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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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?? ????
Eperisone Impurity 5
27465-51-6
C11H14O
Methotrexate EP Impurity D
5623-18-7
C15H14N6O3
Ruxolitinib
?????
941678-49-5
C17H18N6
Vancomycin EP Impurity L
23-De(aMinocarbonyl)-23-?????????
79517-31-0
C66H74Cl2N8O25
Pyridoxine Dimer DiHCl
19203-56-6
C16H20N2O5
Landiolol Impurity N10 HCl
1253907-83-3
C25H40ClN3O8
Isoconazole
27523-40-6
C18H14Cl4N2O
Ertapenem sodium
153773-82-1
C22H26N3NaO7S
Nicorandil Impurity 40 1/2Formate 1/2Nitrate
Terbinafine EP Impurity B HCl
??-????????
176168-78-8
C21H26ClN
rac-Finerenone
1050477-27-4
C21H22N4O3
Aciclovir EP Impurity I
1797832-75-7
C14H16N10O4
Flunarizine EP Impurity B DiHCl
27064-96-6
C26H28ClFN2
Phloroglucinol Impurity 18
????????
491-45-2
C12H10O5
Adrenalone
?????
99-45-6
C9H11NO3
Nimodipine
66085-59-4
C21H26N2O7
Trazodone EP Impurity M
157072-18-9
C19H23ClN5O
Pemafibrate Impurity 2
848260-89-9
C24H24N2O4
Emedastine EP Impurity E 2HCl
101954-20-5
C16H24N4O
Metoclopramide EP Impurity E
?????????
100-36-7
C6H16N2
Eperisone HCl
56839-43-1
C17H26ClNO
Omacycline 4-one impurity
885112-31-2
C27H33N3O8
Benazepril EP Impurity C
86541-78-8
C22H24N2O5
Ketotifen EP Impurity C
4-?????????
126939-27-3
C19H21NO2S
Clenbuterol EP impurity A
62909-66-4
C7H5Cl2NO
Potassium Clavulanate
61177-45-5
C8H10KNO5
Diltiazem EP Impurity F HCl
75472-91-2
C20H25ClN2O3S
Loxoprofen Impurity 46 (Mixture of Isomers)
Ampicillin EP Impurity H
3-?????-2-?
73200-73-4
C10H8N2O
Esomeprazole Impurity 107
86604-75-3
C9H13Cl2NO
Cetirizine Impurity 16
134-85-0
C13H9ClO
Famotidine EP Impurity I
1020719-36-1
C8H14N6O4S3
Candesartan Cilexetil EP Impurity F
2H-2-???????????
914613-36-8
C35H38N6O6
(E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity
(E/Z)-FK-50626,28-?????????????
131944-48-4
C44H69NO12
Diacerein EP Impurity D
5-?????
875535-35-6
C17H10O7
Fluticasone Propionate EP Impurity D
73205-13-7
C25H32F2O5S
Moxifloxacin Impurity 19
Ketotifen EP Impurity E
1346603-71-1
C19H19NOS
Norepinephrine Impurity 33
(S)-(+)-???????L-?????
636-88-4
C12H17NO9
Roxithromycin EP Impurity K
Omacycline M+2 impurity
2272886-35-6
C29H38N4O7
Pemafibrate Impurity 7
916515-17-8
C28H30N2O6
Vitamin K1 Hydroperoxide
???K1-???????
15576-39-3
C31H46O4
pregabalin Impurity 32
Levodopa EP Impurity A
27244-64-0
C9H11NO5
Vonoprazan Impurity 54
1421640-34-7
C6H7NO3S
Glutaraldehyde (24-26% in Water)
???????
111-30-8
C5H8O2
Candesartan Cilexetil EP Impurity D
2-????-2-????-2H-2-???????????
1185256-03-4
C33H34N6O6
Norfloxacin EP Impurity H
105440-01-5
C19H22FN3O5
Roxithromycin EP Impurity F
N-??????????
118267-18-8
C40H74N2O15
Nicorandil Impurity 49 2Nitrat
2365474-06-0
C24H27N8O9+
Telmisartan EP Impurity I
528560-93-2
C34H32N4O2
5-trans Bimatoprost
(5E)-???????
1163135-95-2
C25H37NO4
Atorvastatin-d5 Calcium Salt
?(???????-d5)CalciuM?
222412-82-0
C132H122Ca3D10F4N8O20-2
Empagliflozin Impurity 12
Amisulpride EP Impurity A
26116-12-1
C7H16N2
Cimetidine EP Impurity F
55272-86-1
C16H24N8S2
Tinidazole EP Impurity B
25459-12-5
C8H13N3O4S
Naloxone Hydrochloride EP Impurity F
2139253-69-1
C19H21NO5
Linezolid Impurity 52
2512211-93-5
C15H20FN3O2
Tirofiban Impurity 112
1,3-?????
504-63-2
C3H8O2
Amorolfine EP Impurity E HCl (trans-Amorolfine HCl) (Mixture of Diastereomers)
Sodium DL-Lactate
??? ???
72-17-3
C3H5NaO3
Upadacitinib Impurity 31
Rabeprazole EP Impurity C
1163685-30-0
C14H11N3O3
Famotidine Impurity 11
3-[2-(??????????)-1,3-???-4-??????]-N-??????????
90237-03-9
C8H15N7O3S3
Empagliflozin Impurity 18
1279691-36-9
C24H29ClO8
Loxoprofen Impurity 25
1091621-63-4
C25H36O3
Roxithromycin EP Impurity J
134834-12-1
C40H73ClN2O14
Adrenalone
?????????????;[2-(3,4-????????)-????]??????????
62-13-5
C9H12ClNO3
Prilocaine EP Impurity E
PRILOCAINE?????B(50MG)((RS)-N-(4-METHYLPHENYL)-2-(PROPYLAMINO)PROPANA-MIDE)
744961-76-0
C13H20N2O
Ibuprofen EP Impurity R
1,1-BIS-(4-ISOBUTYLPHENYL)??
102120-87-6
C22H30
Methotrexate EP Impurity G
2519848-42-9
C28H29N9O6
Baricitinib Impurity 6
2271228-51-2
C16H19N7O3S
Lidocaine EP Impurity K Hydrochloride
N-(2,6-?????)-2-(???????)?????????(???????E)
50295-20-0
C13H21ClN2O
Dexamethasone EP Impurity C
1,2-??????????
426-17-5
C22H31FO5
Dapagliflozin Impurity 27
D-????,1,5-?????-1-C-[4-???-3-[(4-?????)??]??]-,????????,(1S)-
461432-25-7
C29H33ClO10
Olopatadine Impurity 14
55690-15-8
C18H18O5
Revefenacin Impurity 1
909800-36-8
C35H42N4O5
Flurbiprofen Impurity 21(Mixture of Enantiomer)
124635-84-3
C18H19FO4
Amlodipine N-Lactoside Besylate
749864-27-5
C32H45ClN2O15
Nicotinamide EP Impurity E
1986-81-8
C6H6N2O2
Metoprolol EP Impurity E
163685-38-9
C15H25NO3
Loratadine EP Impurity C
4-???-????
165739-83-3
C22H22Cl2N2O2
Thiamine nitrate EP Impurity C
??????C
7275-24-3
C12H17Cl3N4S
3,4-Dideoxyglucosone-3-ene
3,4-???
252006-38-5
C6H8O4
Amlodipine N-Lactoside (Mixture of Diastereomers)
2173291-00-2
C32H45ClN2O15
Moxidectin EP Impurity C
114041-23-5
C36H51NO8
Levocarnitine Impurity 22
[(±)-(4-???-2-?????-4-????)???????]???
5261-99-4
C7H18ClN2O2+
Montelukast EP Impurity C(Mixture of Diastereomers)
909849-96-3
C35H36ClNO4S
Acyclovir EP Impurity G
9-[(2-???????)??]-N2-??????
75128-73-3
C12H15N5O5
Oseltamivir EP Impurity F(Mixture of Diastereomers)
3-Des(1-??????)-3-(1-??????)??????
1052063-37-2
C15H26N2O4
Azilsartan Methyl Ester Impurity
147403-52-9
C26H22N4O5
Vardenafil Impurity 9
448184-48-3
C23H32N6O5S
Exemestane EP Impurity D
?????-1,4-??-3,17-??
897-06-3
C19H24O2
Epalrestat (E,E)-Isomer
863988-85-6
C15H13NO3S2
Mesalazine EP Impurity E
4-?????? ?
65-49-6
C7H7NO3
3-Chloroaniline
M-??????
108-42-9
C6H6ClN
Dapoxetine Impurity 56
Pheniramine Maleate (Dexchlorpheniramine EP Impurity A Maleate Salt)
???? ????
132-20-7
C20H24N2O4
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