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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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?? ????

Ivabradine Impurity 2	??-????????	148849-68-7	C27H37ClN2O5
Sitagliptin Impurity 28	BOC-(R)-3-AMINO-4-(2,4,5-TRIFLUORO-PHENYL)-????	486460-00-8	C15H18F3NO4
Ivabradine Impurity 44	(1S)-4,5-????-1-[(?????)??]??????????	866783-13-3	C12H18ClNO2
Dehydro Rac-Benidipine		121138-34-9	C28H30ClN3O6
Rabeprazole EP Impurity B		117977-21-6	C18H21N3O2S
Rabeprazole EP Impurity A	???????	117976-47-3	C18H21N3O4S
Rabeprazole EP Impurity D	??????????	924663-38-7	C18H21N3O4S
Sorafenib impurity A		284462-37-9	C13H13N3O2
Palbociclib Impurity 31	5-broMo-2-???-N-?????????-4-??	733039-20-8	C9H11BrClN3
Sildenafil EP Impurity C	???????	139755-91-2	C20H26N6O4S
Sildenafil Impurity 7		139756-22-2	C17H19ClN4O4S
Pramipexole Dihydrochloride Monohydrate		191217-81-9	C10H20ClN3OS
Pramipexole EP Impurity A	(S)-4,5,6,7-???????-2,6-????????	106092-09-5	C7H11N3S
Linagliptin Impurity 51		886588-63-2	C33H30N8O4
Vildagliptin Impurity 4	?????iMpurityK	565453-39-6	C17H27N3O3
S(-)Amlodipine Besylate	S-????	150566-71-5	C26H31ClN2O8S
Ticagrelor Impurity 7		220347-05-7	C21H24F2N6O3S
Ticagrelor Impurity 31		274693-26-4	C26H32F2N6O4S
Ticagrelor Impurity 13		274693-39-9	C23H28F2N6O6S
Ticagrelor	?????	274693-27-5	C23H28F2N6O4S
Rivaroxaban EP Impurity A	5-R-?????	865479-71-6	C19H18ClN3O5S
Rivaroxaban EP Impurity G		446292-08-6	C22H19N3O6
Rivaroxaban Impurity 39		446292-07-5	C21H21N3O5
Ilaprazole Impurity 1		172152-37-3	C19H18N4O3S
para-Hydroxy Atorvastatin Calcium Salt	?????????????????	265989-44-4	C66H70CaF2N4O12
(3R,5S)-Atorvastatin EP Impurity B (single configuration) Calcium salt		651770-09-1	C33H35FN2O5
Sitagliptin EP Impurity A	????????1	823817-55-6	C16H15F6N5O
Sitagliptin Impurity 22	?????N-Boc???	486460-23-5	C21H23F6N5O3
Pramipexole EP Impurity D	(R)-?????	104632-28-2	C10H17N3S
Esomeprazole Sodium		161796-78-7	C34H36MgN6O6S2
Ivabradine Impurity 17	7-????????	304462-60-0	C26H34N2O5
Sitagliptin EP Impurity C		945261-48-3	C16H16F5N5O
Sitagliptin EP Impurity B	?????????IMpurity5	486460-31-5	C16H16F5N5O
Sitagliptin Impurity 33	(R)-3-???-4-(2,4,5-????????)????	936630-57-8	C10H10F3NO2
Pregabalin EP Impurity A(Pregabalin Related Compound C)		181289-23-6	C8H15NO
Pregabalin EP Impurity B/(R)-Pregabalin	???,3-(?????)-5-??-,(3R)-	148553-51-9	C8H17NO2
Pregabalin Impurity 60	(R)-(-)-3-???????-5-?????	181289-33-8	C9H17NO3
Sitagliptin Monophosphate Monohydrate		654671-77-9	C16H18F6N5O5P
Sitagliptin Impurity 76		209995-38-0	C8H5F3O2
Clavulanate Potassium EP Impurity G		374816-32-7	C13H15NO6
Rosuvastatin Calcium		147098-20-2	C22H30CaFN3O6S
Rivaroxaban Impurity 13		721401-53-2	C18H20ClN3O4S
Rivaroxaban Impurity 7(R-isomer)	(R)-(-)-?????????	181140-34-1	C11H9NO3
Levocetirizine Impurity 44	(R)-????N-???	442863-80-1	C21H25ClN2O4
Tadalafil Impurity 37		171489-59-1	C22H19ClN2O5
Rivaroxaban Impurity 12	?????iMpurityA	931204-39-6	C19H20ClN3O6S
Rivaroxaban Impurity 7(S-isomer)		161596-47-0	C11H9NO3
Rosuvastatin Impurity 83		147118-36-3	C16H20FN3O3S
Salbutamol EP Impurity F	???????	147663-30-7	C26H40N2O5
Salbutamol EP Impurity A	?????????	870076-72-5	C14H23NO3
Salbutamol Impurity 9	Levalbuterol?????E(30mg)(alpha-[{(1,1-Dimethylethyl)amino}methyl]-3-(ethoxy-methyl)-4-hydroxy-benzenemethanol)	754926-25-5	C15H25NO3
Simvastatin EP Impurity D	????????	476305-24-5	C50H76O10
Posaconazole-d5	?????	171228-49-2	C37H42F2N8O4
Candesartan Cilexetil		145040-37-5	C33H34N6O6
Isavuconazonium Sulfate	Isavuconazonium??	946075-13-4	C35H36F2N8O9S2
Rocuronium EP Impurity C	??9943	119302-86-2	C30H51BrN2O3
Terbutaline EP Impurity B Hemisulphate		153657-83-1	C13H21NO7S
Pregabalin Impurity 76		181289-15-6	C9H17NO3
Retigabine		150812-12-7	C16H18FN3O2
Triamcinolone Acetonide Related Compound C	(11β,16α)-9-Fluoro-11,21,21-trihydroxy-16,17-[(1-Methylethylidene)bis(oxy)]????-1,4-??-3,20-??	161740-69-8	C24H31FO7
Sunitinib	????	557795-19-4	C22H27FN4O2
Tacrolimus EP Impurity G		144490-63-1	C44H69NO12
Tacrolimus EP Impurity A		104987-12-4	C43H69NO12
Umeclidinium Impurity 3		869113-45-1	C29H32BrNO3
Clindamycin Phosphas EP Impurity L	7-????????2-???	620181-05-7	C18H34ClN2O8PS
Sertraline EP Impurity F		155748-61-1	C16H12Cl2O
Vilazodone Hydrochloride		163521-08-2	C26H28ClN5O2
Quetiapine	?????	111974-69-7	C21H25N3O2S
Quetiapine EP Impurity I	????????????	329216-67-3	C19H21N3OS
Tirofiban Impurity 23	LN-?????-P-?????????	149490-60-8	C13H19NO5S
Nilotinib Impurity 26		641569-94-0	C17H14N4O2
Buspirone EP Impurity E		257877-43-3	C21H33N5O3
Faropenem Sodium		158365-51-6	C12H18NNaO6S
Tacrolimus		104987-11-3	C44H69NO12
Terbinafine EP Impurity C HCI		877265-30-0	C21H26ClN
Umeclidinium Bromide	??????	869113-09-7	C29H34BrNO2
Umeclidinium Impurity 10	1-??????[2.2.2]??-4-???,α,α-???-	461648-39-5	C20H23NO
Tryptophan EP Impurity A(Tryptophan USP Related Compound A)		132685-02-0	C24H26N4O4
Rivastigmine EP Impurity A	3-[(1S)-1-(????????)]??	139306-10-8	C10H15NO
Rivastigmine tartrate		129101-54-8	C18H28N2O8
Rivastigmine EP Impurity C	3'-(??(??)?????)???????	855300-09-3	C12H15NO3
Telmisartan		144701-48-4	C33H30N4O2
Telmisartan EP Impurity I		528560-93-2	C34H32N4O2
Telmisartan EP Impurity C		144702-26-1	C37H38N4O2
Telmisartan EP Impurity G	???[2,6'-?-1H-??????]-1'-?]??]-	144702-27-2	C33H29N5
Telmisartan EP Impurity H	tert-??4'-(?????)???-2-???????	114772-40-6	C18H19BrO2
Voriconazole EP Impurity C		137234-88-9	C6H7FN2
Ranitidine EP Impurity I	2,2'-?????[????]	207592-21-0	C27H44N8O6S2
Tryptophan EP Impurity B (Mixture of Diastereomers)	??????-L-???	184955-21-3	C11H12N2O4
Tryptophan Impurity 22		881025-90-7	C11H13ClN2O3
Rivastigmine EP Impurity D		415973-05-6	C14H22N2O2
Pantoprazole EP Impurity B		102625-64-9	C16H15F2N3O3S
Pantoprazole	?????	102625-70-7	C16H15F2N3O4S
Ursodeoxycholic Acid EP Impurity I		130593-75-8	C24H42O3
Dapoxetine Impurity 74		100306-33-0	C9H11ClO
Phenylephrine Impurity 19	N-(2-???)?????(????????????)	915278-80-7	C13H17NO6
Propofol EP Impurity G(Propofol Related Compound C)	PROPOFOL?????C(50MG)(2,6-DIISOPROPYLPHENYLISOPROPYLETHER)	141214-18-8	C15H24O
Timolol EP Impurity H		158636-97-6	C13H24N4O3S
Safinamide mesylate		202825-46-5	C17H19FN2O2.CH4O3S
Parecoxib sodium Impurity 2		181695-72-7	C16H14N2O3S

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