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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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4,4'-Diamyloxybiphenyl4,4'-DI-N-??????21470-41-7C22H30O2
Allyl dimethylcarbamodithioate????????????????20821-66-3C6H11NS2
3-chloro-4,5-dimethoxypyridazine3-???-4,5-?????????2096-22-2C6H7ClN2O2
(1-Tosyl-1H-pyrrolo[2,3-b]pyridin-2-yl)boronic acid2096334-98-2C14H13BN2O4S
(E)-(4-(2-Nitrovinyl)phenyl)boronic acidTRANS-4-(??-?????)?????216394-04-6C8H8BNO4
(R)-2-((tert-butoxycarbonyl)amino)-3-(3,4-dimethoxyphenyl)propanoic acid218457-71-7C16H23NO6
5-Fluoroorotic acid (hydrate)5-?????????????207291-81-4C5H5FN2O5
tert-Butyl ((3S,4S)-3-Methyl-2-oxa-8-azaspiro[4.5]decan-4-yl)carbamate2098564-18-0C14H26N2O3
(4-(tert-Butyl)phenethyl)trichlorosilane211925-40-5C12H17Cl3Si
Dapagliflozin Impurity 1974,4”-??????2132-59-4C18H18O4
6-(4-Chlorophenyl)pyridazin-3(2H)-one6-(4-?????)-3(2H)?????2166-13-4C10H7ClN2O
Vortioxetine Impurity 262137588-68-0C18H22N2S
(Z)-11-tetradecen-1-ylacetate??-11-?????-1-? ????20711-10-8C16H30O2
1H-1,2,4-Triazole-3-carbohydrazide1H-[1,2,4]????-3-??????????21732-98-9C3H5N5O
N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-(2,3-bis(palmitoyloxy)propyl)-L-cysteine210532-98-2C53H83NO8S
(Difluoromethyl)bis(2,5-dimethylphenyl)sulfonium tetrafluoroborate2133476-51-2C17H19BF6S
2-(Phenylsulfonyl)ethanol20611-21-6C8H10O3S
4-Acetamidophenacyl bromide21675-02-5C10H10BrNO2
1,3-Dimethyl-8-nitro-1H-purine-2,6(3H,9H)-dione2099-73-2C7H7N5O4
S-Butyrylthiocholine (chloride)22026-63-7C9H20ClNOS
4-Chloro-5-nitro-1H-pyrrolo[2,3-d]pyrimidine4-???-5-???-7H-???[2,3-d]????22277-01-6C6H3ClN4O2
(S)-2-((6-(3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)-4-fluorobenzonitrile (Trelagliptin Impurity）2206135-35-3C18H20FN5O2
N-(3-(1H-imidazol-1-yl)-5-(trifluoromethyl)phenyl)-4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)benzamide (Nilotinib Impurity）2119583-26-3C27H20F3N7O
(R)-2-(4-chlorophenyl)oxirane21019-51-2C8H7ClO
(2S,5S)-ethyl 5-((benzyloxy)amino)piperidine-2-carboxylate (Avibactam Impurity）2085372-13-8C15H22N2O3
2-(3,4-Dimethylbenzoyl)benzoic acid2-(3,4-??????)???2159-42-4C16H14O3
2-Fluoro-5-(trifluoromethyl)benzamide207919-05-9C8H5F4NO
N-[[4-[trifluoromethyl]-3-pyridinyl]carbonyl]-glycine207502-65-6C9H7F3N2O3
2,3-Dimethyl-2H-indazol-5-amine5-???-2,3-???-2H-???221681-94-3C9H11N3
2-(7-Hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl propionate (Beclomethasone Dipropionate Impurity)?????9,11-????????????205105-83-5C25H32O6
7-Benzofuranmethanol7-???????????209256-55-3C9H8O2
(R)-2,2'-Dimethoxy-3,3'-diphenyl-1,1'-binaphthaleneR-2,2'-????-3,3'-???-1,1'-?????219757-68-3C34H26O2
1-Phenylpiperidine-4-carboxylic acid hydrochloride1-??????-4-????????209005-67-4C12H16ClNO2
3-Chlorobenzo[b]thiophene-2-carboxamide3-?????[B]???-2-??????21211-09-6C9H6ClNOS
(1-Methyl-1H-1,2,4-triazol-3-yl)methanamine hydrochloride215871-44-6C4H9ClN4
2,3-Bis(2,4,5-trimethyl-3-thienyl)maleimide2,3-??(2,4,5-????-3-???)?????220191-36-6C18H19NO2S2
Ethyl3-oxo-3-(thiazol-2-yl)propanoate??3-??-3-???-2-?-???????212621-63-1C8H9NO3S
Palladium(II) (E)-2-(2-oxidobenzylidene)hydrazine-1-carbimidothioate hydrochloride219954-63-9C8H9Cl2N3OPdS
2-((4-Bromophenoxy)methyl)oxirane2-[(4-??????)??]???2212-06-8C9H9BrO2
2-Hydrazinyl-6-methyl-4-(trifluoromethyl)pyridine6-??-4-(????????)???-2-??????22123-09-7C7H8F3N3
1-(9H-Fluoren-9-ylmethyl) hydrogen N-[(1,1-dimethylethoxy)carbonyl]-D-aspartate214630-04-3C23H25NO6
(1-(tert-Butoxycarbonyl)-1H-indol-4-yl)boronic acid2102451-30-7C13H16BNO4
(tert-butylimino)tris(diethylamino)niobium???(N-????????)[2-??-2-??????(2-)]-???210363-27-2C16H39N4Nb
Propargyl-PEG9-OH2055022-35-8C21H40O10
Propargyl-O-(PEG)n-bromide2055105-25-2C29H55BrO13
2-Amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-8-methoxy-3H-purin-6(9H)-one (Entecavir Impurity)2203740-23-0C13H17N5O4
4-(2-Naphthyl)-1,3-thiazol-2-amine2-???-4-(2-???)???21331-43-1C13H10N2S
(6S,7R)-2-Amino-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-7-ol (Pramipexole Impurity）2166216-34-6C10H17N3OS
Brexpiprazole Impurity 552116542-22-2C13H14ClNO2
(S)-2-((S)-2-Oxo-4-propylpyrrolidin-1-yl)butanoic Acid2165431-90-1C11H19NO3
((2r,3s,4r,5r)-5-(6-Amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl acetate5'-O-???????2140-25-2C12H15N5O5
4,6-dichloro-7-methoxyquinazoline (Gefitinib Impurity）4,6-????-7-???????205584-69-6C9H6Cl2N2O
(2S,4S)-4-Methoxy-2-(methoxycarbonyl)pyrrolidine-1-carboxylic acid tert-butyl ester215918-38-0C12H21NO5
5-(4-Hydroxyphenyl)pyrrolidin-2-one207989-87-5C10H11NO2
Pazopanib Impurity 92095544-42-4C42H43N13O4S2
4,4'-(Cyclopent-1-ene-1,2-diyl)bis(5-methylthiophene-2-carbaldehydE)219537-99-2C17H16O2S2
tert-Butyl (5S)-5-amino-3,3-difluoropiperidine-1-carboxylate2055848-76-3C10H18F2N2O2
Dicyclohexylamine (R)-2-((tert-butoxycarbonyl)amino)-3-(1-tosyl-1H-imidazol-4-yl)propanoate210694-29-4C30H46N4O6S
(2S,3S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxy-4-phenylbutanoic acid210754-59-9C25H23NO5
Ethyl 3-(dimethylamino)-2-(4-methoxyphenyl)propanoate hydrochloride2174001-92-2C14H22ClNO3
10-Chloronaphtho[1,2-b]benzofuran2103931-83-3C16H9ClO
4-(Trimethylsilyl)benzaldehyde4-????????????2199-32-8C10H14OSi
4,4-Dimethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-2-en-1-one4,4-(?????????-2-??)-2-???,???????219489-09-5C14H23BO3
Esmolol Impurity 142167848-51-1C12H14O4
2-Fluoro-5-iodo-3-methylpyridine205245-17-6C6H5FIN
N-Benzylguanidine2211-57-6C8H11N3
3-aminobenzene-1,2-diol3-???-1,2-????20734-66-1C6H7NO2
11,12-Diphenyl-11,12-dihydroindolo[2,3-a]carbazole11,12-?????-11,12-??????[2,3-a]????222044-88-4C30H20N2
5-(5-(Ethoxycarbonyl)-4-methylthiazol-2-yl)-2-isobutoxybenzoic acid2095166-41-7C18H21NO5S
4-(Piperazin-1-ylmethyl)benzoic acid4-(????-1-???)???220213-15-0C12H16N2O2
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-((1-methyl-1H-indol-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triol207598-26-3C15H19NO6
4-(Furan-2-yl)pyrimidin-2-amine4-??-2-?-????-2-???206564-00-3C8H7N3O
2-Fluoro-1-phenylpropan-1-one2'-??????????21120-36-5C9H9FO
Methyl 5-amino-4-cyanopyrazole-1-carboxylate??5-a??-4-???-1H-???-1-???????220131-57-7C6H6N4O2
Fmoc-α-Me-D-Trp(Boc)-OH220155-72-6C32H32N2O6
4-Chloro-5-iodo-7-propan-2-ylpyrrolo[2,3-d]pyrimidine213744-81-1C9H9ClIN3
(4-(n-(Tert-butyl)sulfamoyl)phenyl)boronic acid208516-15-8C10H16BNO4S
Proponal5,5-DI-N-?????????2217-08-5C10H16N2O3
9-(4'-Chloro-[1,1'-biphenyl]-3-yl)-9H-carbazole2148296-04-0C24H16ClN
5-(5-(3,5-dimethylpiperazine-1-carbonothioyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione (Sildenafil Impurity）2146091-79-2C24H32N6OS2
4-(N-(Butylcarbamoyl)sulfamoyl)benzoic acid??????????2224-10-4C12H16N2O5S
tert-Butyl 4-(6-nitropyridin-2-yl)piperazine-1-carboxylate2222404-53-5C14H20N4O4
3,9-Bis(3-aminopropyl)-2,4,8,10-tetraoxaspiro[5.5]undecane3,9-BIS(3-??????)-2,4,8,10-????????[5.5]???21587-74-6C13H26N2O4
2-Methylnaphtho[2,3-d]oxazole2-?????[2,3-D]???20686-66-2C12H9NO
4-Diethylamino-1,1,1-trifluorobut-3-en-2-one21045-62-5C8H12F3NO
tert-Butyl 3-(piperazin-1-yl)azetidine-1-carboxylate dihydrochloride2061980-49-0C12H24ClN3O2
Gadobutrol Impurity 156220182-11-6C10H20N4O
Boc-NH-PEG7-azide206265-96-5C21H42N4O9
N-((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol- 3-yl)methyl)-N-methylaspartic acid (Vonoprazan Impurity）2170020-79-6C21H20FN3O6S
Landiolol Impurity 232180628-04-8C15H20O5
(R)-3-(4-(2-Chloro-5-iodobenzyl)phenoxy)tetrahydrofuran (Empagliflozin Impurity）2194590-02-6C17H16ClIO2
N-(9,9-Dimethyl-9H-fluoren-2-yl)dibenzo[b,d]furan-1-amine2225845-23-6C27H21NO
1-(2-Fluoro-5-(trifluoromethyl)phenyl)propan-1-one2'-FLUORO-5'-(TRIFLUOROMETHYL)??????207974-18-3C10H8F4O
(5-Bromopyridin-2-yl)(phenyl)methanone(5-???-???-2-?)-??-???206357-52-0C12H8BrNO
(E)-3-(2,3-Dichlorophenyl)acrylic acid20595-44-2C9H6Cl2O2
5-(2-Fluorophenyl)-N-methyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carboxamide2054536-04-6C17H14FN3O3S
[2′-(Amino-κN)[1,1′-biphenyl]-2-yl-κC]chloro[2′-(dicyclohexylphosphino-κP)-N,N-dimethyl[1,1′-biphenyl]-2-amine]palladium2195390-17-9C38H46ClN2PPd
IDPC / IDT-IC / IDTI2095504-33-7C90H82N4O2S2
N,N-dipropylanilineN,N-DI-N-????2217-07-4C12H19N
Bisoprolol Impurity 272226263-68-7C18H31NO4
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