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Romidepsin

Drug ingredient

CAS 128517-07-7

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

Molecular structure of 128517-07-7
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
3 FDA-registered drug labelers
Concord Biotech Limited
MSN Laboratories Private Limited
Sicor S.r.l.

Why It Matters

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

Chemical Identity

CAS128517-07-7
PubChem CID5352062
DTXSIDDTXSID8048579
FormulaC24H36N4O6S2
Mol. Weight540.7 g/mol
SMILESCC=C1C(=O)NC(C(=O)OC2CC(=O)NC(C(=O)NC(CSSCCC=C2)C(=O)N1)C(C)C)C(C)C

Data Sources

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Brief citations

Romidepsin (CAS 128517-07-7) https://chemicalindependence.com/chemical/128517-07-7/ PubChem: 5352062. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5352062 FDA National Drug Code directory: CAS 128517-07-7. 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 293499 for CAS 128517-07-7. Reporting year: 2024. https://usatrade.census.gov/