The short version
20 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.
neostigmine methylsulfate · NEOSTIGMINE METHYLSULFATE .5 mg/mL · Injection · Intravenous · Amphastar Pharmaceuticals, Inc.
NDC 00548-9601-00 · 10 CARTON in 1 PACKAGE / 1 VIAL, MULTI-DOSE in 1 CARTON / 10 mL in 1 VIAL, MULTI-DOSE · ANDA · View full market →
20 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.
Not scored — fragility is computed for NADAC-priced NDCs.
Establishments this product's FDA label declares, located via FDA registration data. How we built this →
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 |
|---|---|---|---|
| Hikma Pharmaceuticals USA Inc. | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| Medical Purchasing Solutions, LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| Amneal Pharmaceuticals LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Amneal Pharmaceuticals LLC | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Amphastar Pharmaceuticals, Inc. | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Amphastar Pharmaceuticals, Inc. | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| BE Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| BE Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Camber Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Camber Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Caplin Steriles Limited | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Caplin Steriles Limited | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Civica, Inc. | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Eugia US LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Eugia US LLC | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Exela Pharma Sciences, LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Gland Pharma Limited | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Gland Pharma Limited | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| HF Acquisition Co LLC, DBA HealthFirst | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Indoco Remedies Limited | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Indoco Remedies Limited | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Meitheal Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE 1.02 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Meitheal Pharmaceuticals Inc. | NEOSTIGMINE METHYLSULFATE .51 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Par Health USA, LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Par Health USA, LLC | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| ProPharma Distribution | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Somerset Therapeutics, LLC | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Somerset Therapeutics, LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Xellia Pharmaceuticals USA LLC | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Xellia Pharmaceuticals USA LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Xiromed LLC | NEOSTIGMINE METHYLSULFATE .5 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Xiromed LLC | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Hikma Pharmaceuticals USA Inc. | NEOSTIGMINE METHYLSULFATE 1 mg/mL | Jul 15, 2026 | Aug 28, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Neostigmine Methylsulfate — NDC 00548-9601-00," retrieved September 3, 2026, https://drugdashboards.com/drug/00548960100.
Free to cite with attribution — see how the data is put together.