Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Estriol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Estriol 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 Estriol-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 Estriol-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.
Estriol Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estriol D3 | Stable Isotopes | CS-T-54268 | 79037-36-8 | Enquire |
| Estriol-d3 16-O-β-D-Glucuronide | Stable Isotopes | CS-T-98465 | Not Available | Enquire |
| Estriol-d3 3-O-Sulfate 16-O-β-D-Glucuronide Sodium Salt | Stable Isotopes | CS-T-98463 | Not Available | Enquire |
| Estriol-d3 3-O-Sulfate Sodium Salt | Stable Isotopes | CS-T-99249 | Not Available | Enquire |
| Estriol-d3 3-O-β-D-Glucuronide Sodium Salt | Stable Isotopes | CS-T-98464 | Not Available | Enquire |
| 16-Epiestriol-d6 | Stable Isotopes | CS-T-54070 | 221093-41-0 | Enquire |
| 16α-Hydroxyestradiol-[2,3,4-13C3] (Solution) | Stable Isotopes | CS-I-00589 | 1255639-56-5 | Enquire |
| 17-Epiestriol-d5 | Stable Isotopes | CS-T-95259 | Not Available | Enquire |
| 3-O-Benzyl Estriol-d1 | Stable Isotopes | CS-T-99692 | Not Available | Enquire |
| Estriol 13C3 | Stable Isotopes | CS-BE-00014 | 1255639-56-5 | Enquire |
| Estriol D1 | Stable Isotopes | CS-T-54269 | 55727-98-5 | Enquire |
| Estriol D3 glucuronide | Stable Isotopes | CS-O-13923 | 1852-50-2 (Unlabeled) | Enquire |
| Estriol-D6 glucuronide | Stable Isotopes | CS-O-13928 | 1852-50-2 (Unlabeled) | Enquire |
| Estriol-D6 sulfate | Stable Isotopes | CS-O-13929 | 5150-64-1 (Unlabeled) | Enquire |
| Estriol-D6 sulfate glucuronide | Stable Isotopes | CS-O-13927 | 4661-65-8 (Unlabeled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estriol | API | CS-T-54267 | 50-27-1 | In Stock |
| Estetrol monohydrate | API | CS-ED-41548 | 2055649-81-3 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 16-Epiestriol | Metabolite | CS-T-54069 | 547-81-9 | In Stock |
| 17-Epiestriol | Metabolite | CS-T-54071 | 1228-72-4 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Methylestrone | Impurity | CS-TB-93458 | 2626-12-2 | Enquire |
| ESTETROL IMPURITY 284 | Impurity | CS-O-47877 | Not Available | Enquire |
| Estriol 3-sulfate | Impurity | CS-O-13925 | 481-95-8 | In Stock |
| Estriol EP Impurity C | Impurity | CS-P-09217 | 1474-53-9 | Enquire |
| Estriol EP Impurity I | Impurity | CS-EO-02881 | 15370-49-7 | In Stock |
| Estriol Impurity 2 | Impurity | CS-EO-03135 | 1426679-35-7 | Enquire |
| Estriol Impurity 3 | Impurity | CS-EO-03134 | 58001-91-5 | Enquire |
| ESTRONE AMPOLA 1000 μG/ML | Impurity | CS-O-48171 | 53-16-7 | Enquire |
| Estriol 3-Succinate | Impurity | CS-T-54196 | 47575-61-1 | Enquire |
| Estriol Impurity A | Impurity | CS-P-00054 | 246021-20-5 | Enquire |
| Estriol Impurity G | Impurity | CS-P-00423 | 793-89-5 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estriol Trisulfate Trisodium Salt | Intermediate | CS-T-54270 | 100940-55-4 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estriol 16-α-glucuronide | Glucuronide | CS-O-13922 | 1852-44-4 | Enquire |
| Estriol 3-glucuronide | Glucuronide | CS-O-13924 | 2479-91-6 | Enquire |
| Estriol 3-O-β-D-Glucuronide Sodium Salt | Glucuronide | CS-T-92128 | 15087-06-6 | Enquire |
| Estriol 3-sulfate-16-α-glucuronide | Glucuronide | CS-O-13926 | 4661-65-8 | Enquire |
| ESTRIOL 6-O-GLUCURONIDE | Glucuronide | CS-O-37336 | Not Available | Enquire |