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Felypressin

Drug ingredient

CAS 56-59-7

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

Molecular structure of 56-59-7
US productionNot reported
Import value, 2024$16.4B
Top sourceIreland 94%

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 293719 · basket

These shares come from HS customs code 293719, which covers 53 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 94%IrelandAR 4%ArgentinaCN 1%ChinaDK 1%Denmark
1 FDA-registered drug labeler
PolyPeptide Laboratories (Sweden) AB

Why It Matters

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

Chemical Identity

CAS56-59-7
PubChem CID14257662
DTXSIDDTXSID6048599
FormulaC46H65N13O11S2
Mol. Weight1040.2 g/mol
SMILESC1CC(N(C1)C(=O)C2CSSCC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)N2)CC(=O)N)CCC(=O)N)CC3=CC=CC=C3)CC4=CC=CC=C4)N)C(=O)NC(CCCCN)C(=O)NCC(=O)N

Data Sources

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Brief citations

Felypressin (CAS 56-59-7) https://chemicalindependence.com/chemical/56-59-7/ PubChem: 14257662. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/14257662 FDA National Drug Code directory: CAS 56-59-7. 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 293719 for CAS 56-59-7. Reporting year: 2024. https://usatrade.census.gov/