The short version
Only one company currently supplies this market — there is no backup if it stumbles.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Oxygen-Nitrogen Mixture
Oxygen-Nitrogen Mixture · OXYGEN 300 mL/L · Gas · Respiratory (Inhalation) · Roberts Oxygen Company, Inc.
NDC 46123-0529-01 · 2212 L in 1 CYLINDER · NDA · View full market →
Medicare Part D
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 →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Where it's made
- Roberts Oxygen Company, Inc.United Statesmanufacture
- Roberts Oxygen Company, Inc.United Statesmanufacture
Establishments this product's FDA label declares, located via FDA registration data. How we built this →
Regulatory
- Application
- NDA205849
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Oxygen-Nitrogen Mixture (Gas)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Roberts Oxygen Company, Inc. | OXYGEN 250 mL/L | Jul 15, 2026 | Sep 2, 2026 |
| Roberts Oxygen Company, Inc. | OXYGEN 300 mL/L | Jul 15, 2026 | Sep 2, 2026 |
| Roberts Oxygen Company, Inc. | OXYGEN 400 mL/L | Jul 15, 2026 | Sep 2, 2026 |
| Roberts Oxygen Company, Inc. | OXYGEN 500 mL/L | Jul 15, 2026 | Sep 2, 2026 |
| Roberts Oxygen Company, Inc. | OXYGEN 600 mL/L | Jul 15, 2026 | Sep 2, 2026 |
| Roberts Oxygen Company, Inc. | OXYGEN 800 mL/L | Jul 15, 2026 | Sep 2, 2026 |
| Roberts Oxygen Company, Inc. | OXYGEN 900 mL/L | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Oxygen-Nitrogen Mixture — NDC 46123-0529-01," retrieved September 3, 2026, https://drugdashboards.com/drug/46123052901.
Free to cite with attribution — see how the data is put together.