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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39990
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Copper(Ⅱ) formate tetrahydrate5893-61-8C2H10CuO8
Methyl 2-fluoro-3-formylbenzoate1262419-96-4C9H7FO3
4-Bromo-2-propoxybenzaldehyde4-BroMo-2-??????????1094555-01-7C10H11BrO2
3-Bromo-5-chlorobenzamide3-???-5-???????933671-77-3C7H5BrClNO
Methyl 6-bromo-3-chloro-2-fluorobenzoate1505850-20-3C8H5BrClFO2
(6-Chloro-2-methylpyridin-3-yl)methanol(6-???-2-?????-3-?)???1093879-95-8C7H8ClNO
6-Chloro-5-methoxynicotinaldehyde1060801-67-3C7H6ClNO2
(2-Chloro-6-trifluoromethyl-pyridin-4-yl)-methanol2-???-6-(????????)-4-??????1196157-41-1C7H5ClF3NO
3-Fluoro-5-morpholino-1-bromobenzene4-(3-???-5-??????)????1129541-62-3C10H11BrFNO
4-Trifluoromethyl thioanisole4-?????????????329-14-6C8H7F3S
2-[(5-Bromo-2-pyridinyl)oxy]oxy]-ethanol2-(5-??????-2-???)???212961-31-4C7H8BrNO2
4-Bromo-2-piperidinopyridine????,1-(4-BROMO-2-PYRIDYL)-24255-98-9C10H13BrN2
4-Bromo-1-butyl-1H-pyrazole957062-61-2C7H11BrN2
N-(5-Methylpyridin-2-yl)pivalamideN-(5-?????-2-?)?????86847-78-1C11H16N2O
2-Propoxynicotinaldehyde2-PROPOXY-???-3-??????885278-12-6C9H11NO2
6-Ethoxypicolinic acid6-??????-2-?????42955-22-6C8H9NO3
3-(4-Nitrophenyl)pyridine3-(4-?????)???4282-46-6C11H8N2O2
6-(4-Formylphenyl)nicotinaldehyde4-(5-??????-2-?)??????885950-11-8C13H9NO2
5,6-Dimethyl-3-pyridinecarboxaldehyde5,6-??????????1174028-17-1C8H9NO
2-Fluoro-3-formyl-4-picoline609771-39-3C7H6FNO
5-Bromo-2-(pyrrolindin-1-ylcarbonyl)pyridine742085-70-7C10H11BrN2O
Ethyl [1,1'-biphenyl]-2-carboxylate?????-2-???????19926-49-9C15H14O2
Ethyl 4-methylthiophene-2-carboxylate4-??-???-2-???????????14282-79-2C8H10O2S
3-Formyl-5-methylbenzoic acid3-??-5-?????4481-27-0C9H8O3
3,6-Difluoro-2-methoxybenzoic acid3,6-?????-2-??????887267-03-0C8H6F2O3
5-(P-tolyl)thiazol-2-amine2-???-5-(p-??)???73040-54-7C10H10N2S
1-(Tetrahydro-2H-pyran-2-yl)-1H-Imidazole1-(???????-2H-??-2-?)-1H-????161014-15-9C8H12N2O
3-(Hydroxymethyl)-5-methylphenol606488-95-3C8H10O2
5-Chloro-2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine5-???-2-???????-4-??????????1310383-58-4C11H14BClFNO2
(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1-yl)-2-methylpentanoic acid1639970-62-9C22H23NO4
Methyl (2S,5R)-5-[(benzyloxy)amino]piperidine-2-carboxylate1416134-73-0C14H20N2O3
1-Butyl-1H-pyrazole1-??-1H-???52096-24-9C7H12N2
2,4-Bis(benzyloxy)-6-chloro-1,3,5-triazine2,4-??(????)-6-???-1,3,5-????851030-18-7C17H14ClN3O2
1,2:3,5-Di-O-isopropylidene-α-D-apiose25904-06-7C11H18O5
Boc-α-(2-propynyl)-L-proline959578-39-3C13H19NO4
H-Glu(OtBu)-OtBuL-?????DI-TERT-???????????????16874-06-9C13H25NO4
(R)-(+)-1-Ethyl-2-pyrrolidinecarboxamide2-??????????,1-??-,(2R)-(9CI)381670-32-2C7H14N2O
(4S)-4-Phenyl-L-proline???-4-??-L-???96314-26-0C11H13NO2
((Allyloxy)carbonyl)-L-phenylalanine90508-20-6C13H15NO4
Methyl methyl-D-prolinateD-???,1-??-,??????(9CI)114883-82-8C7H13NO2
Th12-CHO-Br1029924-67-1C17H27BrOS
N,N,O-Tris(trimethylsilyl)hydroxylamine21023-20-1C9H27NOSi3
Yttrium(III) oxalate13266-82-5C6O12Y2
Biotin-PEG4-S-S-NHS1260247-51-5C30H49N5O11S3
Phenyl[3-(trifluoromethyl)phenyl]iodonium triflate[3-(????????)??]????????????905718-46-9C14H9F6IO3S
GalNAcβ(1-3)Galα(1-4)Galβ(1-4)Glc-β-pNPGalNAc??(1-3)Gal??(1-4)Gal??(1-4)Glc-??-pNP1134635-03-2C32H48N2O23
Neu5GcAc[1Me,478Ac,9N3]-β-SPh1195053-25-8C26H32N4O12S
DTBT-2Th48Br2433725-51-8C42H54Br2N2S5
Phenmethylammonium Lead256222-08-9C7H14I4NPb-
2-Amino-3-pyrazol-1-yl-propionic acid(±)-??-???-1H-???-1-?????28024-60-4C6H9N3O2
N-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide (Afatinib Impurity)2323570-72-3C24H27ClFN5O4
1,2-bis(4-fluorophenyl)diazene oxide (Cabozantinib Impurity）326-04-5C12H8F2N2O
sodium (3S,5R,E)-7-(1-ethyl-3-(4-fluorophenyl)-1H-indol-2-yl)-3,5-dihydroxyhept-6-enoate (Fluvastatin Impurity）FluvastatinN-EthylSodiumSalt(?????????)93936-64-2C23H23FNNaO4
(4S,4aS,12aS)-9-(2-(tert-butylamino)acetamido)-4,7-bis(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide (Tigecycline Impurity）1633815-62-9C29H37N5O8
4-(3-(4-carbamoyl-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamide (Enzalutamide Impurity）2030242-21-6C21H18F4N4O3S
(5-bromo-2-chlorophenyl)(4-hydroxyphenyl)methanone (Empagliflozin Impurity）1360568-68-8C13H8BrClO2
(2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-((((R)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamoyl)oxy)tetrahydro-2H-pyran-2-carboxylic acid (Sitagliptin Impurity）?????????-D-???????940002-59-5C23H23F6N5O9
3-(Aminomethyl)-5-methyl-N-((R)-1-phenylethyl)hexanamide (Pregabalin Impurity）1788341-42-3C16H26N2O
5-(2-chlorobenzyl)thieno[3,2-c]pyridin-5-ium bromide (Clopidogrel Impurity）?????????4801319-16-4C15H14ClNO2S
(S)-N,N-dimethyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine (Duloxetine Impurity）1384080-33-4C19H21NOS
(E)-4-((4-((3-chloro-4-(pyridin-2-ylmethoxy)phenyl)amino)-3-cyano-7-ethoxyquinolin-6-yl)amino)-N,N,N-trimethyl-4-oxobut-2-en-1-aminium (Neratinib Impurity）1144516-18-6C31H32ClN6O3+
(6R,14aR)-6-(1,3-benzodioxol-5-yl)-2-methyl-2,3,14,14atetrahydropyrazino[1,2-d][1,4]benzodiazonine-1,4,7,13- (6H,8H)-tetrone (Tadalafil Impurity）1978322-98-3C22H19N3O6
(S)-4-(4-((3-amino-2-hydroxypropyl)amino)phenyl)morpholin-3-one hydrochloride (Rivaroxaban Impurity）1403383-55-0C13H20ClN3O3
(R)-N-(3-Chloro-4-fluorophenyl)-6-nitro-7-((tetrahydrofuran-3-yl)oxy)quinazolin-4-amine (Afatinib Impurity)402855-07-6C18H14ClFN4O4
(S)-methyl 2-(2,3-bis(hydroxymethyl)-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)-2-(2-chlorophenyl)acetate (Clopidogrel Impurity）1346231-36-4C18H20ClNO4S
methyl 2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino)acetate hydrochloride (Clopidogrel Impurity）(+)????-(2-????????)(2-?????)?????HCL141109-18-4C15H17Cl2NO2S
(S)-4-chloro-3-hydroxybutanoic acid (Afatinib Impurity）106941-19-9C4H7ClO3
sodium (3R,5S,E)-7-(2-cyclopropyl-4-(4-fluorophenyl)-1-oxidoquinolin-3-yl)-3,5-dihydroxyhept-6-enoate (Pitavastatin Impurity）2276678-27-2C25H25FNNaO5
(6S,6'S)-2,2'-(Hydrazine-1,2-diyl)bis(N-propyl-4,5,6,7-tetrahydrobenzo[d]thiazol-6-amine) (Pramipexole Impurity）2206826-82-4C20H32N6S2
methyl 5-amino-4-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoate (Lenalidomide Impurity）1198299-53-4C14H17N3O4
(R)-tert-butyl 6-chloro-5-hydroxy-3-oxohexanoate (Rosuvastatin Impurity）404958-08-3C10H17ClO4
N-methyl-4-(4-((2-(methylcarbamoyl)pyridin-4-yl)amino)phenoxy)picolinamide (Sorafenib Impurity）2004659-83-8C20H19N5O3
2-amino-4,5-bis(2-methoxyethoxy)benzoic acid (Erlotinib Impurity）2-???-4,5-??-(2-???-???)-???574738-66-2C13H19NO6
Amoxicillin EP Impurity C (Amoxicillin Impurity）2088961-37-7C16H19N3O5S
N-(4-(4-fluorophenyl)-5-((E)-2-((2S,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)vinyl)-6-isopropylpyrimidin-2-yl)methanesulfonamide (Rosuvastatin Impurity）1797419-58-9C21H24FN3O5S
1-(5-(2-Fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methyl)-N-methylmethanamine (Vonoprazan Impurity)2250243-23-1C33H27F2N5O4S2
N-(4-cyanophenyl)-2-((4-cyanophenyl)amino)acetamide (Dabigatran Impurity）1900865-84-0C16H12N4O
(S)-methyl 2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate hydrochloride (Clopidogrel Impurity）1396607-35-4C16H17Cl2NO2S
N-(5-((R)-2-(Benzyl((R)-1-(4-methoxyphenyl)propan-2-yl)amino)-1-hydroxyethyl)-2-hydroxyphenyl)formamide (Formoterol Impurity）1337876-26-2C26H30N2O4
4-methoxy-6,7-bis(2-methoxyethoxy)quinazoline (Erlotinib Impurity）1312937-41-9C15H20N2O5
Butyl 3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanoate (Tofacitinib Impurity）2227199-31-5C20H29N5O3
(R)-3-(3-fluoro-4-(6-(1-methyl-1H-tetrazol-5-yl)pyridin-3-yl)phenyl)-5-(hydroxymethyl)oxazolidin-2-one (Tedizolid Impurity）856867-41-9C17H15FN6O3
(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-(pyridin-4-yl)-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate (Abiraterone Impurity）165334-69-0C26H33NO2
GlcNAcβ(1-3)[GlcNAcβ(1-6)]GalNAc-α-ThrGlcNAc??(1-3)[GlcNAc??(1-6)]GalNAc-??-Thr1304646-03-4C28H48N4O18
2-O-Benzyl-1,3,4,6-tetra-O-acetyl-α-D-mannopyranose2-O-??-1,3,4,6-???-O-???-aD-??????80779-87-9C21H26O10
3-(Trichlorosilyl)propyl 2-Bromo-2-methylpropanoate688359-84-4C7H12BrCl3O2Si
4,6-Bis(5-bromo-2-thienyl)-2λ4δ2-thieno[3,4-c][1,2,5]thiadiazole1145743-00-5C12H4Br2N2S4
(2R,4S)-4-{[(tert-Butoxy)carbonyl]amino}pyrrolidine-2-carboxylic acid1279030-48-6C10H18N2O4
1,5-Naphthyridine-3-carboxylic acid1,5-?????-3-?????90418-64-7C9H6N2O2
1-Bromo-4-(2,2,2-trifluoroethyl)benzene1-???-4-(2,2,2-????????)??155820-88-5C8H6BrF3
Anthracen-9-ol????-9-?529-86-2C14H10O
2-(Bromomethyl)-2-(2-chloro-4-(4-chlorophenoxy)phenyl)-4-methyl-1,3-dioxolane873012-43-2C17H15BrCl2O3
3-(Aminomethyl)cyclobutan-1-ol hydrochloride1427386-91-1C5H12ClNO
tert-Butyl 7-amino-2,3,4,5-tetrahydro-1H-3-benzazepine-3-carboxylatetert-??7-???-1,2,4,5-????????[d]???-3-???????118454-24-3C15H22N2O2
1-(Phenylthio)propan-2-one(????)????5042-53-5C9H10OS
tert-Butyl 3-(tosyloxy)azetidine-1-carboxylate1-BOC-3-(???-4-?????)-????605655-08-1C15H21NO5S
(S,4E,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxyhepta-4,6-dienoic acid (Rosuvastatin Impurity）1422954-13-9C22H26FN3O5S
(2S,2'S)-2-((2-amino-6-oxo-3H-purin-9(6H)-yl)methoxy)propane-1,3-diyl bis(2-amino-3-methylbutanoate) (Ganciclovir Impurity）130914-71-5C19H31N7O6
2-chloro-5-(2-fluorophenyl)-1H-pyrrole-3-carbaldehyde (Vonoprazan Impurity）2169267-53-0C11H7ClFNO
rel-tert-butyl 2-((4R,6R)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate (Pitavastatin Impurity）2124275-54-1C13H22O5
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