diclofenac potassium

Drug ingredient

CAS 15307-81-0

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

Molecular structure of 15307-81-0
1 K⁺
US productionNot reported
Import value, 2024$503M
Top sourceChina 25%

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 292249 · basket

These shares come from HS customs code 292249, which covers 170 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 25%ChinaIN 17%IndiaSG 13%SingaporeIT 9%ItalyCH 7%Switzerland
52 FDA-registered drug labelers
A-S Medication Solutions
Advagen Pharma Ltd
Advanced Rx of Tennessee, LLC
Amici Pharma Inc.
Amoli Organics (A Division of Umedica Laboratories Pvt.Ltd.)
Archis Pharma LLC
Ascend Laboratories, LLC
Assertio Therapeutics, Inc.
Aurobindo Pharma Limited
AvKARE
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Carwin Pharmaceutical Associates, LLC
Catalent Ontario Limited
Chartwell RX, LLC
Cheng Fong Chemical Co., Ltd.
Cintex Services, LLC
Coupler LLC
Dipharma Francis Srl
Doc Rx
Endo USA, Inc.
Golden State Medical Supply, Inc.
Happy Robin, LLC
Havix Group Inc d-b-a Aavis Pharmaceuticals
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
INA Pharmaceutics Inc
Ingenus Pharmaceuticals, LLC
Leading Pharma, LLC
Lifsa Drugs LLC
Marlex Pharmaceuticals, Inc.
NIVAGEN PHARMACEUTICALS, INC.
Northwind Health Company, LLC
NuCare Pharmaceuticals, Inc.
Olon SpA
Patheon Softgels Inc.
PD-Rx Pharmaceuticals, Inc.
PHOENIX RX LLC
Preferred Pharmaceuticals Inc.
Proficient Rx LP
Quality Care Products, LLC
REMEDYREPACK INC.
SOLA Pharmaceuticals, LLC
Strides Pharma Science Limited
Taro Pharmaceuticals U.S.A., Inc.
Teva Pharmaceuticals USA, Inc.
TEVA PHARMACEUTICALS, INC.
Torrent Pharmaceuticals Limited
Trifluent Pharma LLC
Umedica Laboratories USA Inc.
Unique Chemicals
YUNG ZIP CHEMICAL INDUSTRIAL CO., LTD.
Zydus Pharmaceuticals (USA) Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 4 drug and cosmetic product listings (FDA).

  • •Diclofenac Potassium
  • •Lofena
  • •Zipsor
  • •Cambia
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$7.50/gCombi-Blocks, Inc.
CountryUnited States
Pack$750.00 / 100 g
Purity98%
Vendors9 available

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

Chemical Identity

CAS15307-81-0
PubChem CID23667642
DTXSIDDTXSID30165212
FormulaC14H10Cl2KNO2
Mol. Weight334.2 g/mol
SMILESC1=CC=C(C(=C1)CC(=O)[O-])NC2=C(C=CC=C2Cl)Cl.[K+]

Data Sources

Brief citations

diclofenac potassium (CAS 15307-81-0) https://chemicalindependence.com/chemical/15307-81-0/ PubChem: 23667642. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23667642 FDA National Drug Code directory: CAS 15307-81-0. 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/ US Census international trade: HS 292249 for CAS 15307-81-0. Reporting year: 2024. https://usatrade.census.gov/