Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Levonorgestrel, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Levonorgestrel 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 Levonorgestrel-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 Levonorgestrel-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.
Levonorgestrel Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levonorgestrel-d6 | Stable Isotopes | CS-O-02978 | 2376035-98-0 | In Stock |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levonorgestrel | API Standards | CS-O-01737 | 797-63-7 | In Stock |
| Levonorgestrel Diacetate | API Standards | CS-F-00111 | 13635-15-9 | Enquire |
| Levonorgestrel Sulfate Sodium Salt | API Standards | CS-T-96156 | Not Available | Enquire |
| Norethindrone | API Standards | CS-O-01977 | 68-22-4 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levonorgestrel-3-ethyldienol ether | Metabolites | CS-F-00091 | 24908-87-0 | Enquire |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (+/-) Levonorgestrel EP Impurity A | Impurities | CS-T-51784 | 110785-09-6 | Enquire |
| (17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-y... | Impurities | CS-T-74349 | 14507-51-8 | Enquire |
| (5S,8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-2,4,5,... | Impurities | CS-O-59189 | Not Available | Enquire |
| 17-epi-Levonorgestrel | Impurities | CS-O-59188 | 178737-52-5 | Enquire |
| 3α, 5α tetrahydrolevonorgestrel | Impurities | CS-O-46425 | 19954-02-0 | Enquire |
| 3α, 5β-tetrahydro-levonorgestrel | Impurities | CS-P-02825 | Not Available | Enquire |
| 5a-Dihydrolevonorgestrel | Impurities | CS-T-53123 | 78088-19-4 | Enquire |
| 6-Hydroxy Levonorgestrel | Impurities | CS-F-00105 | 1458616-80-2 | Enquire |
| 6α-Hydroxy Levonorgestrel | Impurities | CS-T-79259 | 87585-03-3 | Enquire |
| 6β-Deshydroxy-10β-hydroxylevonorgestrel | Impurities | CS-TB-14843 | 20402-62-4 | Enquire |
| Levonorgestrel Acetate Delta-5 Impurity | Impurities | CS-O-43423 | 1175110-92-5 | Enquire |
| Levonorgestrel EP Impurity A | Impurities | CS-O-37870 | 1260525-53-8 | In Stock |
| Levonorgestrel EP Impurity B | Impurities | CS-T-54486 | 19914-67-1 | In Stock |
| Levonorgestrel EP Impurity C | Impurities | CS-T-54470 | 1337972-89-0 | Enquire |
| Levonorgestrel EP Impurity D | Impurities | CS-T-54441 | 32419-58-2 | Enquire |
| Levonorgestrel EP Impurity G | Impurities | CS-O-15349 | 87585-03- 3 | Enquire |
| Levonorgestrel EP Impurity H | Impurities | CS-T-55950 | 55555-97-0 | In Stock |
| Levonorgestrel EP Impurity I | Impurities | CS-T-55821 | 21508-50-9 | Enquire |
| Levonorgestrel EP Impurity J | Impurities | CS-T-60033 | 1175109-63-3 | In Stock |
| Levonorgestrel EP Impurity O | Impurities | CS-O-15350 | 155683-60-6 | In Stock |
| Levonorgestrel EP Impurity P | Impurities | CS-O-15352 | 100021-05-4 | Enquire |
| Levonorgestrel EP Impurity Q | Impurities | CS-ZG-35652 | 14507-49-4 | Enquire |
| Levonorgestrel EP Impurity R | Impurities | CS-O-32358 | 2322-77-2 | Enquire |
| Levonorgestrel Glucuronide | Impurities | CS-T-94712 | Not Available | Enquire |
| Levonorgestrel-3-isopropyldienol ether | Impurities | CS-O-43827 | Not Available | Enquire |
| rac 18-Methyl Mestranol | Impurities | CS-O-57777 | 852-82-4 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Levonorgestrel (L0551000) | EP Standards | CS-EG-00701 | 797-63-7 | Enquire |
| Levonorgestrel for system suitability 1 (Y0001431) | EP Standards | CS-EG-00654 | 797-63-7 | Enquire |
| Levonorgestrel for system suitability 2 (Y0001618) | EP Standards | CS-EG-00655 | 797-63-7 | Enquire |
| Levonorgestrel impurity B (Y0001379) | EP Standards | CS-EG-00702 | Not Available | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 18-Methyl Mestranol | Intermediates | CS-T-58347 | 14009-70-2 | Enquire |