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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-8210725
???:malulu@leyan.com
??:China
URL: www.leyan.com/
? ?? ?:39996
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3-Bromo-4-hydroxypyridin-2(1H)-one2(1H)-????,3-???-4-?????-96245-97-5C5H4BrNO2
L-Threonyl-L-glutamine96337-79-0C9H17N3O5
(3,3-Dimethylbutyl)dimethylchlorosilane(3,3-?????)????????96220-76-7C8H19ClSi
N-Acetyldesloratadine (Desloratadine Impurity)?37370117796-52-8C21H21ClN2O
Bz-rC PhosphoramiditeN-??-5'-O-DMT-2'-O-TBDMSCED???????????118380-84-0C52H66N5O9PSi
5,6-Diaminopyrimidin-4(3H)-one sulfate(2:1)102783-18-6C8H14N8O6S
4,7-Bis(5-bromo-4-dodecyl-2-thienyl)-2,1,3-benzothiadiazole1179993-72-6C38H54Br2N2S3
Benzo Red Violet 4B, indicator?????? 4B992-59-6C34H29N6NaO6S2
1-(4-Methoxyphenyl)-1H-imidazole1-(4-?????)-1H-????10040-95-6C10H10N2O
2-Bromo-1-(methoxymethoxy)-4-methylbenzene2-???-1-(??????)-4-????104750-60-9C9H11BrO2
(S)-2-((tert-butoxycarbonyl)(methyl)amino)hexanoic acidBOC-MENLE-?117903-25-0C12H23NO4
Budesonide impurity C16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-17-(hydroxyMethyl)-D-hoMoandrosta-1,4-diene-3,17a-dione(DiastereoMers????)1040085-99-1C25H34O6
3-Cyanopropyltrichlorosilane1071-27-8C4H6Cl3NSi
Isopropyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide (Meloxicam Impurity)118854-48-1C13H15NO5S
Strontium iodide anhydrous, beads, -10 mesh, >=99.99% trace metals basis???? ?????10476-86-5I2Sr
Methyl palmitelaidate?????????????10030-74-7C17H32O2
(2-Bromoethyl)phosphonic acid2-?????????999-82-6C2H6BrO3P
3-Methyl-1H-pyrazolo[3,4-c]pyridine3-??-1H-????[3,4-c]???1072249-89-8C7H7N3
(1S,2R,3S,5R)-2-((benzyloxy)methyl)-6-oxabicyclo[3.1.0]hexan-3-ol (Entecavir Impurity）117641-39-1C13H16O3
2,4-Dimethyl-1,3-pentadiene2,4-????-1,3-????1000-86-8C7H12
2-Acetyl-N,N,N,4-tetramethylpentan-1-aminium iodide(2-???-4-????)????????????1069-62-1C11H24INO
2,5-Diphenylfuran2,5-?????955-83-9C16H12O
LeucyltyrosineL-??-L-???968-21-8C15H22N2O4
2-Amino-3-hydroxyanthraquinone2-???-3-??????????117-77-1C14H9NO3
Ac-Asp-Phe-Glu-Glu-Ile-Pro-Glu-Glu-Tyr-Leu-Gln-OH113274-57-0C66H92N12O25
1,3-Dichloro-2-(trifluoromethyl)benzene104359-35-5C7H3Cl2F3
4-(2-Hydroxyethoxy)-3,5-dimethylbenzaldehyde4-(2-???????)-3,5-?????????1039948-89-4C11H14O3
Bis(2,4,6-trimethylpyridine)iodonium Hexafluorophosphate113119-46-3C16H22F6IN2P
Tatarinoid A1229005-35-9C12H16O5
(S)-2-(2-(5-Chloro-N-(4-(5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-2-carboxamido)ethoxy)acetic acid (Rivaroxaban impurity)1151893-81-0C24H21Cl2N3O7S2
4-{5-[Bis(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoic acid109882-30-6C16H23N3O4
2-Amino-3-benzyloxypyrazine2-????-3-???????110223-15-9C11H11N3O
(4S,5S)-Thiazol-5-ylmethyl 4-benzyl-5-((S)-2-((S)-4-isopropyl-2,5-dioxoimidazolidin-1-yl)-3-phenylpropyl)-2-oxooxazolidine-3-carboxylate (Ritonavir Impurity)??(?????????)????-???????????1010809-43-4C30H32N4O6S
15,19-Epoxy(5E,9E)-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 8,11,12,13,14,15,16,17,18,19,24,25,26,26a-tetradecahydro-19-hydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propen-1-yl)-, (3S,4R,8R,12S,14S,15R,16S,18R,19R,26aS)- (Tacrolimus Impurity)104987-16-8C44H67NO11
Decarboxy Ciprofloxacin????????????105394-83-0C16H18FN3O
2-(Pyridin-4-yl)-1-(p-tolyl)ethanone2-???-4-YL-1-P-??-???100866-13-5C14H13NO
8-Bromo-6,11-dihydro-11-(4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine (Desloratadine Impurity)117796-50-6C19H19BrN2
5-Bromo-4(3H)-pyrimidinone hemisulfate5-???-4(3H)-??????????97234-97-4C4H5BrN2O5S
(1R,3S)-3-Aminocyclohexan-1-ol(1R,3S)-3-??????????1110772-22-9C6H13NO
3-Amino-1-methyl-1H-indazol-6-ol3-???-1-??-1H-???-6-?1031876-62-6C8H9N3O
1H-Pyrrolo[2,3-b]pyridin-4-amine hydrochloride4-???-7-????????…1134307-94-0C7H8ClN3
N-Methyl-2-pyrimidinemethanamineN-??-2-????????1083246-53-0C6H9N3
4-[4-(4,4,5,5-Tetramethyl[1,3,2]dioxaborolan-2-yl)benzyl]thiomorpholine 1,1-dioxide1092563-25-1C17H26BNO4S
p-Tolyl isobutyrate103-93-5C11H14O2
2,2'-(Piperazine-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine) (Doxazosin Impurity)2,2'-(1,4-??????)??[6,7-????-4-??????]102839-00-9C24H28N8O4
3-Methoxy-3-methylbutyl acetate3-???-3-?????????103429-90-9C8H16O3
Nonane-1,9-diyl diacrylate1,9-???? ???????107481-28-7C15H24O4
Ethyl 2,2-dimethyl-3-oxopyrrolidine-1-carboxylate106556-66-5C9H15NO3
(5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2'-(2-trityl-2H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate (Olmesartan Medoxomil Impurity)????????????1020157-01-0C48H44N6O6
4,7-Bis(5-bromothiophen-2-yl)-5,6-difluoro-1H-2lambda4-benzo[c][1,2,5]thiadiazole1304773-89-4C14H4Br2F2N2S3
2-Ethylhexyl-4,6-dibroMo-3-fluorothieno[3,4-b]thiophene-2-carboxylate1237479-38-7C15H17Br2FO2S2
4,5,6,7-Tetrahydro-2-methylthiazolo[5,4-c]pyridine2-??-4,5,6,7-??????-????[5,4-C]???124458-27-1C7H10N2S
(3-(1-Phenyl-1H-benzo[d]imidazol-2-yl)phenyl)boronic acid3-(1-??-1H-??[d]????-2-?)?????1214723-26-8C19H15BN2O2
1-((2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-17-Acetoxy-3-hydroxy-10,13-dimethyl-2-(pyrrolidin-1-yl)hexadecahydro-1H-cyclopenta[a]phenanthren-16-yl)-1-allylpyrrolidin-1-ium bromide (Rocuronium Bromide Impurity)2-?????????????????????1190105-65-7C32H53BrN2O3
Calcium nitride?? ???12013-82-0Ca3N2
3-(1H-Imidazol-1-yl)benzaldehyde127404-22-2C10H8N2O
4-Bromo-N-cyclohexylpyrimidin-2-amine(4-???-????-2-?)-??????-??1269292-88-7C10H14BrN3
3,5-Bis((4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)methyl)pyridine3,5- (Rupatadine Impurity)????IMpurityC1224515-72-3C45H43Cl2N5
Dehydro Palonosetron (hydrochloride)135729-55-4C19H23ClN2O
3-(Morpholin-4-ylmethyl)aniline3-(????-4-???)???123207-48-7C11H16N2O
4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2S,3S)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one1246391-73-0C37H42F2N8O4
5-Deoxy-L-arabinose13039-56-0C5H10O4
2,3-Difluoro-1-propoxybenzene2,3-?????-1-??????124728-93-4C9H10F2O
2-(4-Isobutoxyphenyl)-4-methylthiazole-5-carboxylic acidFebuxostatDescyano???1206550-99-3C15H17NO3S
(E)-3-(4-((2-Isopropoxyethoxy)methyl)phenoxy)-N-isopropylprop-2-en-1-amine (Bisoprolol Impurity)??????????1217245-60-7C18H29NO3
N-Methyl-D-proline monohydrate1217447-61-4C6H13NO3
4-(4-(4-(4-(((3R,5S)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3R)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one????????1229428-89-0C37H42F2N8O4
Butyrylferrocene1271-94-9C14H16FeO10*
5-Chloro-6-iodo-1H-benzo[d]imidazole-2(3H)-thione1219741-21-5C7H4ClIN2S
Isoindoline-1,3-dione compound with 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine (1:1)?????DBU??119812-51-0C17H21N3O2
2,2'-(5-((4H-1,2,4-Triazol-4-yl)methyl)-1,3-phenylene)bis(2-methylpropanenitrile) (Anastrozole Impurity)120511-92-4C17H19N5
N1-(5-Chloropyridin-2-yl)-N2-((1R,2S,4S)-4-(dimethylcarbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)oxalamide1255529-25-9C24H30ClN7O4S
9,9-Bis(4-bromophenyl)-9H-fluorene9,9-??(4-?????)????128406-10-0C25H16Br2
2-Chloro-4-(methoxymethyl)pyrimidine1289387-30-9C6H7ClN2O
3-Oxo-3,4-dihydroquinoxaline-2-carboxylic acid3-????-2-????????1204-75-7C9H6N2O3
(S)-2-Amino-3-(furan-2-yl)propanoic acid hydrochloride127682-08-0C7H9NO3
2-Isobutoxy-5-(4-methylthiazol-2-yl)benzonitrileFebuxostat???141335202-60-2C15H16N2OS
Des(trifluoroethyl) Lansoprazole SulfideDes(trifluoroethyl)Lansoprazole???131926-97-1C14H13N3OS
(2R,3R,4S,5R,6R)-6-((1S,2S)-2-Chloro-1-((S,Z)-1-methyl-4-propylidenepyrrolidine-2-carboxamido)propyl)-4,5-dihydroxy-2-(methylthio)tetrahydro-2H-pyran-3-yl dihydrogen phosphate (Clindamycin Phosphate Impurity)1309349-64-1C18H32ClN2O8PS
8-Deschloro-8-bromo-N-methyl Desloratadine8-?????-8-???-N-????????130642-57-8C20H21BrN2
Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate13148-05-5C24H23O3P
7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid (Ciprofloxacin Impurity)133210-96-5C17H18ClN3O3
Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine??[??(4-??)(2,4,6-??????)??]1333317-99-9(C21H19N)n
Tetrakis[N-phthaloyl-(S)-phenylalaninato]dirhodium ethyl acetate adduct131219-55-1C68H48N4O16Rh2
EGTA (tetrasodium)13368-13-3C14H25N2NaO10
(1R,3R,4R)-Entecavir(1R,3R,4R)-?????1367369-76-3C12H15N5O3
2,6-Dibromo-4-n-octyldithieno-3,2-b:2',3'-d]pyrrole1346688-54-7C16H19Br2NS2
((2R,3R,5S)-3-(Benzoyloxy)-4,4-difluoro-5-((methylsulfonyl)oxy)tetrahydrofuran-2-yl)methyl benzoate134877-43-3C20H18F2O8S
(5S,6S,9R)-5-Amino-6-(2,3-difluorophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-9-ol1373116-05-2C16H16F2N2O
(E)-3-(2-Bromophenyl)acrylaldehyde2-??????????138555-58-5C9H7BrO
2-Acetamido-1,3,4,6-tetra-O-acetyl-2-deoxy-alpha-D-glucopyranose14086-90-9C16H23NO10
4,8-Bis[5-(2-ethylhexyl)thiophen-2-yl]benzo[1,2-b:4,5-b']dithiophene1352642-35-3C34H42S4
2-Thiophenecarboxaldehyde, 5-bromo-4-(2-ethylhexyl)-2-???????????,5-???-4-(2-????)-1356861-54-5C13H19BrOS
3-(2-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2,6-dimethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (Risperidone Impurity)6-???????1346602-28-5C24H29FN4O2
Potassium metaborate?? ?????13709-94-9BH2KO2
4-Bromoquinolin-8-ol4-???-8-????????139399-63-6C9H6BrNO
(6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-5-methylpyridin-3-yl)boronic acid1379476-75-1C15H24BN3O4
N-(1,3-Dihydroxy-2-(hydroxymethyl)propan-2-yl)acrylamideN-[???(???????)??]??????13880-05-2C7H13NO4
5-(2-Cyclopropyl-1-(3-fluorophenyl)-2-oxoethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate1391194-39-0C20H20FNO3S
(S)-2-Amino-3,3-dimethylbutanoic acid hydrochloride139163-43-2C6H14ClNO2
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