Product Information
DIVALPROEX SOD ER 500 MG TAB is a generic product labeled by Unichem Pharmaceuticals (USA) Inc., priced at $0.1838 per EA under NDC 29300038105. Its NADAC has been published 194 times since Oct 12, 2022.
Strength
500 mg/1
Manufacturer
Unichem Pharmaceuticals (USA) Inc.NDC
29300038105
Classification
Generic
Dosage Form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
DIVALPROEX SODIUMApproval Type
Generic (ANDA)
FDA Application
ANDA214643On Market Since
2/25/2022
Pharmacological Classes
Price Statistics
The NADAC for DIVALPROEX SOD ER 500 MG TAB has been published 194 times since Oct 12, 2022, and over the history we have for it it has declined 8.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.1838 per EA |
|---|---|
| All-time high | $0.2124 (Dec 13, 2023) |
| All-time low | $0.1508 (Nov 20, 2024) |
| 52-week high | $0.2015 |
| 52-week low | $0.1679 |
| Median price | $0.1879 |
| Average price | $0.1870 |
| Largest weekly change | -24.0% (Nov 20, 2024) |
| Weeks tracked | 194 |
| Tracking since | Oct 12, 2022 |
Generic Alternatives
The matcher finds 6 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 6 manufacturers (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 11% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Frequently asked questions
What is the NADAC price of DIVALPROEX SOD ER 500 MG TAB?
The current National Average Drug Acquisition Cost (NADAC) for DIVALPROEX SOD ER 500 MG TAB, manufactured by Unichem Pharmaceuticals (USA) Inc., is $0.1838 per EA (NDC 29300038105), effective Jun 24, 2026.
How has the price of DIVALPROEX SOD ER 500 MG TAB changed over time?
Over the history we have for it, the NADAC for DIVALPROEX SOD ER 500 MG TAB has declined 8.3%. It has been tracked across 194 weekly CMS publications since Oct 12, 2022.
What are the highest and lowest recorded NADAC prices for DIVALPROEX SOD ER 500 MG TAB?
Since Oct 12, 2022, the NADAC for DIVALPROEX SOD ER 500 MG TAB has ranged from a low of $0.1508 (Nov 20, 2024) to a high of $0.2124 (Dec 13, 2023), with a median of $0.1879 per EA.
Are there cheaper alternatives to DIVALPROEX SOD ER 500 MG TAB?
Yes. 6 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, DIVALPROEX SOD DR 500 MG TAB, is $0.1643 per EA — about 11% below DIVALPROEX SOD ER 500 MG TAB.
Who manufactures DIVALPROEX SOD ER 500 MG TAB?
DIVALPROEX SOD ER 500 MG TAB (NDC 29300038105) is labeled by Unichem Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.
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