Norspermidine
CAS 56-18-8
EPA’s 2023 records show zero U.S. production of this chemical.
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. 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 292129 · basket
- 2023
- US production Zero · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 292129, which covers 69 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Arab Emirates
- Czech Republic
- Mexico
- Malaysia
- South Korea
- Turkey
- Norway
- Australia
- Ukraine
- Russia
- Spain
- Latvia
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.
8 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 |
|---|---|---|---|---|
| Sigma-Aldrich | Germany | $0.17 | 500 g | 98% |
| AK Scientific Specialized | United States | $0.52 | 100 g | 95% |
| AK Scientific, Inc. | United States | $0.55 | 500 g | 99% |
| MedKoo Biosciences, Inc | United States | $0.83 | 500 g | 98% |
| A2B Chem LLC | United States | $1.20 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $1.20 | 100 g | 98% |
| AA BLOCKS | United States | $1.36 | 25 g | 99% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID0025440Retrieved 2026-04-06
- PubChem · compound 5942Retrieved 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
Norspermidine (CAS 56-18-8) https://chemicalindependence.com/chemical/56-18-8/ EPA CompTox (DSSTox): DTXSID0025440. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0025440 PubChem: 5942. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5942 EPA Chemical Data Reporting: 56-18-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 56-18-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292129 for CAS 56-18-8. Reporting year: 2024. https://usatrade.census.gov/