5-Methylquinoline
Drug ingredientCAS 7661-55-4
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
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 unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
2 FDA-registered drug labelers
DARMERICA, LLC
Qingdao Biopeptek 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
Vendor Pricing
$3.51/gAaron Chemicals LLC
CountryHong Kong
Pack$351.00 / 100 g
Purity97%
Vendors17 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
16 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $3.71 | 100 g | 97% |
| A2B Chem LLC | United States | $5.12 | 25 g | 97% |
| AA BLOCKS | United States | $5.72 | 25 g | 98% |
| Combi-Blocks, Inc. | United States | $6.40 | 25 g | 97% |
| BLD Pharmatech Ltd. | China | $6.80 | 100 g | 98% |
| Chemscene | United States | $6.83 | 100 g | — |
| BLD Pharmatech Co., Limited | United States | $7.19 | 100 g | 98% |
| Ambeed, Inc. | United States | $7.19 | 100 g | 98% |
| BLD Pharmatech GmbH | Germany | $7.20 | 25 g | 98% |
| AstaTech, Inc | United States | $7.96 | 25 g | 95% |
| Fluorochem UK | United Kingdom | $8.01 | 5 g | 95% |
| Synthonix | United States | $10.00 | 10 g | 98% |
| Fluorochem EU | Germany | $10.89 | 1 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| TargetMol Chemicals | China → United States | $500.00 | 100 mg | 99.84% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
Chemical Identity
CAS7661-55-4
PubChem CID24312
DTXSIDDTXSID40227431
FormulaC10H9N
Mol. Weight143.18 g/mol
SMILESCC1=C2C=CC=NC2=CC=C1
Data Sources
- PubChem · compound 24312Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
5-Methylquinoline (CAS 7661-55-4) https://chemicalindependence.com/chemical/7661-55-4/ PubChem: 24312. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/24312 FDA National Drug Code directory: CAS 7661-55-4. 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/