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metenkefalin

Drug ingredient

CAS 58569-55-4

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

Molecular structure of 58569-55-4
US productionNot reported
Import value, 2024$760M
Top sourceChina 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 293090 · basket

These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
3 FDA-registered drug labelers
DARMERICA, LLC
Guna spa
Qingdao Biopeptek Co., Ltd.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

  • •GUNA-FLAM
  • •GUNA-Virus
  • •GUNA-Spasm
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS58569-55-4
PubChem CID443363
DTXSIDDTXSID90974125
FormulaC27H35N5O7S
Mol. Weight573.7 g/mol
SMILESCSCCC(C(=O)O)NC(=O)C(CC1=CC=CC=C1)NC(=O)CNC(=O)CNC(=O)C(CC2=CC=C(C=C2)O)N

Data Sources

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Brief citations

metenkefalin (CAS 58569-55-4) https://chemicalindependence.com/chemical/58569-55-4/ PubChem: 443363. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/443363 FDA National Drug Code directory: CAS 58569-55-4. 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 293090 for CAS 58569-55-4. Reporting year: 2024. https://usatrade.census.gov/