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 |
| Norethindrone Acetate-D6 | Stable Isotopes | CS-F-00028 | 38673-38-0(Unlabeled) | Enquire |
| Norethindrone Acetate-D8 | Stable Isotopes | CS-F-00030 | 38673-38-0(Unlabeled) | Enquire |
| Norethindrone D5 | Stable Isotopes | CS-O-42063 | Not Available | Enquire |
| Norethindrone-d7 (Major) | Stable Isotopes | CS-T-95478 | Not Available | Enquire |
| Norethindrone-D8 | Stable Isotopes | CS-F-00029 | 68-22-4(Unlabeled) | Enquire |
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 |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6-β-Hydroxy Norethindrone | Metabolite | CS-T-55744 | 51724-44-8 | Enquire |
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 |
| 17-Desethynyl 17-Dibromomethylaceto-norethindrone Acetate | Impurity | CS-T-74074 | 40228-41-9 | Enquire |
| 17-O-Trimethylsilyl 6,7-Dehydro Norethindrone | Impurity | CS-T-62492 | 300542-58-9 | Enquire |
| 17-O-Trimethylsilyl Norethindrone | Impurity | CS-T-62495 | 28426-43-9 | Enquire |
| 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 |
| 6b-Hydroperoxy norethindrone acetate | Impurity | CS-O-43878 | 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 |
| Norethindrone Impurity O | Impurity | CS-P-08248 | Not Available | Enquire |
| Norethisterone 3-hexenoate | Impurity | CS-EO-00889 | Not Available | Enquire |
| Norethisterone hexenoate | Impurity | CS-EO-00890 | 89094-33-7 | Enquire |
| Norethisterone Octoate | Impurity | CS-EO-00891 | 120793-85-3 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6,7-Dehydro Norethindrone Acetate | Intermediate | CS-T-51781 | 106765-04-2 | In Stock |
| Norethindrone Acetate 3-Ethyl Ether | Intermediate | CS-T-59721 | 50717-99-2 | In Stock |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Norethindrone-Beta-D-Glucuronide | Glucuronide | CS-T-59715 | 64701-11-7 | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Norethindrone (Norethisterone) | Secondary Standards | CS-SS-24666-1GM | 68-22-4 | Enquire |
| Norethindrone acetate | Secondary Standards | CS-SS-25358-200MG | 51-98-9 | Enquire |
| Norethindrone Related Compound B | Secondary Standards | CS-SS-26393 | 734-32-7 | Enquire |
Steroids
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 10beta-Hydroperoxy norethindrone acetate | Steroids | CS-O-43673 | 13236-11-8 | Enquire |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Norethindrone-d7 AR Grade | Analytical Standard | CS-O-06822-10MG | 68-22-4(Unlabeled) | Enquire |
| Norethindrone-d7 AR Grade-10 ppm/ACN | Analytical Standard | CS-O-06822-1ML | 68-22-4(Unlabeled) | Enquire |