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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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Furo[2,3-d]pyrimidin-4-amine186454-70-6C6H5N3O
4-(4-Chlorophenyl)pyrimidine-2-thiol175203-08-4C10H7ClN2S
(S)-2-amino-3-(1H-indol-3-yl)-2-methylpropanoic acid??-??-L-????16709-25-4C12H14N2O2
Bis(2,4-dimethylphenyl)amineN-(2,4-?????)-2,4-???????19616-28-5C16H19N
2-Chloro-7H-pyrimido[5,4-d]pyrimidin-8-one6-???????[5,4-d]????-4(3H)-?189747-31-7C6H3ClN4O
2-((Bis(dimethylamino)methylene)amino)-1,3-dimethyl-4,5-dihydro-1H-imidazol-3-ium chloride202282-59-5C10H22ClN5
Per-6-thio-β-cyclodextrin160661-60-9C42H70O28S7
Diethyl 1-benzylpyrrolidine-2,5-dicarboxylate???1-??????-2,5-???????17740-40-8C17H23NO4
4-Ethoxybiphenyl-4'-boronic acid4-ETHOXYBIPHENYL-4'-???182344-29-2C14H15BO3
tert-Butyl (2-((2-Aminoethyl)amino)ethyl)carbamateN1-BOC-22'-????????193206-49-4C9H21N3O2
Upadacitinib Impurity 51708997-42-5C29H29N5O4S
4-(3-Phenylpropyl)piperidine4-(3-?????)????18495-82-4C14H21N
1-(2,6-Difluorobenzyl)-1h-1,2,3-triazole-4-carbonitrile202003-06-3C10H6F2N4
3-Hydroxy Loratadine183483-15-0C22H23ClN2O3
(S)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)indoline-2-carboxylic acidFMOC-L-INDOLINE-2-?????198560-38-2C24H19NO4
BTZ2F610-2ThBr1887135-96-7C30H37Br2F2N3S2
3,3'-Bis[di(p-tolyl)amino]biphenylN,N,N',N'-?????(4-????)???161485-60-5C40H36N2
Sodium 4-hydroxynaphthalene-2,7-disulfonate20349-39-7C10H9NaO7S2
5-Methyl-2-phenyloxazole-4-carboxylic acid5-??-2-??-1,3-???-4-?????18735-74-5C11H9NO3
3-Vinylbenzaldehyde3-????????19955-99-8C9H8O
2-(2-Thiazolylazo)-p-cresol2-(2-??????)-P-???1823-44-5C10H9N3OS
4-(2H-1,2,3-Triazol-2-yl)benzaldehyde4-(2H-1,2,3-TRIAZOL-2-YL)??????179056-04-3C9H7N3O
(S)-1-tert-Butyl 3-ethyl piperidine-1,3-dicarboxylate1,3-??????????,1-(1,1-?????)3-??????,(3S)-(9CI)191599-51-6C13H23NO4
2,2'-(9H-fluorene-9,9-diyl)diethanol9,9-??(2-??????)????203070-78-4C17H18O2
4-(Dimethylamino)-1-(2,2,2-trifluoroacetyl)pyridin-1-ium 2,2,2-trifluoroacetate181828-01-3C11H10F6N2O3
4-Amino-1-((2R,3S,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one (Lamivudine Impurity)?????????160552-55-6C8H11N3O4S
Ethyl 1-Boc-4-ethyl-4-piperidine carboxylate188792-70-3C15H27NO4
tert-Butyl (2-methoxypyridin-3-yl)carbamatetert-??2-??????-3-???????161117-83-5C11H16N2O3
(S,E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid, sodium salt (Mexiletine Impurity)190078-45-6C35H37ClNNaO3S
PNZ-ONb193269-82-8C17H14N2O7
(3R,4S)-1-(4-chlorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one (Ezetimibe Impurity）1700622-08-7C24H21ClFNO3
Ganciclovir EP Impurity A (Ganciclovir Impurity）1797982-93-4C9H10ClN5O2
N,N'-Bis(2-ethylhexyl)-6,6'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindigo1821433-54-8C44H64B2N2O6
(R)-4-((tert-Butoxycarbonyl)amino)-5-phenylpentanoic acid(R)-4-(BOC-???)-5-?????195867-20-0C16H23NO4
2-Aminodecanoic acid2-???????17702-88-4C10H21NO2
3-(1H-Indol-3-yl)-3-oxopropanenitrile3-(1H-INDOL-3-YL)-3-OXO-???????20356-45-0C11H8N2O
5-Bromothiophene-3-carbonitrile2-???-4-??????18792-00-2C5H2BrNS
4-Hydroxy-3-methylquinolin-2(1H)-one2-????-3-??-4-???1873-59-2C10H9NO2
1,1,3,3-Tetraphenyl-1,3-divinyldisiloxane18769-05-6C28H26OSi2
2-(2-(Propan-2-ylidene)hydrazinyl)isonicotinic acid1620569-20-1C9H11N3O2
2-((4-(5-chloro-6'-methyl-[2,3'-bipyridin]-3-yl)phenyl)sulfonyl)-1-(6-methylpyridin-3-yl)ethan-1-one1817735-82-2C25H20ClN3O3S
(2-Fluoro-5-(trifluoromethyl)phenyl)(phenyl)methanone2-????-5-(????????)????199292-40-5C14H8F4O
Magnesium phthalocyanine1661-03-6C32H16MgN8
(S)-(-)-N,N-Dimethyl-1-phenylethylamine(S)-(-)-N,N-???-1-?????17279-31-1C10H15N
1-Isopropyl-pyrrolidin-3-ylamine dihydrochloride1-?????-????-3-???????19985-09-2C7H17ClN2
tert-Butyl 3-methyl-1,4-diazepane-1-carboxylate194032-35-4C11H22N2O2
Ethyl 2-amino-3-oxobutanoate hydrochloride??2-???-3-???????????20207-16-3C6H11NO3.ClH
1-(2-Amino-4-(trifluoromethyl)thiazol-5-yl)ethanone1-(2-???-4-(????????)???-5-?)???167405-28-9C6H5F3N2OS
4-(3-(Pyridin-4-yl)-1H-1,2,4-triazol-5-yl)picolinamide (Topiroxostat Impurity)1992028-94-0C13H10N6O
1-(2-Chloroethyl)-4-methoxybenzene18217-00-0C9H11ClO
6β-Methylprednisolone6-Α-????????18462-27-6C22H30O5
Methyl 2-(piperazin-1-yl)benzoate2-PIPERAZIN-1-YL-?????????159974-63-7C12H16N2O2
4-(2-Hydroxyethyl)benzaldehyde??????,4-(2-??????)-(9CI)163164-47-4C9H10O2
(4-Ethynylphenyl)methanamine??????,4-???-(9CI)197844-23-8C9H9N
Benzyl (S)-(1-((4-nitrophenyl)amino)-1-oxo-3-phenylpropan-2-yl)carbamate19647-71-3C23H21N3O5
tert-Butyl ((2-(methylsulfonyl)pyrimidin-4-yl)methyl)carbamate1799434-48-2C11H17N3O4S
2-(2,5-Dichlorophenyl)ethan-1-ol2,5-??????????1875-87-2C8H8Cl2O
Acetyltrialanine19245-85-3C11H19N3O5
(2,4-Dinitrophenyl)-L-proline1655-55-6C11H11N3O6
Isopropyl 2-chloro-4-(1-methyl-1H-indol-3-yl)pyrimidine-5-carboxylate1847463-39-1C17H16ClN3O2
Bis(4-methylbenzyl) oxalate??(4-????) ???18241-31-1C18H18O4
Dodec-5-yne5-???19780-12-2C12H22
6-Methyl-2-oxo-4-propyl-1,2-dihydropyridine-3-carbonitrile16232-40-9C10H12N2O
(R)-3-((R)-5-(4-fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one (Ezetimibe Impurity）1612153-32-8C20H20FNO4
TDMAZ: Zr[N(CH3)2]419756-04-8C8H24N4Zr
3-Chloro-5-(trifluoromethyl)picolinaldehyde175277-50-6C7H3ClF3NO
3'-Methoxy-[1,1'-biphenyl]-3-carboxylicacid3'-???-???-3-?????168618-45-9C14H12O3
9-([1,1'-Biphenyl]-3-yl)-9H,9'H-3,3'-bicarbazole1800580-10-2C36H24N2
Rivanicline (fumarate)(E)-N-??-4-(3-????)-3-??-1-???????183288-99-5C14H18N2O4
2-((Z)-2-(2-Aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-2-((2R)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid (Cefixime Impurity)1614255-90-1C16H17N5O8S2
2-Bromo-4,5-dichloro-1H-imidazole2-???-4,5-????-1H-????16076-27-0C3HBrCl2N2
Isobutyric acid phenyl ester????????????20279-29-2C10H12O2
1-(3,4-Dimethoxyphenyl)propan-1-one1-(3,4-??????)-1-????1835-04-7C11H14O3
1,3-Dimethyltetramethoxydisiloxane18186-97-5C6H18O5Si2
tert-Butyl 4-(cyclopropylamino)piperidine-1-carboxylate1-TERT-BUTOXYCARBONYL-4-(?????????)????179557-01-8C13H24N2O2
7-Methoxy-1,2,3,4-tetrahydroquinoline hydrochloride7-???-1,2,3,4-??????-??????19500-62-0C10H14ClNO
2-Chloro-6-methyl-9H-purine2-???-6-??-9H-??1681-19-2C6H5ClN4
Ethyl β-fructofuranoside.??.-D-?????????,??1820-84-4C8H16O6
Dodecan-5-one????(5-)19780-10-0C12H24O
5-Bromoadamantan-2-one5-???-2-?????20098-20-8C10H13BrO
2,2'-(Oxybis(2,1-ethanediylsulfinyl))bisethanol2,2'-(2,2'-????(??-2,1-?????))????167940-02-5C8H18O5S2
N-(2,4-Dimethylphenyl)thiourea16738-20-8C9H12N2S
N-((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine oxide (Tofacitinib Impurity）2028267-73-2C16H20N6O2
Non-3-yne3-???20184-89-8C9H16
4-Chloro-8-fluoro-2-methylquinoline4-???-8-????-2-?????18615-59-3C10H7ClFN
Nonyltrimethylammonium (bromide)??????????????1943-11-9C12H28BrN
4-Methyl-1,4-diazepan-5-one172314-56-6C6H12N2O
3-Hydroxytetradecanoic acidR-(3)-??????????1961-72-4C14H28O3
2-Amino-6-fluorobenzylamine175277-93-7C7H9FN2
2,2'-(Propane-1,3-diylbis(sulfanediyl))diethanol3,7-???-1,9-????16260-48-3C7H16O2S2
2-Methyl-1,3,4,14b-tetrahydrobenzo[c]pyrazino[1,2-a]pyrido[3,2-f]azepin-10(2H)-one10-???????(????????F)191546-97-1C17H17N3O
Dipyridamole tripiperidine???????????16982-40-4C25H40N8O2
(2S)-2-Amino-3-(3-hydroxy-2-oxoindolin-3-yl)propanoic acid (Tryptophan Impurity)??????-L-???184955-21-3C11H12N2O4
(2R,3R,4R,5R)-2-(4-Chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-5-((R)-1,2-dihydroxyethyl)tetrahydrofuran-3,4-diol (Empagliflozin Impurity）1620758-31-7C23H27ClO7
4,4'-(2,2-Bis(4-bromophenyl)ethene-1,1-diyl)diphenol2029185-29-1C26H18Br2O2
N6-(tert-butoxycarbonyl)-N2-tosyl-L-lysine??-??(BOC)-OH16948-09-7C18H28N2O6S
2-Hexyloctan-1-ol2-??-1-???19780-79-1C14H30O
1,1'-Biphenyl, 2,3-Dichloro-16605-91-7C12H8Cl2
Dibutyldimethoxysilane18132-63-3C10H24O2Si
2-Hydroxy-5-chlorosulfonylbenzoic acid5-??????-2-?????????17243-13-9C7H5ClO5S
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