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Huaihua Yuanyanda Biotechnology Co., Ltd??? ?? ??? ?????.

?? ?:Huaihua Yuanyanda Biotechnology Co., Ltd
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???:18711085600@163.com
??:China
URL:
? ?? ?:4590

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methyl ethanesulfonate1912-28-3C3H8O3S
Articaine EP Impurity I85006-31-1C7H9NO2S
Sitagliptin Impurity 25?????,b-[[(1,1-??????)????]aMino]-2,4,5-??????-,??????,(bR)-881995-73-9C16H20F3NO4
Propafenone Impurity 131188263-52-6C18H22ClNO3
Pramipexole EP Impurity A(S)-4,5,6,7-???????-2,6-????????106092-09-5C7H11N3S
Dronedarone EP Impurity C HCl141626-57-5C32H46N2O7S2
Propafenone EP Impurity F1329643-40-4C33H32O5
Adefovir dipivoxil impurity1323201-06-5C29H44N10O12P2
Acetaminophen EP Impurity A2-????????614-80-2C8H9NO2
Tadalafil Impurity141795790-92-9C22H19N3O5
Naproxen Impurity 26-???-??-??????-1-???????27602-75-1C14H14O2
Levetiracetam EP Impurity C72762-00-6C5H5NO
Sulfadoxine Impurity 15018-45-1C6H9N3O2
Torasemide EP Impurity DN-[(n-?????)????]-4-[(3-????)a??]-3-????????160972-33-8C17H22N4O3S
Sildenafil EP Impurity C???????139755-91-2C20H26N6O4S
Aciclovir EP Impurity B????????C91702-61-3C8H11N5O3
Naproxen EP Impurity B(S)-5-???-6-???-α-??-2-????????89617-86-7C14H13ClO3
Sertraline EP Impurity F EnantiomerSertralineEP???B52758-05-1C17H20ClN
Theophylline Impurity61174289-18-9C11H14N4O4
Rivaroxaban EP Impurity B1429334-00-8C16H19N3O5
Fudosteine Impurity450727-79-2C9H18N2O4S2
Nintedanib impuritiesD1987887-92-2C24H21N3O3
Sulpiride EP Impurity F2214214-03-4C15H23N3O5S
Carbamazepine Impurity 716968-19-7C14H12N2O4
Zidovudine Impurity 173971-82-1C10H13N5O4
1,4-ditosyl-1,4-diazepane1,4-???-1,4-????5769-35-7C19H24N2O4S2
Nintedanib impuritiesA???1202894783-71-2C30H31N5O4
Favipiravir Impurity 131023813-21-9C5H3Cl2N3O
Tryptophan EP Impurity H2,3,4,9-???????-1H-??-???-3-????6052-68-2C12H12N2O2
Propafenone Impurity 2893885-22-4C21H28ClNO4
Naproxen EP Impurity A52079-10-4C13H12O3
Tadalafil Impurity321753-16-2C12H11N3O2
Sitagliptin Impurity 111459759-18-2C24H23F6N5O2
Sertraline EP Impurity A HCl (1S,4R-Isomer)(1S,4R)????????79896-31-4C17H18Cl3N
Cabozantinib impurities14-?????????352-15-8C6H4FNO
Sitagliptin Impurity 221169707-29-2C24H21F6N5O
Amisulpride EP Impurity GN-Des[(1-??-2-?????)??]-N-(1-??-3-?????)AMisulpride148516-68-1C17H27N3O4S
Fasudil Impurity62044706-58-1C11H11NO3S
Linagliptin iMpurity 21955514-80-3C26H29N9O3
Febuxostat Impurities142230270-05-8C18H20N2O3S
Tadalafil Impurity2477970-20-0C23H21N3O4
Vonoprazan Impurity 10426103-47-9C11H18N2O2S
Dexrazoxane Impurity 41078122-47-0C11H17N3O6
Sunitinib Impurity 42377533-90-7C22H27FN4O3
Ropivacaine Impurity 5826-99-3C11H17N
Propafenone EP Impurity H????????H(EP/BP/USP)27439-12-9C15H12O2
Nimesulide EP Impurity A51765-56-1C13H11N3O7S
etoricoxib impurity41421227-97-5C22H20N2O4S
Neratinib Impurity51144516-21-1C29H27ClN6O2
Bazedoxifene Impurity 81802552-31-3C36H31NO3
Prasugrel Impurity 6947502-66-1C18H18FNO3S
Saxagliptin Impurity 41445592-86-8C11H18N2O3
Naproxen Impurity 6????????27602-79-5C14H12O3
Haloperidol EP impuritiesF?????EP???F1391052-67-7C27H27ClFNO2
Tadalafil EP Impurity H1978322-98-3C22H19N3O6
Saxagliptin Impurity 13865999-67-3C6H9ClN2
Neratinib Impurity 12544417-27-8C33H37ClN6O3
Ibuprofen EP Impurity C59512-17-3C13H19NO
Propafenone Impurity 2189766-51-6C23H31NO4
Metoclopramide Impurity 43-(??????)??????3813-27-2C7H16N2O
Ibrutinib Impurity 6143900-44-1C10H19NO3
Nadifloxacin Impurity 35,6-?????-1,2,3,4-??????-2-?????80076-46-6C10H11F2N
Etoricoxib N-Oxide325855-74-1C18H15ClN2O3S
Fasudil Impurity11423155-03-6C14H17N3O2S
Dronedarone N-Oxide1638586-56-7C31H44N2O6S
Sildenafil Impurity 51621873-33-3C25H36N6O4S
Sulfadoxine Impurity 556305-66-9C10H10N4O3S
Theophylline Impurity27029-96-1C11H14N4O4
Sildenafil Impurity 42520113-03-3C25H34N6OS2
Saxagliptin Impurity 1042711-75-1C11H16O3
Vildagliptin impurities1320297-37-4C6H10N2
5-Hydroxy Propafenone Sulfate5-?????????????1346598-57-9C21H27NO7S
Acotiamide Impurity 3AcotiaMide???9948053-83-6C6H10N4OS
Carbamazepine EP Impurity E10,11-??????-5H-????[b,f]???494-19-9C14H13N
Nimesulide Impurity 238880-53-4C7H8N2O5S
Varenicline N-Oxide2306217-12-7C13H13N3O
Pramipexole Impurity62-????????136-95-8C7H6N2S
Sulfadoxine Impurity 2N(4)-???????5018-54-2C14H16N4O5S
Esomeprazole ImpuritieB043,5-???2-????????.HCL73590-93-9C8H11Cl2N
Levetiracetam EP Impurity D103765-01-1C8H14N2O2
Carteolol HCl EP Impurity H53371-79-2C16H23ClN2O3
Verapamil EP Impurity J HCl?????????67812-42-4C26H37ClN2O4
Ropivacaine EP Impurity D?????-ET-S98626-59-6C16H24N2O
Edaravone Impurity 10710307-89-4C10H12N2O2
Linagliptin iMpurity 81911621-52-7C20H18N6O2
Adrenaline impurities428177-45-9C11H17NO5S
Sertraline Impurity 6944054-28-8C17H17Cl2N
Carbamazepine EP Impurity D5H-???[b,f]???256-96-2C14H11N
Haloperidol impurities21-??-4-??????-4-?63843-83-4C18H21NO
Lornoxicam Impurity372975-44-1C7H7NO3S2
Esomeprazole ImpuritieB110374-16-8C16H17N3O2S
Peramivir impurities27229614-05-5C20H36N2O6
Tryptophan EP Impurity B??????-L-???184955-21-3C11H12N2O4
Favipiravir Impurity 61079990-21-8C5H3FN2O3
Vonorazan Impurities3????????3928325-41-1C17H15F2N3O2S
Topicastat Impurity2445218-61-1C12H11N5O
Sulfadoxine Impurity 364704-11-6C9H11NO4S
etoricoxib impurity15470-70-2C8H9NO2
Adrenaline impurities3139183-81-6C9H13NO6S
Amisulpride Impurity 4483304-04-7C12H17NO3S
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