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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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Pomalidomide Impurity 37		92792-46-6	C16H10N2O6
Moxifloxacin Impurity 92	??????????2	929102-25-0	C20H24FN3O2
Salmeterol Impurity 8		934842-69-0	C32H43NO4
2,2-Dichloro-N,N-diethylacetamide	2,2-????-N,N-?????????	921-88-0	C6H11Cl2NO
1-Oxa-6-azaspiro[3.3]heptane	1-??-6-?????[3.3]???????	936947-34-1	C5H9NO
N-[3,5-Bis(trifluoromethyl)phenyl]-N'-[(1S,2R)-2,3-dihydro-2-hydroxy-1H-inden-1-yl]thiourea		949480-57-3	C18H14F6N2OS
2,3,4,5-Tetrahydro-1H-1,5-methanobenzo[d]azepine-6,8-diamine		950781-91-6	C11H15N3
Gemcitabine Impurity 11		928797-50-6	C10H16F2O5
Nebivolol Impurity 99(Ss,Rs)		920299-27-0	C22H26ClF2NO4
2H-1-Benzopyran-2-methanol, α,α'-[iminobis(methylene)]bis[6-fluoro-3,4-dihydro-, hydrochloride (1:1), (αS,α'S,2S,2'S)-		920275-27-0	C22H26ClF2NO4
Rocuronium Bromide Impurity 29		1252016-49-1	C27H46N2O3
Ethyl (5β)-3,7-dioxocholan-24-oate		130081-08-2	C26H40O4
Glycopyrrolate Impurity 42		1404453-63-9	C13H14O3
Ethyl 3-iodo-1-methyl-1H-indazole-5-carboxylate	??3-???-1-??-1H-???-5-???????	1092351-68-2	C11H11IN2O2
Lidocaine Impurity 27		112843-97-7	C12H13Cl2NO2
2-(2-Chloropyridin-4-yl)acetonitrile		1000565-45-6	C7H5ClN2
3-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine		1073371-84-2	C12H18BNO2
3-(Trifluoromethoxy)isonicotinic acid		1221171-76-1	C7H4F3NO3
Aciclovir N-Methyl-L-valinate Hydrochloride	AcyclovirN-Methyl-L-valinate???	1346617-39-7	C14H23ClN6O4
Methyl 1-(5-bromopyrimidin-2-yl)cyclopropanecarboxylate		1447607-69-3	C9H9BrN2O2
(5Z,9E)-6,10,14-Trimethylpentadeca-5,9,13-trien-2-one		1117-51-7	C18H30O
1-Fluoro-4-(3-iodopropyl)benzene		118156-84-6	C9H10FI
Edaravone Impurity 1	????????	100-34-5	C6H5ClN2
Pazopanib Impurity 32		1072836-76-0	C14H17N3O4S2
8-Dechloro-7-chloro Loratadine		1346602-19-4	C22H23ClN2O2
Chlorpromazine Ep Impurity F		13094-24-1	C17H19ClN2S
Camphor Impurity 13		1242184-36-6	C12H20O4S
1-tert-Butyl 3-methyl 3-fluoroazetidine-1,3-dicarboxylate	??1-Boc-3-????????-3-???????	1363382-00-6	C10H16FNO4
(αR,2R)-6-Fluoro-3,4-dihydro-α-[[(phenylmethyl)amino]methyl]-2H-1-benzopyran-2-methanol		1029684-20-5	C18H20FNO2
Methyl 5-(4-bromophenylamino)-4-fluoro-1-methyl-1H-benzo[d]imidazole-6-carboxylate		1000340-06-6	C16H13BrFN3O2
Pinaverium Bromide Impurity 10		135964-95-3	C26H41Br2NO4
6,6'-Dimethyl-[2,2'-bipyridine]-4,4'-dicarboxylic acid		144342-49-4	C14H12N2O4
Prednisolone-17-ethylcarbonate	??????17-???????	104286-02-4	C24H32O7
2-(1-Methyl-1H-pyrazol-5-yl)acetonitrile	(1-??-1H-???-5-?)??????	1071814-43-1	C6H7N3
5-(2-(ethylthio)propyl)-3-hydroxy-2-propionylcyclohex-2-en-1-one		111031-74-4	C14H22O3S
Aripiprazole Impurity 24		1410831-12-7	C11H10O2
1,2-Bis(2-Bromoethoxy)Benzene		136383-33-0	C10H12Br2O2
Methyl 4'-methyl-[2,2'-bipyridine]-4-carboxylate		142593-05-3	C13H12N2O2
(R)-2-((S)-(4-(Benzyloxy)phenyl)((4-fluorophenyl)amino)methyl)pentanedioic acid	(2R)-2-[(S)-[(4-??????)???][4-(?????)??]??]??????	1013025-04-1	C25H24FNO5
Ketoprofen Impurity 41		108315-48-6	C15H14O3
Itraconazole Impurity 54		113770-65-3	C20H19Cl2N3O5S
Axitinib Impurity 17		1428728-84-0	C44H36N8O2S2
Rasagiline Impurity 14		1175018-79-7	C12H14ClN
Tert-butyl 3-(cyanodiphenylmethyl)pyrrolidine-1-carboxylate	2,2-???-2-(1-Boc-3-?????)??????	1159977-31-7	C23H26N2O2
8-(2-Aminoethyl)-5-hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one hydrochloride		1035229-35-6	C10H13ClN2O3
4H-Cyclopenta[2,1-b:3,4-b']dithiophene, 4,4-dioctyl-2,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-		1040858-67-0	C37H60B2O4S2
Methyl 2-(imidazo[1,2-a]pyridin-2-yl)acetate		1260383-71-8	C10H10N2O2
Caspofungin Impurity 8		1404083-47-1	C52H86N10O16
Brivudine Impurity 19	2-???-??-L-????-??????	113890-38-3	C5H10O4
1-Bromo-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine	1-???-5,6,7,8-???????????[1,5-A]???	1188265-59-9	C6H8BrN3
4-Amino-2-fluoro-5-nitrobenzonitrile	4-???-2-????-5-????????	143151-03-5	C7H4FN3O2
Dexamethasone Impurity 82		1169872-15-4	C22H26O5
N,N'-Bis(2-(((2-((dimethylamino)methyl)thiazol-4-yl)methyl)thio)ethyl)-2-nitroethene-1,1-diamine	N'-[2-[[[2-[(??????)??]-4-????]??]??]??]????	1193434-63-7	C20H33N7O2S4
3-Chloropyridazin-4-ol		1379240-74-0	C4H3ClN2O
2-Chloro-6-(4-methoxybenzyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one		1440519-73-2	C15H13ClN2O2
Benzyl (2-oxopropyl)carbamate		111491-97-5	C11H13NO3
Baricitinib Impurity 16		1187594-16-6	C14H13N7
Rivaroxaban Impurity 74		1325210-62-5	C18H20ClN3O4S
Triethylgermanium hydride		1188-14-3	C6H16Ge
4-(5-Chloro-2-(2-methyl-4-(2-methylbenzamido)benzamido)phenyl)-4-hydroxybutanoic acid		1346599-75-4	C26H25ClN2O5
3-Bromo-5,6-difluoro-1H-indazole	3-???-5,6-?????-1H-???	1017781-94-0	C7H3BrF2N2
4,7-Methano-1H-isoindole-1,3(2H)-dione, 3a,4,5,6,7,7a-hexahydro-2-[4-(1-piperazinyl)butyl]-, (3aα,4β,7β,7aα)-		105981-33-7	C17H27N3O2
Domperidone Impurity 14		107618-26-8	C14H20ClN3O2
Cyclobutylhydrazine dihydrochloride	???????????????	1156980-49-2	C4H11ClN2
Fluralaner Impurity 35		1164268-79-4	C22H20Cl2F3NO3
(2S,3S,4R,5R,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate		1443341-94-3	C27H31ClO9
Brivudine Impurity 16	2-???-??-L-????-??????	113890-35-0	C5H10O4
methyl 4-bromo-2-fluoronicotinate	4-???-2-???????-3-???????????	1240611-45-3	C7H5BrFNO2
1-Boc-3-(aminomethyl)-3-methylpiperidine		1158759-16-0	C12H24N2O2
Afatinib Impurity S		1449430-53-8	C14H10ClFN4O
6-Chloro-8-fluoro-[1,2,4]triazolo[4,3-a]pyridine	6-???-8-????-[1,2,4]?????[4,3-a]???	1020253-21-7	C6H3ClFN3
Mivacurium Chloride Impurity 5		107740-65-8	C58H80ClN2O14+
Epirubicin Hydrochloride Ep Impurity G((Epirubicin Dimer)		1046827-43-3	C54H58N2O22
Benzyl 3-amino-3-methylpyrrolidine-1-carboxylate	??3-???-3-??????-1-???????	1215020-90-8	C13H18N2O2
Brivaracetam Impurity X		10547-88-3	C7H12O2
Budesonide Impurity 43		131918-67-7	C24H30O6
Cyclohexanamine 2-(phosphonooxy)acrylate hydrate	PHOSPHOENOLPYRUVICACIDTRIS(CYCLOHEXYLAMMONIUM)??	123334-13-4	C21H44N3O6P
1-Hydroxy-4-(3-methylbut-2-en-1-yl)-9H-carbazole-3-carbaldehyde		142846-95-5	C18H17NO2
tert-Butyl (6-(hydroxymethyl)pyrimidin-4-yl)carbamate	tert-??(6-(??????)????-4-?)??????	954097-20-2	C10H15N3O3
Mivacurium Chloride Impurity 4		107740-66-9	C25H36ClNO6
Ezetimibe Impurity 85		1197343-07-9	C43H44F2N2O5Si
Ezetimibe Impurity 87		1368310-60-4	C12H15FO3
Finasteride Impurity 21		116285-41-7	C23H36N2O4
2,7-Dibromo-benzo[1,2-b:4,5-b]bis(4,4'-diethylhexyl-4H-silolo[3,2-b]thiophene)		1217503-11-1	C46H72Br2S2Si2
5-Amino-2-chloroisonicotinamide	5-???-2-??????-4-??????	1217026-70-4	C6H6ClN3O
Benzyl (3s,4s)-4-amino-3-hydroxypiperidine-1-carboxylate		1007596-63-5	C13H18N2O3
4,5,6,7-Tetrahydro-[1,2,3]triazolo[1,5-a]pyrazine hydrochloride	4,5,6,7-TETRAHYDRO[1,2,3]TRIAZOLO[1,5-A]PYRAZINE???	123308-28-1	C5H8N4
2,2'-dihydroxybiphenyl-3,3'-dicarbaldehyde		99124-34-2	C14H10O4
Methyl (S)-1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate		1251905-45-9	C17H17NO2
Rebamipide Impurity 33		1028268-32-7	C24H23ClN2O6
4-(5-Chloro-2-(2-methyl-4-(2-methylbenzamido)benzamido)phenyl)-4-oxobutanoic acid		1346599-56-1	C26H23ClN2O5
Fluoromethyl(6α,11β,16α,17α)-6,9-Difluoro-11-hydroxy-16-methyl-3-oxo-17-(1-oxopropoxy)-androsta-1,4-diene-17-carboxylate		1174034-79-7	C25H31F3O6
Isoproterenol Impurity 4		98496-30-1	C11H15NO3
Perospirone Impurity 2		117307-09-2	C8H11NO2
Propylene glycol dipropionate	???-1,2-??????????	10108-80-2	C9H16O4
(1S,2R)-2-(4-Bromophenyl)cyclopropan-1-amine hydrochloride		1228092-83-8	C9H11BrClN
(S)-(4-Chlorophenyl)(cyclopropyl)methanamine	(1S)(4-?????)???????????	1075715-55-7	C10H12ClN
Ezetimibe Impurity P		1296129-16-2	C33H30F2N2O5
Exemestane Impurity 3		110664-42-1	C22H28O3
Raltegravir Impurity SA25617		1172131-64-4	C21H27FN4O4