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Chlortetracycline

Drug ingredient

CAS 57-62-5

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

Molecular structure of 57-62-5
US productionNot reported
Import value, 2024$62M
Top sourceChina 82%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 294130 · basket

These shares come from HS customs code 294130, which covers 10 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 82%ChinaCH 5%SwitzerlandBG 4%BulgariaTH 4%ThailandIT 2%Italy
1 FDA-registered drug labeler
Inner Mongolia Shengxue Dacheng Pharmaceutical Co., Ltd.

Why It Matters

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

Chemical Identity

CAS57-62-5
PubChem CID54675777
DTXSIDDTXSID9022811
FormulaC22H23ClN2O8
Mol. Weight478.9 g/mol
SMILESCC1(C2CC3C(C(=O)C(=C(C3(C(=O)C2=C(C4=C(C=CC(=C41)Cl)O)O)O)O)C(=O)N)N(C)C)O

Data Sources

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Brief citations

Chlortetracycline (CAS 57-62-5) https://chemicalindependence.com/chemical/57-62-5/ PubChem: 54675777. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/54675777 EPA TSCA Inventory: CAS 57-62-5. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 294130 for CAS 57-62-5. Reporting year: 2024. https://usatrade.census.gov/