OpenBilldrug price receipt

NADAC week of 2026-10-14

ISOSORBIDE MONONIT ER 60 MG TB

For 30 tablets

Pharmacies pay

$2.91 filed

30 × $0.09688 per EA

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D paid

$5.48 filed

30 × $0.18255 per EA, Part D average

Medicare's price is not your price.

Medicare Part D · DSD_PTD_RY26_P04_V10_DY24_BGM.csv · eff. 2024-01-01 to 2024-12-31 · as of 2026-06-25 · retrieved 2026-10-18


The spread

1.9× estimated

Medicare paid 1.9× what pharmacies pay.

Part D averages every strength and form sold under “Isosorbide Mononitrate ER” / “Isosorbide Mononitrate” into one figure, so it is not specific to this NDC.

OpenBill calculation · DSD_PTD_RY26_P04_V10_DY24_BGM.csv + nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17) · Part D 2024-01-01 to 2024-12-31 (file of 2026-06-25, retrieved 2026-10-18)

Cost-plus estimate

$8.35 estimated

$2.91 + $0.44 (15%) + $5.00 fee per fill = $8.35

This is a model, not a price any pharmacy quoted. Shipping is not included. For a pack this cheap, the $5.00 fee is most of the estimate. How it is worked out

OpenBill calculation · nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17)

Open the interactive card Change the quantity, type what you were charged, and see every record in full.

What it is

ISOSORBIDE MONONIT ER 60 MG TB is how the CMS NADAC file names this product. The FDA NDC Directory lists it as isosorbide mononitrate.

FDA gives its dosage form as tablet, extended release and its route as oral.

FDA lists 7 labelers (the companies named on the label) for its NDCs, among them Major Pharmaceuticals, Torrent Pharmaceuticals Limited and Edenbridge Pharmaceuticals LLC.

FDA’s Established Pharmacologic Class for it is Nitrate Vasodilator.

The NADAC file of 2026-10-14 prices it under 14 NDCs (National Drug Codes); the FDA directory lists 11 of them.

NADAC classes it as a generic drug (rate-setting class G), and does not mark it as sold over the counter.

What pharmacies pay

Pharmacies pay $2.91 for 30 tablets (30 × $0.09688 per EA, rounded to the cent), by the CMS NADAC file of 2026-10-14; that price took effect on 2026-09-23. That is what pharmacies pay their suppliers, not what they charge you.

NADAC’s explanation code for it: 1, calculated from the most recently completed pharmacy survey.

The 7 labelers

LabelerNDCsPharmacies pay per unit
Aurobindo Pharma Limited2$0.09688 per EA filed
Edenbridge Pharmaceuticals LLC.2$0.09688 per EA filed
Ingenus Pharmaceuticals, LLC2$0.09688 per EA filed
Torrent Pharmaceuticals Limited2$0.09688 per EA filed
American Health Packaging1$0.09688 per EA filed
Chartwell RX, LLC1$0.09688 per EA filed
Major Pharmaceuticals1$0.09688 per EA filed
Not listed as a package in the FDA directory3$0.09688 per EA filed
All 14 NDCs, with labeler and price
  • 00904-6450-61 · Major Pharmaceuticals · $0.09688 per EA · eff. 2026-09-23 filed
  • 13668-0105-01 · Torrent Pharmaceuticals Limited · $0.09688 per EA · eff. 2026-09-23 filed
  • 13668-0105-10 · Torrent Pharmaceuticals Limited · $0.09688 per EA · eff. 2026-09-23 filed
  • 23155-0178-01 · not listed as a package in the FDA directory · $0.09688 per EA · eff. 2026-09-23 filed
  • 23155-0178-05 · not listed as a package in the FDA directory · $0.09688 per EA · eff. 2026-09-23 filed
  • 42799-0959-01 · Edenbridge Pharmaceuticals LLC. · $0.09688 per EA · eff. 2026-09-23 filed
  • 42799-0959-02 · Edenbridge Pharmaceuticals LLC. · $0.09688 per EA · eff. 2026-09-23 filed
  • 50742-0176-01 · Ingenus Pharmaceuticals, LLC · $0.09688 per EA · eff. 2026-09-23 filed
  • 50742-0176-05 · Ingenus Pharmaceuticals, LLC · $0.09688 per EA · eff. 2026-09-23 filed
  • 59651-0540-01 · Aurobindo Pharma Limited · $0.09688 per EA · eff. 2026-09-23 filed
  • 59651-0540-05 · Aurobindo Pharma Limited · $0.09688 per EA · eff. 2026-09-23 filed
  • 60687-0794-01 · American Health Packaging · $0.09688 per EA · eff. 2026-09-23 filed
  • 60687-0794-11 · not listed as a package in the FDA directory · $0.09688 per EA · eff. 2026-09-23 filed
  • 62135-0587-90 · Chartwell RX, LLC · $0.09688 per EA · eff. 2026-09-23 filed

Other strengths, forms and brands

4 other products in the NADAC file share the FDA nonproprietary name isosorbide mononitrate with ISOSORBIDE MONONIT ER 60 MG TB.

ProductPharmacies pay per unitMedicare per unit
ISOSORBIDE MONONIT 10 MG TAB
generic · tablet
$2.40398 per EA filed
eff. 2026-09-23 to 2026-09-30
$0.35035 per EA filed
Part D 2024 average
ISOSORBIDE MONONIT 20 MG TAB
generic · tablet
$2.29118 per EA filed
eff. 2026-09-23 to 2026-09-30
$0.35035 per EA filed
Part D 2024 average
ISOSORBIDE MONONIT ER 30 MG TB
generic · tablet, extended release
$0.06877 per EA filed
eff. 2026-09-23
$0.18255 per EA filed
Part D 2024 average
ISOSORBIDE MONONIT ER 60 MG TB this page
generic · tablet, extended release
$0.09688 per EA filed
eff. 2026-09-23
$0.18255 per EA filed
Part D 2024 average
ISOSORBIDE MONONIT ER 120 MG
generic · tablet, extended release
$0.16621 per EA filed
eff. 2026-09-23
$0.18255 per EA filed
Part D 2024 average

Part D is one average per brand and generic name, over every strength and form.

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23, 2026-09-30 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D · DSD_PTD_RY26_P04_V10_DY24_BGM.csv · eff. 2024-01-01 to 2024-12-31 · as of 2026-06-25 · retrieved 2026-10-18

Compared with its class

The middle of its 14 NDCs’ NADAC prices is $0.09688 per EA filed.

Of the 19 other products in FDA’s Nitrate Vasodilator class priced per EA, 16 have a higher middle NADAC price and 3 a lower one. The one in the middle is NITROGLYCERIN 0.1 MG/HR PATCH, at $0.49331 per EA filed (eff. 2026-09-23).

Prices are compared per unit, whatever the strength or dose, and a class is not a list of substitutes.

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

What Medicare paid

Medicare Part D paid $5.48 for 30 tablets, at an average of $0.18255 per EA in 2024 (2024-01-01 to 2024-12-31) for “Isosorbide Mononitrate ER” and “Isosorbide Mononitrate”, every strength and form sold under that name together (Medicare Part D Spending by Drug, file of 2026-06-25).

That average covers 4,766,057 Part D claims (fills, including refills) for 2024-01-01 to 2024-12-31, across every maker, strength and form under the name.

12 of the product’s 14 NDCs have this Medicare figure; the other 2 do not, and the interactive card says why for each.

Medicare's price is not your price.

What to ask at the counter

None of these figures is your price: what you pay depends on your pharmacy, your insurance, coupons and discounts.

Questions

Why is the comparison with Medicare for ISOSORBIDE MONONIT ER 60 MG TB labelled estimated?
Beyond what the card shows, the records give these reasons: The Part D figure covers 2024-01-01 to 2024-12-31; the NADAC price is from the file of 2026-10-14. Part D spending basis, as the Part D record states it: Part D 2024 average spend per dosage unit for Isosorbide Mononitrate ER / Isosorbide Mononitrate: all makers, strengths, forms and routes combined, claim-weighted; gross cost incl. dispensing fees and patient pay, before rebates. Unit taken as NADAC's EA. Joined on generic name.