Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Riociguat, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Riociguat impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Riociguat-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Our Riociguat-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Riociguat Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Desmethyl Riociguat-d3 | Stable Isotopes | CS-T-101569 | Not Available | Enquire |
| N-Desmethyl Riociguat-D4 | Stable Isotopes | CS-EO-02574 | 625115-52-8-Unlabelled | Enquire |
| N-Desmethyl Riociguat-D4 | Stable Isotopes | CS-EO-02413 | 625115-52-8-Unlabelled | Enquire |
| Riociguat-13C,d3 | Stable Isotopes | CS-O-15618 | 625115-55-1(Unlabeled) | In Stock |
| Riociguat-13CD6 | Stable Isotopes | CS-EO-02575 | 1304478-43-0Unlabelled | Enquire |
| Riociguat-d3 | Stable Isotopes | CS-T-85745 | 1304478-72-5 | Enquire |
| Riociguat-d6 | Stable Isotopes | CS-T-85067 | 1304478-43-0 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Riociguat | API | CS-T-41853 | 625115-55-1 | In Stock |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desmethyl Riociguat | Metabolite | CS-O-15659 | 625115-52-8 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-[1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimid... | Impurity | CS-T-74988 | 428854-24-4 | In Stock |
| N-Desmethyl Riociguat Ethyl ester | Impurity | CS-EO-03185 | 625115-49-3 | Enquire |
| Riociguat Impurity 20 | Impurity | CS-EO-01977 | ---- | Enquire |
| Riociguat Impurity 30 | Impurity | CS-EO-02256 | Not Available | Enquire |
| Riociguat Impurity 31 | Impurity | CS-EO-03186 | ---- | Enquire |
| Riociguat Maleic acid amide impurity | Impurity | CS-O-53300 | ---- | Enquire |
| RIOCIGUAT METABOLITE M3 | Impurity | CS-O-48395 | 2298383-24-9 | Enquire |
| Riociguat N-Ethyl Impurity | Impurity | CS-O-50962 | 1361570-27-5 | Enquire |
| Riociguat Phenyldiazenyl Impurity | Impurity | CS-O-59867 | 370879-49-5 | Enquire |
| Riociguat USP Related Compound A (HCl salt) | Impurity | CS-EO-03824 | 1309776-67-7 | Enquire |
| Riociguat USP Related Compound C | Impurity | CS-EO-01753 | 2920299-23-4 | Enquire |
| 1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile | Impurity | CS-DL-00546 | 256376-65-5 | Enquire |
| 1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidam... | Impurity | CS-T-74437 | 256499-19-1 | Enquire |
| 1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxylic a... | Impurity | CS-DL-00545 | 256376-59-7 | Enquire |
| 2-(1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-(phe... | Impurity | CS-T-75275 | 428854-23-3 | Enquire |
| 2-Fluorobenzylhydrazine | Impurity | CS-M-51719 | 51859-98-4 | Enquire |
| Riociguat Impurity 10 | Impurity | CS-EO-00851 | 3052969-92-0 | Enquire |
| Riociguat Impurity 15 | Impurity | CS-EO-01586 | 1361569-10-9 | Enquire |
| Riociguat Impurity 23 | Impurity | CS-EO-01785 | 4090-37-3 | Enquire |
| Riociguat Impurity 24 | Impurity | CS-EO-01786 | 93866-45-6 | Enquire |
| Riociguat Impurity 25 | Impurity | CS-EO-01800 | 956011-26-0 | Enquire |
| Riociguat Impurity 28 | Impurity | CS-EO-01801 | Not Available | Enquire |
| Riociguat Impurity 29 | Impurity | CS-EO-01802 | Not Available | Enquire |
| Riociguat Impurity 9 | Impurity | CS-P-08367 | Not Available | Enquire |
| Riociguat Impurity D | Impurity | CS-EO-00850 | 625115-54-0 | Enquire |
| Riociguat Impurtiy 1 | Impurity | CS-P-02076 | Not Available | Enquire |
| Riociguat Impurtiy 2 | Impurity | CS-P-02077 | 304874-06-4 | Enquire |
| Riociguat Impurtiy 3 | Impurity | CS-P-02078 | Not Available | Enquire |
| Riociguat Impurtiy 4 | Impurity | CS-P-02079 | Not Available | Enquire |
| Riociguat Impurtiy 5 | Impurity | CS-P-02080 | Not Available | Enquire |
| Riociguat Impurtiy 7 | Impurity | CS-P-02082 | Not Available | Enquire |
| Riociguat N-Oxide | Impurity | CS-O-41236 | Not Available | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-(dicyanomethyl)-2-phenyldiazene oxide | Intermediate | CS-O-50243 | Not Available | Enquire |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Riociguat M1 Glucuronide | Glucuronide | CS-P-09156 | 2298383-28-3 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Nitroso Riociguat Impurity 3 | Nitrosamine | CS-O-59493 | ---- | Enquire |
| N-methyl N-Nitroso Riociguat impurity | Nitrosamine | CS-O-44875 | Not Available | Enquire |
| N-Nitroso Riociguat Impurity 2 | Nitrosamine | CS-O-59492 | ---- | Enquire |
| N-Nitroso Riociguat Related Compound C | Nitrosamine | CS-O-60312 | ---- | Enquire |
| Riociguat N-Nitroso Des Formyl Impurity | Nitrosamine | CS-EO-02253 | ---- | Enquire |
Pharmaceutical Stds.
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Methyl-dihydropurinone | Pharmaceutical Stds. | CS-TB-85411 | 1361569-18-7 | Enquire |