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Erythromycin

Drug ingredient

CAS 114-07-8

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

Molecular structure of 114-07-8
US productionNot reported
Import value, 2024$16M
Top sourceChina 83%

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

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 294150 · basket

These shares come from HS customs code 294150, which covers 8 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 83%ChinaIN 13%IndiaES 3%SpainCH 1%Switzerland
47 FDA-registered drug labelers
A-S Medication Solutions
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
Amneal Pharmaceuticals NY LLC
ANUH PHARMA LIMITED
Arbor Pharmaceuticals, Inc.
ARMAS PHARMACEUTICALS INC.
Ascend Laboratories, LLC
Asclemed USA, Inc.
Bausch & Lomb Incorporated
Bryant Ranch Prepack
Cadila Pharmaceuticals Limited
Calyx Chemicals & Pharmaceuticals Limited
Cardinal Health 107, LLC
Catalent Micron Technologies, Inc.
Direct Rx
Dr. Reddy's Labratories Inc.
Ercros SA
Fera Pharmaceuticals, LLC
Golden State Medical Supply, Inc.
HEC PHARM CO., LTD
Isomedix Operations Inc
Mayne Pharma International Pty Ltd
Medisca Inc.
Modavar Pharmaceuticals LLC
Nivagen Pharmaceuticals, Inc.
NuCare Pharmaceuticals,Inc.
Orange Pharmaceuticals USA LLC
Padagis Israel Pharmaceuticals Ltd
PD-Rx Pharmaceuticals, Inc.
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Professional Compounding Centers of America dba PCCA
Proficient Rx LP
Redpharm Drug
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Saptalis Pharmaceuticals, LLC LLC
Sentiss Pharmaceuticals LLC
SM BIOMED SDN.BHD.
ST. MARY'S MEDICAL PARK PHARMACY
Teva Pharmaceuticals USA, Inc.
Torrent Pharmaceuticals Limited
Wilshire Pharmaceuticals
Xenex Laboratories Inc
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 5 drug and cosmetic product listings (FDA).

  • •Erythromycin
  • •ERY-TAB
  • •Erythromycin and Benzoyl Peroxide
  • •erythromycin topical solution 2%
  • •Ery
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$2.58/gApollo Scientific US
CountryUnited Kingdom
Pack$258.00 / 100 g
PurityNot recorded
Vendors17 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

16 more vendors
VendorCountry$/gPackPurity
AK Scientific SpecializedUnited States$4.2025 g95%
AK Scientific, Inc.United States$5.7625 g—
AstaTech, IncUnited States$5.8825 g95%
Cayman EuropeEstonia$7.40100 g98%
Sigma-Aldrich (Rush Stock)Germany$8.28100 g—
Sigma-AldrichGermany$8.28100 g—
Apexbio Technology LLCUnited States$15.205 g98%
MedChemExpress MCESweden$19.7210 g98%
MedKoo Biosciences, IncUnited States$45.0010 g98%
MolnovaChina$50.001 g99%
TargetMol ChemicalsChina → United States$53.001 g99.77%
InterbioscreenHong Kong$129.0010 g95%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%
A2B Chem LLC (2 weeks)United States$179200.0010 mg—
AA BLOCKS (2 weeks)United States$189100.0010 mg—

Chemical Identity

CAS114-07-8
PubChem CID12560
DTXSIDDTXSID4022991
FormulaC37H67NO13
Mol. Weight733.9 g/mol
SMILESCCC1C(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)O)(C)O)C)C)O)(C)O

Data Sources

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Brief citations

Erythromycin (CAS 114-07-8) https://chemicalindependence.com/chemical/114-07-8/ PubChem: 12560. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/12560 FDA National Drug Code directory: CAS 114-07-8. 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/ US Census international trade: HS 294150 for CAS 114-07-8. Reporting year: 2024. https://usatrade.census.gov/