Phenazopyridine hydrochloride
Drug ingredientCAS 136-40-3
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownProduction 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 293339 · basket
These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2024).
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland
- Taiwan
- Ukraine
- Sweden
- Argentina
- Canada
- Finland
- Malta
- Israel
- Netherlands
- Denmark
- United Arab Emirates
- Mexico
- Brunei
- Slovakia
- Australia
- South Africa
- Poland
- Latvia
- Lithuania
- Estonia
- Slovenia
- Czech Republic
- Croatia
- Hong Kong
57 FDA-registered drug labelers
A-S Medication Solutions
Advanced Rx LLC
AmerisourceBergen Drug Corp
Amneal Pharmaceuticals LLC
AMOL PHARMACEUTICALS PRIVATE LIMITED
Bonafide Health, LLC dba Uqora
Bryant Ranch Prepack
Cardinal Health
Chain Drug Consortium, LLC
Chain Drug Marketing Association
Chartwell RX, LLC
Clarion Brands, LLC
Contract Pharmacal Corp.
CVS PHARMACY INC
Direct Rx
Discount Drug Mart, Inc
Dolgencorp, Inc.
Family Dollar Services Inc
Get Stix Inc.
GPT Pharmaceuticals Private Ltd
Harris T eeter, LLC
i-Health, Inc.
Insight Pharmaceuticals LLC
IXXA, INC
Kobayashi Healthcare International, Inc.
KROGER COMPANY
Medtech Products Inc.
Meijer Distribution Inc.
Northwind Health Company, LLC
NuCare Pharmaceuticals,Inc.
PD-Rx Pharmaceuticals, Inc.
Preferred Pharmaceuticals Inc
Proficient Rx LP
Redpharm Drug
Reese Pharmaceutical Co
REMEDYREPACK INC.
Retail Business Services , LLC.
Rising Pharma Holdings, Inc.
Rite Aid
Rugby Laboratories
Safeway
Skopko
Strategic Sourcing Services LLC
Strive Pharmaceuticals Inc.
TARGET CORPORATION
TCB USA Corporation
THE KROGER CO
TOPCO ASSOCIATES LLC
VALENS MOLECULES PRIVATE LIMITED
VERITYRX, LLC
Walgreens
Walgreens Co.
Walmart
Westminster Pharmaceuticals, LLC
Winder Laboratories, LLC
Xenex Laboratories Inc
YYBA CORP
Why It Matters
Sectors
Health
Downstream Uses
Appears in 55 drug and cosmetic product listings (FDA).
- •Uqora Maximum UTI Pain Relief
- •Phenazopyridine Hydrochloride
- •Preferred Maximum Strength Urinary Pain Relief
- •Kroger Urinary Pain Relief
- •Uristat Ultra
- •Phenazopyridine HCL
- •Maximum Strength Urinary Pain Relief
- •Cheeky Bonsai UTI Pain Relief
Show all 55
- •CVS Health Urinary Pain Relief
- •Rite Aid Urinary Pain Relief
- •Sunmark Urinary Pain Relief
- •Wallgreens Maximum Strength Urinary Pain Relief
- •Leader Maximum Strength Urinary Pain Relief
- •Rugby Phenazopyridine HCl Urinary Tract Analgesic
- •Stix Maximum Strength Urinary Pain Relief
- •Quality Choice Urinary Pain Relief
- •Vexia Maximum Strength Urinary Pain Relief
- •Signature Care Maximum Strength Urinary Pain Relief
- •Kroger Maximum Strength Urinary Pain Relief
- •TopCare Maximum Strength Urinary Pain Relief
- •Uricalm Maximum Strength
- •Pyridium
- •Discount Drugmart Maximum Strength Urinary Pain Relief
- •HealthMart Urinary Pain Relief
- •HealthMart Maximum Strength Urinary Pain Relief
- •Cystex Max UTI Pain Relief
- •Sunmark Maximum Strength Urinary Pain Relief
- •Walgreens Urinary Pain Relief
- •Good Neighbor Pharmacy Urinary Pain Relief
- •Foster and Thrive Maximum Strength Urinary Pain Relief
- •Meijer Maximum Strength Urinary Pain Relief
- •URO-PAIN Maximum Strength
- •Harris Teeter Maximum Strength Urinary Pain Relief
- •Care One Maximum Strength Urinary Pain Relief
- •Urinary Pain Relief
- •Quality Choice Maximum Strength Urinary Pain Relief
- •Good Neighbor Maximum Strength Urinary Pain Relief
- •Family Dollar Maximum Strength Urinary Pain Relief
- •Premier Value Maximum Strength Urinary Pain Relief
- •CVS Maximum Strength Urinary Pain Relief
- •Foster and Thrive Neighbor Pharmacy Urinary Pain Relief
- •Preferred Urinary Pain Relief
- •TopCare Urinary Pain Relief
- •Skopko Urinary Pain Relief
- •Walmart Maximum Strength Urinary Pain Relief
- •AZO
- •Leader Urinary Pain Relief
- •Right Remedies Maximum Strength Urinary Pain Relief
- •Rite Aid Maximum Strength Urinary Pain Relief
- •AZO Urinary Pain Relief Maximum Strength
- •Dollar General Maximum Strength Urinary Pain Relief
- •URO-PAIN
- •Monistat Maintain
- •Walgreens Maximum Strength Urinary Pain Relief
- •GOOD Remedies Maximum Strength Urinary Pain Relief Caplet
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 FDA shortage records
Vendor Pricing
$0.21/gAA BLOCKS
CountryUnited States
Pack$2085.00 / 10 kg
Purity98%
Vendors6 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
5 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 |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $1.64 | 25 g | 98% |
| AstaTech, Inc | United States | $4.28 | 25 g | 95% |
| MedKoo Biosciences, Inc | United States | $17.00 | 50 g | 98% |
| Molnova | China | $295.00 | 200 mg | 99% |
| Apexbio Technology LLC | United States | $1000.00 | 50 mg | 99.8% |
Chemical Identity
CAS136-40-3
PubChem CID8691
DTXSIDDTXSID1021118
FormulaC11H12ClN5
Mol. Weight249.7 g/mol
SMILESC1=CC=C(C=C1)N=NC2=C(N=C(C=C2)N)N.Cl
Data Sources
- PubChem · compound 8691Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Phenazopyridine hydrochloride (CAS 136-40-3) https://chemicalindependence.com/chemical/136-40-3/ PubChem: 8691. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/8691 FDA National Drug Code directory: CAS 136-40-3. 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 293339 for CAS 136-40-3. Reporting year: 2024. https://usatrade.census.gov/