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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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3-Hydroxy-4-methoxy-4-oxobutanoic acid2-??????????????140235-34-3C5H8O5
3-Hydrazinyl-5-(trifluoromethyl)pyrazole1418117-75-5C4H5F3N4
((2R,5R)-5-Methylpiperazin-2-yl)methanol hydrochloride1403898-63-4C6H15ClN2O
trans-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]cyclobutanol1408075-44-4C10H22O2Si
(2,2-Difluorocyclobutyl)methanol1419101-11-3C5H8F2O
N-(2-Butyl-3-(4-(3-(dibutylamino)propoxy)-benzoyl)benzofuran-5-yl)-N-(methylsulfonyl)methanesulfonamide (Dronedarone Impurity)141626-57-5C32H46N2O7S2
Benzyl O-(tert-butyl)-L-serinate hydrochloride1401668-21-0C14H22ClNO3
(S)-(3,3-Difluorocyclopentyl)methanol1407991-23-4C6H10F2O
1,3-Bis(2-ethylhexyl)-5,7-di(thiophen-2-yl)benzo[1,2-c:4,5-c']dithiophene-4,8-dione1415929-77-9C34H40O2S4
5-Methyl-N-(2-(trifluoromethyl)phenyl)isoxazole-4-carboxamide (Leflunomide Impurity)1403564-06-6C12H9F3N2O2
MT-DADMe-ImmA 14C(hydrochloride)1399840-35-7
(R,S)-Boc-N-Me-tBuAla-OH1404754-06-8C13H25NO4
Guanylurea141-83-3C2H6N4O
(R)-(Tetrahydrofuran-3-yl)methanamine hydrochloride1400744-17-3C5H8ClNO
3-Methylpyridine-4-sulfonic acid14045-23-9C6H7NO3S
1-[3-Bromo-4-(hydroxymethyl)phenyl]ethan-1-one1418144-62-3C9H9BrO2
9-Desmethyl endo-Granisetron Hydrochloride141136-01-8C17H23ClN4O
N-Me-Ser-OH.HCl141193-65-9C4H10ClNO3
L-Alanyl-L-Glutamine impurity 21402135-14-1C8H15N3O4
(4R,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide (Demeclocycline Impurity)4-??-De???????14206-59-8C21H21ClN2O8
2-(Methylthio)ethyl methacrylate2-(????)?????????14216-23-0C7H12O2S
Sodium 2,4-dimethylbenzenesulfonate hydrate142063-30-7C8H11NaO4S
(R)-N'-Acetyl-1,1'-binaphthyldiamineN-[(1R)-2'-aMino[1,1'-?????]-2-?]-AcetaMide141977-92-6C22H18N2O
((((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphoryl)bis(oxy))bis(methylene) ethyl isopropyl dicarbonate (Tenofovir Impurity）1422284-16-9C18H28N5O10P
(3aS,8aS)-4,4,8,8-Tetrakis[3,5-bis(1-methylethyl)phenyl]tetrahydro-2,2-dimethyl-6-phenyl-1,3-dioxolo[4,5-e][1,3,2]dioxaphosphepin1422371-27-4C61H81O4P
Tert-butyl (S)-(2-oxocyclohexyl)carbamate145106-47-4C11H19NO3
2,2-Dimethyl-5-phenyl-1,3-dioxane-4,6-dione2,2-????-5-??-1,3-????-4,6-???15231-78-4C12H12O4
Linezolid Related Impurity 11532560-87-4C13H20FN3O2
NPI 3142867-52-5C10H10ClNO5S
4-Benzyloxy-3,5-dimethylbenzaldehyde4-????-3,5-?????????144896-51-5C16H16O2
Azilsartan Impurity 44??3-???-2-((2'-????????-4-?)?????)?????147404-75-9C22H21N3O3
Undecan-4-one4-????14476-37-0C11H22O
Diisobutyl maleate??????????14234-82-3C12H20O4
Milrinone Impurity 51443528-66-2C13H12N2O3
4-(3-Methoxybenzyl)piperidine hydrochloride4-[(3-?????)??]-???????149986-58-3C13H20ClNO
Methyl 4-chloroquinazoline-6-carboxylate6-?????????,4-???-,??????152536-17-9C10H7ClN2O2
Methyl (R)-2-(1-((2-aminopyridin-3-yl)oxy)ethyl)-4-fluorobenzoate1454847-99-4C15H15FN2O3
4-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)-2-trifluoromethylbenzonitrile143782-20-1C13H10F3N3O2
N,N'-(2,3-Dimethylbutane-2,3-diyl)bis(hydroxylamine) sulfate2,3-??????????14538-51-3C4H10N2O6S
Dimethylcyanamide????????1467-79-4C3H6N2
Biotin-bis-amido-SS-NHS??????N-?????-?????????142439-92-7C22H33N5O7S3
3,4-Dimethylpent-1-yn-3-ol3,4-???-1-??-3-OL1482-15-1C7H12O
1-(Tert-butoxy)-4-methylbenzenetert-??4-???????15359-98-5C11H16O
(3R,4R)-4-Fluoropyrrolidin-3-ol hydrochloride1523530-25-7C4H9ClFNO
S-Acetylcysteine15312-11-5C5H9NO3S
5-Chloro-6-fluoro-1H-benzo[d]imidazole-2-thiol142313-30-2C7H4ClFN2S
Th10141446414-48-7C28H52S
9H,9'H-9,9'-bifluorene9,9'-??????1530-12-7C26H18
2,5-Dichloro-1-methylpyridin-4(1H)-one1449008-17-6C6H5Cl2NO
BTZ2F26-2ThBr1476807-53-0C22H21Br2F2N3S2
4-Guanidinobenzoic acid compound with methanesulfonic acid (1:1)4-??????????????148720-07-4C9H13N3O5S
(2R,3R,4S,5R,6R)-2-((1R,2R)-1-Amino-2-hydroxypropyl)-6-(methylthio)tetrahydro-2H-pyran-3,4,5-triol (Lincomycin Impurity)??6-???-6,8-????-1-??-D-????-α-D-???-???????14810-93-6C9H19NO5S
tert-Butyl 6-amino-3-azabicyclo[3.1.1]heptane-3-carboxylate1427359-44-1C11H20N2O2
2,4,6-Trimethylthiophenol2,4,6-????????1541-10-2C9H12S
(S)-1-(7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)pyrrolidin-3-amine143112-52-1C10H11N5O3
Dioctyl succinate??? ????14491-66-8C20H38O4
Hydroxyhongdenafil???????????147676-56-0C25H34N6O4
BeBq2148896-39-3C26H16BeN2O2
4-(1H-imidazol-1-yl)piperidine147081-85-4C8H13N3
4,6-Difluoro-2,3-dihydro-1h-inden-1-amine4,6-?????-??-1-??????148960-40-1C9H9F2N
1-(2,2,2-Trifluoroacetamido)cyclopentane-1-carboxylic acid151159-24-9C8H10F3NO3
Chlorodiisopropyl(phenethyl)silane??????????????151613-24-0C14H23ClSi
5-Chloro-2-(chloromethyl)pyrimidine hydrochloride1427454-12-3C5H5Cl3N2
(S)-3-Ethoxypyrrolidine???????(S-3-)143943-75-3C6H13NO
4-(Trifluoromethyl)-L-phenylglycine144789-75-3C9H8F3NO2
Ethyl 2-(4-chlorophenoxy)acetate??2-(4-??????)?????14426-42-7C10H11ClO3
tert-Butyl 5-azaspiro[2.4]heptan-1-ylcarbamate????,5-?????[2.4]??-1-?-,1,1-?????????(9Cl)150516-43-1C11H20N2O2
Methyl 2-bromobenzo[d]thiazole-4-carboxylate1440526-53-3C9H6BrNO2S
l-Alanyl-l-methionineH-ALA-??-?14486-05-6C8H16N2O3S
2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate (Dexamethasone Acetate Impurity)1524-94-3C24H33FO6
2-(5-Ethylpyridin-2-yl)ethyl methanesulfonate144809-26-7C10H15NO3S
(8R,9S,13S,14S,17R)-17-Ethynyl-1,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (Ethinylestradiol Impurity)15071-66-6C21H26O2
Methyl 4-acetamido-2,3-dihydrobenzofuran-7-carboxylate??4-?????-2,3-????-1-????-7-???????149466-67-1C12H13NO4
2-(((3-Methyl-4-nitropyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole142384-07-4C14H12N4O3S
1-(2-Methyl-1H-benzo[d]imidazol-1-yl)ethan-1-one14678-81-0C10H10N2O
3-((4-Fuorophenyl)sulfonyl)-2-hydroxy-2-methylpropanoic acid (Bicalutamide Impurity)3-(4-??????????)-2-?????-2-???????151262-57-6C10H11FO5S
Montelukast (3R)-Hydroxy Benzoate150026-72-5C28H24ClNO3
2’,2’-Difluoro-2’-deoxyuridine 3',5'-Dibenzoate143157-27-1C23H18F2N2O7
4-Chloro-7-chlorosulfonyl-2,1,3-benzoxadiazole4-???-7-??????-2,1,3-???????142246-48-8C6H2Cl2N2O3S
tert-Butyl (1-(4-chlorophenyl)-2-hydroxyethyl)carbamatetert-??1-(4-?????)-2-????????????147353-95-5C13H18ClNO3
2,2,4,6,7-Pentamethyl-2,3-dihydrobenzofuran2,2,4,6,7-?????????????142874-81-5C13H18O
Copper,bis(methioninato-kN15170-74-8C10H18CuN2O4S2
N-Phenyl-4-(pyridin-3-yl)aniline1448787-63-0C17H14N2
2-(4'-Chloro-[1,1'-biphenyl]-4-yl)-4,6-diphenyl-1,3,5-triazine1443049-86-2C27H18ClN3
5,5',5'',5'''-((((((5-(Bromomethyl)-1,3-phenylene)bis(oxy))bis(methylene))bis(benzene-5,3,1-triyl))tetrakis(oxy))tetrakis(methylene))tetrakis(1,3-dimethoxybenzene)3,5-??[3,5-??(3,5-????????)????]???????152811-37-5C57H59BrO14
Docetaxel Impurity 5914β-????????????III145533-34-2C29H36O11
(S)-Ethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate (Carbidopa Impurity)1458640-32-8C12H18N2O4
2-Chloro-4-methylnicotinic acid2-???-4-??-????142266-63-5C7H6ClNO2
4-(1,3,2-Dioxaborinan-2-yl)benzonitrile152846-62-3C10H10BNO2
(2R,3S,4R,5R)-2-chloro-3,4,5,6-tetrahydroxyhexanal14685-79-1C6H11ClO5
Repaglinide Impurity 9147770-08-9C29H40N2O4
((3R,5R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate) calcium(II)1422515-55-6C22H30CaFN3O6S
Isopropyl cyclopropanesulfonate????????????????146475-51-6C6H12O3S
2-((tert-Butoxycarbonyl)amino)-2-(3-(trifluoromethyl)phenyl)aceticacidN-BOC-2-(3-????????-??)-DL-???146621-92-3C14H16F3NO4
4-(Piperidin-2-yl)pyridine1,2,3,4,5,6-?????-[2,4']?????143924-51-0C10H14N2
(4'-Butyl-[1,1'-biphenyl]-4-yl)boronic acid145413-17-8C16H19BO2
(S)-tert-Butyl (1-(4-(benzyloxy)phenyl)-4-chloro-3-oxobutan-2-yl)carbamate152438-62-5C22H26ClNO4
Voriconazole Impurity 511449785-88-9C10H7F2N3O
DBD-NCS [=4-(N,N-Dimethylaminosulfonyl)-7-isothiocyanato-2,1,3-benzoxadiazole] [for HPLC Labeling and Edman Degradation]147611-81-2C9H8N4O3S2
Roxadustat Impurity 351509958-19-3C20H20N2O4
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