Esomeprazole magnesium
Drug ingredientCAS 161973-10-0
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.
80 FDA-registered drug labelers
A-S Medication Solutions
Advanced Rx of Tennessee, LLC
Advanced Rx Pharmacy of Tennessee, LLC
Ajanta Pharma USA Inc.
Allegiant Health
Ascend Laboratories, LLC
Asclemed USA, Inc.
Aurobindo Pharma Limited
Aurohealth LLC
AURORE PHARMACEUTICALS PRIVATE LIMITED
AvPAK
BETTER LIVING BRANDS LLC.
Biocon Pharma Inc.,
Bryant Ranch Prepack
Camber Consumer Care Inc
Camber Pharmaceuticals, Inc.
CARDINAL HEALTH
Catalent Pharma Solutions, LLC
CHAIN DRUG MARKETING ASSOCIATION INC
Chromo Laboratories India Private Limited
Cipla Ltd.
Cipla USA Inc.
CVS
CVS Pharmacy
Direct Rx
DISCOUNT DRUG MART, INC.
Dr. Reddy's Laboratories Inc
Dr. Reddy's Laboratories Limited
Glenmark Pharmaceuticals Inc., USA
GLENMARK THERAPEUTICS INC., USA
Golden State Medical Supply, Inc.
Granules Pharmaceuticals Inc.
Guardian Drug Company
H E B
Haleon US Holdings LLC
HARRIS TEETER
Hetero Drugs Limited
Jubilant Biosys limited
KALINTIS HEALTHCARE PRIVATE LIMITED
KROGER COMPANY
Lannett Company, Inc.
LITTLE PHARMA, INC.
MARKSANS PHARMA LIMITED
Matrix Pharmacorp Private Limited
Medsource Pharmaceuticals
Metrochem API Private Limited
MSN Life Sciences Private Limited
Mylan Pharmaceuticals Inc.
NorthStar Rx LLC
NuCare Pharmaceuticals, Inc.
Ohm Laboratories Inc.
OPMX LLC
P & L Development, LLC
Patheon Pharmaceuticals Inc.
PD-Rx Pharmaceuticals, Inc.
PHOENIX RX LLC
Proficient Rx LP
Quallent Pharmaceuticals Health LLC
Reliable 1 Laboratories LLC
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Safeway, Inc.
ScieGen Pharmaceuticals, Inc
Shouguang Fukang Pharmaceutical Co., Ltd.
Smilax Laboratories Limited
Somerset Therapeutics, LLC
Srini Pharmaceuticals Private Limited
SUN PHARMACEUTICAL INDUSTRIES, INC.
The Kroger Co.
THE KROGER COMPANY
TIME CAP LABORATORIES, INC.
Torrent Pharmaceuticals Limited
Uquifa Spain
VALU MERCHANDISERS COMPANY
Vasudha Pharma Chem Limited
WALGREENS
WALGREENS COMPANY
Walmart Inc.
YYBA CORP
Zhejiang Yongtai Pharmaceutical Co., Ltd
Why It Matters
Sectors
Health
Downstream Uses
Appears in 13 drug and cosmetic product listings (FDA).
- •Esomeprazole magnesium
- •Naproxen and esomeprazole magnesium
- •Esomeprazole Magnesium Delayed-Release Capsules, 20 mg
- •Esomeprazole Magnesium Delayed Release
- •Esomeprazole Magnesium for delayed-release oral suspension
- •Esomeprazole
- •Acid Reducer
- •Esomeprazole Magnesium Delayed-Release 20 mg mini
Show all 13
- •Nexium 24HR
- •Riopan
- •Nexium 24HR ClearMinis
- •Esomeprazole Magnesium DR
- •Esomeprazole DR
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
$6.16/gAaron Chemicals LLC
CountryHong Kong
Pack$154.00 / 25 g
Purity95%
Vendors4 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
3 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 |
|---|---|---|---|---|
| A2B Chem LLC (1 week) | United States | $639.00 | 1 g | — |
| AA BLOCKS (1 week) | United States | $675.00 | 1 g | — |
| Apexbio Technology LLC | United States | $1100.00 | 50 mg | 98% |
Chemical Identity
CAS161973-10-0
PubChem CID9568613
DTXSIDDTXSID5044231
FormulaC34H36MgN6O6S2
Mol. Weight713.1 g/mol
SMILESCC1=CN=C(C(=C1OC)C)CS(=O)C2=NC3=C([N-]2)C=CC(=C3)OC.CC1=CN=C(C(=C1OC)C)CS(=O)C2=NC3=C([N-]2)C=CC(=C3)OC.[Mg+2]
Data Sources
- PubChem · compound 9568613Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
Esomeprazole magnesium (CAS 161973-10-0) https://chemicalindependence.com/chemical/161973-10-0/ PubChem: 9568613. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9568613 FDA National Drug Code directory: CAS 161973-10-0. 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/