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.
Valproic Acid · VALPROIC ACID 500 mg/10mL · Solution · Oral · Major Pharmaceuticals
NDC 00904-7621-72 · 10 TRAY in 1 CASE / 10 CUP, UNIT-DOSE in 1 TRAY / 10 mL in 1 CUP, UNIT-DOSE · 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.
Not scored — fragility is computed for NADAC-priced NDCs.
OAI inspection at a producing facility (24 months) · sole-source market · price up 2% YoY
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 |
|---|---|---|---|
| PAI Holdings, LLC dba PAI Pharma | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 3, 2026 |
| Remedyrepack Inc. | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 3, 2026 |
| American Health Packaging | VALPROIC ACID 500 mg/10mL | Jul 15, 2026 | Sep 2, 2026 |
| American Health Packaging | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| ANI Pharmaceuticals, Inc. | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Bryant Ranch Prepack | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell Governmental & Specialty RX, LLC. | VALPROIC ACID 500 mg/10mL | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell Governmental & Specialty RX, LLC. | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell RX, LLC | VALPROIC ACID 500 mg/10mL | Jul 15, 2026 | Sep 2, 2026 |
| Chartwell RX, LLC | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Kesin Pharma Corporation | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Major Pharmaceuticals | VALPROIC ACID 250 mg/5mL | Aug 5, 2026 | Sep 2, 2026 |
| Major Pharmaceuticals | VALPROIC ACID 500 mg/10mL | Aug 5, 2026 | Sep 2, 2026 |
| NorthStar Rx LLC | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| PAI Holdings, LLC dba PAI Pharma | VALPROIC ACID 500 mg/10mL | Jul 15, 2026 | Sep 2, 2026 |
| Quagen Pharmaceuticals Llc | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Xttrium Laboratories Inc. | VALPROIC ACID 250 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Valproic Acid — NDC 00904-7621-72," retrieved September 3, 2026, https://drugdashboards.com/drug/00904762172.
Free to cite with attribution — see how the data is put together.