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.
magnesium sulfate heptahydrate · MAGNESIUM SULFATE HEPTAHYDRATE 2 g/50mL · Injection, Solution · Intravenous · B. Braun Medical Inc.
NDC 00264-4204-52 · 24 CONTAINER in 1 CASE / 50 mL in 1 CONTAINER · 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.
There's no legal definition — it meets 2 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 |
|---|---|---|---|
| Fresenius Kabi USA, LLC | MAGNESIUM SULFATE HEPTAHYDRATE 500 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| Fresenius Kabi USA, LLC | MAGNESIUM SULFATE HEPTAHYDRATE 1 g/100mL | Jul 15, 2026 | Sep 3, 2026 |
| Fresenius Kabi USA, LLC | MAGNESIUM SULFATE HEPTAHYDRATE 40 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| Medical Purchasing Solutions, LLC | MAGNESIUM SULFATE HEPTAHYDRATE 500 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| ProPharma Distribution | MAGNESIUM SULFATE HEPTAHYDRATE 500 mg/mL | Jul 15, 2026 | Sep 3, 2026 |
| B. Braun Medical Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 4 g/50mL | Jul 15, 2026 | Sep 2, 2026 |
| B. Braun Medical Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 2 g/50mL | Jul 15, 2026 | Sep 2, 2026 |
| B. Braun Medical Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 4 g/100mL | Jul 15, 2026 | Sep 2, 2026 |
| B. Braun Medical Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 10 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Baxter Healthcare Corporation | MAGNESIUM SULFATE HEPTAHYDRATE 4 g/50mL | Jul 15, 2026 | Sep 2, 2026 |
| Baxter Healthcare Corporation | MAGNESIUM SULFATE HEPTAHYDRATE 2 g/50mL | Jul 15, 2026 | Sep 2, 2026 |
| Baxter Healthcare Corporation | MAGNESIUM SULFATE HEPTAHYDRATE 3 g/100mL | Jul 15, 2026 | Sep 2, 2026 |
| Baxter Healthcare Corporation | MAGNESIUM SULFATE HEPTAHYDRATE 4 g/100mL | Jul 15, 2026 | Sep 2, 2026 |
| Camber Pharmaceuticals, Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 500 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Civica, Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 2 g/50mL | Jul 15, 2026 | Sep 2, 2026 |
| Fresenius Kabi USA, LLC | MAGNESIUM SULFATE HEPTAHYDRATE 80 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Gland Pharma Limited | MAGNESIUM SULFATE HEPTAHYDRATE 2 g/50mL | Jul 15, 2026 | Sep 2, 2026 |
| Gland Pharma Limited | MAGNESIUM SULFATE HEPTAHYDRATE 4 g/100mL | Jul 15, 2026 | Sep 2, 2026 |
| Henry Schein, Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 500 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Remedyrepack Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 500 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Sagent Pharmaceuticals | MAGNESIUM SULFATE HEPTAHYDRATE 40 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Sun Pharmaceutical Industries, Inc. | MAGNESIUM SULFATE HEPTAHYDRATE 40 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Magnesium Sulfate in Water — NDC 00264-4204-52," retrieved September 3, 2026, https://drugdashboards.com/drug/00264420452.
Free to cite with attribution — see how the data is put together.