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Selank

Drug ingredient

CAS 129954-34-3

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

Molecular structure of 129954-34-3
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
6 FDA-registered drug labelers
Bills Biotech Pvt. Ltd.
DARMERICA, LLC
El-Peptido (Shanghai) Biopharmaceutical Co., Ltd
Hangzhou Yiqi Biotechnology Co., Ltd
SCH Global Services Private Limited
Shenzhen Alvantis Pharma Co., Ltd.

Why It Matters

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

Chemical Identity

CAS129954-34-3
PubChem CID11765600
DTXSIDDTXSID701029276
FormulaC33H57N11O9
Mol. Weight751.9 g/mol
SMILESCC(C(C(=O)NC(CCCCN)C(=O)N1CCCC1C(=O)NC(CCCN=C(N)N)C(=O)N2CCCC2C(=O)NCC(=O)N3CCCC3C(=O)O)N)O

Data Sources

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Brief citations

Selank (CAS 129954-34-3) https://chemicalindependence.com/chemical/129954-34-3/ PubChem: 11765600. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/11765600 FDA National Drug Code directory: CAS 129954-34-3. 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 129954-34-3. Reporting year: 2024. https://usatrade.census.gov/