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

?? ?:Cato Research Chemicals Inc.

??:020-81960175

???:3001970523@qq.com

??:China

? ?? ?:17980

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Z-Ala-OH		1142-20-7	C11H13NO4
3-Hydroxyhippuric acid	3-?????????	1637-75-8	C9H9NO4
Voriconazole Impurity 17(Mixture of Diastereoisomer)		188416-35-5	C16H13ClF3N5O
Aristolochic Acid D	ARISTOLOCHICACIDD(RG)(?????)	17413-38-6	C17H11NO8
Posaconazole Impurity 171
Resorcin Monoacetate	?????????	102-29-4	C8H8O3
4-Picoline-N-oxide	4-??? N-????	1003-67-4	C6H7NO
Cholic acid Impurity 10		570-62-7	C24H40O4
Edoxaban Impurity 16		480450-69-9	C14H25N5O3
Vortioxetine Impurity 19		1815608-51-5	C18H22N2S
Isopropyl L-camphorsulfonate		1242184-40-2	C13H22O4S
Riociguat Impurity 18		1361569-23-4	C20H17FN8O
Imipenem Open-loop Dimer
Oseltamivir EP Impurity C-d3 HCl
Ivermectin EP Impurity C	????B2a	65195-57-5	C48H74O15
Nimodipine Impurity 4		74936-69-9	C18H20N2O6
Albendazole EP Impurity H		2469260-71-5	C15H19N3O3S
Alogliptin Impurity 1
Arbidol Impurity 40		1106670-97-6	C13H14BrNO4
2-[Carboxymethyl(nitroso)amino]acetic acid	N-????????????	25081-31-6	C4H6N2O5
Agomelatine Impurity 19		1352139-51-5	C15H19NO2
Arbidol Impurity 41		40945-68-4	C13H14BrNO3
Vonoprazan Impurity 32		2514742-82-4	C16H10ClFN2O3S
7-O-Demethyl a-Narcotine	7-O-DeMethylα-????	68353-55-9	C21H21NO7
Clozapine EP Impurity B		263366-81-0	C30H24Cl2N6
Arbidol Impurity 42		153633-14-8	C32H30Br2N2O6S
Lisinopril EP Impurity E	(R)?????	85955-59-5	C21H31N3O5
Umeclidinium Bromide	??????	869113-09-7	C29H34BrNO2
Nintedanib Impurity 14	(3E)-2,3-????-3-(????????)-2-??-1H-??-6-???????????	1168150-46-6	C18H15NO4
Ivermectin EP Impurity D	28-OxoIverMectinB1a(???)	102190-55-6	C48H72O15
Atropine Impurity 32		4438-22-6	C17H23NO4
Barloxavir impurity 81		2814504-20-4	C10H11N3O4
Neomycin EP Impurity F		51795-47-2	C23H45N5O14
Pregnenolone Impurity 13		566-65-4	C21H32O2
3-Fluoro-6-Methyl-2-nitroaniline		1393442-58-4	C7H7FN2O2
1,1,1-Trichloro-2-methyl-2-propanol hemihydrate		6001-64-5	C8H16Cl6O3
Salbutamol Impurity 56		1221742-55-7	C15H25NO3
Dapoxetine Impurity 67 HCl
Miconazole EP Impurity B		24169-02-6	C18H16Cl3N3O4
Ethyl Ethanesulfonate	???????????	1912-30-7	C4H10O3S
Obeticholic Acid Impurity 2		915038-27-6	C26H44O4
Ziprasidone EP Impurity A HCl	3-?????-1,2-??????????	87691-88-1	C11H14ClN3S
Lenalidomide	???????	191732-72-6	C13H13N3O3
Venlafaxine EP Impurity D HCl	?????????A(10mg)(1-(1-(4-?????)-2-(?????)??)??????????)	93413-90-2	C17H27NO2
Clindamycin Impurity 20	??????????????	36688-78-5	C34H63ClN2O6S
Chloroacetic anhydride	?????? ???	541-88-8	C4H4Cl2O3
Salbutamol EP Impurity E	??-[(??-tert-?????)??]-m-???-4,??,??'-???	24085-03-8	C20H27NO3
42-O-Desmethyl Rapamycin	?????,41-O-???-	142382-16-9	C50H77NO13
Adefovir Impurity 32	?????-2,2-??????????	18997-19-8	C6H11ClO2
Fluorouracil EP Impurity E		1820-81-1	C4H3ClN2O2
Milrinone Impurity 12		156033-07-7	C12H9N3O2
Lamotrigine EP Impurity F		252186-79-1	C16H9Cl4N5O
Pemetrexed EP Impurity E		182009-04-7	C20H21N5O6
Nilotinib Impurity 12		641571-15-5	C28H22F3N7O
Levothyroxine EP Impurity A		6893-02-3	C15H12I3NO4
Carbidopa Impurity 12	α-??-3,4-????????????	53832-94-3	C10H12O4
Minoxidil Impurity 32
Desloratadine N-Hydroxy Impurity	??????N-?????????	1193725-73-3	C19H19ClN2O
Tenofovir alafenamide		379270-37-8	C21H29N6O5P
Amlodipine Impurity 20		400024-08-0	C23H20ClNO6
Dapagliflozin Impurity N24		42860-10-6	C7H4BrClO2
Dotinurad Impurity 3		1285572-55-5	C14H9Cl2NO3S
1,1＇-Carbonyldiimidazole	1,1′-????????	530-62-1	C7H6N4O
D-Alanine Isopropyl Ester HCl		39613-92-8	C6H14ClNO2
Argatroban Impurity 4		153886-68-1	C10H13NO3S
Vonoprazan Fumarate Impurity 28
Capecitabine	?????	154361-50-9	C15H22FN3O6
Gentamicin Sulfate EP Impurity E		2037-48-1	C6H14N2O3
Triethyl phosphate	???????	78-40-0	C6H15O4P
(R)-(((2S,3S,4S,5S)-D-Sofosbuvir Isomer
Terbutaline Impurity 42	4,4-???-??-2-??	2579-21-7	C7H10O
Ziprasidone Impurity 11		188797-76-4	C21H21ClN4O2S
Diazepam Impurity 8	2-???-5-???-2'-????????	784-38-3	C13H9ClFNO
Upadacitinib Impurity 36		2715120-88-8	C31H30F3N5O6S
Guaifenesin Impurity 6	????	90-05-1	C7H8O2
5-Hydroxy Propranolol HCl		62117-35-5	C16H22ClNO3
Ethinylestradiol EP Impurity H	16-???????????	1350468-76-6	C20H22O3
Riluzole Impurity 10	?????-4???	461-82-5	C7H6F3NO
Levocetirizine Lactose Ester
Atorvastatin Impurity 30	?????????????	581772-29-4	C36H39FN2O5
Finerenone Impurity 51		1050477-43-4	C22H20N4O4
Rosuvastatin Impurity 113		135999-58-5	C6H7ClO3
Cefoxitin EP Impurity G (Cefoxitin Dimer)
Ruxolitinib Impurity 19
Moxifloxacin Impurity 44	(Z)-??3-(??????????)-2-(2,4,5-??????-3-??????)??????	112811-70-8	C16H16F3NO4
Peramivir Impurity 52 HCl		229614-51-1	C16H30N4O4
2-Amino-3-bromobenzaldehyde	2-???-3-?????????	145123-24-6	C7H6BrNO
Tranexamic Impurity 16		1642-81-5	C8H7ClO2
Baricitinib Impurity 73		2227194-01-4	C7H13BN2O3
Lamotrigine EP Impurity D	????????D	661463-79-2	C9H5Cl2N3O2
Atracurium EP Impurity C		85-63-2	C21H27NO4
Ropivacaine EP Impurity F		1945965-95-6	C17H24N2O
Pantoprazole	?????	102625-70-7	C16H15F2N3O4S
Finerenone Impurity 21	3-???-4-??????	1017082-75-5	C9H11NO2
Dabigatran Impurity 96	n-???????	16156-50-6	C7H16O3S
Bromfenac Sodium Sesquihydrate	???(2-???-3-(4-??????)??)?????	120638-55-3	C15H11BrNNaO3
Betahistine Dihydrochloride		5579-84-0	C8H14Cl2N2
Tamsulosin EP Impurity B	R-(-)-5-(2-???-???)-2-???-???????	112101-81-2	C10H16N2O3S
Ruxolitinib Impurity 21
Ercalcidiol		21343-40-8	C28H44O2

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

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