The short version
10 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Norethindrone Acetate and Ethinyl Estradiol · NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL 20 ug/1 · Tablet · Oral · Teva Women's Health LLC
NDC 51285-0131-97 · 5 POUCH in 1 CARTON / 1 BLISTER PACK in 1 POUCH / 21 TABLET in 1 BLISTER PACK · ANDA · View full market →
10 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
The same NDC has different prices depending on who is paying. Units differ between rungs — compare within a rung over time, not rung against rung, unless the units match.
Each rung is the newest figure for this NDC from one federal price system, shown with its own unit. Part D is matched by drug name because CMS publishes no NDCs there; it is gross spending, before confidential rebates.
Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.
Negotiated 30-day point-of-sale unit prices and formulary terms aggregated across every unsuppressed Part D and MA-PD plan for the quarter shown. Point of sale means gross of confidential rebates. CMS publishes one representative NDC per drug concept (RxCUI) rather than every package, so these figures come from CMS's representative package for the same drug — matched on generic name, strength, and dosage form. Estimated from MedPAC's program-wide rebate aggregates (June 2023: DIR = 29% of gross Part D spending; brand rebates ≈ 25–40% of gross, generics minimal). Actual rebates are confidential and vary widely by drug — this is a range, not a fact about this drug.
Pipeline and calculations built by Claude (Fable 5) from the public datasets above. Educational only — verify against primary sources before acting.
*No drug-level rebate is public — the estimate applies MedPAC's program-wide brand rebate range to this drug's gross price. Tracked here for 10 quarters since 2024.
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Manufacturer list price as filed — not what pharmacies actually pay after discounts.
Not scored — fragility is computed for NADAC-priced NDCs.
sole-source market
For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.
Backtested statistical model over the whole market, not this package alone. Model details →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| A-S Medication Solutions | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL .02 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Aurobindo Pharma Limited | NORETHINDRONE ACETATE 1.5 mg/1; ETHINYL ESTRADIOL 30 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Aurobindo Pharma Limited | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL 20 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL .02 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE 1.5 mg/1; ETHINYL ESTRADIOL .03 mg/1 | Aug 26, 2026 | Sep 2, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL 5 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE .5 mg/1; ETHINYL ESTRADIOL 2.5 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Mylan Pharmaceuticals Inc. | ETHINYL ESTRADIOL .03 mg/1; NORETHINDRONE ACETATE 1.5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Mylan Pharmaceuticals Inc. | ETHINYL ESTRADIOL .02 mg/1; NORETHINDRONE ACETATE 1 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Proficient Rx LP | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL 20 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Teva Pharmaceuticals USA, Inc. | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL 20 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Teva Pharmaceuticals USA, Inc. | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL 5 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Teva Pharmaceuticals USA, Inc. | NORETHINDRONE ACETATE 1.5 mg/1; ETHINYL ESTRADIOL 30 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Teva Women's Health LLC | NORETHINDRONE ACETATE 1.5 mg/1; ETHINYL ESTRADIOL 30 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Teva Women's Health LLC | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL 20 ug/1 | Aug 26, 2026 | Sep 2, 2026 |
| Xiromed LLC | ETHINYL ESTRADIOL 30 ug/1; NORETHINDRONE ACETATE 1.5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Xiromed, LLC | ETHINYL ESTRADIOL .02 mg/1; NORETHINDRONE ACETATE 1 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Nivagen Pharmaceuticals, Inc. | NORETHINDRONE ACETATE 1 mg/1; ETHINYL ESTRADIOL .005 mg/1 | Aug 26, 2026 | Aug 26, 2026 |
| Nivagen Pharmaceuticals, Inc. | NORETHINDRONE ACETATE .5 mg/1; ETHINYL ESTRADIOL .0025 mg/1 | Aug 26, 2026 | Aug 26, 2026 |
| A-S Medication Solutions | NORETHINDRONE ACETATE .02 mg/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Aurobindo Pharma Limited | NORETHINDRONE ACETATE 20 ug/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Aurobindo Pharma Limited | NORETHINDRONE ACETATE 30 ug/1; ETHINYL ESTRADIOL 1.5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE 5 ug/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE .03 mg/1; ETHINYL ESTRADIOL 1.5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE .02 mg/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Glenmark Pharmaceuticals Inc., USA | NORETHINDRONE ACETATE 2.5 ug/1; ETHINYL ESTRADIOL .5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Nivagen Pharmaceuticals, Inc. | NORETHINDRONE ACETATE .005 mg/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Nivagen Pharmaceuticals, Inc. | NORETHINDRONE ACETATE .0025 mg/1; ETHINYL ESTRADIOL .5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Proficient Rx LP | NORETHINDRONE ACETATE 20 ug/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Teva Pharmaceuticals USA, Inc. | NORETHINDRONE ACETATE 5 ug/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Teva Pharmaceuticals USA, Inc. | NORETHINDRONE ACETATE 20 ug/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Teva Pharmaceuticals USA, Inc. | NORETHINDRONE ACETATE 30 ug/1; ETHINYL ESTRADIOL 1.5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Teva Women's Health LLC | NORETHINDRONE ACETATE 30 ug/1; ETHINYL ESTRADIOL 1.5 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| Teva Women's Health LLC | NORETHINDRONE ACETATE 20 ug/1; ETHINYL ESTRADIOL 1 mg/1 | Jul 22, 2026 | Aug 19, 2026 |
| A-S Medication Solutions | ETHINYL ESTRADIOL .02 mg/1; NORETHINDRONE ACETATE 1 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
| Aurobindo Pharma Limited | ETHINYL ESTRADIOL 20 ug/1; NORETHINDRONE ACETATE 1 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
| Aurobindo Pharma Limited | ETHINYL ESTRADIOL 30 ug/1; NORETHINDRONE ACETATE 1.5 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
| Glenmark Pharmaceuticals Inc., USA | ETHINYL ESTRADIOL 5 ug/1; NORETHINDRONE ACETATE 1 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
| Glenmark Pharmaceuticals Inc., USA | ETHINYL ESTRADIOL 2.5 ug/1; NORETHINDRONE ACETATE .5 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
| Glenmark Pharmaceuticals Inc., USA | ETHINYL ESTRADIOL .03 mg/1; NORETHINDRONE ACETATE 1.5 mg/1 | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Loestrin 21 Day — NDC 51285-0131-97," retrieved September 3, 2026, https://drugdashboards.com/drug/51285013197.
Free to cite with attribution — see how the data is put together.