Azithromycin monohydrate

Drug ingredient

CAS 121470-24-4

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

Molecular structure of 121470-24-4
1 H₂O
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.

29 FDA-registered drug labelers
A-S Medication Solutions
Advanced Rx Pharmacy of Tennessee, LLC
Alembic Pharmaceuticals Limited
ASCLEMED USA INC.
Athenex Pharmaceutical Division, LLC.
AvKARE
Calyx Chemicals & Pharmaceuticals
Chartwell RX, LLC
DirectRx
Epic Pharma, LLC
Eugia US LLC
Fresenius Kabi USA, LLC
Gland Pharma Limited
Hospira, Inc.
Jubilant Biosys limited
NuCare Pharmaceuticals, Inc.
PharmPak, Inc.
Preferred Pharmaceuticals Inc.
Proficient Rx LP
PURACAP LABORATORIES LLC DBA BLU PHARMACEUTICALS
REMEDYREPACK INC.
Sagent Pharmaceuticals
Sportpharm LLC
Sportpharm, Inc. dba Sportpharm
STATE HEALTH SERVICES, TEXAS DEPARTMENT OF
Sun Pharmaceutical Industries Limited
Sun Pharmaceutical Industries, Inc.
Teva Pharmaceuticals USA, Inc.
Thea Pharma Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

  • •Azithromycin
  • •Azasite
  • •Azithromycin monohydrate
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS121470-24-4
PubChem CID9897015
DTXSIDDTXSID10861063
FormulaC38H74N2O13
Mol. Weight767 g/mol
SMILESCCC1C(C(C(N(CC(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)C)O)(C)O.O

Data Sources

Brief citations

Azithromycin monohydrate (CAS 121470-24-4) https://chemicalindependence.com/chemical/121470-24-4/ PubChem: 9897015. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9897015 FDA National Drug Code directory: CAS 121470-24-4. 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/