Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Darifenacin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Darifenacin 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 Darifenacin-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 Darifenacin-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.
Darifenacin Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Darifenacin-d4 | Stable Isotopes | CS-P-07657 | 1095598-84-7 | In Stock |
| Darifenacin-d4 Hydrobromide | Stable Isotopes | CS-O-00698 | 2714474-01-6 | In Stock |
| Darifenacin-d4 Hydrochloride | Stable Isotopes | CS-O-03226 | 1095598-84-7 (Freebase) | In Stock |
| (R)-Darifenacin-d4 | Stable Isotopes | CS-T-73395 | 1261734-81-9 | Enquire |
| (R)-Darifenacin-d4 Hydrobromide | Stable Isotopes | CS-T-51610 | 1261394-25-5 | Enquire |
| rac Darifenacin-d4 | Stable Isotopes | CS-T-73883 | 1189701-43-6 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Darifenacin Hydrobromide | API | CS-O-01267 | 133099-07-7 | In Stock |
| Darifenacin Hydrochloride | API | CS-EO-03469 | 586346-94-3 | Enquire |
| Darifenacin | API | CS-O-14949 | 133099-04-4 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 7-Bromo Darifenacin | Metabolite | CS-O-15283 | 1391080-43-5 | In Stock |
| Darifenacin N-Oxide (Mixture of Diasteromers) | Metabolite | CS-O-14951 | 1391080-40-2 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Darifenacin 4-Hydroxy Impurity | Impurity | CS-O-15719 | 2468796-89-4 | Enquire |
| Darifenacin 7-Bromo Analog | Impurity | CS-O-15721 | 1391080-43-5 | Enquire |
| Darifenacin 7-Bromoethyl Impurity | Impurity | CS-O-15715 | 1598271-92-1 | In Stock |
| Darifenacin Carboxylic Acid Impurity | Impurity | CS-O-15716 | 1048979-16-3 | Enquire |
| Darifenacin Cyano Pyrrolidine Impurity | Impurity | CS-EO-03467 | 871505-23-6 | Enquire |
| Darifenacin Cyclic Amide-Impurity E | Impurity | CS-O-31173 | 1797983-04-0 | In Stock |
| Darifenacin Dehydro Impurity | Impurity | CS-O-07750 | 943034-52-4 | In Stock |
| Darifenacin Impurity 10 (Tartarate salt) | Impurity | CS-EO-03470 | 1092540-94-7 | Enquire |
| Darifenacin Impurity 6 | Impurity | CS-O-16065 | 133034-07-8 | In Stock |
| Darifenacin Impurity B | Impurity | CS-O-07747 | 127264-14-6 | In Stock |
| Darifenacin Impurity C | Impurity | CS-O-10800 | 252317-48-9 | In Stock |
| Darifenacin Nitrile Impurity | Impurity | CS-O-15761 | 608127-89-5 | In Stock |
| Darifenacin Nitrile Impurity (HCl) | Impurity | CS-EO-03468 | 252317-48-9 (Freebase) | Enquire |
| Darifenacin Open chain | Impurity | CS-O-16014 | Not Available | In Stock |
| Darifenacin Pyrrolidin Carboxylic Acid Impurity | Impurity | CS-O-15722 | 1050646-75-7 | In Stock |
| Darifenacin Pyrrolidinium Dimer Acetonitrile Impurity | Impurity | CS-O-15821 | ---- | In Stock |
| Darifenacin Vinylbenzofuran Impurity | Impurity | CS-O-15720 | 633335-98-5 | In Stock |
| (N-((S)-3(2-amino-2oxo-1,1diphenylethyl)pyrrolidin-1-yl)-2-(... | Impurity | CS-O-31174 | Not Available | Enquire |
| (R)-Darifenacin | Impurity | CS-T-51609 | 133099-05-5 | Enquire |
| (R)-Darifenacin Hydrobromide | Impurity | CS-T-51608 | 1092800-15-1 | Enquire |
| 2-Oxodarifenacin | Impurity | CS-T-83995 | 133034-08-9 | Enquire |
| 7-Bromo Darifenacin Hydrochloride | Impurity | CS-O-16125 | 1391080-43-5 (Freebase) | Enquire |
| Benzofuran-5-yl-Acetic Acid | Impurity | CS-P-07254 | 142935-60-2 | Enquire |
| Darifenacin 3-Hydroxy Impurity | Impurity | CS-O-16063 | 206048-82-0 | Enquire |
| Darifenacin 4-Hydroxy Impurity | Impurity | CS-EO-01229 | 2468796-89-4 | Enquire |
| Darifenacin acid | Impurity | CS-O-15990 | 1048979-16-3 | Enquire |
| Darifenacin Cyano Impurity | Impurity | CS-O-07749 | 1159977-31-7 | Enquire |
| Darifenacin Dimer-1 Impurity | Impurity | CS-O-07751 | Not Available | Enquire |
| Darifenacin Dimer-2 Impurity | Impurity | CS-O-07752 | Not Available | Enquire |
| Darifenacin Impurity 11 | Impurity | CS-EO-01949 | 1229355-35-4 | Enquire |
| Darifenacin Oxidized Impurity | Impurity | CS-P-07660 | 133033-99-5 | Enquire |
| Darifenacin Pyrrolidine Impurity Racemate | Impurity | CS-O-07754 | 103887-32-7 | Enquire |
| Darifenacin Pyrrolidinium Dimer Impurity | Impurity | CS-O-15717 | 1396968-57-2 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-(2,3-dihydrobenzofuran-5-yl) ethanone | Intermediate | CS-O-15572 | 90843-31-5 | In Stock |
| 2,3-dihydrobenzofuran-5-acetic acid | Intermediate | CS-O-30847 | 69999-16-2 | In Stock |
| 5-(2-bromoethyl)Benzofuran | Intermediate | CS-O-15714 | 133034-06-7 | In Stock |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-(1-nitrosopyrrolidin-3-yl)-2,2-diphenylacetamide | Nitrosamine | CS-O-46481 | Not Available | Enquire |
| 2-(1-nitrosopyrrolidin-3-yl)-2,2-diphenylacetonitrile | Nitrosamine | CS-O-46480 | Not Available | Enquire |
| Darifenacin nitroso impurity | Nitrosamine | CS-O-43262 | Not Available | In Stock |