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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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8-BROMO-5-METHYLIMIDAZO[1,2-A]PYRIDINE, HCL957120-36-4C7H5BrClN2R
5'-DEOXY-S-ADENOSYL-L-HOMOCYSTEINE5'-???-S-????-L-??????979-92-0C14H20N6O5S
5-isothiocyanato-3-(trifluoromethyl)picolinonitrile5-????????-3-(????????)???????951753-87-0C8H2F3N3S
2-Amino-4-(methylsulfonyl)phenol2-???-4-(?????)??98-30-6C7H9NO3S
Carbamic acid, N-[(3R)-8-chloro-2,3,4,5-tetrahydro-4-oxo-1,5-benzothiazepin-3-yl]-, 1,1-dimethylethyl ester958489-51-5C14H17ClN2O3S
Benzoic acid, 2-hydroxy-5-[[2-(2-naphthalenyloxy)ethyl]amino]-953787-94-5C19H17NO4
TRIPHENYLBORANE??????960-71-4C18H15B
5-Phenyl-1,3,4-oxadiazole-2-carboxylic acid5-??-1,3,4-?????-2-?????99066-76-9C9H6N2O3
Benzenemethanol, 3-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)-1632047-58-5C15H18O3
(3S)-3-cyclopentyl-3-hydroxy-propanenitrile1699727-68-8C8H13NO
Vonoprazan?????881681-00-1C17H16FN3O2S
Fosfomycin??????23155-02-4C3H7O4P
Tryptophan Impurity 13（Tryptophan EP Impurity L）287170-99-4C21H19N3O2
Ubidecarenone Impurity 1(Coenzyme Q9)????Q9303-97-9C54H82O4
Verapamil EP Impurity N2086274-75-9C33H47N3O4
Brexpiprazole Impurity 222060027-95-2C17H21Cl2NO2
Posaconazole Impurity 44357189-97-0C21H20F2N4O3
Linaclotide acetate????????????851199-60-5C61H83N15O23S6
(E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity(E/Z)-FK-50626,28-?????????????131944-48-4C44H69NO12
Mianserin EP Impurity E HClNorMianserin???76134-77-5C17H19ClN2
Urapidil Impurity 9108997-11-1C24H34N4O2
H-Gly-Gly-Tyr-Arg-OH TFA salt
Metformin EP Impurity F?????124-40-3C2H7N
Apremilast Impurity 72096492-41-8C22H26N2O8S
Enzalutamide Impurity 151895865-10-7C10H7F3N2OS
Vardenafil EP Impurity A2169247-39-4C21H28N6O4S
Vardenafil Impurity 71255919-03-9C38H46N10O8S2
Vonoprazan Fumarate1260141-27-2C21H20FN3O6S
Vonoprazan Impurity 186 HCL1885094-62-1C18H18FN3O2S
Vonoprazan Fumarate Impurity 181883595-37-6C16H11FN2O4S
Vonoprazan Impurity 41807642-39-2C16H10FN3O2S
Vonoprazan Fumarate Impurity 432169271-28-5C16H13FN2O3S
Vonoprazan Impurity 572726830-13-1C7H9NO3S
Vonoprazan Impurity 651610043-62-3C12H13FN2
Rivaroxaban EP Impurity B1429334-00-8C16H19N3O5
Ticagrelor Impurity 12 (Mixture of Diastereomers)1644461-85-7C23H28F2N6O5S
Ticagrelor impurity 211402222-66-5C9H10ClF2N
Ticagrelor Impurity 32096989-56-7C23H28F2N6O4S
Ticagrelor Impurity 61616703-93-5C25H30F2N6O5S
Ticagrelor Impurity 91445580-43-7C14H21N5O5S
Olmesartan Impurity 68OlMesartanDiMer???????1040250-19-8C48H50N12O5
Vildagliptin Impurity 61789703-36-1C17H24N2O3
Linagliptin Impurity 572416949-69-2C25H29N7O4
Pramipexole Impurity 11 （and enantiomer）rac-trans-7-??????????1246818-51-8C10H17N3OS
Pramipexole EP Impurity B2-N-????????1246815-83-7C13H23N3S
rac-cis-7-Hydroxy-Pramipexole ( and enantiomer )1798014-87-5C10H17N3OS
Citalopram EP Impurity G (Escitalopram EP Impurity G ) Oxalate1440961-12-5C27H35FN2O6
Escitalopram EP Impurity L Oxalate???????????????1093072-86-6C22H24N2O5
Tadalafil EP Impurity E2520114-41-2C22H19N3O6
Tadalafil EP Impurity G2520114-46-7C22H17N3O5
Tadalafil EP Impurity H1978322-98-3C22H19N3O6
Tadalafil EP Impurity I2378614-29-8C22H19N3O5
Rivaroxaban EP Impurity J1632463-24-1C38H36Cl2N6O10S2
Rivaroxaban EP Impurity I1151893-81-0C24H21Cl2N3O7S2
Tofacitinib Impurity 123 DiHClCIS-N-BENZYL-3-METHYLAMINO-4-METHYL-PIPERIDINEBIS-(???)1062580-52-2C14H23ClN2
Tofacitinib Impurity 131812890-23-5C13H21N5
Tofacitinib Impurity 171675248-19-7C16H22N6O2
Tofacitinib Impurity 331640971-60-3C14H20N6O
Ibuprofen EP Impurity H2143535-25-3C24H32O
Ibuprofen EP Impurity I2143535-26-4C13H18O2
Palbociclib Impurity 671823404-28-9C9H11BrClN3
Simvastatin EP Impurity G1449248-72-9C25H36O5
Posaconazole Impurity 491902954-05-5C37H42F2N8O5
Paracetamol EP Impurity L2514961-29-4C16H16N2O4
Sildenafil EP Impurity B????N-????1094598-75-0C22H30N6O5S
Sildenafil Impurity 152512206-40-3C18H22N4O5S
Sildenafil Impurity 161971915-89-5C19H24N4O5S
Sildenafil EP Impurity G??????????1346602-67-2C38H46N10O8S2
Sildenafil EP Impurity D????EP???D1357931-55-5C17H20N4O5S
Atorvastatin Lactam calcium Salt Impurity1046118-41-5C33H37CaFN2O6
Cefixime EP Impurity A1614255-90-1C16H17N5O8S2
Sitagliptin Impurity 212088771-60-0C20H19F6N5O5
Sitagliptin impurity 292088771-61-1C16H13F6N5O2
Sitagliptin Impurity 8(R)-3-???-4-(2,4,5-??????-??)-???????1204818-19-8C10H11ClF3NO2
Dextromethorphan N-Oxide????????N-????1177494-18-6C18H25NO2
Rosuvastatin EP Impurity C1422619-13-3C22H26FN3O6S
Macitentan Impurity251393813-43-8C15H19BrN4O4S
Vonoprazan Fumarate Impurity 711060802-18-7C5H3Cl2NO2S
Vonoprazan Fumarate Impurity 722416241-96-6C17H20FN3O3S
Rupatadine EP Impurity A1354055-68-7C30H30ClN3O4
Rupatadine Impurity 21422960-88-0C33H34ClN4+
Rupatadine Impurity 5????IMpurityC1224515-72-3C45H43Cl2N5
Trelagliptin Impurity 35 1/4Succinate1029877-94-8C22H26FN5O6
Saxagliptin Dione Impurity1350800-77-9C18H24N2O3
Saxagliptin Imine Impurity1350800-76-8C18H25N3O2
Saxagliptin Impurity 332173146-02-4C18H28ClN3O3
Sofosbuvir Impurity 70N-[(S)-(2,3,4,5,6-?????????)???????]-L-???1-????????1334513-02-8C18H17F5NO5P
Tedizolid Impurity 101835340-19-6C17H16FN6O6P
Tedizolid Impurity 132095840-91-6C14H12N10
Tedizolid Impurity 31431699-67-0C17H15FN6O3
Tedizolid Impurity 351256966-02-5C34H29F2N12O8P
Topiroxostat Impurity 242044704-63-2C7H8N4O2
Vortioxetine Impurity 312135576-73-5C19H22N2OS
Vortioxetine Impurity 41429908-35-9C18H22N2OS
Ibrutinib Impurity 152213398-75-3C18H15N5O
Empagliflozin Impurity 32452301-09-4C25H29ClO8
Bortezomib Impurity 131446194-56-4C19H24N4O2
Tofacitinib Impurity 11092578-46-5C16H20N6O
Tofacitinib Impurity 1021640972-35-5C16H22N6O
Tofacitinib Impurity 108 DiHCl1354486-07-9C14H22N2
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