Piroxicam

Drug ingredient

CAS 36322-90-4

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

Molecular structure of 36322-90-4
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
21 FDA-registered drug labelers
Arch Pharmalabs Limited
AvKARE
Bryant Ranch Prepack
Dipharma Francis Srl
Direct_Rx
Kalchem International inc
LETCO MEDICAL, LLC
Medisca Inc.
Micro Labs Limited
Nantong Jinghua Pharmaceutical Co., Ltd.
Olon SpA
PD-Rx Pharmaceuticals, Inc.
Pfizer Ireland Pharmaceuticals Unlimited Company
Professional Compounding Centers of America
Professional Compounding Centers of America dba PCCA
Proficient Rx LP
Strides Pharma Science Limited
Teva Pharmaceuticals USA, Inc.
Unichem Laboratories Limited, India
Unichem Pharmaceuticals (USA), Inc.
Xenex Laboratories Inc

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Piroxicam
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.29/gAaron Chemicals LLC
CountryHong Kong
Pack$147.00 / 500 g
Purity98%
Vendors28 available

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

Chemical Identity

CAS36322-90-4
PubChem CID54676228
DTXSIDDTXSID5021170
FormulaC15H13N3O4S
Mol. Weight331.3 g/mol
SMILESCN1C(=C(C2=CC=CC=C2S1(=O)=O)O)C(=O)NC3=CC=CC=N3

Data Sources

Brief citations

Piroxicam (CAS 36322-90-4) https://chemicalindependence.com/chemical/36322-90-4/ PubChem: 54676228. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/54676228 FDA National Drug Code directory: CAS 36322-90-4. 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/ US Census international trade: HS 293499 for CAS 36322-90-4. Reporting year: 2024. https://usatrade.census.gov/