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

?? ?:Cato Research Chemicals Inc.

??:020-81960175

???:3001970523@qq.com

??:China

? ?? ?:17709

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Nitrendipine EP Impurity C		21829-28-7	C19H22N2O6
Marbofloxacin EP Impurity F		194023-72-8	C17H19FN4O5
Indobufen Impurity 2		881650-49-3	C10H13NO3
Indobufen Impurity 17	p-???????	104-03-0	C8H7NO4
Pemetrexed EP Impurity A Disodium salt
Tranexamic Impurity 19	4-?????????	5278-91-1	C8H6Cl2O2
Sulbactam		68373-14-8	C8H11NO5S
Rapamycin Impurity 10		157054-84-7	C52H81NO13
Paliperidone Impurity 42	??????????????	1380413-60-4	C23H28N4O3
Octreotide EP Impurity E		1546983-27-0	C49H66N10O10S3
Octreotide EP Impurity C
Bupivacaine Impurity 27 HCL		2774312-11-5	C18H28N2O
Norepinephrine EP Impurity E	2-???-3',4'-???????????	99-40-1	C8H7ClO3
Epinastine Impurity 9		141342-71-4	C15H15N3O2
2-Debenzoyl Paclitaxel 2-Pentanoate	2-?????????2-??????	213767-22-7	C45H55NO14
Trimebutine-d5 Fumarate
Rilpivirine Amide		500288-66-4	C22H20N6O
Taurourscholic acid		86386-60-9	C26H45NO7S
Cimetidine EP Impurity J	4-[[(2-?????)??]??]-5-??????	38585-67-0	C7H13N3S
Clobetasol Propionate EP Impurity F		2412496-00-3	C22H27FO4
Clofarabine Impurity 7	6-??????	10310-21-1	C5H4ClN5
Fenofibrate Impurity 7	3-???-4'-?????????	61002-52-6	C13H9ClO2
Fluvastatin Impurity 11	3-?????????????	1331643-17-4	C24H23FNNaO4
Iodixanol USP Related Compound D	??????????D(50MG)(5-[ACETYL(2-HYDROXY-3-METHYLPROPYL)AMINO]-N,N'-BIS(2,3-DIHYDROXYPROPYL)2,4,6-TRIIODO-1,3-??-???????)	89797-00-2	C20H28I3N3O9
Iodixanol EP Impurity E		255376-57-9	C32H38I6N6O13
Losartan Impurity 20	4-(2-?????)?????	154709-19-0	C14H11NO
Peramivir Impurity 7		383910-22-3	C18H30N2O5
Theophylline Impurity 2	1-????	6136-37-4	C6H6N4O2
6-Bromo-2-naphthoic acid	6-???-2-????	5773-80-8	C11H7BrO2
Verapamil Impurity 27	3,4-???????????	7306-46-9	C9H11ClO2
Ascorbic Acid Impurity 44	D-???-2-?????	21675-47-8	C6H10O7
Sancycline	?????	808-26-4	C21H22N2O7
1-Bromo-2-naphthol	1-???-2-???	573-97-7	C10H7BrO
Nafamostat Impurity 17
Triamcinolone Acetonide Impurity 36		159210-07-8	C20H25FO6
Triamcinolone EP Impurity B		3859-65-2	C23H29FO7
Penehyclidine Impurity 10		5422-88-8	C12H14O
Nilotinib N-Oxide	????N-???	1246817-85-5	C28H22F3N7O2
(6R,7S)-Cefuroxime Isomer
Isaaconazole Sulfate Impurity 2
Rocuronium Bromide		119302-91-9	C32H53BrN2O4
Nafamostat Impurity 27			C11H10N2O2
Azathioprine Impurity 6	6-?????	154-42-7	C5H5N5S
Parecoxib sodium Impurity 19		37928-17-9	C16H13NO
Cetirizine Lactose Ester Hydrochloride Salt (a/b-mixture, mixture of diastereomers)
Cefprozil Impurity 18
Doxofylline Impurity 11		109403-76-1	C15H16N8O4
Octreotide EP Impurity I Acetate		83795-61-3	C51H68N10O11S2
1-Bromo-3-hydroxynaphthalene		5498-31-7	C10H7BrO
Nafamostat Impurity 33	3-?????????-1-?????	91059-46-0	C11H7NO
Nafamostat Impurity 34	7-?????-1-??????	19307-13-2	C11H7NO
Nafamostat Impurity 35	7-?????-????-2-?????	130200-58-7	C11H7NO
Busulfan Impurity 16
Dapoxetine Impurity 75		2687-12-9	C9H9Cl
Venlafaxine Impurity 17	D,LN,O-?????????	135308-74-6	C15H23NO2
Glycopyrrolate USP Related Compound B	1-??????-3-???????????????	13118-11-1	C18H25NO3
Nafamostat Impurity 6
Lincomycin EP Impurity D Hydrochloride(7-epi Lincomycin Hydrochloride)	7-??????????	26389-84-4	C18H35ClN2O6S
Gemcitabine Impurity 5		2174019-90-8	C16H15F2N3O5
Domperidone Impurity 15		142799-22-2	C13H16Cl2N2O
Bosentan Impurity 2		174227-14-6	C25H25N5O5S
Parecoxib Impurity 68	????????B	1373038-60-8	C32H25N3O6S2
Lafutidine Impurity 2	???????B	174583-84-7	C22H29N3O5S
Bupivacaine		2180-92-9	C18H28N2O
Clobetasol Propionate	????????????	25122-46-7	C25H32ClFO5
Tauroursodeoxycholic Acid	?????????	14605-22-2	C26H45NO6S
Isavuconazole Impurity 32	???,N-[(1,1-??????)????]-N-??-,[2-[[(1-??????)????]?????]-3-????]??????	338990-31-1	C18H26ClN3O6
Candesartan Cilexetil Impurity 14		136304-78-4	C22H19N3O2
Oxybuprocaine Impurity 3		2374-03-0	C7H7NO3
Tazobactam	?????	89786-04-9	C10H12N4O5S
Lamivudine EP Impurity F	???	66-22-8	C4H4N2O2
Cefotaxime open ring lactone		75679-12-8	C14H15N5O6S2
Eltrombopag Impurity 63 HCl		60481-51-8	C8H13ClN2
Naltrexone Impurity 21		64643-76-1	C21H23NO6
Octreotide EP Impurity G Acetate		108102-47-2	C49H66N10O10S2
Domperidone Impurity 7	??4-[(4-???-2-?????)???]????-1-???????	53786-44-0	C14H18ClN3O4
Telmisartan-d7		1794754-60-1	C33H23D7N4O2
Ampicillin Impurity 34
Nafamostat Impurity 5
Phenylephrine Impurity 57		1477-63-0	C9H13NO2
LCZ-696 Impurity 16		1639970-62-9	C22H23NO4
Estradiol Impurity 30		4954-08-9	C19H24O2
Safinamide Impurity 38		1827614-91-4	C18H20FNO3
Octreotide EP Impurity F		133304-81-1	C51H68N10O11S2
Sulbactam Impurity A Ethyl Sulfite
Epinastine Impurity 11		2702358-41-4	C16H13N3O2
Isavuconazole Impurity 61	2-(2-??????)?????	683274-86-4	C9H6BrNO
Fudosteine Impurity 52
Nafamostat Impurity 38
Nafamostat Impurity 40		860363-16-2	C13H9NO2
Nafamostat Impurity 37	???,4-[(????????)???]-,??????(9CI)	122228-09-5	C9H11N3O2
Propranolol EP Impurity B HCl		2172495-51-9	C29H34ClNO4
Octreotide EP Impurity A Acetate
Cefaclor Diketopiperazine
Faropenem Impurity 54
Tacrolimus Impurity 46		139958-51-3	C43H67NO12
Entacapone JP Impurity C
Octreotide EP Impurity B Acetate
Ubidecarenone (Coenzyme Q10) EP Impurity B (Mixture of Isomers)
Valganciclovir Hydrochloride Bis Impurity

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

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