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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/
? ?? ?:39990
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Donepezil Impurity 19220170-71-8C22H25NO3
Ticagrelor Related Compound 652205903-72-4C21H34N6O8S
4-[(3-Ethynylphenyl)amino]-7-[2-(2-hydroxyethoxy)ethoxy]-6-quinazolinol2221937-43-3C20H19N3O4
Methotrexate Impurity 492(1H)-?????,4,5,6-?????-22715-34-0C4H7N5O
Olprinone Impurity 142236020-10-1C9H10N2
Loxoprofen Impurity 282274853-20-0C18H22O5
Roxadustat Impurity 302243809-28-9C17H14N2O3
Safinamide Impurity 32268802-59-9C17H17FN2O3
Upadacitinib Impurity 602270173-63-0C29H31N5O5S
Blonanserin Impurity 3721863-75-2C7H14N2O
Brexpiprazole Impurity 882247155-47-9C26H27ClN2O4
Ioversol Impurity 72253945-67-2C16H22I3N3O7
Itraconazole Impurity 40219923-93-0C18H22N4O2
3-Chloro-2-(2-ethylhexyl)thiophene2239295-68-0C12H19ClS
Mn(III) meso-Tetra(4-sulfonatophenyl)porphine chloride (acid form)5,10,15,20-?????(4-??????)-21H,23H-?????(III)???221176-50-7C44H28ClMnN4O12S4
N1-[2-[(7-Chloro-4-quinolinyl)oxy]ethyl]-N1-ethyl-1,4-pentanediamine2411340-31-1C18H26ClN3O
Fluralaner Impurity 82382920-54-7C13H13ClF3N3O3
Calcium Dobesilate Impurity 22429952-18-9C7H8O5S
Brivaracetam Impurity 962408196-94-9C8H16O3
Ticagrelor Impurity 812376278-68-9C14H25NO10
(4S)-4-(4-Cyano-2-methoxyphenyl)-1,4-dihydro-2,8-dimethyl-5-[(1-methylcyclopropyl)methoxy]-1,6-naphthyridine-3-carboxamide (Finerenone Impurity)2389019-65-0C24H26N4O3
(4R)-4-(4-Cyano-2-methoxyphenyl)-1,4-dihydro-2,8-dimethyl-5-(3-oxetanylmethoxy)-1,6-naphthyridine-3-carboxamide2389019-51-4C23H24N4O4
2-(4-Hydroxyphthalazin-1-yl)propanoic acid4-(1-??????)-1(2H)-?????247128-12-7C11H10N2O3
Carglumic Acid Related Compound B2380660-24-0C6H8N2O4
Roxadustat Impurity 432376195-48-9C16H11NO4
Phenacetin Impurity 324176-84-9C14H13ClN2O2
4H-Dithieno[3,2-b:2',3'-d]pyrrole, 4-octyl-2,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2387420-96-2C28H43B2NO4S2
Formoterol Impurity 38245759-66-4C18H24N2O3
Acetyl-L-leucyl-L-leucine24125-26-6C14H26N2O4
Cyanocobalamin Impurity 6823388-02-5C63H86CoN14O14P
Tert-butyl 4-amino-2-azabicyclo[2.1.1]Hexane-2-carboxylate2361636-63-5C10H18N2O2
Minodronic Acid Impurity 92303523-19-3C18H20N4O12P4
Larotrectinib Impurity 32409589-59-7C21H22F2N6O2
7-Chloro-5-(pentan-3-yl)pyrazolo[1,5-a]pyrimidine2416875-06-2C11H14ClN3
2-(2-Bromo-6-oxo-5,6-dihydro-4H-cyclopenta[b]thiophen-4-ylidene)malononitrile2446466-88-0C10H3BrN2OS
(2R)-1-(2,5-Difluorophenyl)-2-((tetrahydro-2H-pyran-2-yl)oxy)propan-1-one241479-69-6C14H16F2O3
Lapatinib Impurity 24231278-83-4C26H18ClN3O3
2-(3,5-Dimethyl-1H-pyrazol-4-yl)acetic acid(3,5-DIMETHYL-1H-PYRAZOL-4-YL)????32701-75-0C7H10N2O2
4-methyl-2-phenylpyrimidine4-??-2-??????34771-48-7C11H10N2
Ornidazole Impurity 271H-????-2-????????,4-???-(9CI)33543-81-6C4H3N3O3
Fluocinolone Acetonide Impurity 20389119-98-6C22H28F2O4
3-(2-(Trifluoromethyl)phenyl)propanal3-(2-????????-??)-????????376641-58-6C10H9F3O
Capecitabine Impurity 3438838-07-2C9H15ClO4
Tris(4-(pyren-1-yl)phenyl)amine4-(1-???)-N,N-??[4-(1-???)??]????349669-77-8C66H39N
4-(Phenoxymethyl)phenylacetic acid(4-PHENOXYMETHYL-PHENYL)-????344349-71-9C15H14O3
Mitomycin Ep Impurity C?????B.4055-40-7C16H19N3O6
13-Oxobaccatin III32981-89-8C31H36O11
Methyl 4-hydroxy-1-butanesulfonate343928-18-7C5H12O4S
1H-Benz[e]indolium, 2-[3-(3-butyl-1,3-dihydro-1,1-dimethyl-2H-benz[e]indol-2-ylidene)-1-propenyl]-1,1,3-trimethyl-, hexafluorophosphate(1-)356062-62-9C36H39F6N2P
4-HydroxyResveratrol4-???????????331443-00-6C14H12O4
Eltrombopag Impurity 46(Mixture Of Z/E-Isomers)376591-99-0C25H22N4O4
Dobutamine Impurity 20334947-73-8C20H27NO3
2-Methoxy-4-[2-[[3-(4-methoxyphenyl)-1-methylpropyl]amino]ethyl]phenol334947-72-7C20H27NO3
Linezolid Impurity 28333753-69-8C15H22FN3O3
Nifuratel Impurity 183455-50-3C9H13NO5
(6R,7R)-7-Amino-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefuroxime Impurity)37051-07-3C9H11N3O5S
Rosuvastatin Impurity 142404958-69-6C10H19ClO4
2-Chloro-3,4-dihydroxybenzaldehyde32864-11-2C7H5ClO3
3-Bromo-2,2-bis(bromomethyl)propyl acetate3-broMo-2,2-bis(broMo??)????????3580-97-0C7H11Br3O2
(S)-(-)-Tolvaptan(S)-(-)-???331947-44-5C26H25ClN2O3
Propofol Impurity 3140388-51-0C19H30O4
Ethyl 3-hydroxybicyclo[3.1.0]hexane-6-carboxylate26786-36-7C9H14O3
Indacaterol Impurity 20312759-81-2C31H34N2O3
2,5-Cyclohexadiene-1-propanoic acid, 1-carboxy-4-hydroxy-α-oxo-, barium salt (1:1)1-????-4-????-??-??-2,5-???????-1-???????2931-08-0C10H12BaO6
Mupirocin Impurity 152591381-21-2C9H16O6
Zolpidem Tartrate Impurity 12294857-70-8C17H16N2O3
Lifitegrast Impurity 682641788-18-1C39H35Cl2N3O10S2
1-(4-Fluorophenyl)-4-[(6bR,10aS)-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxalin-8(7H)-yl]-1-butanone313368-82-0C23H26FN3O
Clobetasol Propionate Impurity 2??????????25122-47-8C26H34ClFO5
Mirogabalin Impurity 322767341-19-3C12H17NO4
Carbazochrome Impurity 225574-55-4C9H9NO4
Phentolamine Mesylate Ep Impurity A2724727-52-8C17H21N3O2
2,8-diethyl-5,5-difluoro-10-(4-iodophenyl)-1,3,7,9-tetramethyl-5H-4l4,5l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine250734-48-6
tert-butyl (R)-3-((S)-1-(tert-butoxy)-3-(3-formylphenyl)-1-oxopropan-2-yl)pyrrolidine-1-carboxylate2565657-72-7C23H33NO5
Thiazolium, 3-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-5-(carboxymethyl)-4-methyl-, chloride (1:1)24941-82-0C12H15ClN4O2S
N-[(1R)-1-Phenylethyl]methanesulfonamide316363-65-2C9H13NO2S
1,2,5]Thiadiazolo[3,4-g]quinoxaline, 4,9-dibromo-6,7-bis[5-(2-ethylhexyl)-2-thienyl]-2710586-85-7C32H38Br2N4S3
Propofol Impurity 382-??????-1,3-??????-??258516-82-4C13H19ClO
Isoproterenol Impurity 2328177-45-9C11H17NO5S
N-(4-Cyano-2-pyridinyl)-2,2-dimethylpropanamide2708281-71-2C11H13N3O
tert-butyl 4-(2-fluoro-6-(methylcarbamoyl)pyridin-3-yl)piperazine-1-carboxylate2589532-04-5C16H23FN4O3
tert-butyl (R)-3-(2-((S)-4-benzyl-2-oxooxazolidin-3-yl)-2-oxoethyl)pyrrolidine-1-carboxylate2565657-33-0C21H28N2O5
Vitamin B6 Impurity 832726926-28-7C16H20N2O5
1-(9H-Fluoren-9-yl)ethanol(+/-)-1-(9-?????)???3023-49-2C15H14O
Stannane, tributyl[6-(2-ethylhexyl)thieno[3,2-b]thien-2-yl]-2653216-28-3C26H46S2Sn
Ethyl (10-(3-chloropropanoyl)-10H-phenothiazin-2-yl)carbamate??10-(B-????????)?????-2-?????34749-22-9C18H17ClN2O3S
Omadacycline Impurity 22272886-35-6C29H38N4O7
Dapagliflozin Impurity 1742183515-32-2C23H29ClO8
3,6-Bis(dimethylamino)-9H-thioxanthen-9-one 10,10-dioxide300717-52-6C17H18N2O3S
Cinacalcet Impurity 10929690-38-8C15H13F3O3S
Resmetirom (Mgl-3196) Impurity 212768217-12-3C13H13Cl2N3O2
Prednisolone Impurity 392477-61-4C21H28O3
10H-Phenothiazine, 3,7-bis(1,1-dimethylethyl)-27075-55-4C20H25NS
Methyl 4-(acetyloxy)-1H-indole-6-carboxylate1H-??-6-?????,4-(?????)-,??????41123-14-2C12H11NO4
Salbutamol Impurity 22238762-31-7C16H25NO3
Relugolix Impurity 222814571-36-1C55H46F4N12O7S2
Methyl 3,5-dimethyl-1h-pyrazole-4-carboxylate3,5-???-1H-???-4-???????????25016-18-6C7H10N2O2
Baloxavir Marboxil Impurity 462591558-80-2C14H10F2OS
Apalutamide Impurity 62894796-78-0C28H19F4N5O3S2
Methyl L-valinateL-????????4070-48-8C6H13NO2
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