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

?? ?:Cato Research Chemicals Inc.

??:020-81960175

???:3008394369@qq.com

??:China

? ?? ?:15726

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Eltrombopag Impurity 90		376594-07-9	C25H22N4O4
Acetazolamide EP Impurity F(Triethylamine salt)
Abemaciclib Impurity N3		1231930-42-9	C15H13ClF2N4
Thalidomide	??????	50-35-1	C13H10N2O4
N-1-Trityl-deamino-histidine	3-(N-1-TRITYL-IMIDAZOL-4-YL)?????	160446-35-5	C25H22N2O2
Loratadine glucose adduct
Atracurium EP Impurity Q
Argatroban Impuriry 135		1780572-69-1	C10H8ClNO2S
Methyl 2-amino-5-bromobenzoate		52727-57-8	C8H8BrNO2
1-(4-Methoxyphenyl)piperazine dihydrochloride	1-(4-?????)??????????????	38869-47-5	C11H18Cl2N2O
Dopamine-d3 Hydrochloride	2-(3,4-DIHYDROXYPHENYL-D3)????HCL	53587-30-7	C8H9ClD3NO2
4-Guanidinobenzoic acid	4-??????????	16060-65-4	C8H9N3O2
N-(4-((4-(Dimethylamino)phenyl)(phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium	????? ??	10309-95-2	C23H25N2+
Olaparib Impurity 108
(R)-Ketoprofen β-D-glucuronide	(R)-???????-β-D-??????	140148-25-0	C22H22O9
Tecovirimat		869572-92-9	C19H15F3N2O3
Delafloxacin Impurity 9
5-Acetylamino-6-amino-3-methyluracil Hydrate	5-ACETYLAMINO-6-AMINO-3-METHYLURACIL,???	1196153-01-1	C7H12N4O4
Diclofenac sodium Impurity 7		127792-34-1	C14H12ClNO2
Potassium hexacyanoferric(III)ate	???????	13746-66-2	C6FeN6.3K
Azacitidine Impurity 60		179239-81-7	C9H13N3O5
Olanzapine EP Impurity D Dihydrate		2760465-02-7	C17H22N4O2S
Ciguatoxin 2	?????-2	142185-85-1	C60H86O18
N-nitroso-L-histidine		932446-62-3	C6H8N4O3
Afobazole		173352-21-1	C15H21N3O2S
DescyclopropylMethyl Nalfurafine	??????????????	163713-06-2	C24H26N2O5
1-Myristoyl-sn-glycero-3-phosphocholine	1-?????-SN-????-3-?????	20559-16-4	C22H46NO7P
Desogestrel EP Impurity E/Desogestrel USP RC B	???????????B(15MG)(3-HYDROXY-DESOGESTREL)	70805-85-5	C22H30O2
(-)-beta-Cubebene	????	13744-15-5	C15H24
Lercanidipine Impurity 19 HCl	(R)-?????????	187731-34-6	C36H42ClN3O6
N-1-Fmoc-1,2-diaminoethane · HCl		391624-46-7	C17H19ClN2O2
Nintedanib Impurity 22	N-(4-?????)-N-??-2-(4-??????-1-?)??????	262368-30-9	C14H22N4O
Fmoc-[D2]Gly-OH	???-2,2-D2-N-FMOC	284665-11-8	C17H15NO4
Vericiguat Impurity 16		1350653-26-7	C14H8F2N4
Oseltamivir Impurity 64		2413185-88-1	C14H22O4
Z-Gly-OH		1138-80-3	C10H11NO4
Fluorouracil Impurity 11 (Mixture of Diastereomers)		37103-91-6	C4H5FN2O3
Olaparib Impurity 107
Fmoc-Cys(NPys)-OH		159700-51-3	C23H19N3O6S2
Piperazine-d8 Dihydrochloride		849482-21-9	C4H10N2
3-isopropyl-5-methylphenol	5-?????-3-????	3228-03-3	C10H14O
Stavudine(Zidovudine EP Impurity A)		3056-17-5	C10H12N2O4
Atracurium Impurity 85		1075727-02-4	C34H45NO9S
Malic Acid Impurity 4	3,4-????????	1518-61-2	C4H8O4
Azacitidine Impurity 29		26524-60-7	C9H13N3O5
Iguratimod Impurity 43 HCl
Probucol		23288-49-5	C31H48O2S2
Emtricitabine Impurity 4		145397-25-7	C8H10FN3O4
Avibactam impurity 01		1383814-72-9	C14H17N3O3
Diclofenac sodium Impurity 6	2-??????????	70172-33-7	C14H13NO2
Olaparib Impurity 106		2385199-47-1	C8H3BrFNO
1-(3,4-Dimethylphenyl)propan-1-one	3-4-?????????	17283-12-4	C11H14O
LCZ-696 Impurity 64		2751722-77-5	C24H27NO5
Meloxicam Impurity 10	5???????	130262-93-0	C14H11N3O6S2
Alpha-bromo-3'-acetoxyacetophenone	2-???-3'-??????????	38396-89-3	C10H9BrO3
Ibrutinib Impurity 6		143900-44-1	C10H19NO3
Etomidate EP Impurity A	3-(1-??-??)-3H-????-4-?????	3157-27-5	C12H12N2O2
Bisacodyl EP Impurity E	?????????E(20mg)(2-[(4-??????)(???-2-?)??]???????)	111664-35-8	C22H19NO4
Olaparib Impurity 102		1806327-68-3	C7H3Br2FO
6,2'-Dihydroxyflavone		92439-20-8	C15H10O4
Lercanidipine Impurity 18 HCl	(S)-?????????	184866-29-3	C36H42ClN3O6
Lansoprazole Impurity 54		2730135-08-5	C16H15ClF3N3O
Desmopressin EP Impurity D TFA salt
Methyl cis-7,10,13,16-docosatetraenoate	CIS-7,10,13,16,19-DOCOSA-???????????	13487-42-8	C23H38O2
N-2,3-Xylyl-N-nitrosoanthranilic Acid	N-????-N-(2,3-?????)????	2114-63-8	C15H14N2O3
2-Bromoethylamine hydrobromide	2-??????? ???????	2576-47-8	C2H7Br2N
L-Hercynine		534-30-5	C9H15N3O2
Leflunomide EP Impurity E		208401-20-1	C12H9F3N2O2
4-Methoxy Meloxicam		1391051-96-9	C15H15N3O4S2
Piperacillin Impurity 62	????????????	64817-23-8	C22H29N5O6S
Glimepiride EP Impurity I	ortho-GliMepiride???	878480-70-7	C24H34N4O5S
Linagliptin Impurity 53		188111-79-7	C10H20N2O2
Milbemectin A4	????A4	51596-11-3	C32H46O7
Atracurium Impurity 14
FORMALDEHYDE-D2		1664-98-8	CD2O
Apixaban Impurity 71		1998079-15-4	C30H34N6O4
8-Fluoro-6,11-dihydrodibenzo[b,e]thiepin-11-ol		1820001-80-6	C14H11FOS
Olaparib Impurity 105		477535-39-0	C7H3Br2FO
Lufenuron EP Impurity C
Butylphthalide Impurity 15	1(3H)-???????,3-??-(9CI)	3453-64-3	C9H8O2
Altrenogest Impurity 7
Ibrutinib Impurity 89
Gentamicin Impurity 12		25876-11-3	C20H41N5O7
Paliperidone Impurity 82
Leucogen Impurity 7	2-??-???????????	17097-90-4	C11H12O4
Oxiracetam Impurity 5	oxiracetaM????ISF3886	120428-80-0	C8H13N3O4
Lacosamide EP Impurity B (R-Isomer)		1318777-54-6	C14H18N2O4
Bisoprolol Hemifumarate		104344-23-2	C22H35NO8
Lopinavir-d8		1322625-54-6	C37H40D8N4O5
H-Abu-NH2	L-2-????????	7324-11-0	C4H10N2O
Maropitant Impurty 3(M10)		142035-23-2	C20H24N2
2,4-Di-sec-butylphenol	2,4-DI-SEC-????	1849-18-9	C14H22O
Indobufen Impurity 47	2-????????	769-68-6	C10H11N
2,4-diisopropyl-5-methylphenol	2,4-??????-5-????	40625-96-5	C13H20O
EzetimiBe Impurity 19	EzetiMibe?????????IMpurity	1391053-63-6	C24H23F2NO4
Sodium Valproate Impurity 15		2163-48-6	C10H18O4
5-Fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide		1350653-27-8	C14H11F2N5
(1R,2S,5R)-Lamivudine Impurity 32		147126-62-3	C14H24O4S
Linagliptin Impurity 75		586408-08-4	C10H10N4O2
N,N'-bis(2-methylphenyl)benzene-1,4-diamine	N,N'-??(2-????)??-1,4-???	15017-02-4	C20H20N2

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

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