Bisoctrizole

Drug ingredient

CAS 103597-45-1

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$1.4B

Top sourceIreland 33%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293399 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293399, which covers 518 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).

IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy

Taiwan
Poland
Canada
Ivory Coast
Greece
Hungary
Indonesia
Latvia
Belgium
Slovakia
Czech Republic
Austria
Netherlands
Finland
Denmark
Croatia
Australia
South Africa
Sweden
Hong Kong
Malta
Singapore
Lithuania
Malaysia
Oman
Serbia

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Amfine Chemical

Mitsubishi International Polymertrade

EPA-registered importers (5)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Basf Se · DE Germany

Songwon Industrial · KR South Korea

Basf

Covestro

Songwon

1 FDA-registered drug labeler

MERCYCO Co., Ltd.

Why It Matters

Sectors

HealthPlastics & RubberCore Chemicals

Downstream Uses

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

•Calming Days Vegan Sunscreen

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

Industrial Uses

Used in 3 sectors as 2 functional roles.

•UV stabilizer in All Other Chemical Product and Preparation Manufacturing (100%)Processing—repackaging
•UV stabilizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Stabilizing agent in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into article
•UV stabilizer in Plastics Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.48/gCombi-Blocks, Inc.

CountryUnited States

Pack$240.00 / 500 g

Purity98%

Vendors9 available

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

8 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich (Rush Stock)	Germany	$4.65	25 g	99%
Sigma-Aldrich	Germany	$4.65	25 g	99%
MedKoo Biosciences, Inc	United States	$18.00	25 g	98%
TargetMol Chemicals	China → United States	$85.00	1 g	99.69%
MedChemExpress MCE	Sweden	$130.68	1 g	98%
Labotest KG	Germany	$217.80	5000 mg	90%
Molnova	China	$224.00	500 mg	99%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	98%

Chemical Identity

CAS103597-45-1

PubChem CID3571576

DTXSIDDTXSID2046703

FormulaC41H50N6O2

Mol. Weight658.9 g/mol

SMILESCC(C)(C)CC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC=CC3=N2)O)CC4=C(C(=CC(=C4)C(C)(C)CC(C)(C)C)N5N=C6C=CC=CC6=N5)O

Data Sources

EPA CompTox (DSSTox) · DTXSID2046703Retrieved 2026-04-06
PubChem · compound 3571576Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Bisoctrizole (CAS 103597-45-1) https://chemicalindependence.com/chemical/103597-45-1/ EPA CompTox (DSSTox): DTXSID2046703. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2046703 PubChem: 3571576. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/3571576 EPA Chemical Data Reporting: 103597-45-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 103597-45-1. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293399 for CAS 103597-45-1. Reporting year: 2024. https://usatrade.census.gov/