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Shanghai Haohong Scientific Co., Ltd.??? ?? ??? ?????.

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39984
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Empagliflozin Impurity 268501009-13-8C7H3Br2ClO2
Rosuvastatin Impurity 122404958-68-5C10H19ClO4
Lipoic Acid Impurity 1746236-19-5C9H16O2S2
2-Thiomorpholinoethanamine4-(2-?????)??????53515-36-9C6H14N2S
(2-Isopropylphenyl)hydrazine hydrochloride2-??????????????58928-82-8C9H15ClN2
5-(Trifluoromethyl)furan-2-carboxylic acid5-(????????)-2-????,9756286-73-8C6H3F3O3
1-[(3aS,8aS)-Tetrahydro-2,2-dimethyl-4,4,8,8-tetraphenyl-1,3-dioxolo[4,5-e][1,3,2]dioxaphosphepin-6-yl]pyrrolidine582298-51-9C35H36NO4P
2,6-Diethylnaphthalene26-???????9759919-41-4C14H16
(1R)-1-Cyclopropylethanamine(R)-1-(????????)??6240-96-6C5H11N
Ethyl 2-(2-chlorophenyl)-2-oxoacetate??2-???????????62123-75-5C10H9ClO3
N,2-Diethyl-2-isopropyl-3-methylbutanamideN,2-???-2-(?????)-3-????????51115-70-9C12H25NO
Imidafenacin Impurity 6?????????(N-(3-CarbaMoyl-3,3-Diphenylprofile)-OxaMicAcid)503598-07-0C18H18N2O4
Upadacitinib Impurity 24406-11-1C5H6F6N2O
Metaraminol Impurity 5447017-04-9C16H19NO2
Calcium Dobesilate Impurity 4???4444-23-9C6H6O8S2
1-Methylpyrrolidine-2,3-dione1-??-2,3-??????42599-26-8C5H7NO2
Nimodipine Impurity 1185677-95-8C18H20N2O7
(αS)-α-Methylbenzenemethanesulfonic acid(-)-1-???????86963-38-4C8H10O3S
Polaprezinc Impurity 27389-97-1C17H16N4O5
1-(Methoxymethyl)cyclopropane-1-carboxylic acid1-(?????)???????????67567-55-9C6H10O3
Indobufen Impurity 14??2-(4-?????)??????6973-78-0C12H15NO4
(R)-4-Amino-5-phenylpentanoic acid63328-06-3C11H15NO2
7-Nitro-3,4-dihydro-2H-benzo[b][1,4]dioxepine7-???-3,4-????-2H-1,5-??????78288-94-5C9H9NO4
Pemetrexed Impurity 41778-29-0C11H14O3S
3-Ethoxyisonicotinonitrile78790-86-0C8H8N2O
2-[(2,6-Dichlorophenyl)amino]-α-oxobenzeneacetic acid66156-75-0C14H9Cl2NO3
Verapamil Ep Impurity H67018-83-1C26H36N2O4
Piracetam Impurity 177060-52-8C8H12N2O
D-Xylo-[2]Hexulosonic Acid Methyl Ester2-??-D-?????????67776-07-2C7H12O7
5,6,7,8-Tetrahydro-imidazo[1,2-a]pyrazine DiHCl735266-95-2C6H10ClN3
Methotrexate Impurity 3865148-64-3C22H26N8O5
2,3,4,6-Tetra-O-acetyl-β-D-mannopyranosyl azide65864-60-0C14H19N3O9
Nintedanib Impurity 7678466-25-8C9H8Cl2N2O3
Decitabine Impurity 369304-65-0C7H14N4O4
Dyclonine80840-88-6C9H20ClN
(E)-Pent-3-en-1-ol??-3-??764-37-4C5H10O
8-Chloroquinazoline8-???-????7557-04-2C8H5ClN2
3-Ethyl-1-methyl-1H-imidazol-3-ium (S)-2-hydroxypropanoate1-??-3-???????L-(+)-???878132-19-5C9H16N2O3
6-Bromo-4,8-dichloroquinoline-3-carbonitrile6-???-4,8-??????-???-3-?????886362-77-2C10H3BrCl2N2
(1R,2R)-2-(1-Pyrrolidinyl)cyclohexanamine(1R,2R)2-(1-?????)-????????885677-92-9C10H20N2
4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazine-1-carbaldehyde hydrochloride84050-21-5C19H25N5O4
Irinotecan Impurity 521026078-50-1C11H20N2O2
Baclofen Impurity 8103857-58-5C11H11ClO4
2-(Pyrrolidin-1-ylmethyl)piperidine2-????-1-???-????100158-63-2C10H20N2
N-OctylacrylamideN-????????10124-68-2C11H21NO
N-Benzyloxetan-3-amineN-?????-3-??1015937-48-0C10H13NO
tert-butyl 4-(4-amino-3-(trifluoromethyl)benzyl)piperazine-1-carboxylate4-(4-Boc-????-1-?-??)-2-???????????859027-30-8C17H24F3N3O2
Carbidopa Ep Impurity C84488-77-7C11H16N2O4
Progesterone Impurity 3388128-61-4C23H34O4
((3aR,6R,7S,7aS)-6,7-Dihydroxy-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-6-yl)methyl sulfamate2,3-??????????????851957-35-2C9H17NO8S
4-Bromo-6-methoxyquinoline-3-carboxylic acid4-BroMo-6-??????-3-?????872714-51-7C11H8BrNO3
2-(3,4-Dichlorophenyl)acetamide868697-78-3C8H7Cl2NO
1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 3-[[2-[[[[2-[[2-carboxy-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-en-3-yl]thio]ethyl]amino]methylene]amino]ethyl]thio]-6-(1-hydroxyethyl)-7-oxo-, [5R-[3[5R*,6S*(R*)],5α,6α(R*)]]-85604-01-9C23H30N4O8S2
Meropenem Impurity 4104873-15-6C17H18N2O7
6-(Trifluoromethoxy)-1H-indole-2-carboxylic acid6-(?????????)-1H-??-2-?????923259-70-5C10H6F3NO3
4-(Phenanthren-9-Yl)-N-phenylaniline936916-08-4C26H19N
2H-1-Benzopyran-2-methanol, α,α'-[iminobis(methylene)]bis[6-fluoro-3,4-dihydro-, hydrochloride (1:1), (αR,α'R,2S,2'S)-920275-19-0
Mizolastine Impurity 9935860-12-1C25H27FN6O
Carboxy Terbinafine??????????99473-14-0C21H23NO2
4-Benzofurancarbaldehyde4-????????????(9CI)95333-13-4C9H6O2
Clotrimazole Impurity 7???????968-39-8C21H20O
3,5-Diaminobenzohydrazide3,5-????????????98335-17-2C7H10N4O
Olopatadine Impurity 13962-95-8C17H22NOP
Procaterol Impurity 994198-40-0C16H22N2O3
Thiamine Impurity 23105070-51-7C24H30N8O2S2
Bis(4-chlorophenyl)phosphine oxide15948-60-4C12H9Cl2OP
4-Bromopyridine-2-sulfonyl chloride1060808-87-8C5H3BrClNO2S
3-Bromo-6-methyl-2-(trifluoromethyl)pyridine1211517-98-4C7H5BrF3N
4-Bromo-5-methoxy-2-methylpyridine4-broMo-5-???-2-?????1256804-48-4C7H8BrNO
m-PEG16-Br1238189-11-1C33H67BrO16
4,5-Dichloropyridazine hydrochloride4,5-???????????1245644-88-5C4H3Cl3N2
tert-Butyl n-(1h-indol-3-yl)carbamate????,1H-??-3-?-,1,1-?????????1199215-71-8C13H16N2O2
Imidazo[1,2-b]pyridazine-3-carbaldehyde????[1,2-b]????-3-????????(9CI)154578-27-5C7H5N3O
Miglitol Impurity 21370331-33-1C8H17NO5
1-(2-Methoxy-2-methylpropyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole1298032-47-9C14H25BN2O3
Milnacipran Impurity 271353644-49-1C15H21NO2
(R)-3-(Benzyloxy)-2-hydroxypropanoic acid130111-08-9C10H12O4
Cycloserine Impurity 9129303-70-4C10H14O3S
Sivelestat Sodium Impurity E127373-95-9C21H24N2O7S
2-Methyl-4-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile15908-63-1C7H7N3OS
trans-(3-Fluorocyclobutyl)methamine hydrochloride1523618-03-2C5H11ClFN
Chlortetracycline Ep Impurity A14297-93-9C22H23ClN2O8
6-Bromo-4-chloroquinoline-3-carboxylic acid6-???-4-???-???-3-?????179024-70-5C10H5BrClNO2
2-(2,2,2-Trifluoroethoxy)pyrimidine-5-boronic acid1401163-85-6C6H6BF3N2O3
80-O16B1624618-02-5C39H78N2O4S4
Alprazolam Impurity 1517387-32-5C15H10Cl3NO2
8-Chloro-2h,3h-[1,4]dioxino[2,3-b]pyridine8-???-2,3-????-[1,4]????[2,3-b]???156840-59-4C7H6ClNO2
2,3,4,9-Tetrahydro-1H-carbazol-1-ol2,3,4,9-??????-1H-???-1-OL1592-62-7C12H13NO
5-amino-1-(3-chloro-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)-1H-pyrazole-4-carbonitrile149978-57-4C11H11ClN6
6-Chloro-3,4-dihydro-2H-[2,7]naphthyridin-1-one1260664-25-2C8H7ClN2O
6-(Trifluoromethoxy)-2-(trifluoromethyl)quinolin-4-ol4-HYDROXY-6-(TRIFLUOROMETHOXY)-2-(TRIFLUOROMETHYL)???125647-79-2C11H5F6NO2
6-Bromo-2-methyl-[1,2,4]triazolo[1,5-a]pyrimidine1250444-41-7C6H5BrN4
6-Amino-4-(trifluoromethyl)nicotinonitrile1260382-03-3C7H4F3N3
Ursodeoxycholic Acid Impurity 43108266-90-6C24H40O5
Cyanocobalamin Impurity 87121483-62-3C63H87CoN13O15P
2-Bromo-4-methoxy-6-methylaniline1100394-71-5C8H10BrNO
3,6-Dibromo-7-methylimidazo[1,2-a]pyridine3,6-DIBROMO-7-??????[1,2-A]???,HCL1072944-65-0C8H6Br2N2
5-Chloro-2,3-dihydro-1H-pyrrolo[2,3-c]pyridine1H-???[2,3-c]???,5-???-2,3-?????-1196155-89-1C7H7ClN2
2-Propylaminopyrimidine-5-boronic acid pinacol ester1218791-47-9C13H22BN3O2
2-Chloro-5,6,7,8-tetrahydro-1,7-naphthyridine2-???-5,6,7,8-???????-[1,7]?????1196145-69-3C8H9ClN2
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