Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Norethindrone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Norethindrone 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 Norethindrone-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 Norethindrone-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.
Norethindrone Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6b-Hydroxy Norethindrone Acetate-d3 (Major) | Stable Isotopes | CS-T-99538 | Not Available | Enquire |
| 6α-Hydroxy Norethindrone Acetate-d3 | Stable Isotopes | CS-T-99539 | Not Available | Enquire |
| 7a-Methylnorethindrone-10-hydroperoxide-D5 | Stable Isotopes | CS-F-00066 | 105186-34-3 (unlabeled) | Enquire |
| Norethindrone Acetate-d3 | Stable Isotopes | CS-T-102302 | 51-98-9(Unlabelled) | Enquire |
| Norethindrone-d6 | Stable Isotopes | CS-O-06821 | 2376036-05-2 | In Stock |
| Norethindrone-d7 | Stable Isotopes | CS-O-06822 | 68-22-4(Unlabeled) | In Stock |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Norethindrone | API | CS-O-01977 | 68-22-4 | In Stock |
| Norethindrone sulfate | API | CS-ED-02478 | Not Available | Enquire |
| Norethisterone acetate | API | CS-O-30673 | 38673-38-0 | In Stock |
| Norethynodrel | API | CS-T-59718 | 68-23-5 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 17alpha-Ethynyl-5beta-estrane-3alpha,17beta-diol 3-sulfate | Impurity | CS-O-60578 | 109293-07-4 | Enquire |
| 2,6 dihydroxy Norethindrone acetate | Impurity | CS-O-49588 | Not Available | Enquire |
| 3alpha,5beta-Tetrahydronorethindrone glucuronide | Impurity | CS-O-60582 | ---- | Enquire |
| 4,5-Dihydro-6-ketonorethindrone | Impurity | CS-F-00173 | 53697-08-8 | Enquire |
| 6 Keto 4 hydroxy norethindrone acetate | Impurity | CS-O-49589 | Not Available | Enquire |
| 6beta-Acetoxy Norethindrone Acetate | Impurity | CS-F-00174 | Not Available | Enquire |
| delta-5(6)-Norethindrone Acetate | Impurity | CS-T-59717 | 1175129-26-6 | In Stock |
| Norethindrone -3-isopropyl-dienolether | Impurity | CS-O-43826 | Not Available | Enquire |
| Norethindrone Acetate EP Impurity E | Impurity | CS-O-16020 | 66964-58-7 | In Stock |
| Norethindrone Acetate EP Impurity G | Impurity | CS-T-60032 | 438244-27-0 | Enquire |
| Norethindrone Acetate EP Impurity H | Impurity | CS-EO-00876 | 2417092-17-0 | In Stock |
| Norethindrone EP Impurity F | Impurity | CS-T-59720 | 96487-85-3 | In Stock |
| 4,5a-Dihydronorethisterone | Impurity | CS-T-53110 | 52-79-9 | Enquire |
| 6-α,17-β-Dihydroxy-19-nor-17-α-pregn-4-en-20-... | Impurity | CS-F-00023 | 438244-33-8 | Enquire |
| 6, 10 dihydroxy Norethindrone Acetate | Impurity | CS-O-33091 | Not Available | Enquire |
| 6-Oxo Norethindrone | Impurity | CS-T-60031 | 67696-78-0 | Enquire |
| 6β-Acetyl Norethindrone Acetate | Impurity | CS-F-00110 | Not Available | Enquire |
| 6-β-Hydroxynorethindrone acetate | Impurity | CS-AB-00073 | 6856-27-5 | Enquire |
| Norethindrone Acetate EP Impurity A | Impurity | CS-T-51782 | 31528-46-8 | Enquire |
| Norethindrone Acetate EP Impurity C | Impurity | CS-T-59719 | 22933-71-7 | Enquire |
| Norethindrone EP Impurity B | Impurity | CS-EO-00257 | 734-32-7 | Enquire |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Norethindrone-Beta-D-Glucuronide | Glucuronide | CS-T-59715 | 64701-11-7 | Enquire |