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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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N-PentadecanonitrileN-????????18300-91-9C15H29N
(2-Bromo-1-fluoroethyl)benzene1-(2-???-1-??????)??1786-36-3C8H8BrF
(Z)-2-(2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)acetic acid (Cefdinir Impurity)?????????????178949-03-6C7H8N4O4S
4,6-Difluoronicotinonitrile1804896-68-1C6H2F2N2
(S)-2-((5-Chloro-4-iodopyridin-2-yl)amino)propan-1-ol1799434-65-3C8H10ClIN2O
(R)-5-Amino-5-phenylpentanoic acid hydrochloride1810074-59-9C11H16ClNO2
HS-PEG6-CH2CH2-Boc1818294-40-4C19H38O8S
4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamide182808-16-8C9H9ClN2O2
3-Ethylisobenzofuran-1(3h)-one17475-41-1C10H10O2
4,6-Diphenyl-2H-pyran-2-one4,6-???-2-???17372-52-0C17H12O2
rel-(6'R,8a'R)-6'-(Benzo[d][1,3]dioxol-5-yl)-2'-methyl-2',3',8',8a'-tetrahydro-1'H-spiro[indoline-3,7'-pyrrolo[1,2-a]pyrazine]-1',2,4'(6'H)-trione (Tadalafil Impurity)1795790-92-9C22H19N3O5
Methacrylamidotrimethylsilane?????????????18295-89-1C7H15NOSi
4-Nitrodiphenylmethane4-????????1817-77-2C13H11NO2
((1,3,8,10-tetraoxo-1,3,8,10-tetrahydroanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-2,9-diyl)bis(4,1-phenylene))diboronicacid1798300-46-5C36H20B2N2O8
5,7-Difluoro-1,2,3,4-tetrahydronaphthalen-2-one5,7-?????-2-????172366-38-0C10H8F2O
N-(2,6-Dimethylphenyl)-2-(4-(2-hydroxy-3-(2-hydroxyphenoxy)propyl)piperazin-1-yl)acetamide172430-45-4C23H31N3O4
1-Benzylazetidine-2-carboxylic acid1-??-????-2-????18085-40-0C11H13NO2
6-Morpholinylpyridine-3-carboxaldehyde173282-60-5C10H12N2O2
5-Phenyl-1-pentyne5-??-1-???1823-14-9C11H12
3-Chlorobenzene-1-sulfonamide3-??????????17260-71-8C6H6ClNO2S
Phenylmethyl N-(acetyloxy)carbamateO-???-N-????????????180798-01-0C10H11NO4
3-(N-(4-chloro-3-methylisoxazol-5-yl)sulfamoyl)thiophene-2-carboxylic acid184040-74-2C9H7ClN2O5S2
Palonosetron Impurity 7177932-92-2C18H24N2O
(2S,2′S)-2,2′-[[(5S)-2,2′-diamino-4,4′,6-trioxo-1,4,4′,6,7,7′-hexahydro-1′H,5H-5,6′-bipyrrolo[2,3-d]pyrimidine-5,5′-diyl]bis(ethylenebenzene-4,1-diylcarbonylimino)]dipentanedioic acid (Pemetrexed Disodium Impurity）1802552-16-4C40H40N10O13
3-Bromo-6-fluoro-4H-chromen-4-one3-???-6-???????179111-05-8C9H4BrFO2
Vildagliptin Impurity 661803168-08-2C7H10Cl2N2O2
6-(2-Methoxyethoxy)-6-methyl-2,5,7,10-tetraoxa-6-silaundecaneMETHYLTRIS(2-METHOXYETHOXY)??17980-64-2C10H24O6Si
Cytarabine Impurity 46; Azacitidine Impurity 2518265-49-1C9H13N3O5
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-((bis(dimethylamino)phosphoryl)oxy)phenyl)propanoic acid172611-23-3C28H32N3O6P
(2,6-Dinitro-1,4-phenylene)dimethanol2,6-????-1,4-??????171809-19-1C8H8N2O6
1-Chloro-2-(methylsulfonyl)benzene17482-05-2C7H7ClO2S
(E)-3-(4-Aminophenyl)acrylic acid4-??????17570-30-8C9H9NO2
Methyl 6-methyl-1H-indole-2-carboxylate6-????-2-???????????18377-65-6C11H11NO2
(5-Bromo-6-chloropyridin-2-yl)methanamine hydrochloride1799439-04-5C6H7BrCl2N2
(E)-2-Ethoxy-1-methoxy-4-(2-(methylsulfonyl)vinyl)benzene (Apremilast Impurity)1831833-38-5C12H16O4S
(R)-3-(4-(6-(2H-tetrazol-5-yl)pyridin-3-yl)-3-fluorophenyl)-5-(hydroxymethyl)oxazolidin-2-one (Tedizolid Impurity）1771765-84-4C16H13FN6O3
Methyl 3-(2-methyl-1,3-dioxolan-2-yl)propanoate1838133-00-8C23H21Cl2N3O5S2
2,2'-((3-Methoxyphenyl)azanediyl)diethanolN,N-BIS(2-???????)-3-??????17126-75-9C11H17NO3
((1R,2R)-2-(((3aR,4R,7S,7aS)-1,3-dioxooctahydro-2H-4,7-methanoisoindol-2-yl)methyl)cyclohexyl)methyl 4-(benzo[d]isothiazol-3-yl)piperazine-1-carboxylate1807983-62-5C29H36N4O4S
8-((3R,4S)-4-ethylpyrrolidin-3-yl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine1708997-43-6C14H17N5
Methyl benzo[c][1,2,5]thiadiazole-5-carboxylate????-2,1,3-?????-5-???????175204-21-4C8H6N2O2S
(R)-2-(2-Aminoacetamido)succinic acid17343-03-2C6H10N2O5
rel-1-(1,1-Dimethylethyl) 2-methyl (2R,4S)-4-hydroxy-1,2-piperidinedicarboxylateCIS-4-HYDROXY-PIPERIDINE-1,2-DICARBOXYLICACID1-TERT-??????2-??????181269-87-4C12H21NO5
3,5-Diphenyl-1-(1-naphthyl)formazan????????????1719-72-8C23H18N4
4-Phenylbutyltrichlorosilane17886-88-3C10H13Cl3Si
Methyl 3-(dichloromethylsilyl)propanoate18163-34-3C5H10Cl2O2Si
N-HexanoyldihydrosphingosineC6??????????171039-13-7C24H49NO3
9-(4-Bromobutyl)-N-(2,2,2-trifluoroethyl)-9H-fluorene-9-carboxamide182438-98-8C20H19BrF3NO
Lithium [1,2,4]triazolo[4,3-a]pyrazine-3-carboxylate1799434-66-4C6H5LiN4O2
3-(Chloromethyl)-5-(3-(trifluoromethyl)phenyl)-1,2,4-oxadiazole3-?????-5-[3-(????????)??]-1,2,4-?????175205-63-7C10H6ClF3N2O
Azido-PEG1-PFP ester1807505-32-3C11H8F5N3O3
Quinolin-6-yl trifluoromethanesulfonate173089-80-0C10H6F3NO3S
Cefdinir Impurity 28178422-42-9C14H15N5O6S2
2,4-Dichloro-8-nitroquinazoline174566-19-9C8H3Cl2N3O2
Tenofovir monomethyl ester1796539-83-7C10H16N5O4P
2,6-Dibromo-3-chloro-4-fluoroaniline175135-09-8C6H3Br2ClFN
(2-chloro-5-iodophenyl)(4-(((S)-tetrahydrofuran-3-yl)oxy)phenyl)methanol (Empagliflozin Impurity）1800196-46-6C17H16ClIO3
(1S,2S)-2-(benzyloxy)cyclopentan-1-amine(1S,2S)-(+)-2-????????????181657-57-8C12H17NO
(2S,3R)-2-Amino-3-hydroxy-4,4-dimethylpentanoic acid171866-72-1C7H15NO3
2,4,6-Trichloro-5-isopropylpyrimidine1780-42-3C7H7Cl3N2
1,7-Dimethyl-1H-indazole17582-89-7C9H10N2
5,5'-(Ethane-1,2-diyl)diisophthalic acid1774401-34-1C18H14O8
Tripropargyl Phosphate1779-34-6C9H9O4P
4-(Bromomethyl)-1-methoxy-2-(3-methoxypropoxy)benzene??,4-(?????)-1-???-2-(3-???????)-172900-73-1C12H17BrO3
4-(2-Chloro-6-fluorophenyl)but-3-en-2-one2-???-6-???????????175136-82-0C10H8ClFO
Lafutidine sulfone???????B174583-84-7C22H29N3O5S
4-(Azetidin-3-yl)thiomorpholine 1,1-dioxide dihydrochloride178312-02-2C7H15ClN2O2S
Bicyclo[2.2.1]Heptan-2-yltrichlorosilane18245-29-9C7H11Cl3Si
(R)-5,5-Dimethyl-4-phenyloxazolidin-2-one(R)-(-)-5,5-???-4-??-2-??????170918-42-0C11H13NO2
rel-4-Methyl-N-(((3aS,6aR)-3,3a,6,6a-tetrahydrocyclopenta[c]pyrrol-2(1H)-yl)carbamoyl)benzenesulfonamide (Gliclazide Impurity)1808087-53-7C15H19N3O3S
2-Methoxy-3-methylaniline2???-6-?????18102-30-2C8H11NO
(S)-2-(2-(2-Aminoacetamido)acetamido)pentanedioic acidH-GLY-GLY-GLU-?17343-05-4C9H15N3O6
5-Aminomethyl-pyridine-2-carbonitrile181130-14-3C7H7N3
3-(1-Methylpiperidin-4-yl)-1H-indole3-(1-??-4-?????)??17403-07-5C14H18N2
2-Chloromethyl-3-trimethylsilyl-1-propene18388-03-9C7H15ClSi
1-(4-(Diphenylamino)phenyl)ethan-1-one4-(??????)?????1756-32-7C20H17NO
2-Oxo-2-[4-(trifluoromethyl)phenyl]acetaldehyde1736-56-7C9H5F3O2
2-Iododibenzothiophene2-?????????177586-41-3C12H7IS
12-ethyl-8-methyl-9-oxo-7-propionyl-9,11-dihydroindolizino[1,2-b]quinolin-2-yl [1,4'-bipiperidine]-1'-carboxylate (Irinotecan Impurity）176515-52-9C32H38N4O4
1,3,5-Trichloro-2-(chloromethyl)benzene1,3,5-?????-2-(?????)??17293-03-7C7H4Cl4
7-((2-Hydrazinyl-2-oxoethyl)(methyl)amino)-N,N-dimethylbenzo[c][1,2,5]oxadiazole-4-sulfonamide179951-63-4C11H16N6O4S
Duloxetine N-Desmethyl Metabolite178273-35-3C17H17NOS
N-Despropyl Ropinirole (hydrochloride)N-????????????173990-76-6C13H19ClN2O
4-(1-(O-tolyl)vinyl)benzoic acid1799412-42-2C16H14O2
1-(5,5,8,8-Tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-one17610-21-8C16H22O
Sodium 3-aminobenzoate17264-94-7C7H8NNaO2
2,4,6-Trimethylbenzene-1,3,5-tricarboxylic acid18239-15-1C12H12O6
Cyclo(Leu-Ala)3-????-6-??-2,5-??????1803-60-7C9H16N2O2
1-(3-Chloro-2,6-difluorophenyl)ethan-1-one3'-???-2',6'-?????????177942-50-6C8H5ClF2O
Eltrombopag Impurity 451782285-05-5C12H14N2O
5-Phenylbenzo[d]oxazole-2-thiol2-????-5-??????17371-99-2C13H9NOS
2-Chloro-1-(indolin-1-yl)ethanone2-CHLORO-1-(2,3-DIHYDRO-INDOL-1-YL)-???17133-48-1C10H10ClNO
4-(Benzyloxy)-3-fluorobenzaldehyde4-(????)-3-??????????175968-61-3C14H11FO2
3-Methoxy-cyclohexanone3-?????????17429-00-4C7H12O2
(4-(4-Methylpiperazin-1-yl)phenyl)methanamine hydrochloride1810070-21-3C12H20ClN3
Bromo-PEG5-C2-acid1817735-27-5C13H25BrO7
1-Benzofuran-2-sulfonyl chloride1-????-2-????????17070-58-5C8H5ClO3S
4,5,6,7-Tetraiodo-3H-benzo[c][1,2]oxathiol-3-one 1,1-dioxide??????-2-????????1745-83-1C7I4O4S
2-Bromo-1-(piperidin-1-yl)ethan-1-one????,1-(??????)-(7CI,8CI,9CI)1796-25-4C7H12BrNO
trans-1,2-Diacetoxycyclohexane??-1,2-?????????????1759-71-3C10H16O4
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