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Cato Research Chemicals Inc.??? ?? ??? ?????.

?? ?:Cato Research Chemicals Inc.
??:020-81960175
???:tianwen.zhan@cato-chem.com
??:China
URL: www.cato-chem.com/
? ?? ?:7735
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Cefdinir CP Impurity R(Z)-?????178601-88-2C14H13N5O5S2
Cefdinir USP Impurity A?????????????178949-03-6C7H8N4O4S
Cefotaxime EP Impurity A65052-63-3C14H15N5O5S2
Cefradine EP Impurity E2-?????????215172-75-1C16H17N3O5S
Cefmenoxime Impurity 1184696-69-3C8H8N2O3S
Cefuroxime Sodium EP Impurity F97170-19-9C15H15N3O7S
Cefoperazone Impurity 724209-38-9C10H12N6O3S2
Cefoperazone EP Impurity D37539-03-0C10H11N5O3S2
Celecoxib Impurity 115-(????????)-3-P-TOLYL-1H-???219986-64-8C11H9F3N2
Ceftazidime Impurity 1686299-47-0C13H19N3O5S
Ceftazidime Impurity 23158183-05-2C20H22N4O4S3
Cefepime Impurity 11-??????120-94-5C5H11N
Cefuroxime Axetil64544-07-6C20H22N4O10S
Cefoxitin EP Impurity C（Cefalotin EP Impurity D）??????10590-10-0C14H12N2O4S2
Cefdinir CP Impurity O??????????B(10mg)((6R,7R)-7-[2-(2-???-4-????)??????]-8-??-3-??-5-??-1-??????[4,2,0,2]??-2-?-XNUMX-?????)79350-10-0C14H14N4O4S2
Ceftriaxone Sodium EP Impurity B(Cefotaxime EP Impurity E)（Cefodizime Impurity D）3-?????CefotaxiMe??66340-33-8C14H13N5O5S2
Celecoxib EP Impurity B331943-04-5C17H14F3N3O2S
Cefpodoxime Proxetil EP Impurity BCefpodoxiMeProxetil???B947692-14-0C20H25N5O8S2
Cefpodoxime Proxetil EP Impurity GCefpodoxiMeProxetil???G947692-15-1C23H29N5O10S2
Cefoxitin EP Impurity D1422023-33-3C15H14N2O5S2
Ceftizoxime Impurity 1636923-17-8C7H8N2O3S
Cefuroxime???? ???56238-63-2C16H15N4O8S.Na
Ceftizoxime Impurity 1554639-48-4C28H24N2O5S
Cefixime Impurity 9(Z)-2-(?????????????)-2-(2-??????-4-?)????80544-17-8C8H9N3O5S
Ceftriaxone Disodium74578-69-1C18H19N8NaO7S3
Ceftazidime EP Impurity C??3432-88-0C13H13N3O3S
Cefprozil EP Impurity D106447-44-3C10H12N2O3S
Cephalexin Sulfoxide56193-21-6C16H17N3O5S
Celecoxib EP Impurity A170570-01-1C17H14F3N3O2S
Cefpodoxime Proxetil EP Impurity DCefpodoxiMeProxetil???D947692-13-9C21H27N5O9S2
Celecoxib Impurity 8Celecoxib2-??????170569-99-0C17H14F3N3O2S
Cefpodoxime Proxetil EP Impurity FCefpodoximeProxetilEP???F96680-30-7C22H27N5O10S2
Cefprozil Monohydrate121123-17-9C18H21N3O6S
Ceftriaxone Impurity 372-?????????149-30-4C7H5NS2
Cefditoren Impurity 13?????104145-95-1C19H18N6O5S3
Cefuroxime Sodium EP Impurity B39685-31-9C17H17N3O8S
Cefepime EP Impurity C?2588G104301-63-5C8H10N4O3S
Cefdinir CP Impurity D934986-48-8C14H13N5O6S2
Cefepime EP Impurity E(HCl)CefepiMe???(7-PIME)103121-85-3C13H20ClN3O3S
Cefotaxime EP Impurity D63527-53-7C16H17N5O7S2
Cefuroxime Axetil EP Impurity B(E)-????????DISCONTINUED97232-96-7C20H22N4O10S
Cefotaxime EP Impurity F175032-97-0C30H30N10O12S4
Cefuroxime Sodium EP Impurity C69822-88-4C15H15N3O6S
Cefuroxime Sodium EP Impurity G97232-98-9C17H17N3O8S
Di(cefuroxime Ethyl) Ether1202925-10-7C36H38N8O17S2
Cefixime Impurity 8（Cefdinir CP Impurity C）79349-82-9C9H10N2O3S
Cefixime79350-37-1C16H15N5O7S2
Cefalexin EP Impurity F79750-46-2C16H17N3O4S
Cephalexin EP Impurity C?????????72528-40-6C24H24N4O5S
Ceftazidime EP Impurity G194241-83-3C11H14N4O5S
Cefmetazole Impurity 370993-70-3C13H13N3O5S2
Ceftazidime EP Impurity H1354396-23-8C23H24N6O7S2
Cefprozil Impurity 46120709-09-3C10H12N2O3S
Ceftriaxone Sodium EP Impurity DS-2-?????? 2-???-??-(??????)-4-????? ????80756-85-0C13H10N4O2S3
Cefuroxime Sodium EP Impurity I(Z)-??-(??????)??-2-????39684-61-2C7H7NO4
Cefuroxime Sodium EP Impurity I(Ammonium Salt)(Z)-2-??????-2-(??-2-?)????????97148-39-5C7H10N2O4
4,5-Dihydro Cefradine Impurity4',5'-????????37051-00-6C16H21N3O4S
Cefpodoxime Proxetil87239-81-4C21H27N5O9S2
Cefdinir Impurity 401356842-10-8C13H11N3O6S
Cefpodoxime Proxetil EP Impurity ECefpodoxiMeProxetil???E217803-89-9C22H27N5O10S2
Cefuroxime Sodium EP Impurity E?????????(E)-CefuroxiMeAxetil97232-97-8C16H16N4O8S
Cefepime EP Impurity D2-???-??-(??????)-4-?????? ?65872-41-5C6H7N3O3S
Cefoperazone Sodium62893-20-3C25H28N9NaO8S2
Celecoxib Impurity 182247197-67-5C19H17F3N2O3S
Ceftazidime EP Impurity ACEFTAZIDIME???A1000980-60-8C22H22N6O7S2
4-Sulfonamide-phenylhydrazine hydrochloride4-?????-?????????27918-19-0C6H10ClN3O2S
Ceftriaxone Sodium EP Impurity C???????-2-??-3-???-1,2,4-????-5,6-??58909-39-0C4H5N3O2S
Cefotaxime EP Impurity B?????????66340-28-1C14H15N5O6S2
Ceftazidime EP Impurity E102772-66-7C26H30N6O7S2
Cefdinir CP Impurity T&UCefdinirIMpurity3(CefdinirDecarboxyOpenRingLactone(A?B????))178949-04-7C13H15N5O4S2
Cefuroxime Sodium EP Impurity H(Cefuroxime Axetil EP Impurity E)947723-87-7C15H13N3O6S
Celecoxib Impurity 7170570-09-9C18H16F3N3O2S
Cephalexin Impurity 18L-????34632-04-7C16H17N3O4S
Cefuroxime Axetil EP Impurity A123458-61-7C20H22N4O10S
Cefoperazone EP Impurity B5-?????-5-????????711598-76-4C25H27N9O8S2
Cefdinir Impurity 29178422-40-7C7H10N4O4S
Ceftazidime EP Impurity BCeftazidimeEP???B97148-38-4C22H22N6O7S2
(E)-Ceftizoxime Impurity 168403-31-6C13H13N5O5S2
Cefditoren Pivoxil117467-28-4C25H28N6O7S3
Cefetamet Pivoxil Hydrochloride111696-23-2C20H26ClN5O7S2
Celecoxib?????169590-42-5C17H14F3N3O2S
Cefdinir91832-40-5C14H13N5O5S2
Celecoxib Impurity 172247197-66-4C18H15F3N2O3S
Cefuroxime Axetil EP Impurity D55268-75-2C16H16N4O8S
Cefminox Impurity 1(Cefoperazone EP Impurity C/Cefamandole EP Impurity D)5-???-1-??????13183-79-4C2H4N4S
Cefixime EP Impurity F79368-95-9C18H19N5O7S2
Cefdinir Impurity 6?????????????79350-14-4C14H12N4O5S2
Cefpodoxime Proxetil EP Impurity H947692-16-2C42H54N10O18S4
Cefadroxil EP Impurity A(Amoxicillin EP Impurity I)D-4-?????????22818-40-2C8H9NO3
Cefepime dihydrochloridum monohydricum123171-59-5C19H28Cl2N6O6S2
Ceftriaxone Sodium EP Impurity E58909-56-1C12H13N5O5S2
Cefoperazone EP Impurity ADes-(N-??-5-??????)?????????73240-08-1C23H23N5O8S
Cefprozil EP Impurity F107937-01-9C10H12N2O3S
Cefditoren Impurity 1148774-47-4C25H28N6O7S3
Celecoxib Impurity 16915280-81-8C8H8F3N3O3S
Cefpodoxime Proxetil EP Impurity C339528-86-8C21H27N5O9S2
Celecoxib Impurity 232247197-65-3C17H14F3N3O4S
Cefpodoxime Proxetil EP Impurity A80210-62-4C15H17N5O6S2
Cefoperazone-d52410425-70-4C25H27N9O8S2
Cefuroxime Sodium EP Impurity A56271-94-4C15H15N3O7S
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