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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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Ribavirin Impurity V??????????????89797-67-1C3H6N4O3
2-(Piperidin-4-yl)ethan-1-amine dihydrochloride4-(2-?????)????2HCL90000-31-0C7H18Cl2N2
Tert-butyl (S)-4-hydroxyazepane-1-carboxylate1174020-38-2C11H21NO3
4-Chloro-5-methyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one1226804-06-3C7H6ClN3O
Methyl (2R)-2-hydroxy-4-methylpentanoate112529-90-5C7H14O3
Raloxifene Impurity 19937666-17-6C14H19NO3
Tazobactam Impurity 7904671-24-5C10H12N4O4S
Pemafibrate Impurity 12916515-17-8C28H30N2O6
Formoterol Impurity 71871266-45-4C15H12ClNO4
Noradrenaline (Norepinephrine) Impurity 4694593-04-1C8H9NO3
2-(Chloromethyl)-6-methylthieno[2,3-d]pyrimidin-4-ol878699-59-3C8H7ClN2OS
Empagliflozin Impurity 226915095-83-9C17H14BrClO3
3-Amino-5-methylbenzonitrile186551-97-3C8H8N2
5-(tert-Butoxycarbonylamino-methyl)-2-methyl-benzoic acid5-(tert-??????????-??)-2-??-???165950-06-1C14H19NO4
N-(2-Oxo-2H-chromen-6-yl)acetamide6-??????????833-68-1C11H9NO3
5-Bromo-4-chloro-2-hydroxybenzaldehyde5-???-4-???-2-?????-??????876492-31-8C7H4BrClO2
Ornidazole Impurity 3095881-05-3C11H14N6O5
1-(5-Bromopyrazolo[1,5-a]pyridin-3-yl)ethan-1-one1101120-91-5C9H7BrN2O
Glutamic Acid Impurity 394807-78-0C12H14N2O6
Potassium ((cyclohexylamino)methyl)trifluoroborate??N-??????-???????????????888711-52-2C7H14BF3N.K
5-Hydroxybenzo[b]thiophene-2-carboxylic acid5-??????[b]???-2-?????95094-87-4C9H6O3S
3-Fluoro-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one1256790-95-0C7H5FN2O
Tert-butyl 5-bromo-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate1025719-14-5C18H24BBrN2O4
2-Bromo-8-methyl-[1,2,4]triazolo[1,5-a]pyridine2-???-8-??-[1,2,4]?????[1,5-a]???1352723-51-3C7H6BrN3
Calcium Dobesilate Impurity 1877-19-0C6H4O5S
Vitamin K1 Impurity 12985955-78-8C31H46O3
Pyridine, 2,6-bis(4H-1,2,4-triazol-4-yl)-856849-59-7C9H7N7
Sodium Gualenate Impurity 193914-28-4C15H19NaO3S
6-(2-Hydroxyethyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one136842-80-3C9H10N2O2
4-(1-Aminocyclopropyl)phenol4-(1-a????????)?????1266158-02-4C9H11NO
2-(4-Bromophenyl)sulfonylethanol107737-89-3C8H9BrO3S
Ethyl 5-chloropyrazolo[1,5-a]pyridine-3-carboxylate??5-???????[1,5-a]???-3-???????886364-13-2C10H9ClN2O2
6-Bromo-3,4-dihydropyrido[2,3-d]pyrimidin-2(1H)-one1443677-11-9C7H6BrN3O
2-Benzyl-1,2,5-thiadiazolidine 1,1-dioxide2-??-[1,2,5]???????1,1-?????144432-72-4C9H12N2O2S
Thieno[3,2-d]pyrimidin-7-ylmethanamine???[3,2-d]????-7-????(9CI)871013-29-5C7H7N3S
1,4,5,6-Tetrahydro-cyclopentapyrazole-3-carbaldehyde, dimer1018663-45-0C7H8N2O
2-[2-[3-(Methylamino)propyl]-3-thienyl]-1-naphthalenol940291-11-2C18H19NOS
Ramelteon Impurity Q880152-62-5C16H19NO2
3-Hydroxy-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine3-????-5,6,7,8-??????-[1,2,4]?????[4,3-a]???914654-93-6C5H8N4O
1-(2,4-Dimethoxyphenyl)cyclopropane-1-carboxylic acid1314763-76-2C12H14O4
2-[[2-(Nitrooxy)ethyl]amino]ethanol872299-21-3C4H10N2O4
Famotidine Impurity 2195853-46-6C3H7N3O2S
6,7-Dihydro-5H-cyclopenta[b]pyridin-2-amine146331-19-3C8H10N2
4,4-Dimethyltetrahydrofuran-2-one????-4,4-???-2(3H)-???13861-97-7C6H10O2
Methyl 4-methylpiperidine-4-carboxylate??4-??-4-???????????(SALTDATA:HCl)892493-16-2C8H15NO2
2-Hydroxyquinoline-7-carbonitrile2-??-1,2-????????-7-??????1033747-90-8C10H6N2O
(5s)-5-(Trifluoromethyl)pyrrolidin-2-one(5S)-5-(????????)-2-?????1287211-10-2C5H6F3NO
(E)-11-(4-((4-Butylphenyl)diazenyl)phenoxy)undecyl methacrylate869802-95-9C31H44N2O3
1-(Piperidin-4-ylmethyl)pyrrolidin-2-one139726-90-2C10H18N2O
Melphalan Ep Impurity H(Melphalan Methyl Ester)88457-23-2C14H20Cl2N2O2
[1,2,4]Triazolo[4,3-a]pyridin-6-ylboronic acid1588769-41-8C6H6BN3O2
Medetomidine Impurity 4786347-44-6C13H16N2
Troxerutin Impurity 9862127-01-3C31H38O18
7-Bromo-5-methyl-1H-indole-2-carboxylic acid7-???-5-??-1H-??-2-?????15936-75-1C10H8BrNO2
Stannane, 1,1'-(4,4-dioctyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene-2,6-diyl)bis[1,1,1-trimethyl-874633-50-8C31H54S2Sn2
Dicarbine???17411-19-7C13H18N2
8-Benzyl-2,8-diazaspiro[4.5]decan-1-one8-??-2,8-??????[4.5]??-1-?1123242-53-4C15H20N2O
2-Methoxy-5h,6h,7h-cyclopenta[b]pyridin-5-one2-???-6,7-?????-5H-??????[b]???-5-?1196154-17-2C9H9NO2
4-Hydroxyquinazoline-6-carbaldehyde6-????????????,3,4-????-4-??-1121529-15-4C9H6N2O2
tert-Butyl (2-oxotetrahydrofuran-3-yl)carbamate146514-35-4C9H15NO4
Ethyl 1-(fluoromethyl)cyclopropane-1-carboxylate917095-87-5C7H11FO2
3-Cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole957345-32-3C12H19BN2O2
Meropenem Impurity 4496035-15-3C15H19N3O5S
9,10-Dihydro-9,10-[1,2]benzenoanthracene-2,3,6,7-tetracarboxylic acid945681-55-0C26H19BrO
5-Amino-1H-indazole-7-carboxylic acid5-???-1H-???-7-?????885272-13-9C8H7N3O2
Indacaterol Impurity 76918968-40-8C24H28N2O2
5,6,7,8-Tetrahydroimidazo[1,5-a]pyridine-5-carboxylic acid????[1,5-a]???-5-?????,5,6,7,8-??????-873785-69-4C8H10N2O2
N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)methanesulfonamide1218789-36-6C11H18BN3O4S
Linezolid Impurity 87872991-73-6C17H19FN2O
N,N-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxamide942070-94-2C12H20BN3O3
trans-3-Fluorotetrahydro-2H-pyran-4-ol1443112-12-6C5H9FO2
Methylprednisolone Impurity 8086401-94-7C24H32O6
2-Pentanone, 5-chloro-3-mercapto-, [(4-amino-2-methyl-5-pyrimidinyl)methyl]dithiocarbamate855380-68-6C12H17ClN4OS2
Mizolastine Impurity 5935860-15-4C24H25FN6O
2-Chloro-7-methoxyquinoline-3-carbonitrile2-???-7-??????-3-?????128259-63-2C11H7ClN2O
Betamethasone Impurity 61910-99-6C24H30O5
Bumetanide Impurity 72860694-39-9C7H8N2O4S
3-[(Aminoiminomethyl)amino]-4-methylbenzoic acid859026-97-4C9H11N3O2
2,6-Diiodopyridin-3-ol2,6-Diiodo-3-???????14764-90-0C5H3I2NO
tert-Butyl(S)-(1-phenyl-3-(pyrrolidin-1-yl)propan-2-yl)carbamate(S)-(2-??-1-????-1-???-??)-??tert-??????869377-95-7C18H28N2O2
3-Bromofuro[3,2-b]pyridine92404-63-2C7H4BrNO
N-Acetyl-D-serineD-??,N-???-152612-69-6C5H9NO4
2-(Methylthio)-5,6,7,8-tetrahydropyrido[3,2-d]pyrimidine hydrochloride2-?????-5,6,7,8-???????-???[3,2-d]???????1375064-63-3C8H12ClN3S
5-Chloro-2-fluoro-4-(trifluoromethyl)aniline114973-23-8C7H4ClF4N
rel-1,1-Dimethylethyl (2R,5S)-2,5-bis(hydroxymethyl)-1-pyrrolidinecarboxylate157968-72-4C11H21NO4
N-(4-cyano-2-(trifluoromethoxy)phenyl)acetamide4-???-2-(?????????)???????175278-19-0C10H7F3N2O2
Tert-butyl 9-amino-2-azaspiro[5.5]Undecane-2-carboxylate1779849-06-7C15H28N2O2
(1s,2r)-2-(Methylamino)cyclopentan-1-ol135969-66-3C6H13NO
Tranexamic Acid Impurity 25861518-79-8C16H13ClO4
1-(2,2-Dimethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole864754-40-5C13H23BN2O4
7-Hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one115012-09-4C7H6N2O2
2,3-Dihydro-1h-pyrrolizin-1-one17266-64-7C7H7NO
N-(4-((1e,22e)-4-(e)-4-((2-Ethyl-6-tolyl)(phenyl)amino)styryl)styryl)phenyl)-n-(2-ethyl-6-tolyl)benzenamine954497-18-8C52H48N2
N-(4-Cyano-3-(trifluoromethyl)phenyl)acetamide4-???-3-(????????)???????97760-99-1C10H7F3N2O
6-Bromo-3-(dimethylamino)-1,2,3,4-tetrahydro-9H-carbazole6-???-3-(??????)-1,2,3,4-??????-9H-????186545-33-5C14H17BrN2
5-Cyclopropyl-1,2,4-oxadiazol-3-amine5-??????-1,2,4-?????-3-??(SALTDATA:FREE)868696-42-8C5H7N3O
Opicapone Impurity 191591-66-1C9H9ClN2O
Rosuvastatin Impurity 85925422-06-6C16H19ClFN3O2S
Delafloxacin Impurity 10906088-97-9C29H17F6N3O6
Nintedanib Impurity 7798953-48-1C9H10N2O4
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