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Triamterene

Drug ingredient

CAS 396-01-0

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 396-01-0
US productionNot reported
Import value, 2024$7.6B
Top sourceIreland 61%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293359 · basket

These shares come from HS customs code 293359, which covers 295 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 61%IrelandCH 30%SwitzerlandGB 2%United KingdomCN 2%ChinaIN 1%India
29 FDA-registered drug labelers
A-S Medication Solutions
Actavis Pharma, Inc.
Advagen Pharma Ltd
Advanz Pharma (US) Corp.
American Health Packaging
Aphena Pharma Solutions - Tennessee, LLC
Apotex Corp.
Biocon Pharma Inc.
BluePoint Laboratories
Bryant Ranch Prepack
Chartwell RX, LLC
Dipharma Francis Srl
Golden State Medical Supply, Inc.
Ipca Laboratories Limited
Macleods Pharmaceuticals Limited
Moehs Catalana SL
Northwind Health Company, LLC
NuCare Pharmaceuticals, Inc.
PD-Rx Pharmaceuticals, Inc.
Prasco Laboratories
Preferred Pharmaceuticals Inc.
Proficient Rx LP
REMEDYREPACK INC.
Sandoz Inc
St Mary's Medical Park Pharmacy
TRUPHARMA LLC
Viona Pharmaceuticals Inc
Zydus Lifesciences Limited
Zydus Pharmaceuticals (USA) Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

  • •Triamterene and Hydrochlorothiazide
  • •Triamterene
  • •Dyrenium
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$2.98/gA2B Chem LLC
CountryUnited States
Pack$298.00 / 100 g
Purity99%
Vendors19 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

18 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$3.89100 g99%
AK Scientific SpecializedUnited States$4.44100 g95%
AK Scientific, Inc.United States$8.1010 g98%
Sigma-Aldrich (Rush Stock)Germany$9.7425 g99%
Sigma-AldrichGermany$9.7425 g99%
Cayman EuropeEstonia$13.575 g98%
MedKoo Biosciences, IncUnited States$24.0025 g98%
CliniSciences GmbHSwitzerland$32.251 g99%
MedChemExpress MCESweden$87.12500 mg99.9%
InterbioscreenHong Kong$129.0010 g95%
Labotest KGGermany$217.805000 mg90%
Vitas M Chemical LimitedHong Kong$310.001 g90%
Apexbio Technology LLCUnited States$510.00100 mg99.84%
TargetMol ChemicalsChina → United States$580.0050 mg99.77%
MolnovaChina$740.0050 mg99%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
ChemDiv, Inc.United States$7666.6715 mg90%
TimTec, LLCUnited States$9333.3330 mg98%

Chemical Identity

CAS396-01-0
PubChem CID5546
DTXSIDDTXSID6021373
FormulaC12H11N7
Mol. Weight253.26 g/mol
SMILESC1=CC=C(C=C1)C2=NC3=C(N=C(N=C3N=C2N)N)N

Data Sources

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Brief citations

Triamterene (CAS 396-01-0) https://chemicalindependence.com/chemical/396-01-0/ PubChem: 5546. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5546 FDA National Drug Code directory: CAS 396-01-0. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293359 for CAS 396-01-0. Reporting year: 2024. https://usatrade.census.gov/