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

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-400-8210725
???:malulu@leyan.com
??:China
URL: https://www.leyan.com/
? ?? ?:39988
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4-Amino-2,3,5,6-tetrafluorobenzoic Acid4-AMINO-2,3,5,6-???????????944-43-4C7H3F4NO2
2,4,6-Trimethyl-4H-1,3,5-dithiazine????-2,4,6-????-4H-1,3,5-????94944-51-1C6H11NS2
Iron(II) succinate????10030-90-7C4H4FeO4
1-(Pyridin-4-yl)piperidine-4-carboxylic acid93913-86-1C11H14N2O2
Ampicillin Amino-benzeneacetaldehyde10001-82-8C24H26N4O5S
trans-1-Boc-4-fluoro-3-hydroxypiperidine???-tert-??4-????-3-????????-1-???????955028-82-7C10H18FNO3
2-(6-Bromopyridin-2-yl)ethanol2-(6-??????-2-?)???955370-07-7C7H8BrNO
DitrimethylolpropaneTetraacrylate(stabilizedwithMEHQ)????????? ?????????94108-97-1C24H34O9
Olmesartan Medoxomil Impurity 495579-71-8C5H5ClO3
3-Iodo-6-methyl-1H-pyrrolo[2,3-b]pyridine3-???-6-??-7-????1000340-29-3C8H7IN2
Cumyluron1-(2-?????)-3-(1-??-1-????)??? [????]99485-76-4C17H19ClN2O
5-Phenylisoxazole5-??????1006-67-3C9H7NO
N-methoxy-N-methylfuran-2-carboxamideN-METHOXY-N-METHYL-2-????95091-92-2C7H9NO3
Triethylphenylammonium (iodide)1010-19-1C12H20IN
1,2,3,4-Tetrahydro-2,7-naphthyridine108749-08-2C8H10N2
Bis(4-(dimethylamino)phenyl)methanol4,4'-??(??????)??????119-58-4C17H22N2O
(R)-2-((tert-butoxycarbonyl)amino)-5-ureidopentanoic acidBOC-D-CIT-?121080-95-3C11H21N3O5
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-Butoxy)-2-methyl-4-oxobutanoicacid1072845-47-6C24H27NO6
[12]Cycloparaphenylene[12]????????1092522-75-2C72H48
5-Bromo-3-phenyl-1,2,4-oxadiazole5-???-3-??-1,2,4-?????1263279-50-0C8H5BrN2O
1-Cyclopropyl-6,8-difluoro-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid8-????-8-??????????103460-89-5C18H19F2N3O3
2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid (Cetirizine Impurity)113740-61-7C19H21ClN2O2
Chlorophenol Red (sodium)123333-64-2C19H13Cl2NaO5S
1,1'-(4,4'-(Disulfanediylbis(methylene))bis(thiazole-4,2-diyl))diguanidine (Famotidine Impurity)??[(2-?????-4-????)??]?????129083-44-9C10H14N8S4
1-Piperazine-1-yl-isoquinoline1-????-1-?-?????126653-00-7C13H15N3
Methyl (4-(2-(3-ethyl-4-methyl-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxamido)ethyl)phenyl)sulfonylcarbamate (Glimepiride Impurity)119018-30-3C18H23N3O6S
2-(1H-Pyrrol-1-yl)benzoic acid1-(2-??????)??10333-68-3C11H9NO2
1-Cyclohexyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole1175275-00-9C15H25BN2O2
(6S,8S,9R,10S,13S,14S,16R,17R)-6,9-Difluoro-17-(((fluoromethyl)thio)carbonyl)-10,13,16-trimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate (Fluticasone Propionate Impurity)11-??????????????1219174-94-3C25H29F3O5S
4-Chloropyridazine hydrochloride4-??????????1193386-63-8C4H4Cl2N2
5-(3-(Dimethylamino)propyl)-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-ol1159-03-1C20H25NO
2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine (Venlafaxine Impurity)(2RS)-2-??????-2-(4-?????)-N,N?????????1076199-92-2C17H27NO
(3R,5R,E)-7-(4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid (Rosuvastatin Impurity)(3R,5R)-??????1094100-06-7C22H28FN3O6S
4-Aminoquinoline-2-one4-??????-2-?110216-87-0C9H8N2O
Calcein sodium salt108750-13-6C30H27N2NaO13
2-Cyclopropyl-6-methyl-1,3,6,2-dioxazaborocane-4,8-dione??????????????????????11044637-36-6C8H12BNO4
Methyl 2-methyl-2-(4-(2-(tosyloxy)ethyl)phenyl)propanoate??2-??-2-(4-(2-(????)??)??)???????1181267-30-0C20H24O5S
Diethyl 1H-imidazole-4,5-dicarboxylate???1H-????-4,5-????????1080-79-1C9H12N2O4
(r)-2-Amino-3-(2-fluorophenyl)propanoic acid hydrochloride122839-51-4C9H11ClFNO2
1-(Pyridin-4-ylmethyl)piperidin-4-one1-???-4-???????-4-?126832-82-4C11H14N2O
(2R,3R,4S,5R)-2-(4-Nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triol10238-28-5C11H13NO7
(S)-Diethyl 2-(5-(methylamino)thiophene-2-carboxamido)pentanedioate112889-02-8C15H22N2O5S
3,5-Dimethylcyclohex-2-en-1-one3,5-????-2-??????-1-?1123-09-7C8H12O
(R)-3-amino-2-(hydroxymethyl)propanoic acid(R)-3-???-2-(??????)????1217700-75-8C4H9NO3
5-Bromo-6-methylindoline-2,3-dione5-???-6-?????-2,3-??106976-23-2C9H6BrNO2
3-(Bromomethyl)tetrahydro-2H-pyran3-(?????)??????-2H-??116131-44-3C6H11BrO
(R)-Levetiracetam carboxylic acid???????103833-72-3C8H13NO3
2,6-Dibromo-4,4-di-n-octyldithieno[3,2-b:2',3'-d]silole1160106-14-8C24H36Br2S2Si
tert-Butyl (2-aminocyclopentyl)carbamatetert-??(2-a????????)?????1193388-07-6C10H20N2O2
(12E,14E,21E)-2,3,9,10,16,17,23,24-octakis(octyloxy)-13H,29H-phthalocyanine119457-81-7C96H146N8O8
4,5-Dihydro-6-phenyl-3(2H)-pyridazinone1011-46-7C10H10N2O
Ethyl 2-(piperazin-1-yl)thiazole-4-carboxylate2-(1-?????)-4-??????????????104481-24-5C10H15N3O2S
2,2,2-Trifluoro-N-((E)-3-(1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)allyl)acetamide115794-55-3C14H16F3N3O6
9-Bromo-11,11-dimethyl-11H-benzo[a]fluorene1198396-29-0C19H15Br
4-(1H-imdazol-4-yl)piperidine4-(1H-????-4(5)-YL)????106243-23-6C8H13N3
5-Ethoxypyrazine-2-carboxylic acid5-??????-2-?????1220330-11-9C7H8N2O3
1-((5S,8R,9S,10S,13S,14S,16S,17R)-17-Acetoxy-10,13-dimethyl-2-morpholino-3-oxo-4,5,6,7,8,9,10,11,12,13,14,15,16,17-Tetradecahydro-3H-cyclopenta[a]phenanthren-16-yl)-1-allylpyrrolidin-1-ium bromide (Rocuronium Bromide Impurity)1190105-67-9C32H49BrN2O4
Germanium(II) telluride, 99.999%12025-39-7GeTe
1-(2,4,6-trimethoxybenzyl)piperazine dihydrochloride (Trimetazidine Impurity）1-[(2,4,6-???????)??]???????113698-83-2C14H23ClN2O3
DL-Aspartic acid (hemimagnesium salt)??????????1187-91-3C4H5MgNO4
5-(Benzyloxy)-4-oxo-4H-pyran-2-carboxylic acid5-(????)-4-??-4H-??-2-?????1219-33-6C13H10O5
N-((1R,3r,5S)-9-Methyl-9-azabicyclo[3.3.1]nonan-3-yl)-1H-indazole-3-carboxamide (Granisetron Impurity)107007-95-4C17 H22 N4 O
3-(Methoxydimethylsilyl)propyl acrylate111918-90-2C9H18O3Si
5-Bromo-1,3-dimethyl-1H-indole5-BroMo-1,3-???-1H-??10075-49-7C10H10BrN
Vardenafil-d5????-D51189685-70-8C23H32N6O4S
(R)-2-Amino-2-(2-methoxyphenyl)acetic acid103889-84-5C9H11NO3
5-[[(1R)-2-[6-[[[[9-[(2R)-5-Hydroxy-2,11-dimethyl-5-oxido-9-oxo-3,6,8,10-tetraoxa-5-phosphadodec-1-yl]-9H-purin-6-yl]amino]methyl]amino]-9H-purin-9-yl]-1-methylethoxy]methyl]-2,4,6,8-tetraoxa-5-phosphanonanedioic Acid 1,9-Bis(1-methylethyl) Ester 5-Oxide1093279-77-6C34H52N10O17P2
7-Chloroquinolin-3-amine7-???-3-?????1195710-15-6C9H7ClN2
Dipropyl malonate?????????1117-19-7C9H16O4
6-Fluoro-3-iodo-1H-pyrrolo[2,3-b]pyridine6-????-3-???-7-????1190319-92-6C7H4FIN2
(2R,3R,4S,5S,6R)-2-(((2R,3S,4R,5R,6S)-6-(dodecyloxy)-4,5-dihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol116183-64-3C24H46O11
2-Methyl-2-(trifluoromethylsulfonamido)propyl methacrylate2-??-2-(?????????????)??????????1268257-44-8C9H14F3NO4S
DL-Thyronine1034-10-2C15H15NO4
Cobaltocene hexafluorophosphate12427-42-8C10H10CoF6P10*
5-Cyclopropyl-1H-pyrazol-3-amine hydrochloride3-???????-1H-???-5-?????1031791-16-8C6H10ClN3
4,4'-Bis[N-(1-naphthyl)-N-phenylamino]-4''-phenyltriphenylamine4,4'-BIS[N-(1-NAPHTHYL)-N-?????]-4"-????????1073183-32-0C56H41N3
Carbarsone121-59-5C7H9AsN2O4
Tetrabutylammonium cyanide???????? ?????10442-39-4C17H36N2
2-Bromo-1-methyl-1H-imidazole-4,5-dicarbonitrile2-???-1-??-1H-????-4,5-???????115905-43-6C6H3BrN4
Diethyl ((2-chloroethoxy)methyl)phosphonate???[(2-??????)??]??????116384-56-6C7H16ClO4P
Pyridazin-4-ylmethanamine dihydrochloride1028615-75-9C5H8ClN3
Ethyl 6-bromoindolizine-2-carboxylate??6-???????-2-???????1251014-35-3C11H10BrNO2
4-Bromo-1-methyl-1H-pyrazolo[3,4-c]pyridine4-broMo-1-??-1H-????[3,4-c]???1032943-41-1C7H6BrN3
2-Bromo-3,5-dinitrobenzoic acid2-???-3,5-???????116529-60-3C7H3BrN2O6
Cholesterol n-Octanoate1182-42-9C35H60O2
Montelukast EP Impurity D??????????(????????????)1187586-61-3C41H46ClNO5S2
(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Dfluoro-17-(((fluoromethyl)thio)carbonyl)-11-hydroxy-10,13,16-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl propionate (Fluticasone Propionate Impurity)105613-90-9C25H33F3O5S
5-(Trifluoromethyl)isoxazol-3-amine3-??????,5-(????????)-(9Cl)110234-43-0C4H3F3N2O
4-(2-Bromoethyl)-3-chloro-1,3-dihydro-2H-indolin-2-one120427-95-4C10H9BrClNO
Methyl 2-amino-5-bromopyrimidine-4-carboxylate??2-???-5-???????-4-???????1034737-23-9C6H6BrN3O2
Octyl 4,6-dibromothieno[3,4-b]thiophene-2-carboxylate??4,6-????????[3,4-b]???-2-???????1160823-85-7C15H18Br2O2S2
1,1,3,3-Tetraethylurea1187-03-7C9H20N2O
N'-(Pyridin-4-ylmethylene)isonicotinohydrazide13025-99-5C12H10N4O
Methyl 3-(bromomethyl)-5-methoxybenzoate??-3-?????-5-????????133357-62-7C10H11BrO3
(R)-(p-Toluenesulfinyl)ferrocene(R)-????p-???????130225-27-3C11H9OS.C5H5.Fe
Sofosbuvir impurity FL-???,N-[(S)-????????????]-,1-????????,(P→3'),(P'→5')-?????(2'R)-2'-???-2'??)-????-2'-?????1337482-17-3C34H45FN4O13P2
(Z)-3-(2-(4-((2,4-Difluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (Risperidone Impurity)132961-05-8C23H28F2N4O2
4-(7-(4-Fluorophenyl)-7-hydroxy-1b-isopropyl-7a-phenyl-1a-(phenylcarbamoyl)hexahydro-1aH-oxireno[2',3':3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl)-3-hydroxybutanoic acid, sodium salt??????????????(?????)???1316291-19-6C33H36FN2NaO7
N-Methyl-3-phenoxybenzylamineN-??-3-???????129535-78-0C14H15NO
Acetic propionic anhydride????????????13080-96-1C5H8O3
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