Trifluridine

Drug ingredient

CAS 70-00-8

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

Molecular structure of 70-00-8
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
7 FDA-registered drug labelers
Aurobindo Pharma Limited
MSN Laboratories Private Limited
NATCO PHARMA LIMITED
Sandoz Inc
Sionc Pharmaceutical Private Limited
Taiho Pharmaceutical Co., Ltd.
Yuki Gosei Kogyo Co., Ltd.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • •Lonsurf
  • •Trifluridine
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$52.00/gAaron Chemicals LLC
CountryHong Kong
Pack$520.00 / 10 g
Purity98%
Vendors29 available

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

Chemical Identity

CAS70-00-8
PubChem CID6256
DTXSIDDTXSID4046602
FormulaC10H11F3N2O5
Mol. Weight296.2 g/mol
SMILESC1C(C(OC1N2C=C(C(=O)NC2=O)C(F)(F)F)CO)O

Data Sources

Brief citations

Trifluridine (CAS 70-00-8) https://chemicalindependence.com/chemical/70-00-8/ PubChem: 6256. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6256 FDA National Drug Code directory: CAS 70-00-8. 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 70-00-8. Reporting year: 2024. https://usatrade.census.gov/