Flag of the United StatesAmerican Chemical Independence

fomepizole

Drug ingredient

CAS 7554-65-6

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

Molecular structure of 7554-65-6
US productionNot reported
Import value, 2024$597M
Top sourceSwitzerland 53%

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 293319 · basket

These shares come from HS customs code 293319, which covers 133 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CH 53%SwitzerlandDE 22%GermanyIN 14%IndiaCN 4%ChinaIT 3%Italy
12 FDA-registered drug labelers
American Regent, Inc.
Apothecon Pharmaceuticals Pvt Ltd
COHANCE LIFESCIENCES LIMITED
Gland Pharma Limited
Kingchem Laboratories Inc.
Mylan Institutional LLC
Navinta LLC
Sagent Pharmaceuticals
SERATEC
Sterling Pharma Solutions Limited
Strem Chemicals, Inc.
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Fomepizole
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.23/gManchester Organics
CountryUnited Kingdom
Pack$112.80 / 500 g
Purity95%
Vendors33 available

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

32 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.27100 g98%
A2B Chem LLCUnited States$0.27100 g98%
Combi-Blocks, Inc.United States$0.401 kg97%
BLD Pharmatech Ltd.China$0.461 kg98%
Ambeed, Inc.United States$0.461 kg98%
Angene International LimitedUnited States$0.51100 g98%
Aaron Chemicals LLCHong Kong$0.52100 g98%
ChemsceneUnited States$0.54500 g—
BLD Pharmatech Co., LimitedUnited States$0.54500 g98%
BLD Pharmatech GmbHGermany$0.54500 g98%
Angene ChemicalChina → Hong Kong$0.56500 g98%
AstaTech, IncUnited States$0.59100 g97%
AK Scientific SpecializedUnited States$0.61100 g95%
Fluorochem EUGermany$0.69100 g97%
AK Scientific, Inc.United States$0.84100 g98%
Apollo Scientific UKUnited Kingdom$1.00100 g98%
Acrotein ChemBio, Inc.United States$1.98250 g—
Fluorochem UKUnited Kingdom$2.295 g97%
Accela ChemBioUnited States$10.001 g98%
MedKoo Biosciences, IncUnited States$22.0025 g98%
ALFA AESARGermany$34.805 g97%
MolnovaChina$43.001 g99%
TargetMol ChemicalsChina → United States$48.001 g99.99%
MedChemExpress MCESweden$66.075 g99.82%
Cayman EuropeEstonia$71.0410 g98%
Sigma-Aldrich (Rush Stock)Germany$78.515 g99%
Sigma-AldrichGermany$78.515 g99%
TargetMol Chemicals USUnited States$92.00500 mg99.99%
Apexbio Technology LLCUnited States$100.00500 mg99.71%
TargetMol Chemicals EUAustria$150.00200 mg99.99%
Key Organics Ltd.United Kingdom$2740.0050 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%

Chemical Identity

CAS7554-65-6
PubChem CID3406
DTXSIDDTXSID3040649
FormulaC4H6N2
Mol. Weight82.1 g/mol
SMILESCC1=CNN=C1

Data Sources

← Back to Dashboard← Back to Health

Brief citations

fomepizole (CAS 7554-65-6) https://chemicalindependence.com/chemical/7554-65-6/ PubChem: 3406. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/3406 FDA National Drug Code directory: CAS 7554-65-6. 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 293319 for CAS 7554-65-6. Reporting year: 2024. https://usatrade.census.gov/