Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Entacapone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Entacapone 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 Entacapone-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 Entacapone-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.
Entacapone Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Entacapone-d10 | Stable Isotopes | CS-O-06584 | 1185241-19-3 | In Stock |
| N,N-Bis-desethyl, N-Methyl Entacapone-d3 | Stable Isotopes | CS-T-100766 | 1364322-41-7(unlabelled) | Enquire |
| Entacapone-d10 (cis) | Stable Isotopes | CS-AI-00188 | 145195-63-7 (Unlabeled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Entacapone | API | CS-O-30903 | 130929-57-6 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (EZ)-Entacapone | Impurity | CS-O-52577 | 686349-59-7 | In Stock |
| 2,3-dinitrobenzaldehyde | Impurity | CS-O-60503 | 477535-05-0 | Enquire |
| 2,5-Dinitrobenzaldehyde | Impurity | CS-O-60450 | 1198424-70-2 | Enquire |
| Entacapone Amide Impurity | Impurity | CS-EO-00290 | 158693-01-7 | In Stock |
| Entacapone EP Impurity B | Impurity | CS-P-08892 | 1215039-66-9 | In Stock |
| Entacapone EP Impurity F | Impurity | CS-P-07760 | 160391-70-8 | In Stock |
| (2Z)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxyphenyl)-2-pro... | Impurity | CS-O-41007 | 1595072-68-6 | Enquire |
| (E)-3-O-Methyl Entacapone | Impurity | CS-T-32362 | 857629-78-8 | Enquire |
| (E/Z)-3-O-Methyl Entacapone | Impurity | CS-T-32363 | 146698-91-1 | Enquire |
| 2-(Diethylamino)-N,N-diethylacetamide | Impurity | CS-T-91515 | 27794-54-3 | Enquire |
| cis-Entacapone-3'-sulfate Sodium Salt | Impurity | CS-T-21652 | 158069-74-0 | Enquire |
| Desethylentacapone | Impurity | CS-EO-01844 | 150995-46-3 | Enquire |
| Entacapone EP Impurity A | Impurity | CS-T-21646 | 145195-63-7 | Enquire |
| Entacapone EP Impurity D | Impurity | CS-P-07766 | 857629-79-9 | Enquire |
| Entacapone EP Impurity E | Impurity | CS-P-07767 | 7659-29-2 | Enquire |
| Entacapone EP Impurity G | Impurity | CS-P-07761 | 1364322-41-7 | Enquire |
| Entacapone EP Impurity H | Impurity | CS-P-07762 | 1150310-15-8 | Enquire |
| Entacapone EP Impurity I | Impurity | CS-P-07763 | 1364322-42-8 | Enquire |
| Entacapone O-Sulphate | Impurity | CS-O-39767 | Not Available | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3,4-Dihydroxy-5-nitro benzaldehyde | Intermediate | CS-O-31468 | 116313-85-0 | In Stock |
| N,N-Diethyl-2-Cyanoacetamide | Intermediate | CS-O-14924 | 3010-20-4 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Entacapone -3-O-beta-D-Glucuronide | Glucuronide | CS-O-05697 | 158069-75-1 | In Stock |
| Entacapone 4-β-D-Glucuronide | Glucuronide | CS-T-92508 | 314058-42-9 | Enquire |
| Entacapone-3-beta-D-Glucuronide | Glucuronide | CS-P-07765 | 15869-75-1 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N,N-Diethyl-2-cyanoacetamide | Fine Chemicals | CS-O-31469 | 26391-06-0 | In Stock |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Entacapone Related Compound A | Secondary Standards | CS-SS-26073 | 145195-63-7 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Hydroxy-5-methoxy-2-nitrobenzaldehyde | Building Blocks | CS-T-96034 | 2454-72-0 | Enquire |