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Imiquimod

Drug ingredient

CAS 99011-02-6

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

Molecular structure of 99011-02-6
US productionNot reported
Import value, 2024$1.4B
Top sourceIreland 33%

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 293399 · basket

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
19 FDA-registered drug labelers
Alivus Life Sciences Limited
Arch Pharmalabs Limited
AX Pharmaceutical Corp
Bausch Health US, LLC
Bryant Ranch Prepack
DARMERICA, LLC
DIRECT RX
Fagron Inc
Glenmark Pharmaceuticals Inc., USA
Oceanside Pharmacueticals
Padagis Israel Pharmaceuticals Ltd
Professional Compounding Centers of America
SOLARA ACTIVE PHARMA SCIENCES LIMITED
Sun Pharmaceutical Industries, Inc.
TAPI Hungary Industries Kft.
Teva Pharmaceuticals USA, Inc.
USV Private Limited
Wanbury Limited
Wavelength Enterprises LTD

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Zyclara
  • •Imiquimod
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.34/gAaron Chemicals LLC
CountryHong Kong
Pack$172.00 / 500 g
Purity31%
Vendors33 available

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

32 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.37500 g31%
A2B Chem LLC (1 week)United States$0.7625 g31%
AA BLOCKS (1 week)United States$0.8425 g31%
Biopharma PEG Scientific Inc.United States$4.3250 g95%
A2B Chem LLCUnited States$7.2825 g98%
AA BLOCKSUnited States$8.0825 g98%
Ambeed, Inc.United States$8.40100 g98%
AK Scientific SpecializedUnited States$8.40100 g95%
Combi-Blocks, Inc.United States$8.40100 g96%
AK Scientific, Inc.United States$11.51100 g98%
AstaTech, IncUnited States$14.1010 g97%
Angene International LimitedUnited States$14.1010 g98%
Accela ChemBioUnited States$20.001 g98%
MedKoo Biosciences, IncUnited States$69.0050 g98%
InterbioscreenHong Kong$85.0010 g95%
Fluorochem UKUnited Kingdom$100.10100 mg97%
TargetMol ChemicalsChina → United States$163.001 g99.99%
TargetMol Chemicals EUAustria$226.00500 mg99.99%
MolnovaChina$315.00200 mg99%
Cayman EuropeEstonia$348.671 g95%
MedChemExpress MCESweden$377.52500 mg99.96%
Axon MedchemNetherlands$480.00250 mg99%
Apexbio Technology LLCUnited States$550.00100 mg98.18%
Sigma-Aldrich (Rush Stock)Germany$633.30500 mg—
Sigma-AldrichGermany$633.30500 mg—
CliniSciences GmbHSwitzerland$1419.0050 mg98%
ChemDiv, Inc.United States$4070.00100 mg90%
AngeneChina → Hong Kong$4266.6730 mg99%
Key Organics Ltd.United Kingdom$6900.0010 mg97%
Princeton BioMolecular Research (SC)United States$8000.0015 mg90%
Vitas M Chemical LimitedHong Kong$9000.0010 mg90%
TimTec, LLCUnited States$14666.6730 mg90%

Chemical Identity

CAS99011-02-6
PubChem CID57469
DTXSIDDTXSID7041047
FormulaC14H16N4
Mol. Weight240.3 g/mol
SMILESCC(C)CN1C=NC2=C1C3=CC=CC=C3N=C2N

Data Sources

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Brief citations

Imiquimod (CAS 99011-02-6) https://chemicalindependence.com/chemical/99011-02-6/ PubChem: 57469. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/57469 FDA National Drug Code directory: CAS 99011-02-6. 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 293399 for CAS 99011-02-6. Reporting year: 2024. https://usatrade.census.gov/