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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-Chlorocyclohex-1-ene-1-carbaldehyde2-???-1-???-1-?????1680-73-5C7H9ClO
1-(p-Tolyl)hexan-1-one1-p-????-1-?1669-33-6C13H18O
2-Phenyl-2-(p-toluenesulfonyloxy)acetophenone2-??-2-(P-????????)?????1678-43-9C21H18O4S
Potassium hexafluoroarsenate(V)??? ????????????(v)17029-22-0AsF6K
2-Ethylhexyl Iodide1653-16-3C8H17I
(S)-tert-Butyl 2-(2-hydroxyethyl)piperazine-1-carboxylate(S)-tert-??2-(2-??????)????-1-???????169448-17-3C11H22N2O3
(S)-tert-Butyl 2-amino-3-(1H-indol-3-yl)propanoate16874-09-2C15H20N2O2
10-Nonadecanol16840-84-9C19H40O
Dihydro Dutasteride??????????164656-22-8C27H32F6N2O2
4-(2-(Piperidin-1-yl)ethoxy)benzoyl chloride4-(2-????????)??????166975-76-4C14H18ClNO2
Methyl 5-methoxy-4-((4-methoxybenzyl)oxy)-2-nitrobenzoate1646152-47-7C17H17NO7
1-(Pyridin-3-yl)butan-1-one3-???????1701-70-8C9H11NO
Phthalanilide??????16497-41-9C20H16N2O2
Barium(II) Bis(trifluoromethanesulfonyl)imide????(?????????????)168106-22-7C2H3BaF6NO4S2
Ammonium hexafluorogermanate(IV)16962-47-3F6GeH8N2
5-Chloro-2-hydroxy-3-nitrobenzaldehyde5-???-2-?????-3-???-??????16634-90-5C7H4ClNO4
(S)-1-benzyl-N-ethylpyrrolidin-3-amine(3S)-(+)-1-??-3-(?????)????169750-99-6C13H20N2
7-(But-2-yn-1-yl)-8-(dimethylamino)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione (Linagliptin Impurity)1646355-34-1C22H23N7O2
Benzyl 2,4-dichloro-6,7-dihydropyrido[2,3-d]pyrimidine-8(5H)-carboxylate1665288-67-4C15H13Cl2N3O2
Imidazolidin-4-one4-???????1704-79-6C3H6N2O
2-tert-Butylthiophene1689-78-7C8H12S
4-(Indolin-5-yl)morpholine hydrochloride1646152-53-5C12H17ClN2O
Deoxysotalol??????16974-42-8C12H20N2O2S
(R)-3-Amino-2,3-dihydro-1H-inden-5-olR-(-)-6-?????-1-?????169105-01-5C9H11NO
5,7-Di-tert-butyl-3-(3,4-dimethylphenyl)benzofuran-2(3H)-one164391-52-0C24H30O2
3-Bromo-n-phenylbenzenesulfonamide3-???-N-?????????166338-06-3C12H10BrNO2S
(2S,3S)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol (Efinaconazole Impurity)S,S-??????164650-45-7C18H22F2N4O
Boc-Lys(Z)-OH (DCHA)16948-04-2C31H51N3O6
2-Chloro-1,3-bis(2,6-diisopropylphenyl)-1H-imidazol-3-ium chloride, mixt. with cesium fluoride1648825-53-9C27H36Cl2CsFN2
3,9-Dihydroxy-6H-benzo[c]chromen-6-one174023-48-4C13H8O4
1-(4-((4-Butoxybenzylidene)amino)phenyl)ethan-1-one4'-N-???????-4-??????17224-18-9C19H21NO2
2-Chloro-4-methoxypyridin-3-amine3-?????,2-???-4-???-173435-34-2C6H7ClN2O
Tetrakis(ethylmethylamino)zirconium(IV)N-??????, ????(4+) ?175923-04-3C12H32N4Zr
2-Methylimidazo[1,2-a]pyridin-8-ylamine hydrochloride2-??-????[1,2-A]???-8-???,???173159-45-0C8H10ClN3
4,6-Dichloropyrido[3,4-d]pyrimidine171178-48-6C7H3Cl2N3
1-(Methylsulfonyl)spiro[indoline-3,4'-piperidine]1-(?????)???[???-3,4'-????]178261-41-1C13H18N2O2S
5′-Bromo[2,2′-bithiophene]-5-carbonitrile176787-96-5C9H4BrNS2
4-Hydroxy-4-phenyl-1-tert-butoxycarbonylpiperidine1-N-BOC-4-HYDROXY-4-??????172734-33-7C16H23NO3
2,5-Dibromoselenophene2,5-????????1755-36-8C4H2Br2Se
1,3-Diallyltetramethyldisiloxane17955-81-6C10H22OSi2
7-Chloro-3-methylbenzo[b]thiophene17514-68-0C9H7ClS
2-Fluoro-6-phenoxybenzonitrile2-????-6-????????175204-06-5C13H8FNO
4-Hydroxybenzoic acid sec-butyl ester4-????????SEC-??????17696-61-6C11H14O3
Methyl 2-Amino-2-(1-Boc-4-piperidyl)acetate??2-???-2-(1-Boc-4-????)?????177948-33-3C13H24N2O4
Tris(Trimethylsiloxy)chlorosilane17905-99-6C9H27ClO3Si4
1,1',1'',1'''-((((2-Hydroxypropyl)azanediyl)bis(ethane-2,1-diyl))bis(azanetriyl))tetrakis(propan-2-ol)N,N,N',N”,N”-PENTAKIS(2-HYDROXYPROPYL)?????????17121-34-5C19H43N3O5
5-(Trifluoromethyl)furan-2-carbaldehyde5-(????????)-2-??????17515-80-9C6H3F3O2
3,4-Dichlorothiophene3,4-???????17249-76-2C4H2Cl2S
tert-Butoxydiphenylchlorosilane (stabilized with CaCO3)17922-24-6C16H19ClOSi
(6R,7R)-3-(Acetoxymethyl)-7-((Z)-2-(2-((((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefotaxime Impurity)175032-97-0C30H30N10O12S4
1-(5-Chloro-2-((4-methoxybenzyl)amino)phenyl)-2,2,2-trifluoroethan-1-one4-???-N-(4-?????)-2-(?????????)???173676-54-5C16H13ClF3NO2
(3-Acryloxypropyl)Methylbis(trimethylsiloxy)-silane177617-17-3C13H30O4Si3
(7aR)-7a-Methyl-2,3,6,7-tetrahydroindene-1,5-dione17553-89-8C10H12O2
Triallyl1,3,5-Benzenetricarboxylate17832-16-5C18H18O6
Dodecylcyclohexane1795-17-1C18H36
1-Methyl-3-octyl-1H-imidazol-3-ium Bis((trifluoromethyl)sulfonyl)amide3-METHYL-1-OCTYLIMIDAZOLIUMBIS(TRIFLUOROMETHYLSULFONYL)???178631-04-4C14H23F6N3O4S2
1-(3,4-Dimethylphenyl)propan-1-one3-4-?????????17283-12-4C11H14O
2-(1H-Pyrrolo[3,2-c]pyridin-3-yl)ethanamine1H-???[3,2-c]???-3-????1778-74-1C9H11N3
(2S,3S,4R,5S)-5-((Benzoyloxy)methyl)-3-hydroxytetrahydrofuran-2,4-diyl dibenzoate1,3,5-TRI-O-BENZOYL-ALPHA-L-??????171866-30-1C26H22O8
4-(2-Bromoethyl)-1,2-difluorobenzene4-(2-?????)-1,2-???????175018-77-6C8H7BrF2
Phthalide,4-methoxy-5-methyl-6-[(3-methyl-2-butenyl)oxy]-17811-32-4C15H18O4
2-(Dibenzylamino)acetic acid(??????)????17360-47-3C16H17NO2
Deca-1,9-diyne1720-38-3C10H14
1-Methylcyclopentyl methacrylate(stabilizedwithMEHQ)178889-45-7C10H16O2
Ethyl 2-cyano-3,3-bis(methylthio)acrylate3,3-??(????)-2-?????????????17823-58-4C8H11NO2S2
Tetrakis(2-Hydroxyethoxy)silane17622-94-5C8H20O8Si
2-Amino-3-(4-methoxyphenyl)propan-1-olb-???-4-?????????176035-15-7C10H15NO2
2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)butanoic acidFMOC-DL-2-???????174879-28-8C19H19NO4
N-methyl-1-(4-morpholinophenyl)methanamineN-??-N-(4-????-4-???)??179328-22-4C12H18N2O
Methyl 2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylate7-?????????,1,2,3,4-??????-2,4-???-,??????174074-88-5C10H8N2O4
(2S,3R,4S,5R,6R)-2-(((2R,3S,4R,5R,6S)-6-(4-Aminophenoxy)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol17691-02-0C18H27NO11
4-Bromo-5-(bromomethyl)-2-methylthiazole1799412-37-5C5H5Br2NS
tert-Butyl (3-acetylpyrazin-2-yl)carbamate1799412-29-5C11H15N3O3
rel-(6R,7R)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)-7-benzothiazolol1798014-87-5C10H17N3OS
5-Amino-2-((3-carboxy-4-hydroxyphenyl)amino)benzoic acid (Mesalazine/Mesalamine Impurity)1797983-23-3C14H12N2O5
2-(Cyclopentyloxy)ethan-1-ol2-(????????)???1819-34-7C7H14O2
Azido-PEG4-azide1,14-????-3,6,9,12-??????????182760-73-2C10H20N6O4
Benzo[d]isoxazol-3-ylmethanol3-?????????[D]????181144-26-3C8H7NO2
3-Morpholinobenzamide3-?????????183557-81-5C11H14N2O2
N2-[(1,2,3,4-Tetrahydro-3-methyl-8-quinolinyl)sulfonyl]-L-arginine (Argatroban Impurity）184043-01-4C16H25N5O4S
1,5-Naphthyridin-2-amine[1,5]-?????-2-???17965-80-9C8H7N3
2-((Trimethylsilyl)oxy)ethyl acrylate18269-99-3C8H16O3Si
Methyl 5-(benzo[d][1,3]dioxol-5-yl)picolinate1799412-38-6C14H11NO4
(Methacryloxymethyl)Bis(trimethylsiloxy)-methylsilane18166-40-0C12H28O4Si3
17α-Dutasteride1796930-46-5C27H30F6N2O2
(1R,2S)-rel-2-Aminocyclopentanecarboxylic acid hydrochloride18414-30-7C6H11NO2.ClH
Trimethylsilylmethanethiol18165-76-9C4H12SSi
Titanium(III) chloride tetrahydrofuran complex (1:3)18039-90-2C12H24Cl3O3Ti
(2-Amino-5-chlorophenyl)(phenyl)methanone oxime2-???-5-?????????18097-52-4C13H11ClN2O
N-(1-((2R,3R,4R,5R)-5-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxy-3-(2-methoxyethoxy)tetrahydrofuran-2-yl)-5-methyl-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide182496-01-1C41H43N3O9
9-(4-Bromobutyl)-9H-fluorene-9-carboxylic acid9H-????-9-?????,9-(4-?????)-182438-97-7C18H17BrO2
tert-Butyl N-[(3S,4S)-3-aminooxan-4-yl]carbamate1802334-66-2C10H20N2O3
(3S,4S)-Methyl 1-benzyl-4-methylpyrrolidine-3-carboxylate1-??-4-??-????-3-???????????181114-98-7C14H19NO2
Biotin-PEG6-Mal1808990-66-0C31H51N5O11S
1-(1H-Benzo[d][1,2,3]triazol-1-yl)-2,2,2-trifluoroethanone1-(????????)?????????183266-61-7C8H4F3N3O
(S)-3-(2-Amino-2-oxoethyl)-5-methylhexanoic Acid (Pregabalin Impurity）181289-34-9C9H17NO3
1,3-Dimethyl-2-thioxo-4-imidazolidinone1,3-???-2-??????1801-62-3C5H8N2OS
2,3-Dicyano-6-nitronaphthalene2,3-????-6-???????184026-06-0C12H5N3O2
n'-(2-Cyanoisonicotinoyl)isonicotinohydrazonamide1841081-71-7C13H10N6O
Methyl (trimethylsilyl)carbamate18147-09-6C5H13NO2Si
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