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

?? ?:Cato Research Chemicals Inc.

??:020-81960175

???:3001970523@qq.com

??:China

? ?? ?:17709

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Ifosfamide EP Impurity C HCl	2-??????? ???	870-24-6	C2H7Cl2N
Nebivolol Impurity 50		99199-62-9	C10H11FO2
Cladribine EP Impurity D		5542-92-7	C10H12ClN5O3
Dienogest EP Impurity E	??????????	102193-41-9	C22H31NO3
Vitamin K1 Hydroperoxide Impurity 2		23397-22-0	C31H46O4
Tofacitinib Impurity 118		1615709-89-1	C14H17BrN2
Piracetam Impurity 6		1096803-44-9	C6H12N2O3
Entecavir Impurity 56		1354695-85-4	C26H27N5O3
Imidapril Diacid	???????	89371-44-8	C18H23N3O6
Memantine-d3 HCl		1329802-06-3	C12H22ClN
Vitamin K1 Impurity 42		326475-12-1	C20H38
Norfloxacin Impurity 31
Metaraminol Impurity 13		47017-04-9	C16H19NO2
Ethaverine Hydrochloride	???????	985-13-7	C24H29NO4.ClH
Edoxaban Impurity 95		480450-85-9	C21H31N5O5S
Etomidate impurity 59
Vonoprazan Impurity 89		1224739-02-9	C8H5Br2FO
Glycochenodeoxycholic Acid Ethyl Ester		70779-05-4	C28H47NO5
Vonoprazan Fumarate impurity 1	2-[2-(2-??????)-2-????]???????	312307-38-3	C11H7FN2O
Aristolactam I		13395-02-3	C17H11NO4
Posaconazole Impurity 37
D-dihydrophenylglycine Methyl Ester			C9H13NO2
Linezolid Impurity 43		1798014-14-8	C32H31FN4O7
Linezolid Impurity 79	N-(3-?????-2-(R)-???????)-3-????-4-(?????)???	874340-08-6	C21H22FN3O4
7-Hydroxy Mitomycin		7041-61-4	C15H17N3O6
Atropine Impurity 21	(R)-2-??-3-?????????	17126-67-9	C9H10O3
Flurbiprofen Impurity 80
Prochlorperazine EP Impurity A	?????????????	10078-27-0	C20H24ClN3OS
Erdosteine Impurity 10		121213-21-6	C8H13NO5S2
VareniclineImpurity23		1350219-74-7	C13H14ClN3O2
N-Nitroso Desmethyl Tigecycline 2
Docetaxel EP Impurity B	10-??????	167074-97-7	C43H51NO14
Docetaxel EP Impurity D	7-??-10-??-????(???????D)	162784-72-7	C43H51NO14
Oseltamivir Impurity 211
Pemetrexed EP Impurity B		1802552-04-0	C40H40N10O13
Pemetrexed EP Impurity C		1802552-16-4	C40H40N10O13
Iopromide Impurity 9	3-???-5-[[(2,3-????????)???]????]-2,4,6-?????-???	111453-32-8	C11H11I3N2O5
Benzbromarone Impurity 18		857537-46-3	C7H6Br2N2O2
L-Ornithine L-Aspartate Impurity 7		886996-37-8	C9H17N3O5
Z-Cilnidipine Impurity 5		146924-45-0	C27H28N2O7
Methylprednisolone Impurity 57		1048031-80-6	C22H30O4
Indobufen Impurity 18	2-??????	90-27-7	C10H12O2
Cimaterol-d7		1228182-44-2	C12H10D7N3O
Lactose Monohydrate	L-???? ?????????	10039-26-6	C12H24O12
6-Amino-2-oxohexanoic acid		10606-14-1	C6H11NO3
Valnemulin EP Impurity B	14-O-[(1-AMino-2-?????-2-?)?????]???	133787-61-8	C26H43NO4S
2,6-Dimethylocta-2,7-diene-1,6-diol		64142-78-5	C10H18O2
2-Cyano-3-(trifluoromethyl)pyridine	2-???-3-???????????	406933-21-9	C7H3F3N2
1-(2-(2,4-DICHLOROPHENYL)-2-((4-(PHENYLTHIO)BENZYL)OXY)ETHYL)-1H-IMIDAZOLE		72479-26-6	C24H20Cl2N2OS
1H,1H,2H-Perfluorotetradec-1-ene	(????????)???	67103-05-3	C14H3F25
2-(2-Chlorophenyl)oxirane		62717-50-4	C8H7ClO
Cefcapene Impurity 14
Cefcapene Impurity 13
Sorafenib Impurity 56		864272-34-4	C13H11N3O4
Acetic anhydride-d6		16649-49-3	C4D6O3
1-Chloro-2-methyl-2-propanol	???-2-??-2-????	558-42-9	C4H9ClO
Succinyl-(Asp6,N-Me-Phe8)-Substance P (6-11)	????	106128-89-6	C40H55N7O11S
Dutasteride Impurity 16		1430804-94-6	C19H29NO3
Ropivacaine Impurity 20	N-(2,6-?????)??????	84951-65-5	C14H14N2O
Ropivacaine Impurity 21	4-?????????,N-(2,6-?????)-	68280-05-7	C14H14N2O
Colesevelam Amino Dihexylquat Impurity HBr (Amino Dihexyltrimethylammonium Bromide HBr)		2170771-70-5	C18H44Br2N3+
Finasteride Impurity 38		103335-54-2	C19H27NO3
N-(2,6-dimethylphenyl)piperidine-4-carboxamide	N-(2,6-?????)????-4-??????	109403-19-2	C14H20N2O
Butyl 2-((2,6-dimethylphenyl)carbamoyl)piperidine-1-carboxylate		2488656-58-0	C19H28N2O3
N-(2,6-dimethylphenyl)piperidine-3-carboxamide		337488-90-1	C14H20N2O
Rapamycin Impurity 22		185107-79-3	C51H81NO14
Polaprezinc	??????	107667-60-7	C9H12N4O3Zn
Peramivir Impurity 62		229614-93-1	C15H28N4O3
Urapidil Impurity 66		2219339-64-5	C11H15N3O2
Alanyl Glutamine Impurity 18 TFA Salt
Cyclandelate		456-59-7	C17H24O3
Urapidil Impurity 78		34667-68-0	C19H27N5O3
Fingolimod EP Impurity H	N-[1,1-??[(?????)??]-3-(4-????)???]??????	162358-09-0	C25H39NO5
Fingolimod Impurity 3		746594-44-5	C20H35NO2
Fingolimod EP Impurity D		780729-32-0	C21H37NO2
Fingolimod EP Impurity F HCl		851039-24-2	C35H57NO2
Fluorescein Impurity 5		7262-41-1	C22H14O6
Daprodustat Impurity 11		7150-63-2	C9H16N2O5
Ropivacaine impurity 30
Naltrexone Impurity 19		112269-62-2	C20H23NO5
Desacetamido Ceftizoxime
Cenobamate impurity 01		913089-08-4	C10H10ClN5O2
Mirabegron Impurity 28
Azacitidine Impurity 81
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-Heneicosafluoro-1-dodecanol 1-(Dihydrogen Phosphate) 57678-05-4 Mono[2-(perfluorodecyl)ethyl] Phosphate	3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-????????????????	57678-05-4	C12H6F21O4P
Indobufen Impurity 31			C21H24N4O3S
Nemonoxacin Impurity 27		926279-65-4	C13H10FNO4
Difelikefalin Impurity 25 Trifluoroacetic acid
Ertapenem Impurity 25
Perindopril-d4	?????-d4	1356929-58-2	C19H28D4N2O5
Rimegepant Impurity 38		1373116-05-2	C16H16F2N2O
Letermovir Impurity 30
Difelikefalin Impurity 17 Trifluoroacetic acid
1,1-Dibutyl-2-((2,6-dimethylphenyl)carbamoyl)piperidin-1-ium iodide		852669-91-1	C22H37N2O.I
Benzbromarone Impurity 11		1009843-43-9	C10H10N2O
Rosuvastatin Impurity 104		1263475-93-9	C16H18FN3O4S
Fosfomycin Impurity 51 Disodium Salt		76274-77-6	C3H9O4P
Amlodipine Impurity 78	?????4-???-3-????????		C7H11ClO3
Cefcapene Impurity 19
Tulobuterol Impurity 8		69240-90-0	C12H18ClNO

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

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