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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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?? ????

1-Methyl-3-phenyl-1H-pyrazole-5-carbaldehyde1-??-3-??-1H-???-5-??????864068-96-2C11H10N2O
Methyl 2-(4-formylphenoxy)acetate??(4-??????)?????73620-18-5C10H10O4
Boc-Ser(PO3Bzl2)-OHBOC-O-DIBENZYLPHOSPHO-L-??90013-45-9C22H28NO8P
2-Chloro-7-methylquinoxaline????,2-???-7-??-90272-84-7C9H7ClN2
4-Chlorophenyl phosphorodichloridate????????????????(4-)772-79-2C6H4Cl3O2P
N2,N4,N6-trichloro-1,3,5-triazine-2,4,6-triamine7673-09-8C3H3Cl3N6
4-((3-Chloro-2-fluorophenyl)amino)-7-methoxyquinazolin-6-yl acetate740081-22-5C17H13ClFN3O3
Boc-MeTyr-OH82038-34-4C15H21NO5
(S)-1-(6-Benzamido-9H-purin-9-yl)-3-(bis(4-methoxyphenyl)(phenyl)methoxy)propan-2-yl (2-cyanoethyl) diisopropylphosphoramidite851050-24-3C45H50N7O6P
3-Bromo-2-chloro-4-iodopyridine3-???-2-???-4-IODOPYRIDINE884494-53-5C5H2BrClIN
4-Methoxy-2,3,6-trimethylbenzene-1-sulfonyl chloride80745-07-9C10H13ClO3S
(S)-Methyl 2-amino-2-methylbutanoate hydrochloride(S)-2-???-2-??-?????????????92760-72-0C6H14ClNO2
5-Fluoro-2-methylphenylacetonitrile5-????-2-????????80141-97-5C9H8FN
1-((tert-Butyldimethylsilyl)oxy)butan-2-amine2-???-1-(????????)??811841-81-3C10H25NOSi
3-Bromo-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine3-BROMO-5,6,7,8-???????????[1,2-A]??????954239-19-1C6H8BrN3
Tetrachlorohydroquinone????????????87-87-6C6H2Cl4O2
1-Allyl-3-methylimidazolium tetrafluoroborate1-????-3-??????????????????851606-63-8C7H13BF4N2
4-Bromo-1-chloro-2-(chloromethyl)benzene4-BroMo-1-???-2-(?????)??928758-19-4C7H5BrCl2
(S)-3-Amino-3-(2,4-dichlorophenyl)propanoic acid(S)-3-???-3-(2,4-????-??)-?????757937-66-9C9H9Cl2NO2
(4-(Propoxycarbonyl)phenyl)boronic acid4-?????????????91062-38-3C10H13BO4
4-Bromo-7-methylindoline-2,3-dione4-???-7-?????874375-17-4C9H6BrNO2
(S)-3-Amino-3-(3-fluorophenyl)propanoic acid(S)-3-???-3-(3-????-??)-?????723284-79-5C9H10FNO2
(1H-Indazol-6-yl)methanamine6-????????710943-26-3C8H9N3
5-Chloropyrazine-2-carboxylic acid hydrazide5-??????-2-??????????848952-83-0C5H5ClN4O
1,1'-(4,4'-((((1,1-Dioxido-4H-1,2,4,6-thiatriazine-3,5-diyl)bis(ethane-2,1-diyl))bis(sulfanediyl))bis(methylene))bis(thiazole-4,2-diyl))diguanidine (Famotidine Impurity)?????????B89268-62-2C16H23N11O2S5
(R)-2-amino-3-phenylpropanamide hydrochloride71666-94-9C9H13ClN2O
N-Methyl-2-nitroacetamide (Ranitidine Impurity)N-??-2-?????????72078-82-1C3H6N2O3
O-(Cyclopropylmethyl)Hydroxylamine????????????75647-90-4C4H9NO
4-Chloro-2,3-difluoropyridine4-???-2,3-????????851178-99-9C5H2ClF2N
1,2-Bis(phenylsulfinyl)ethanepalladium(II) acetate1,2-??(?????)?????(II)?????858971-43-4C14H14O2S2.C4H6O4Pd
(E)-3-(4-Nitrophenyl)acrylic acid882-06-4C9H7NO4
Diisopropyl fumarate???????????7283-70-7C10H16O4
2,3,5,6-Tetrafluorothiophenol769-40-4C6H2F4S
3-Chloro-5-methyl-4-pyridinamine97944-42-8C6H7ClN2
(Thiodi-4,1-phenylene)bis(diphenylsulfonium) Bis(hexafluorophosphate)??(4-(???????)??)??????(???????????)74227-35-3C36H28S3.2(F6P)
1-Pyrrolidino-1-cyclopentene1-?????-1-??????7148-07-4C9H15N
5-Amino-2-chloro-N-(2,4-dimethylphenyl)benzenesulfonamide5-???-2-???-N-(2,4-?????)???????71215-81-1C14H15ClN2O2S
(5-Bromo-2-methoxypyridin-3-yl)boronic acid5-???-2-??????-3-???850864-59-4C6H7BBrNO3
Tetrahydrofuran-2-carbaldehyde??????-2-??????????7681-84-7C5H8O2
1-(2-((4,6-Dichloro-2-methylpyrimidin-5-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)ethan-1-one75438-54-9C10H11Cl2N5O
2-Chloro-1-(2-ethoxyethyl)-1H-benzo[d]imidazole1H-??????,2-???-1-(2-?????)87233-54-3C11H13ClN2O
2-(4-Bromo-1H-pyrazol-1-yl)pyrimidine2-(4-BROMO-1H-???-1-YL)????857641-46-4C7H5BrN4
(2S,3R,4S,5S,6R)-2-(Allyloxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol7464-56-4C9H16O6
2-((4-Amino-5-(ethylsulfonyl)-2-methoxybenzamido)methyl)-1-ethylpyrrolidine 1-oxide4-???-N-[(1-??-2-?????)??]-5-(?????)-2-???????N-????71676-01-2C17H27N3O5S
Ethyl 1-methyl-5-sulfamoyl-1h-pyrazole-4-carboxylate5-(??????)-1-??-1H-???-4-????, ?? ???88398-81-6C7H11N3O4S
Quinazolin-8-ol7557-02-0C8H6N2O
(7R,8R,9S,13S,14S)-3,3-dimethoxy-7,13-dimethyl-1,2,3,4,6,7,8,9,11,12,13,14,15,16-tetradecahydro-17H-cyclopenta[a]phenanthren-17-one88247-84-1C21H32O3
Cetirizine methyl ester??????????83881-46-3C22H27ClN2O3
(R)-2-Amino-1,1-diphenylpropan-1-ol78603-93-7C15H17NO
2,4-Dichlorophenyl benzenesulfonate???97-16-5C12H8Cl2O3S
Artemetin acetate??????????95135-98-1C22H22O9
2-(tert-Butylamino)-1-(3-chloro-4-hydroxy-5-(hydroxymethyl)phenyl)ethanone (Salbutamol Impurity)????IMpurityK898542-80-8C13H18ClNO3
2-(2-Nitroethyl)[1,3]dioxolane2-(2-?????)-[1,3]????82891-99-4C5H9NO4
Quin II (potassium)QUIN2,???????73630-23-6C26H28KN3O10
(S)-methyl 3-phenyl-2-(pyrazine-2-carboxamido)propanoate (Bortezomib Impurity）N-??????????????????73058-37-4C15H15N3O3
Oxan-3-ylmethanamine(TETRAHYDRO-2H-PYRAN-3-YL)??????7179-99-9C6H13NO
2-(Phenylthio)Ethyl acrylate???? 2-(????)??95175-38-5C11H12O2S
Imidazo[1,2-b]pyridazine-6-carboxylic acid769109-13-9C7H5N3O2
(Rac)-PF-4136309857679-55-1C29H31F3N6O3
4-Fluoroisoquinoline sulfate4-?????????????906820-09-5C9H8FNO4S
N,9-Diphenyl-9H-carbazol-3-amineN,9-???-9H-????-3-??894791-43-6C24H18N2
5-Bromoquinoline-8-carbaldehyde5-??????-8-???????885267-41-4C10H6BrNO
N-Benzylquinidinium (chloride)77481-82-4C27H31ClN2O2
(S)-3-Amino-3-(4-cyanophenyl)propanoic acid(S)-3-???-3-(4-???-??)-?????718596-77-1C10H10N2O2
6-Methoxy-N2-methylpyridine-2,3-diamine(hydrochloride)6-???-2-?????-3-???????????83732-72-3C7H12ClN3O
2-(1-((Benzyloxy)carbonyl)piperidin-3-yl)acetic acidN-CBZ-3-????????86827-10-3C15H19NO4
β-Carboline-1-propionic acidb-????-1-????89915-39-9C14H12N2O2
4-(Bromomethyl)-4'-methyl-2,2'-bipyridyl4-(?????)-4'-??-2,2'-????81998-05-2C12H11BrN2
4-Bromo-2,7-naphthyridin-1-amine959558-28-2C8H6BrN3
4-Phenyl-3,4-dihydro-2H-benzo[h]chromene???????94305-25-6C19H16O
2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethyl AcetateQuetiapine Acetate844639-07-2C23H27N3O3S
Tetrahydro-2H-pyran-3-carbaldehyde???????-??-3-??????77342-93-9C6H10O2
3-Boc-Amino-4-bromopyridine3-????-4-??????885275-14-9C10H13BrN2O2
[(3-Triethoxysilyl)propyl]succinic Anhydride3-(???????)?????????93642-68-3C13H24O6Si
2,3-Dichlorobenzothioamide2,3-????-??????84863-83-2C7H5Cl2NS
Lipoic Acid Impurity A728854-75-9C10H20N2OS2
1-(2,3-Dichlorophenyl)-N-methylmethanamine(2,3-??????)????731827-07-9C8H9Cl2N
2-(4-(Benzyloxy)phenyl)acetonitrile4-????????????838-96-0C15H13NO
3-(Triisopropoxysilyl)propyl methacrylate(??? -2- ???) ?? ??? 2- ?? ?? ? -2- ?? ???80750-05-6C16H32O5Si
4-(N-Ethylaminocarbonyl)phenylboronic acid4-(N-?????????)?????850568-12-6C9H12BNO3
2-(Pyrimidin-5-yl)ethanol5-???????875251-47-1C6H8N2O
Dimethoxydi-p-tolylsilaneDI(P-TOLYL)??????92779-72-1C16H20O2Si
3-butyl-1-vinyl-1H-imidazol-3-ium hexafluorophosphate(V)1-??-3-??????????????????915358-85-9C9H15F6N2P
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-((2-ethoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefixime Impurity)79368-95-9C18H19N5O7S2
2-Methyl-3-nitro-N,N-dipropylbenzeneethanamineN,N-????-2-??-3-?????????91374-23-1C15H24N2O2
1-(2-Bromoethyl)-4-methylpiperazine????,1-(2-?????)-4-??-(8CI)801152-34-1C7H15BrN2
(trans,trans)-4-Pentyl-4'-propyl-1,1'-bi(cyclohexane)???,???-4"-??-4-???-???????92263-41-7C20H38
2-Bromo-6-methyl-4-nitropyridine2-???-6-??-4-??????97944-46-2C6H5BrN2O2
4-Methyl-4'-vinyl-2,2'-bipyridine4-??-4'-??-2,2'-????74173-48-1C13H12N2
(R)-Benzyl 2-amino-3-(4-hydroxyphenyl)propanoate 4-methylbenzenesulfonateD-???-OBZLP-?????97984-63-9C23H25NO6S
1-Butyl-3-methyl-1H-imidazol-3-ium trifluoro(trifluoromethyl)borate1-??-3-?????????????(????????)????741677-68-9C9H15BF6N2
2,2,5,5-Tetramethylcyclohexane-1,4-dione86838-54-2C10H16O2
5-(Trimethylsilyl)thiazole5-?????????79265-36-4C6H11NSSi
(R)-6-(Benzyloxy)-8-(oxiran-2-yl)-2H-benzo[b][1,4]oxazin-3(4H)-one869478-12-6C17H15NO4
5-chloro-4-methylpentanoyl chloride (Apixaban Impurity）813452-05-0C6H10Cl2O
10-Oxo-Deacetyl Bacatin III92950-45-3C29H34O10
2-Ethyl-4,5-dimethylthiazole2-??-4,5-???-1,3-???873-64-3C7H11NS
3-(Thiophen-2-yl)-1h-pyrazol-5-amine5-??-2-?-1H-???-3-??96799-03-0C7H7N3S
1-Cyclopropyl-6-fluoro-7-(4-formylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid93594-39-9C18H18FN3O4
4-Bromo-2-chlorothiazole4-???-2-??????92977-45-2C3HBrClNS
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