oxybutynin chloride
Drug ingredientCAS 1508-65-2
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.
48 FDA-registered drug labelers
A-S Medication Solutions
Accord Healthcare, Inc.
Advagen Pharma Limited
Ajanta Pharma USA Inc.
American Health Packaging
Amneal Pharmaceuticals LLC
ANI Pharmaceuticals, Inc.
Aphena Pharma Solutions - Tennessee, LLC
ATLANTIC BIOLOGICALS CORP.
Aurobindo Pharma Limited
AvKARE
AvPAK
Bryant Ranch Prepack
Cardinal Health 107, LLC
Chartwell Governmental & Specialty RX, LLC.
Chartwell RX, LLC
CORDEN PHARMA CHENOVE
Coupler LLC
DIRECT RX
Golden State Medical Supply, Inc.
Harman Finochem Limited
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
KVK-Tech, Inc.
Lannett Company, Inc.
Leading Pharma, LLC
Major Pharmaceuticals
Medisca Inc.
NCS HealthCare of KY, LLC dba Vangard Labs
Northwind Health Company, LLC
NuCare Pharmaceuticals,Inc.
PCAS
PD-Rx Pharmaceuticals, Inc.
Piramal Pharma Limited
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America dba PCCA
Proficient Rx LP
Redpharm Drug
REMEDYREPACK INC.
RISING PHARMA HOLDINGS, INC.
Siegfried Evionnaz SA
Strides Pharma Science Limited
Teva Pharmaceuticals USA, Inc.
THINQ Pharma-CRO Limited
TruPharma LLC
Upsher-Smith Laboratories, LLC
VERITYRX, LLC
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Oxybutynin Chloride
- •oxybutynin
- •Oxybutynin Chloride Extended Release
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 Shortage
Shortage History
Rows group FDA shortage filings by drug product. Each manufacturer makes its own FDA shortage filing, so one product can carry several reports at once: Available, Limited Availability, Unavailable or to be discontinued.
- to be discontinued
Oxybutynin Chloride Tablet
Shortage listed since May 14, 2025
Vendor Pricing
$12.60/gAaron Chemicals LLC
CountryHong Kong
Pack$63.00 / 5 g
Purity97%
Vendors28 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
27 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $13.80 | 5 g | 97% |
| Combi-Blocks, Inc. | United States | $14.20 | 25 g | 98% |
| A2B Chem LLC | United States | $15.20 | 25 g | 99% |
| BLD Pharmatech Co., Limited | United States | $16.64 | 25 g | 99% |
| Ambeed, Inc. | United States | $16.64 | 25 g | 99% |
| AA BLOCKS | United States | $18.76 | 25 g | 99% |
| AK Scientific, Inc. | United States | $21.16 | 25 g | 98% |
| BLD Pharmatech Ltd. | China | $23.80 | 5 g | 99% |
| Angene International Limited | United States | $33.88 | 25 g | 98% |
| AstaTech, Inc | United States | $38.60 | 5 g | 95% |
| Cayman Europe | Estonia | $45.27 | 25 g | 98% |
| MedChemExpress MCE | Sweden | $50.09 | 5 g | 98.49% |
| TargetMol Chemicals | China → United States | $85.00 | 1 g | 99.99% |
| BLD Pharmatech GmbH | Germany | $96.00 | 250 mg | 99% |
| Sigma-Aldrich (Rush Stock) | Germany | $113.57 | 5 g | 98% |
| Sigma-Aldrich | Germany | $113.57 | 5 g | 98% |
| Fulfilled by Molport | Latvia | $120.00 | 50 mg | 97% |
| MedKoo Biosciences, Inc | United States | $125.00 | 10 g | 98% |
| Molnova | China | $174.00 | 500 mg | 99% |
| TargetMol Chemicals EU | Austria | $290.00 | 100 mg | 99.99% |
| AK Scientific Specialized | United States | $306.00 | 500 mg | 98% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Apexbio Technology LLC | United States | $550.00 | 100 mg | 99.79% |
| Axon Medchem | Netherlands | $1200.00 | 50 mg | 100% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 95% |
| A2B Chem LLC (1 week) | United States | $17800.00 | 50 mg | 98% |
Chemical Identity
CAS1508-65-2
PubChem CID91505
DTXSIDDTXSID3045356
FormulaC22H32ClNO3
Mol. Weight393.9 g/mol
SMILESCCN(CC)CC#CCOC(=O)C(C1CCCCC1)(C2=CC=CC=C2)O.Cl
Data Sources
- PubChem · compound 91505Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA Drug ShortagesRetrieved 2026-10-04
Brief citations
oxybutynin chloride (CAS 1508-65-2) https://chemicalindependence.com/chemical/1508-65-2/ PubChem: 91505. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/91505 FDA National Drug Code directory: CAS 1508-65-2. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 1508-65-2. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/