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 |
|---|---|---|---|---|
| 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 |
| Estriol 13C3 | Stable Isotopes | CS-BE-00014 | 1255639-56-5 | Enquire |
| Estriol D1 | Stable Isotopes | CS-T-54269 | 55727-98-5 | Enquire |
| Estriol D3 | Stable Isotopes | CS-T-54268 | 79037-36-8 | Enquire |
| Estriol D3 glucuronide | Stable Isotopes | CS-O-13923 | 1852-50-2 (Unlabeled) | 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 |
| 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 Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estriol | API Standards | CS-T-54267 | 50-27-1 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 16-Epiestriol | Metabolites | CS-T-54069 | 547-81-9 | In Stock |
| 17-Epiestriol | Metabolites | CS-T-54071 | 1228-72-4 | In Stock |
| Estriol 3-sulfate | Metabolites | CS-O-13925 | 481-95-8 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| ESTETROL IMPURITY 284 | Impurities | CS-O-47877 | Not Available | Enquire |
| Estriol 3-Succinate | Impurities | CS-T-54196 | 47575-61-1 | Enquire |
| Estriol EP Impurity C | Impurities | CS-P-09217 | 1474-53-9 | Enquire |
| Estriol EP Impurity I | Impurities | CS-EO-02881 | 15370-49-7 | In Stock |
| Estriol Impurity 2 | Impurities | CS-EO-03135 | 1426679-35-7 | Enquire |
| Estriol Impurity 3 | Impurities | CS-EO-03134 | 58001-91-5 | Enquire |
| Estriol Impurity A | Impurities | CS-P-00054 | 246021-20-5 | Enquire |
| Estriol Impurity G | Impurities | CS-P-00423 | 793-89-5 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 17-Ethynylestriol | Intermediates | CS-T-54232 | 4717-40-2 | Enquire |
| 2-Hydroxyestriol | Intermediates | CS-T-79486 | 1232-80-0 | Enquire |
| 3-O-Benzyl 16-Epiestriol | Intermediates | CS-T-48873 | 33116-58-4 | Enquire |
| 3-O-Benzyl 17-Epiestriol | Intermediates | CS-T-48872 | 1316291-21-0 | Enquire |
| 3-O-Benzyl Estriol | Intermediates | CS-T-48878 | 18650-87-8 | Enquire |
| 3-O-Benzyl-16-O-benzoyl 16-Epiestriol | Intermediates | CS-T-48812 | 1315629-96-9 | Enquire |
| Estriol Trisulfate Trisodium Salt | Intermediates | CS-T-54270 | 100940-55-4 | In Stock |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Estriol 16-α-glucuronide | Glucuronides | CS-O-13922 | 1852-44-4 | Enquire |
| Estriol 3-glucuronide | Glucuronides | CS-O-13924 | 2479-91-6 | Enquire |
| Estriol 3-O-β-D-Glucuronide Sodium Salt | Glucuronides | CS-T-92128 | 15087-06-6 | Enquire |
| Estriol 3-sulfate-16-α-glucuronide | Glucuronides | CS-O-13926 | 4661-65-8 | Enquire |
| ESTRIOL 6-O-GLUCURONIDE | Glucuronides | CS-O-37336 | Not Available | Enquire |