erythromycin estolate
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
1 FDA-registered drug labeler
Calyx Chemicals & Pharmaceuticals Limited
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
$0.49/gCombi-Blocks, Inc.
CountryUnited States
Pack$245.00 / 500 g
Purity98%
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 |
|---|---|---|---|---|
| AK Scientific Specialized | United States | $1.00 | 10 g | 95% |
| AstaTech, Inc | United States | $1.59 | 100 g | 95% |
| MedKoo Biosciences, Inc | United States | $45.00 | 10 g | 98% |
| TargetMol Chemicals | China → United States | $175.00 | 1 g | 99.59% |
| TargetMol Chemicals US | United States | $238.00 | 500 mg | 99.59% |
| AK Scientific, Inc. | United States | $247.00 | 1 g | — |
| MedChemExpress MCE | Sweden | $1064.80 | 100 mg | 98% |
| Interbioscreen | Hong Kong | $6187.00 | 100 mg | 92% |
Chemical Identity
CAS3521-62-8
PubChem CID441371
DTXSIDDTXSID1037224
FormulaC52H97NO18S
Mol. Weight1056.4 g/mol
SMILESCCCCCCCCCCCCOS(=O)(=O)O.CCC1C(C(C(C(=O)C(CC(C(C(C(C(C(=O)O1)C)OC2CC(C(C(O2)C)O)(C)OC)C)OC3C(C(CC(O3)C)N(C)C)OC(=O)CC)(C)O)C)C)O)(C)O
Data Sources
4413712026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/erythromycin estolate/cids/JSON
Archive: data/sources/pubchem_name/erythromycin estolate.json
CAS 3521-62-82026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json