4
4-Bromo-3-fluoropyridine hydrochloride1159811-44-5C5H4BrClFN
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((5-(carboxymethyl)-4-methylthiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid (Cefodizime Impurity)δ-2-CefodiziMe(2:1???)120533-30-4C20H20N6O7S4
N-Hydroxy-4-nitrophthalimide105969-98-0C8H4N2O5
4-Chloro-5-iodo-2-methyl-7H-pyrrolo[2,3-d]pyrimidine1060815-92-0C7H5ClIN3
Methyl 5-(aminocarbonyl)-1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3-pyridinecarboxylate114709-68-1C16H17N3O5
(R)-N-(1-(4-methoxy-3-sulfamoylphenyl)propan-2-yl)acetamide112101-74-3C12H18N2O4S
2'-Deoxy-N6-phenoxyacetyladenosineN6-PHEAC-???????110522-74-2C18H19N5O5
2,6-Diazaspiro[3.4]octan-7-one2,6-??????[3.4]??-7-?1211515-65-9C6H10N2O
(1R,2R,3R,4S)-rel-Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid5-?????-2-??,3-??-??????1200-88-0C9H10O4
2-(chloromethyl)-3,5-dimethyl-4-nitropyridine (Tedizolid Impurity）1239662-48-6C17H17FN6O9P2
((((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)(((isopropoxycarbonyl)oxy)methoxy)phosphoryl)oxy)methyl (Tenofovir Impurity）??-POC???????(DiastereoMers????)1246812-16-7C15H24N5O7P
2-Fluoro-6-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine1218790-38-5C12H17BFNO2
4,4'-Dibutoxy-2,2'-bis(trimethylstannyl)-5,5'-bithiazole4,4'-????-2,2'-??(???????)-5,5'-????1224430-28-7C62H102Br2N2O2S2
p-Nitrophenyl α-L-arabinopyranoside1223-07-0C11H13NO7
Prolonium iodide???????????????????????123-47-7C9H24I2N2O
4,6-Dichloro-3-methyl-1H-pyrazolo[3,4-d]pyrimidine4,6-????-3-??-1H-????[3,4-d]????1211522-68-7C6H4Cl2N4
2-(((2-Methyl-4-oxohexan-3-yl)oxy)(4-phenylbutyl)phosphoryl)acetic acid[(2-??-1-?????????)(4-????)?????]????123599-78-0C19H29O6P
4,6-Dimethylnicotinaldehyde3-???????????,4,6-???-(9CI)116785-23-0C8H9NO
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