Selamectin

Drug ingredient

CAS 220119-17-5

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

Molecular structure of 220119-17-5
US productionNot reported
Top sourceNo public record

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

4 FDA-registered drug labelers
BrightGene Bio-Medical Technological Co., Ltd.
Jiangsu Willing Bio-Tech Co. Ltd.
Sterling Pharma Solutions Limited
Zhejiang Jinhua Conba Bio-Pharm. Co., LTD.

Why It Matters

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

Chemical Identity

CAS220119-17-5
PubChem CID9578507
DTXSIDDTXSID6045903
FormulaC43H63NO11
Mol. Weight770 g/mol
SMILESCC1CCC2(CC3CC(O2)CC=C(C(C(C=CC=C4COC5C4(C(C=C(C5=NO)C)C(=O)O3)O)C)OC6CC(C(C(O6)C)O)OC)C)OC1C7CCCCC7

Data Sources

Brief citations

Selamectin (CAS 220119-17-5) https://chemicalindependence.com/chemical/220119-17-5/ PubChem: 9578507. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9578507 FDA National Drug Code directory: CAS 220119-17-5. 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/