riociguat and its Impurities
Riociguat belongs to the class of soluble guanylate cyclase (sGC) medication, and is used to treat pulmonary hypertension . Reference standards of Riociguat API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
6-Amino-2-[1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-7,9-dihydro-8H-purin-8-one
6-Amino-2-[1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-7,9-dihydro-8H-purin-8-one
Catalogue No.:PA 18 43540
CAS :
1361569-10-9
Molecular Formula : C18H13FN8O
Molecular Weight : 376.35
1,1'-bis(3-Fluorobenzyl)-1H,1'H-[5,6'-Bipyrazolo[3,4-b]pyridine]-3,3'-Bis(carboximidamide) Dihydrochloride
1,1'-bis(3-Fluorobenzyl)-1H,1'H-[5,6'-Bipyrazolo[3,4-b]pyridine]-3,3'-Bis(carboximidamide) Dihydrochloride
Catalogue No.:PA 18 43590
CAS :
NA
Molecular Formula : C28H24Cl2F2N10
Molecular Weight : 609.46
6-Amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-7,9-dimethyl-7,9-dihydro-8H-purin-8-one
6-Amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-7,9-dimethyl-7,9-dihydro-8H-purin-8-one
Catalogue No.:PA 18 43650
CAS :
1361569-23-4
Molecular Formula : C20H17FN8O
Molecular Weight : 404.41
2-(1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-(phenyldiazenyl)pyrimidine-4,6-diamine
2-(1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-(phenyldiazenyl)pyrimidine-4,6-diamine
Catalogue No.:PA 18 0431000
CAS :
428854-23-3
Molecular Formula : C23H18FN9
Molecular Weight : 439.46
Dimethyl (6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidine-4,5-diyl)dicarbamate
Dimethyl (6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidine-4,5-diyl)dicarbamate
Catalogue No.:PA 18 0431004
CAS :
2708578-77-0
Molecular Formula : C21H19FN8O4
Molecular Weight : 466.43
Methyl (4-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-6-(methylamino)pyrimidin-5-yl)carbamate
Methyl (4-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-6-(methylamino)pyrimidin-5-yl)carbamate
Catalogue No.:PA 18 0431005
CAS :
2514697-53-9
Molecular Formula : C20H19FN8O2
Molecular Weight : 422.42
Methyl (4-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-6-((methoxycarbonyl)amino)pyrimidin-5-yl)(methyl)carbamate
Methyl (4-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-6-((methoxycarbonyl)amino)pyrimidin-5-yl)(methyl)carbamate
Catalogue No.:PA 18 0431007
CAS :
2518331-19-4
Molecular Formula : C22H21FN8O4
Molecular Weight : 480.46
Lithium 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-7-methyl-8-oxo-7,8-dihydropurin-9-ide
Lithium 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-7-methyl-8-oxo-7,8-dihydropurin-9-ide
Catalogue No.:PA 18 0431008
CAS :
NA
Molecular Formula : C19H14FLiN8O
Molecular Weight : 396.31
2-(1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-(2-phenylhydrazinyl)pyrimidine-4,6-diamine
2-(1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-(2-phenylhydrazinyl)pyrimidine-4,6-diamine
Catalogue No.:PA 18 0431009
CAS :
NA
Molecular Formula : C23H20FN9
Molecular Weight : 441.47
1-(2-Fluorobenzyl)-N-((1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)(imino)methyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide
1-(2-Fluorobenzyl)-N-((1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)(imino)methyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide
Catalogue No.:PA 18 0431012
CAS :
NA
Molecular Formula : C28H21F2N9
Molecular Weight : 521.54
(E)-N-(Amino(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)methylene)-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide
(E)-N-(Amino(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)methylene)-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide
Catalogue No.:PA 18 0431013
CAS :
NA
Molecular Formula : C28H21F2N9
Molecular Weight : 521.54
3-(4,6-Diamino-5-((methoxycarbonyl)(methyl)amino)pyrimidin-2-yl)-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine 7-oxide
3-(4,6-Diamino-5-((methoxycarbonyl)(methyl)amino)pyrimidin-2-yl)-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine 7-oxide
Catalogue No.:PA 18 0431014
CAS :
NA
Molecular Formula : C20H19FN8O3
Molecular Weight : 438.42
N'-(4,6-Diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)-N,N-dimethylformimidamide
N'-(4,6-Diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)-N,N-dimethylformimidamide
Catalogue No.:PA 18 0431015
CAS :
NA
Molecular Formula : C20H20FN9
Molecular Weight : 405.44
N-(4,6-Diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)-N-methylnitrous Amide
N-(4,6-Diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)-N-methylnitrous Amide
Catalogue No.:PA 18 0431016
CAS :
NA
Molecular Formula : C18H16FN9O
Molecular Weight : 393.39
Methyl (4-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-6-(methyl(nitroso)amino)pyrimidin-5-yl)(methyl)carbamate
Methyl (4-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-6-(methyl(nitroso)amino)pyrimidin-5-yl)(methyl)carbamate
Catalogue No.:PA 18 0431017
CAS :
NA
Molecular Formula : C21H20FN9O3
Molecular Weight : 465.45
Ethyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)carbamate
Ethyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)carbamate
Catalogue No.:PA 18 0431018
CAS :
625115-49-3
Molecular Formula : C20H19FN8O2
Molecular Weight : 422.42
Methyl (4,6-diamino-2-(1-benzyl-5-fluoro-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)carbamate
Methyl (4,6-diamino-2-(1-benzyl-5-fluoro-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)carbamate
Catalogue No.:PA 18 0431019
CAS :
NA
Molecular Formula : C19H17FN8O2
Molecular Weight : 408.4
Methyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)(ethyl)carbamate
Methyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidin-5-yl)(ethyl)carbamate
Catalogue No.:PA 18 0431021
CAS :
1361570-27-5
Molecular Formula : C21H21FN8O2
Molecular Weight : 436.45