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

?? ?:Cato Research Chemicals Inc.

??:020-81960175

???:3001970523@qq.com

??:China

? ?? ?:17709

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Glycopyrronium Bromide Impurity 7		1404453-68-4	C19H27BrClNO3
Atropine Impurity 18		532-24-1	C8H13NO
Bupivacaine-d9	?????-d9	474668-57-0	C18H28N2O
Bupivacaine EP Impurity B Hydrochloride	2,6-??????????????	65797-42-4
Rifampicin EP Impurity B	?????????	125833-03-6	C43H58N4O13
Flurbiprofen Impurity 36
Flurbiprofen Impurity 33		1401087-64-6	C19H19FO4
Flurbiprofen Impurity 32	2'-????????????	399-31-5	C8H8FNO
Ampicillin Impurity 56
Amifostine Impurity 10	N,N'-??(2-??????)???-1,3-???	10563-27-6	C7H18N2O2
Penicillanic Acid		87-53-6	C8H11NO3S
Atracurium Impurity 86	2(1H)-?????????,1-[(3,4-?????)??]-3,4-?????-6,7-????-,1,5-????????,(R,R)-(-)-,????????	64228-84-8	C51H66N2O12
Hydroxychloroquine sulfate		747-36-4	C18H28ClN3O5S
Peramivir Impurity 42		251327-01-2	C12H19NO4
6,6-Dibromo Penicillanic
Ropinirole EP Impurity E
Prednisolone Impurity 31	?????17,21-??????	6677-19-6	C25H30O7
Gadobutrol Impurity 113	2,2-???????	77-76-9	C5H12O2
Gadobutrol Impurity 11	????	294-90-6	C8H20N4
Regadenoson Impurity 22		2004-07-1	C10H12ClN5O4
Ivermectin B1b		70209-81-3	C47H72O14
Erdosteine Methyl Ester		1667709-77-4	C9H13NO4S2
Daunorubicin EP Impurity C		79438-97-4	C28H31NO10
Iopromide EP Impurity G (Mixture of Diastereomers)		154361-53-2	C18H23ClI3N3O7
Famotidine Impurity 14	????????	2114-02-5	C2H6N4S
Azacitidine USP Related Compound B		6974-32-9	C28H24O9
Flomoxef Impurity 5		134237-56-2	C25H23ClF2N2O6S
Exemestane Impurity 24	??????????B(15mg)(6-hydroxymethylandrostra-1,4-diene-3,17-dione)	121021-51-0	C20H26O3
Chlorthalidone EP Impurity A		345930-32-7	C14H9ClO6S
Itraconazole Impurity 69
Atropine Impurity 35		5928-44-9
Carbetocin		37025-55-1	C45H69N11O12S
Doxepin EP Impurity C HCl	????????C(25mg)((E-3-(dibenzo[b,e]oxepin-11(6H)-ylidene)-N-methylpropan-1-aminehydrochloride)	4504-96-5	C18H20ClNO
Cefepime Impurity 12
Minodronic Acid		180064-38-4	C9H12N2O7P2
Ziprasidone Impurity 3		188797-77-5	C21H21ClN4O3S
Anastrozole EP Impurity D	α,α,α',α'-?????-5-(??????)-1,3-?????????	1027160-12-8	C15H16Br2N2
Anastrozole EP Impurity C	3,5-??(2-??????-2-?)???????	120511-84-4	C15H17BrN2
Isavuconazole Impurity 87	4,4'-??(2-??????)????	4072-67-7	C16H12Br2O2
Ambrisentan Impurity 2		1639429-81-4	C20H18N2O
Ciprofloxacin Impurity 31		93110-13-5	C13H10ClNO3
Telmisartan-13C-d3		1261396-33-1	C33H27D3N4O2
Avibactam Impurity 46		1383814-70-7	C14H16N2O4
Clindamycin Phosphas Impurity 40
Pregabalin Impurity 44		1990538-03-8	C16H30N2O2
Avibactam Impurity 11		1797133-98-2	C7H12N3NaO6S
Bendamustine Impurity 22		1869075-89-7	C22H33Cl2N3O7
Pemetrexed EP Impurity D Trisodium salt	PeMetrexed???D	1265908-59-5	C25H28N6Na3O93*
Pazopanib Impurity 34		444731-75-3	C14H14ClN5
Carboprost Trometamol EP Impurity B	15(R)-15-?????????F2ALPHA	35864-81-4	C21H36O5
LCZ-696 Impurity 86		1795787-14-2	C23H27N5O3
Norethindrone Acetate EP Impurity G	6-OxoNorethindrone?????	438244-27-0	C22H26O4
Betamethasone Enol Aldehyde E Isomer		52647-07-1	C22H27FO4
Venlafaxine Impurity 14	racDehydro-O-des??????	1346600-38-1	C16H23NO
Desloratadine Citric Amide		1797131-43-1	C25H25ClN2O6
Benserazide EP Impurity B Ethanol		2472968-83-3	C17H21N3O8
Aspirin Impurity 11	2-[[2-(?????)???]??]???2-??????????	85531-16-4	C23H16O8
Hydrocortisone-d4		73565-87-4	C21H26D4O5
Azelastine Impurity 31 HCl
Topiramate Impurity 9		58238-46-3	C9H16O6
(E)-Ceftizoxime Impurity 4
Ceftizoxime Open-ring decarboxylation Dimer Impurity 56
Ceftizoxime Open-ring decarboxylation Dimer Impurity 57
Latamoxef Impurity 11
Procaterol Impurity 7 (Enantiomer Mixture)	?????	72332-33-3	C16H22N2O3
Butylphthalide Impurity 34	???(5-)	502-56-7	C9H18O
Bendamustine Impurity 21		191939-34-1	C16H20ClN3O2S
Nilotinib N-Oxide (Imidazole N-Oxide)		2139382-75-3	C28H22F3N7O2
Ambrisentan Impurity 6		1007358-76-0	C22H22N2O4
Avibactam impurity 94		2064219-16-3	C14H17N3O3
Bupropion-d9 Hydrochloride	?????-D9???	1189725-26-5	C13H10Cl2D9NO
Lacosamide Impurity 20	1,4-?????-2,6-???-4-(3-?????)-3,5-?????????3-(2-?????)5-??????	75130-24-4	C19H19N3O6
Tenofovir alafenamide Impurity 45
(S)-Tolterodine HCl
Famotidine Impurity 50	2-????????-4-????	95853-51-3	C5H8N4S2
Pantoprazole Impurity 6	????????????	953787-55-8	C16H15F2N3O6S
Norethindrone Acetate EP Impurity H		2417092-17-0	C25H34O3
Olopatadine Impurity 34 HCl
Minoxidil Impurity 26	4(3H)-?????,2,6-????-,1-????(9CI)	131230-62-1	C4H6N4O2
Exemestane Impurity 25		2467590-81-2	C20H24O2
Cefotaxime Impurity 49		130468-09-6	C13H15N5O4S2
Atropine Impurity 34		101723-82-4	C18H16O4
Albendazole Impurity 17	N-METHOXYCARBONYLCYANAMIDE????	51234-98-1	C3H3N2NaO2
Carvedilol Impurity 26		2248746-67-8	C24H25N3O5
Chlorthalidone Impurity 15		956-92-3	C14H10ClNO2
Estradiol Impurity 8	6β-????????????????	6856-27-5	C22H28O4
Revefenacin Impurity 16 HCl		886508-20-9	C12H21N3O2
Neostigmine EP Impurity A Iodide	????(3-???????)???	2498-27-3	C9H14INO
Menaquinone impurity 17		62796-50-3	C20H38O
Doxycycline EP Impurity C(HCl)
Gentamycin sulfate EP impurity D
Vilanterol Impurity 26
Dacomitinib Impurity 19
N-formyl Carvedilol
Famotidine Impurity 54
Ribavirin Impurity 48	D-??????(9CI)	613-83-2	C5H10O5
Rocuronium Impurity 52		82467-84-3	C19H28O
Nicorandil EP Impurity C HCl		72676-16-5	C8H11ClN2O2
Rasagiline Impurity 37			C13H15FN6O5
Arotinolol Impurity 17

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

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