Emtricitabine

Drug ingredient

CAS 143491-57-0

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

Molecular structure of 143491-57-0
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
41 FDA-registered drug labelers
A-S Medication Solutions
Amneal Pharmaceuticals NY LLC
Aurobindo Pharma Limited
AURORE PHARMACEUTICALS PRIVATE LIMITED
AvKARE
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Cambrex Charles City, Inc.
Cipla Ltd.
Cipla USA Inc.
Dasami Lab Private Limited
DirectRx
Esteve Huayi Pharmaceuticals Co., Ltd
Excella GmbH & Co. KG
Exelan Pharmaceuticals, Inc.
Gilead Sciences, Inc
Golden State Medical Supply, Inc.
Hetero Labs Limited
Janssen Products LP
Laurus Labs Limited
Lupin Pharmaceuticals, Inc.
Macleods Pharmaceuticals Limited
Major Pharmaceuticals
Matrix Pharmacorp Private Limited
Mylan Pharmaceuticals Inc.
NorthStar RxLLC
NuCare Pharmaceuticals, Inc.
Patheon Inc.
Proficient Rx LP
QUALLENT PHARMACEUTICALS HEALTH LLC
Redpharm Drug
Rottendorf Pharma GmbH
Shanghai Desano Chemical Pharmaceutical Co., Ltd.
Strides Pharma Inc.
Strides Pharma Science Limited
Takeda GmbH
Teva Pharmaceuticals USA, Inc.
Uquifa Spain
Yuhan Chemical Inc.
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 15 drug and cosmetic product listings (FDA).

  • •Emtricitabine/TDF
  • •Emtricitabine AND Tenofovir Disoproxil Fumarate
  • •emtricitabine, rilpivirine and tenofovir disoproxil fumarate
  • •Genvoya
  • •Emtriva
  • •Stribild
  • •emtricitabine
  • •Emtricitabine, Rilpivirine, Tenofovir Disoproxil Fumarate
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS143491-57-0
PubChem CID60877
DTXSIDDTXSID0040129
FormulaC8H10FN3O3S
Mol. Weight247.25 g/mol
SMILESC1C(OC(S1)CO)N2C=C(C(=NC2=O)N)F

Data Sources

Brief citations

Emtricitabine (CAS 143491-57-0) https://chemicalindependence.com/chemical/143491-57-0/ PubChem: 60877. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/60877 FDA National Drug Code directory: CAS 143491-57-0. 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 293499 for CAS 143491-57-0. Reporting year: 2024. https://usatrade.census.gov/