Product Information
DIVALPROEX SOD DR 500 MG TAB is a generic product labeled by Unichem Pharmaceuticals (USA) Inc., priced at $0.1605 per EA under NDC 29300014001. Its NADAC has been published 665 times since Nov 28, 2013.
FDA first approved this application on Apr 5, 2011. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
500 mg/1
Manufacturer
Unichem Pharmaceuticals (USA) Inc.NDC
29300014001
Classification
Generic
Dosage Form
TABLET, DELAYED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
DIVALPROEX SODIUMApproval Type
Generic (ANDA)
FDA Application
ANDA079163FDA Approved
4/5/2011
TE Code
AB
On Market Since
10/1/2011
Pharmacological Classes
Price Statistics
The NADAC for DIVALPROEX SOD DR 500 MG TAB has been published 665 times since Nov 28, 2013, and over the history we have for it it has risen 26.6%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.1605 per EA |
|---|---|
| All-time high | $0.2470 (Dec 10, 2014) |
| All-time low | $0.0991 (Nov 21, 2018) |
| 52-week high | $0.1683 |
| 52-week low | $0.1572 |
| Median price | $0.1461 |
| Average price | $0.1498 |
| Largest weekly change | +77.0% (Aug 20, 2014) |
| Weeks tracked | 665 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
The matcher finds 12 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 23% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of DIVALPROEX SOD DR 500 MG TAB?
The current National Average Drug Acquisition Cost (NADAC) for DIVALPROEX SOD DR 500 MG TAB, manufactured by Unichem Pharmaceuticals (USA) Inc., is $0.1605 per EA (NDC 29300014001), effective Aug 19, 2026.
How has the price of DIVALPROEX SOD DR 500 MG TAB changed over time?
Over the history we have for it, the NADAC for DIVALPROEX SOD DR 500 MG TAB has risen 26.6%. It has been tracked across 665 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for DIVALPROEX SOD DR 500 MG TAB?
Since Nov 28, 2013, the NADAC for DIVALPROEX SOD DR 500 MG TAB has ranged from a low of $0.0991 (Nov 21, 2018) to a high of $0.2470 (Dec 10, 2014), with a median of $0.1461 per EA.
Are there cheaper alternatives to DIVALPROEX SOD DR 500 MG TAB?
Yes. 12 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, DIVALPROEX SOD DR 500 MG TAB, is $0.1228 per EA — about 23% below DIVALPROEX SOD DR 500 MG TAB.
Who manufactures DIVALPROEX SOD DR 500 MG TAB?
DIVALPROEX SOD DR 500 MG TAB (NDC 29300014001) is labeled by Unichem Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.