Isovaleric acid
CAS 503-74-2
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction 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 291560 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Zero
These shares come from HS customs code 291560, which covers 183 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Ireland
- South Korea
- United Arab Emirates
- Russia
- Ukraine
- Israel
- Brazil
- Canada
Why It Matters
Industrial Uses
- •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
22 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 | $0.03 | 500 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.04 | 20 kg | 99% |
| Sigma-Aldrich | Germany | $0.04 | 20 kg | 99% |
| A2B Chem LLC | United States | $0.06 | 500 g | 98% |
| AA BLOCKS | United States | $0.06 | 500 g | 98% |
| Ambeed, Inc. | United States | $0.08 | 500 g | 98% |
| AK Scientific, Inc. | United States | $0.38 | 100 g | 99% |
| AstaTech, Inc | United States | $0.99 | 100 g | 95% |
| Angene International Limited | United States | $1.24 | 25 g | 98% |
| Interbioscreen | Hong Kong | $10.00 | 10 g | 95% |
| MedChemExpress MCE | Sweden | $36.30 | 5 g | 99.98% |
| MedKoo Biosciences, Inc | United States | $50.00 | 5 g | 98% |
| TargetMol Chemicals | China → United States | $73.00 | 1 g | 98% |
| HTS Biochemie Innovationen | Germany | $120.00 | 10 g | 95% |
| TargetMol Chemicals US | United States | $290.00 | 100 mg | 98% |
| Molnova | China | $370.00 | 100 mg | 99% |
| Otava, Ltd. | Ukraine | $460.00 | 250 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 95% |
| Asinex | Netherlands | $8651.50 | 100 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID5029182Retrieved 2026-04-06
- PubChem · compound 10430Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Isovaleric acid (CAS 503-74-2) https://chemicalindependence.com/chemical/503-74-2/ EPA CompTox (DSSTox): DTXSID5029182. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5029182 PubChem: 10430. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/10430 EPA Chemical Data Reporting: 503-74-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 503-74-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291560 for CAS 503-74-2. Reporting year: 2024. https://usatrade.census.gov/