The short version
12 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.
Methadone Hydrochloride · METHADONE HYDROCHLORIDE 40 mg/1 · Tablet · Oral · VistaPharm, LLC
NDC 66689-0898-40 · 100 TABLET in 1 BOTTLE · ANDA · View full market →
12 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.
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →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 →
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| American Health Packaging | METHADONE HYDROCHLORIDE 10 mg/1 | Aug 6, 2026 | Sep 3, 2026 |
| Ascend Laboratories, LLC | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Ascend Laboratories, LLC | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Aurolife Pharma, LLC | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Aurolife Pharma, LLC | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Bryant Ranch Prepack | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Camber Pharmaceuticals, Inc | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Camber Pharmaceuticals, Inc | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Elite Laboratories, Inc. | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Elite Laboratories, Inc. | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Epic Pharma, LLC | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Epic Pharma, LLC | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Hikma Pharmaceuticals USA Inc. | METHADONE HYDROCHLORIDE 40 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Hikma Pharmaceuticals USA Inc. | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Hikma Pharmaceuticals USA Inc. | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Major Pharmaceuticals | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| SpecGx LLC | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| SpecGx LLC | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| SpecGx LLC | METHADONE HYDROCHLORIDE 40 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| VistaPharm, LLC | METHADONE HYDROCHLORIDE 40 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| VistaPharm, LLC | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| XLCare Pharmaceuticals, Inc | METHADONE HYDROCHLORIDE 5 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| XLCare Pharmaceuticals, Inc | METHADONE HYDROCHLORIDE 10 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Methadone Hydrochloride — NDC 66689-0898-40," retrieved September 3, 2026, https://drugdashboards.com/drug/66689089840.
Free to cite with attribution — see how the data is put together.