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Prednisone

Drug ingredient

CAS 53-03-2

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

Molecular structure of 53-03-2
US productionNot reported
Import value, 2024$24M
Top sourceChina 67%

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 293721 · narrow

These shares come from HS customs code 293721, which covers 3 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 67%ChinaIN 25%IndiaIT 6%ItalyCA 1%Canada
53 FDA-registered drug labelers
A-S Medication Solutions
Actavis Pharma, Inc.
Advanced Rx of Tennessee, LLC
Advanced Rx Pharmacy of Tennessee, LLC
American Health Packaging
Amneal Pharmaceuticals NY LLC
ANI Pharmaceuticals, Inc.
Aphena Pharma Solutions - Tennessee, LLC
ASCLEMED USA INC.
Atlantic Biologicals Corps
Aurobindo Pharma Limited
Bryant Ranch Prepack
Cambridge Therapeutics Technologies, LLC
Cardinal Health 107, LLC
Chartwell RX, LLC
Coupler LLC
Curia Spain S.A.U
DIRECT RX
Dr. Reddys Laboratories Inc.
Endo USA, Inc.
EUROAPI FRANCE
Golden State Medical Supply, Inc.
Granulation Technology, Inc.
Henan Lihua Pharmaceutical Co Ltd
Hikma Pharmaceuticals USA Inc.
INA Pharmaceutics Inc
INTERSTELLAR PHARMACEUTICALS INC.
Jubilant Cadista Pharmacuticals Inc.
LETCO MEDICAL, LLC
Major Pharmaceuticals
Marlex Pharmaceuticals, Inc.
Medisca Inc.
Medsource Pharmaceuticals
Mylan Pharmaceuticals Inc.
NCS HealthCare of KY, LLC dba Vangard Labs
Northwind Health Company, LLC
NuCare Pharmaceuticals, Inc.
PD-Rx Pharmaceuticals, Inc.
PharmPak, Inc.
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America dba PCCA
Proficient Rx LP
QPharma Inc
Redpharm Drug
REMEDYREPACK INC.
Skyepharma Production SAS
Spectrum Laboratory Products, Inc.
Sportpharm LLC
Sportpharm, Inc. dba Sportpharm
ST. MARY'S MEDICAL PARK PHARMACY
Strides Pharma Science Limited
Tianjin Tianyao Pharmaceuticals Co., Ltd.
Zhejiang Xianju Pharmaceutical Co., Ltd.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 8 drug and cosmetic product listings (FDA).

  • •Prednisone
  • •PredniSONE Tablets, USP, 20 mg
  • •PredniSONE Intensol
  • •PredniSONE Tablets, USP, 10 mg
  • •Prednisone delayed release
  • •PredniSONE Tablets, USP, 5 mg
  • •P- PACK Prednisone 20MG, 7- DAY Tapering DOSE PACK
  • •Prednisone D/P
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$62.50/gMedKoo Biosciences, Inc
CountryUnited States
Pack$1250.00 / 20 g
Purity98%
Vendors5 available

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

4 more vendors
VendorCountry$/gPackPurity
Labotest KGGermany$453.001000 mg90%
MolnovaChina$1560.0050 mg99%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%

Chemical Identity

CAS53-03-2
PubChem CID5865
DTXSIDDTXSID4021185
FormulaC21H26O5
Mol. Weight358.4 g/mol
SMILESCC12CC(=O)C3C(C1CCC2(C(=O)CO)O)CCC4=CC(=O)C=CC34C

Data Sources

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Brief citations

Prednisone (CAS 53-03-2) https://chemicalindependence.com/chemical/53-03-2/ PubChem: 5865. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5865 EPA TSCA Inventory: CAS 53-03-2. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293721 for CAS 53-03-2. Reporting year: 2024. https://usatrade.census.gov/