rose bengal lactone
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
1 FDA-registered drug labeler
Cambrex Charles City, Inc
Why It Matters
Sectors
Health
Downstream UsesNo data available
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
$152.57/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$152.57 / 1 g
Purity95%
Vendors9 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
8 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 |
|---|---|---|---|---|
| Sigma-Aldrich | Germany | $152.57 | 1 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $324.00 | 250 mg | 95% |
| Angene Chemical | China → Hong Kong | $352.00 | 250 mg | 95% |
| AstaTech (2 weeks) | United States | $416.00 | 250 mg | 95% |
| A2B Chem LLC (1 week) | United States | $639.00 | 1 g | 98% |
| AA BLOCKS (1 week) | United States | $675.00 | 1 g | 98% |
| MedChemExpress MCE | Sweden | $1004.30 | 100 mg | 99.3% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
Chemical Identity
CAS4159-77-7
PubChem CID69439
DTXSIDDTXSID0048426
FormulaC20H4Cl4I4O5
Mol. Weight973.7 g/mol
SMILESC1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I
Data Sources
694392026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/rose bengal lactone/cids/JSON
Archive: data/sources/pubchem_name/rose bengal lactone.json
CAS 4159-77-72026-04-24
https://www.epa.gov/tsca-inventory
Archive: data/sources/tsca/tsca_inventory.csv
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json