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

?? ?:Cato Research Chemicals Inc.

??:020-81960175

???:3001970523@qq.com

??:China

? ?? ?:17709

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Venlafaxine Impurity 22	1-[2-???-1-(4-??????)??]??????	149289-29-2	C14H21NO2
Flumazenil		78755-81-4	C15H14FN3O3
Galantamine Hydrobromide Racemic	???????????????(15mg)	193146-85-9	C17H22BrNO3
(S)-O-Desmethyl-Venlafaxine	S-(+)-O-????????	142761-12-4	C16H25NO2
Ursodeoxycholic Impurity 15	??????????????	6009-98-9	C26H44NNaO6S
Chlorpromazine EP Impurity D HCI	?????????????	3953-65-9	C16H18Cl2N2S
Chlorprothixene hydrochloride		6469-93-8	C18H19Cl2NS
Domperidone Impurity 18		103784-04-9	C10H11BrN2O
Chlorpromazine EP Impurity F HCl		72372-62-4	C17H20Cl2N2S
Metoclopramide Impurity 44
Azelastine Impurity 7		787-84-8	C14H12N2O2
Acetyl Isoniazid	(N)1-?????????	1078-38-2	C8H9N3O2
Pantoprazole Impurity 51		812664-93-0	C16H14ClF2N3O4S
Reserpine Impurity 3		131-01-1	C32H38N2O8
Loxoprofen Impurity 20
Alprazolam Impurity 8		2203515-05-1	C17H13ClN4
Diclofenac Methyl Ester (Aceclofenac EP Impurity B)	???????????	15307-78-5	C15H13Cl2NO2
Progesterone Impurity 41	17-?????-6-???????????	2477-60-3	C21H28O3
Noratropine Hydrochloride	????????	75559-01-2	C16H22ClNO3
Tramadol EP Impurity C HCl		66170-31-8	C16H24ClNO
Cefprozil Impurity 46		120709-09-3	C10H12N2O3S
Mycophenolate Mofetil EP Impurity B Oxalate
Trans-Abacavir Dihydrochloride	???-????????	267668-71-3	C14H19ClN6O
Dapoxetine Impurity 37	(S)-3-???-1-??-1-????	100306-34-1	C9H11ClO
Dapoxetine Impurity 48 (Contains ~1% BHT as stabilizer)	1-??-2-???-1-?	768-03-6	C9H8O
Dapoxetine Impurity 52		1445281-25-3	C19H17ClO
Pregnanolone	????	128-20-1	C21H34O2
Tramadol EP Impurity B HCl		66170-32-9	C16H25NO2
Progesterone Impurity 45
Glycopyrronium Bromide EP Impurity H	?? ??????	15206-55-0	C9H8O3
Pregabalin Impurity 79	?? ?????????	105-56-6	C5H7NO2
Testosterone Impurity 11		68539-12-8	C19H24O2
Propafenone EP Impurity H	????????H(EP/BP/USP)	27439-12-9	C15H12O2
Azacitidine Impurity 9	6-???-5-?????	105331-00-8	C8H13N5O5
Mivacurium Chloride Impurity 5		1026602-92-5	C6H13ClO2
Budesonide Impurity 36		77017-20-0	C23H28O6
Gemcitabine Impurity 27	3'-???????3',5'-??????	1268237-46-2	C23H19F2N3O6
Mivacurium chloride Impurity 27	????-5'-????????	61349-11-9	C21H25NO5
Gemcitabine Impurity 29	1-OXO-2-DEOXY-2,2-DIFLUORO-3,4-DIBENZOYLOXY-???	122111-02-8	C19H14F2O6
Gemcitabine Impurity 20	1'-??2',2'-?????-2'-??????	153381-14-7	C9H10F2N2O5
Levofloxacin Impurity 43		117620-84-5	C13H10FNO4
Mianserin impurity 33
Voriconazole Impurity 50	????? ???	79-03-8	C3H5ClO
Rilpivirine N-Glucuronide		1437791-52-0	C28H26N6O6
Rilpivirine Chloro Impurity		244768-32-9	C11H7ClN4
Avibactam Impurity 44		2064219-22-1	C23H46N4O6S
Clindamycin Impurity 95
Clindamycin Phosphas Impurity 44		22431-46-5	C18H33ClN2O6S
Zolmitriptan		139264-17-8	C16H21N3O2
Vilazodone		163521-12-8	C26H27N5O2
Sunitinib Impurity 44	????????	110-72-5	C4H12N2
Sunitinib Impurity 34		356068-86-5	C14H23N3O2
Sunitinib Impurity 2	????N-????	356068-99-0	C22H27FN4O3
Ornidazole impurity 50
Sunitinib Impurity 45	5-???????	443-69-6	C8H4FNO2
Umeclidinium bromide Impurity 21	?????-4-?????????????	40117-63-3	C8H14ClNO2
Levononidazole Phosphate 7 Hydrate
Duloxetine Impurity 12	(-)-?-p-????-L-?????	32634-66-5	C20H18O8
Sunitinib Impurity 33		1186651-51-3	C16H14FN3O2
Clindamycin Impurity 73
Rilpivirine Nitrile Z-isomer	(Z)-3-(4-???-3,5-?????)???????	661489-22-1	C11H12N2
Raltitrexed Impurity 9		132462-57-8	C20H20N4O6S
Ornidazole Impurity45		57939-59-0	C9H12ClN3O4
Calcitriol Impurity 25		134523-84-5	C27H44O3
Progesterone Impurity 46
Cefuroxime Axetil Impurity 6			C16H16N4O8S
Deferasirox Impurity 5		201530-78-1	C21H15N3O4
Orlistat Impurity 20(3S,4S,6R)		104801-96-9	C22H42O3
Cefprozil (E)-Isomer monohydrate	?????(E)-????(50mg)	111900-24-4	C18H21N3O6S
Cefprozil EP Impurity J			C18H19N3O5S
Alprazolam Impurity 4		27610-14-6	C14H12ClN3O
Loxoprofen Impurity 70		1027957-36-3	C17H20O5
Calcitriol Impurity 10		65445-15-0	C27H44O2
Furosemide Impurity 31		4818-85-3	C12H12N2O5S
Azelastine Impurity 20	?????????	47491-38-3	C21H22ClN3O
Sulfasalazine EP Impurity F	????????F	66364-71-4	C18H14N4O5S
Desloratadine-d5		1020719-34-9	C19H19ClN2
3E-Cefditoren Impurity 30
Pomalidomide Impurity 10		92792-46-6	C16H10N2O6
Telmisartan Impurity 60		884330-16-9	C12H16N2O3
Cefuroxime Axetil Impurity 10		64599-29-7	C20H22N4O10S
Atomoxetine impurity 35		1638508-19-6
Fasudil Impurity 40	1,2-?????,?????	27308-78-7	C2H8N2
Cefditoren Impurity 32
Mianserin impurity 34		38869-02-2
Busulfan Impurity 17
Flurbiprofen Impurity 56		866235-89-4	C16H15FO2
Fudosteine Impurity 32
Rebamipide impurity 20	4-???-3-??-N-???????	1205-74-9	C10H10BrNO2
Cefprozil EP Impurity N			C18H19N3O5S
7-Aminoclonazepam	7-????????	4959-17-5	C15H12ClN3O
Ursodeoxycholic acid impurity 25	7a-?????-3-??-5b-???	4185-00-6	C24H38O4
Lercanidipine Impurity 1	????????????	225785-54-6	C19H22N2O6
Telmisartan Impurity 35		2342587-28-2	C37H38N4O2
Pantoprazole Impurity 14 Sodium Salt
Rebamipide impurity 18
Dopamine Impurity 76
Rebamipide impurity 21		452322-61-1	C21H19ClN2O4
Galanthamine Impurity 17		252869-09-3	C17H16BrNO4
Midazolam Impurity 35

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

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