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Diflorasone diacetate

Drug ingredient

CAS 33564-31-7

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

Molecular structure of 33564-31-7
US productionNot reported
Import value, 2024$1.1B
Top sourceSingapore 82%

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 293722 · basket

These shares come from HS customs code 293722, which covers 36 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 82%SingaporeGB 15%United KingdomIT 2%Italy
5 FDA-registered drug labelers
Pharmacia and Upjohn Company LLC
Rising Pharma Holdings, Inc.
Sicor S.r.l.
Sun Pharmaceutical Industries, Inc.
SYMBIOTICA SPECIALITY INGREDIENTS SDN.BHD

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Diflorasone Diacetate
  • •psorcon
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS33564-31-7
PubChem CID71414
DTXSIDDTXSID8045646
FormulaC26H32F2O7
Mol. Weight494.5 g/mol
SMILESCC1CC2C3CC(C4=CC(=O)C=CC4(C3(C(CC2(C1(C(=O)COC(=O)C)OC(=O)C)C)O)F)C)F

Data Sources

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Brief citations

Diflorasone diacetate (CAS 33564-31-7) https://chemicalindependence.com/chemical/33564-31-7/ PubChem: 71414. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/71414 FDA National Drug Code directory: CAS 33564-31-7. 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 293722 for CAS 33564-31-7. Reporting year: 2024. https://usatrade.census.gov/