Methylprednisolone

Drug ingredientActive Shortage

CAS 83-43-2

This drug ingredient is in active FDA shortage. At least one manufacturer cannot meet demand.

Molecular structure of 83-43-2
US productionNot reported
Import value, 2024$154M
Top sourceItaly 60%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 293729 · basket

These shares come from HS customs code 293729, which covers 57 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 60%ItalyES 14%SpainCN 11%ChinaDE 6%GermanyAT 2%Austria
34 FDA-registered drug labelers
A-S Medication Solutions
Advanced Rx Pharmacy of Tennessee, LLC
American Health Packaging
Asclemed USA, Inc.
BluePoint Laboratories
Bryant Ranch Prepack
Chartwell RX, LLC
DIRECT RX
Doc Rx
Endo USA, Inc.
Epic Pharma, LLC
EUROAPI FRANCE
HENAN LIHUA PHARMACEUTICAL CO., LTD.
Jubilant Cadista Pharmaceuticals Inc.
Major Pharmaceuticals
Mylan Pharmaceuticals Inc.
NuCare Pharmaceuticals,Inc.
PD-Rx Pharmaceuticals, Inc.
Pharmacia & Upjohn Company LLC
Pharmacia and Upjohn Company LLC
PHOENIX RX LLC
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Proficient Rx LP
Quality Care Products, LLC
REMEDYREPACK INC.
Spectrum Laboratory Products, Inc.
Sportpharm LLC
ST. MARY'S MEDICAL PARK PHARMACY
Symbiotec Pharmalab Limited
Tianjin Tianyao Pharmaceuticals Co., Ltd.
Zhejiang Xianju Pharmaceutical Co., Ltd.
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • •Methylprednisolone
  • •Medrol
FDA Shortage Status
Active Shortage
Shortage History
  • Current shortage

    Methylprednisolone Acetate Injection

    Shortage listed since December 15, 2021

    Manufacturer reports: 2 unavailable, 1 limited, 1 available

See all current drug shortages

Vendor Pricing

$19.92/gA2B Chem LLC
CountryUnited States
Pack$498.00 / 25 g
Purity98%
Vendors18 available

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

Chemical Identity

CAS83-43-2
PubChem CID6741
DTXSIDDTXSID7023300
FormulaC22H30O5
Mol. Weight374.5 g/mol
SMILESCC1CC2C3CCC(C3(CC(C2C4(C1=CC(=O)C=C4)C)O)C)(C(=O)CO)O

Data Sources

Brief citations

Methylprednisolone (CAS 83-43-2) https://chemicalindependence.com/chemical/83-43-2/ PubChem: 6741. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6741 EPA TSCA Inventory: CAS 83-43-2. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA Drug Shortages: CAS 83-43-2. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 293729 for CAS 83-43-2. Reporting year: 2024. https://usatrade.census.gov/