Thymalfasin

Drug ingredient

CAS 62304-98-7

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

US productionNot reported

Import value, 2024$310M

Top sourceIreland 56%

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 300213 · basket

These shares come from HS customs code 300213, which is a broad customs category that also covers chemicals outside this dataset. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IE 56%IrelandGB 10%United KingdomDE 7%GermanySG 7%SingaporeCH 6%Switzerland

Belgium
Australia
Finland
India
Spain
Taiwan
Canada
Japan
South Africa
Czech Republic
Slovenia
Saudi Arabia
Austria
Israel
Lebanon
Iceland
Norway

8 FDA-registered drug labelers

Bills Biotech Pvt. Ltd.

DARMERICA, LLC

El-Peptido (Shanghai) Biopharmaceutical Co., Ltd

Hangzhou XinHan Biopharma Co., Ltd.

Harbin Jixianglong Biotech Co., Ltd.

Qingdao Biopeptek Co., Ltd.

SCH Global Services Private Limited

Shenzhen Alvantis Pharma Co., Ltd.

Why It Matters

Sectors

Health

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Chemical Identity

CAS62304-98-7

PubChem CID16130571

DTXSIDDTXSID80211374

FormulaC129H215N33O55

Mol. Weight3108.3 g/mol

SMILESCCC(C)C(C(=O)NC(C(C)O)C(=O)NC(C(C)O)C(=O)NC(CCCCN)C(=O)NC(CC(=O)O)C(=O)NC(CC(C)C)C(=O)NC(CCCCN)C(=O)NC(CCC(=O)O)C(=O)NC(CCCCN)C(=O)NC(CCCCN)C(=O)NC(CCC(=O)O)C(=O)NC(C(C)C)C(=O)NC(C(C)C)C(=O)NC(CCC(=O)O)C(=O)NC(CCC(=O)O)C(=O)NC(C)C(=O)NC(CCC(=O)O)C(=O)NC(CC(=O)N)C(=O)O)NC(=O)C(CCC(=O)O)NC(=O)C(CO)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C(CC(=O)O)NC(=O)C(C(C)C)NC(=O)C(C)NC(=O)C(C)NC(=O)C(CC(=O)O)NC(=O)C(CO)NC(=O)C

Data Sources

PubChem · compound 16130571Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Thymalfasin (CAS 62304-98-7) https://chemicalindependence.com/chemical/62304-98-7/ PubChem: 16130571. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/16130571 FDA National Drug Code directory: CAS 62304-98-7. 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 300213 for CAS 62304-98-7. Reporting year: 2024. https://usatrade.census.gov/