Ormetoprim

Drug ingredient

CAS 6981-18-6

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

Molecular structure of 6981-18-6
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
1 FDA-registered drug labeler
JIANGSU TIANHE PHARMACEUTICAL CO., LTD.

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$48.60/gA2B Chem LLC
CountryUnited States
Pack$243.00 / 5 g
Purity98%
Vendors17 available

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

Chemical Identity

CAS6981-18-6
PubChem CID23418
DTXSIDDTXSID1046689
FormulaC14H18N4O2
Mol. Weight274.32 g/mol
SMILESCC1=CC(=C(C=C1CC2=CN=C(N=C2N)N)OC)OC

Data Sources

Brief citations

Ormetoprim (CAS 6981-18-6) https://chemicalindependence.com/chemical/6981-18-6/ PubChem: 23418. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23418 FDA National Drug Code directory: CAS 6981-18-6. 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 6981-18-6. Reporting year: 2024. https://usatrade.census.gov/