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Tenofovir disoproxil fumarate

Drug ingredient

CAS 202138-50-9

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

Molecular structure of 202138-50-9
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
49 FDA-registered drug labelers
A-S Medication Solutions
American Pacific Corporation
Amneal Pharmaceuticals NY LLC
Aurobindo Pharma Limited
AvKARE
AvPAK
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Chartwell RX, LLC.
Chromo Laboratories India Private Limited
Cipla Ltd.
Cipla USA Inc.
Dasami Lab Private Limited
DirectRx
Emcure Pharmaceuticals Limited
Emnar Pharma Private Limited
Esteve Huayi Pharmaceutical Co., Ltd.
Exelan Pharmaceuticals, Inc.
Florida Pharmaceutical Products, LLC.
Gilead Sciences, Inc
Golden State Medical Supply, Inc.
Hetero Labs Limited
LAURUS LABS LIMITED
Lupin Pharmaceuticals, Inc.
Macleods Pharmaceuticals Limited
Major Pharmaceuticals
Matrix Pharmacorp Private Limited
Merck Sharp & Dohme LLC
MSD International GmbH
Mylan Pharmaceuticals Inc.
NorthStar RxLLC
NuCare Pharmaceuticals, Inc.
Patheon Inc.
PD-Rx Pharmaceuticals, Inc.
Proficient Rx LP
QUALLENT PHARMACEUTICALS HEALTH LLC
Quinn Pharmaceuticals
Redpharm Drug
Rottendorf Pharma GmbH
Shanghai Desano Chemical Pharmaceutical Co., Ltd.
SMS Pharmaceuticals Limited
Strides Pharma Inc.
Strides Pharma Science Limited
Takeda GmbH
Teva Pharmaceuticals USA, Inc.
Viatris Specialty LLC
Viyash Life Sciences Private Limited
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 14 drug and cosmetic product listings (FDA).

  • •Emtricitabine/TDF
  • •Emtricitabine AND Tenofovir Disoproxil Fumarate
  • •tenofovir disoproxil fumarate
  • •Delstrigo
  • •emtricitabine, rilpivirine and tenofovir disoproxil fumarate
  • •Viread
  • •Stribild
  • •Emtricitabine, Rilpivirine, Tenofovir Disoproxil Fumarate
Show all 14
  • •Efavirenz, Emtricitabine and Tenofovir Disoproxil Fumarate
  • •Efavirenz, Lamivudine and Tenofovir Disoproxil Fumarate
  • •Truvada
  • •Symfi
  • •Complera
  • •Cimduo
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS202138-50-9
PubChem CID6398764
DTXSIDDTXSID5050426
FormulaC23H34N5O14P
Mol. Weight635.5 g/mol
SMILESCC(C)OC(=O)OCOP(=O)(COC(C)CN1C=NC2=C(N=CN=C21)N)OCOC(=O)OC(C)C.C(=CC(=O)O)C(=O)O

Data Sources

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Brief citations

Tenofovir disoproxil fumarate (CAS 202138-50-9) https://chemicalindependence.com/chemical/202138-50-9/ PubChem: 6398764. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6398764 FDA National Drug Code directory: CAS 202138-50-9. 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 202138-50-9. Reporting year: 2024. https://usatrade.census.gov/