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

?? ?:Cato Research Chemicals Inc.

??:020-81960175

???:3001970523@qq.com

??:China

? ?? ?:17709

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Cefcapene Impurity 39
Flomoxef Impurity 28
Aztreonam Impurity 34		80582-09-8	C4H8N2O4S
Teneligliptin impurity 21		2423-68-9	C9H6ClNO
Nifedipine Impurity 8		74936-71-3	C16H16N2O6
8-Aminooctanoic Acid		1002-57-9	C8H17NO2
Timolol EP Impurity I
Pitavastatin Impurity 8(R,S)
Loratadine Impurity 74		31255-58-0	C14H11ClN2
Almotriptan Impurity 6	1-[[(4-?????)??]???]-????	334981-10-1	C11H16N2O2S
Rivastigmine impurity 34			C12H18N2O2
Sodium 2-hydroxy-2-methyl-4-oxopentanedioate
Lidocaine impurity 62	2-???-N-(3,5-?????)??????	174700-38-0	C10H12ClNO
3-(2-Chloroethyl)-5-methoxy-1H-indole		1000681-51-5	C11H12ClNO
Baclofen EP Impurity C	3-(4-?????)?????	35271-74-0	C11H11ClO4
Ozagrel Impurity 6		143945-86-2	C13H12N2O2
Linezolid Ipurity 85		216869-17-9	C17H22FN3O4
Thiamine Impurity 25		2169341-54-0	C9H15N3O2S
Ropivacaine EP Impurity G ((R)-Ropivacaine)	????????G	98717-16-9	C17H26N2O
delta(3)-Cefotiam	??(3)-????	142182-63-6	C18H23N9O4S3
Salbutamol Impurity 175
Progesterone Impurity 9	??????????	2529-45-5	C23H31FO5
Linezolid Impurity 69	4-(4-?????)????	10389-51-2	C10H12N2O3
Ropinirole impurity 01 HCl	??????,2-???-6-[2-(???????)??]-	920755-10-8	C16H26N2O2
Drospirenone Impurity 12	3β,5β-????????????????????	82543-18-8	C24H38O4
Phenylethyl diethylmalonate		76-67-5	C15H20O4
Enalapril Impurity 10	?????	32315-10-9	C3Cl6O3
Atropine Impurity 10		3423-23-2	C17H23NO3
2-Fluorobenzyl Chloride	??????????	345-35-7	C7H6ClF
H-D-Val-OMe · HCl		7146-15-8	C6H14ClNO2
Trazodone impurity 50		355396-54-2	C18H20Cl2N2
DL-1,2-Isopropylideneglycerol	???	100-79-8	C6H12O3
Linezolid Impurity 63		348626-43-7	C18H20N2O3
Linezolid Impurity 40		224323-47-1	C5H10ClNO2
Midodrine Related Compound A	2-???-1-(2,5-??????)???	3600-87-1	C10H15NO3
Doripenem Impurity 2		396717-61-6	C29H27N2O10P
2-(2,3-dimethoxyphenyl)ethan-1-amine	2,3-??????????	3213-29-4	C10H15NO2
Methyl nitrite	?? ????	624-91-9	CH3NO2
7-Keto Glycodeoxycholic Acid
Acetohydrazide		1068-57-1	C2H6N2O
Posaconazole Impurity 18(R,S,S,R)		213381-06-7	C37H42F2N8O4
Rasagiline Impurity 16 HCl		92850-02-7	C15H15N
Voriconazole Impurity 53	??2-????-3-????????	759-67-1	C7H11FO3
Dapoxetine Impurity 88
Lidocaine impurity 63
Fosfomycin Impurity 61
N-Acetyl Demethyl Memantine	N-???DeMethylMeMantine	778-09-6	C13H21NO
Methylstenbolone		6176-38-1	C21H32O2
68I858J9S1 2052-49-5 Tetrabutylammonium hydroxide Ammonium, tetrabutyl-, hydroxide 1-Butanaminium, N,N,N-tributyl-, hydroxide 1-Butanaminium, N,N,N-tributyl-, hydroxide (1:1) EINECS 218-147-6 T	????? ????????	2052-49-5	C16H37NO
Ziprasidone mesilate		199191-69-0	C22H31ClN4O7S2
Ceftiofur-d3 Sodium Salt		104010-37-9	C19H18N5NaO7S3
Adefovir Impurity 25	???? ?????	3282-30-2	C5H9ClO
Gatifloxacin Impurity 10		1335198-95-2	C19H22FN3O5
Iopamidol Impurity 25
Letermovir Impurity N3
Loxapine N-Oxide	???N-???	25967-34-4	C18H18ClN3O2
Doripenem 4R Isomer Impurity	(2S,4R)-4-(?????)-2-[[(??????)[(1,1-??????)????]???]??]-1-?????????(4-?????)??????	571176-82-4	C20H28N4O9S2
Posaconazole Impurity 14(S,R,R,R)	??????????????2	213381-05-6	C37H42F2N8O4
Ropivacaine Impurity 12
4-Fluorotoluene	??????(4-)	352-32-9	C7H7F
Pramipexole Impurity 57		1373869-89-6	C10H15N3O2
Methionine EP Impurity D
3-(3-chlorophenethyl)pyridine HCI	3-(3-???????)???	31251-59-9	C13H12ClN
Dopamine Impurity 85		763024-20-0	C10H15NO2
Ertapenem Impurity 15
Lidocaine impurity 61	2-???-N-(3,4-?????)??????	2564-04-7	C10H12ClNO
Hydroxychloroquine Impurity 50	(R)-????	58175-87-4	C18H26ClN3
Doripenem Impurity 5		189188-38-3	C29H27N2O10P
Miconazole Impurity 13		2745-49-5	C7H5Cl3
Tofacitinib Impurity 130	2-???-N-(2,3-???-??)-??????	2564-07-0	C10H12ClNO
Dexmedetomidine impurity 62	??,2,6-?????????	19447-06-4	C10H14O
Drospirenone Impurity 13(Mixture of Diastereomers)
diethyl 2-allyl-2-propylmalonate	2-?????????????????????	59726-38-4	C13H22O4
3-Fluorobenzyl chloride	??????????	456-42-8	C7H6ClF
Esomeprazole impurity 127		16282-23-8	C7H9NO2
Lidocaine impurity 64		64585-19-9	C10H12ClNO2
Cefixime Impurity 56
Phenobarbital EP Impurity C	5-??-5-????????	76-94-8	C11H10N2O3
4-methoxy-3,5-dimethylpyridine	???,4-???-3,5-???-(9CI)	447461-23-6	C8H11NO
Rupatadine impurity 27		2242584-13-8	C14H17Cl3N2
Pitavastatin Impurity 9(S,S)
Linezolid Impurity 51		1807854-53-0	C12H15FN2O2
6-Chloro-6-defluoro Ciprofloxacin HCl
Vitamin E Impurity 17
Tymazoline	????	24243-97-8	C14H20N2O
Dopamine Impurity 87	2-??????	102851-70-7	C8H10ClNO2
Rosuvastatin Impurity 79		1326303-05-2	C16H26N2O4S2
Entacapone Impurity 24	6-???-2,4-??????	4097-63-6
Ibrutinib Impurity 50
Doripenem Impurity 9(Sodium Salt)
Pramipexole Impurity 56
N-Nitroso Vilazodone
Diclofenac Impurity 1		2648862-09-1	C24H29Cl2NO2
Doripenem-d4 Sodium Salt
Methyl 4-amino-3-(4-chlorophenyl)butanoate		446053-47-0	C11H14ClNO2
N,N-bis(2-aminoethyl)nitrous amide		741659-46-1	C4H12N4O
Cilnidipine Impurity 18		52326-05-3	C9H16O5
Dopamine Impurity 86	4-(2-???-??)-2-???-??	74321-37-2	C10H15NO2
Thioctic acid Impurity 30
Rapamycin Impurity 1

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

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