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

?? ?:Cato Research Chemicals Inc.
??:020-81960175
???:3008394369@qq.com
??:China
URL: www.cato-chem.com/
? ?? ?:15726

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Finasteride EP Impurity B103335-41-7C20H29NO3
Ibuprofen EP Impurity L53949-53-4C13H18O3
Valsartan EP Impurity BN-[2'-(1H-????-5-?)???-4-???]-N-???-(L)-????????137863-20-8C31H35N5O3
Bisoprolol EP Impurity GracDes(????????)-2-????????????????1215342-36-1C19H33NO5
Duloxetine EP Impurity D1-???90-15-3C10H8O
Desmosterol??????313-04-2C27H44O
Rosuvastatin EP Impurity A (Calcium Salt)1714147-47-3C25H36CaFN3O7S
Paracetamol EP Impurity A2-????????614-80-2C8H9NO2
Monodocosahexaenoin140670-40-2C25H38O4
Tranexamic Acid?????1197-18-8C8H15NO2
Dapagliflozin Impurity 312100872-88-4C21H27ClO7
Upadacitinib Impurity 281310726-59-0C17H19F3N6O
Thiamine nitrate EP Impurity E299-35-4C12H16N4OS2
Aspirin Impurity C / Mesalazine EP Impurity H????69-72-7C7H6O3
Pilocarpine EP Impurity A??-????????28958-85-2C11H17ClN2O2
Moxidectin EP Impurity E2482741-71-7C37H53NO8
Cis-Bilastine N-Oxide1934257-94-9C28H37N3O4
Oseltamivir Phosphate 204255-11-8C16H31N2O8P
Sitagliptin Impurity 73?????DeaMinoIMpurity11253056-18-6C16H12F6N4O
Aspartame EP Impurity A5262-10-2C13H14N2O4
Famotidine EP Impurity B Dimaleate109467-08-5C24H31N11O10S5
Budesonide EP Impurity B(Mixture of diastereomers)1040085-98-0C23H30O6
Cyclosporin U108027-45-8C61H109N11O12
Mesalazine EP Impurity J3,5-????????112725-89-0C7H8N2O3
Omeprazole EP Impurity H(S)-4-?????-4-????????863029-89-4C16H16ClN3O2S
Nicorandil EP Impurity B6265-73-2C8H10N2O2
Minocycline EP Impurity I??????5874-95-3C21H23N3O7
Acetylcysteine Impurity 332-??-2-????-4-?????????15058-19-2C5H6NNaO2S
Glycylglycine??????556-50-3C4H8N2O3
Folic Acid EP Impurity H2366274-27-1C31H31N9O10
Amlodipine Besylate EP Impurity D Hydrochloride2414962-06-2C20H24Cl2N2O5
Cholecystokinin Precursor (24-32) (rat) H-Val-Pro-Val-Glu-Ala-Val-Asp-Pro-Met-OHV-9-M????????????99291-20-0C42H69N9O14S
Tranexamic Acid EP Impurity B??-4-??????????-1-?????1197-17-7C8H15NO2
Metoprolol EP Impurity AC-?????????109632-08-8C14H23NO3
Emedastine EP Impurity A101953-61-1C11H14N2O2
Crisaborole906673-24-3C14H10BNO3
Oseltamivir Impurity 104204254-92-2C15H26O7S
Sitagliptin Impurity 571803026-58-5C16H12F6N4O
Moxifloxacin Impurity 291395056-41-3C21H22FN3O5
Erythromycin EP Impurity L127955-44-6C37H65NO14
Nicardipine Impurity 52469555-30-2C15H17NO6
Ceftriaxone Sodium EP Impurity DS-2-?????? 2-???-??-(??????)-4-????? ????80756-85-0C13H10N4O2S3
Loxoprofen Impurity 322514697-36-8C15H18O5
Brexpiprazole Impurity 72(1H)-????,7-(4-??????)-913613-82-8C13H14ClNO2
Ambroxol EP Impurity B HClAMbroxol??????B15942-08-2C14H19Br2ClN2O
Sildenafil EP Impurity G??????????1346602-67-2C38H46N10O8S2
Dydrogesterone-d6???????152-62-5C21H28O2
Camptothecin 7-Ethyl-10-Hydroxy Impurity86639-52-3C22H20N2O5
Sitagliptin Impurity 212088771-60-0C20H19F6N5O5
Rac-Adrenaline EP Impurity F (Epinephrine Sulfonic Acid)(+/-)-????????26405-77-6C9H13NO5S
Metronidazole EP Impurity E2-(2-??-4-???-????-1-YL)-???705-19-1C6H9N3O3
Acetylcysteine Impurity 3618725-37-6C7H11NO4S
Nalmefene Impurity 122,2'-?????176220-84-1C42H48N2O6
Cefcapene Impurity 12
Famotidine EP Impurity FFaMotidine????107880-74-0C8H12N4O2S2
Pilocarpine EP Impurity B Sodium Salt??????????92598-79-3C11H17N2NaO3
Ipratropium Bromide EP Impurity C552-63-6C9H10O3
Dapagliflozin Propanediol Hydrate960404-48-2C24H33ClO8
Cyclosporin D63775-96-2C63H113N11O12
Azithromycin EP Impurity D612069-26-8C38H72N2O13
Metformin EP Impurity D???108-78-1C3H6N6
Mesalazine EP Impurity L2-???????118-91-2C7H5ClO2
Cefcapene Impurity 5135889-00-8C17H19N5O6S2
Ibuprofen EP Impurity P(2RS)-2-(4-??????)???-1-OL36039-36-8C13H20O
Betahistine EP Impurity A2-?????100-69-6C7H7N
Bilastine Impurity 3202189-83-1C26H33N3O3
Erythromycin C1675-02-1C36H65NO13
Clindamycin Phosphas EP Impurity L7-????????2-???620181-05-7C18H34ClN2O8PS
Azithromycin EP Impurity G3'-N-DesMethyl-3'-N-tosyl???????612069-31-5C44H76N2O14S
Indometacin EP Impurity I1H-??-3-????,1-(4-??????)-5-???-2-??-,??????16401-99-3C21H20ClNO4
Sacubitril-Valsartan Trisodium Salt 2.5hydrate936623-90-4C48H58N6O8
Rosuvastatin EP Impurity C(Calcium Salt)1422514-05-3C22H26FN3O6S
Amoxicillin related compound L1789703-32-7C24H29N5O7S2
Fosfomycin Trometamol EP Impurity A Disodium Salt
Moxidectin EP Impurity D
Minocycline10118-90-8C23H27N3O7
Betahistine EP Impurity C5452-87-9C15H19N3
Medroxyprogesterone Acetate?????????? ????71-58-9C24H34O4
Adapalene Impurity 5106685-41-0C29H30O3
Tenofovir?????147127-20-6C9H14N5O4P
Procaterol Impurity 2315450-76-7C9H7NO2
Atorvastatin EP Impurity D????????????D(20mg)(????????,or3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-??????????)148146-51-4C26H22FNO4
Iminodiacetic Acid??? ???142-73-4C4H7NO4
Mupirocin EP Impurity E71087-96-2C26H44O9
Loratadine EP Impurity G38092-89-6C20H21ClN2
Urapidil Impurity 61,3-?????????769-42-6C6H8N2O3
Paliperidone144598-75-4C23H27FN4O3
Sodium Fusidate EP Impurity L74048-41-2C31H46O5
Rivaroxaban EP Impurity G446292-08-6C22H19N3O6
Erythromycin EP Impurity H(Erythromycin A N-oxide)???????,N-????992-65-4C37H67NO14
Clavulanate Potassium EP Impurity C3-??-2,5-???????86917-74-0C10H16N2O2
Trazodone Impurity 8???????H6323-09-7C23H30Cl2N4
Sodium Fusidate EP Impurity A24,25-?????????80445-74-5C31H50O8
Lidocaine EP Impurity F(Hydrochloride)2-(DiethylaMino)-N-(2,3-diMethylphenyl)acetaMide???857170-72-0C14H23ClN2O
Empagliflozin R-Furanoes1620758-31-7C23H27ClO7
Sitagliptin EP Impurity A????????1823817-55-6C16H15F6N5O
Loxoprofen Impurity 15(Mixture of Diastereomers)1091621-62-3C15H18O4
Nebramine34051-04-2C12H26N4O5
Rosuvastatin Calcium147098-20-2C22H30CaFN3O6S
Empagliflozin Impurity 32452301-09-4C25H29ClO8
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