N-omega-Nitro-L-arginine
CAS 2149-70-4
L-Ornithine, N5-[imino(nitroamino)methyl]-
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
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 292529 · basket
These shares come from HS customs code 292529, which covers 64 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Switzerland
- Canada
- United Kingdom
- Austria
- Brazil
- Israel
- Australia
- Hungary
- Serbia
- Denmark
- Malaysia
- Poland
- Hong Kong
- Ukraine
- Singapore
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
28 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 | $0.22 | 100 g | 98% |
| AA BLOCKS | United States | $0.23 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $0.24 | 400 g | 98% |
| Ambeed, Inc. | United States | $0.29 | 100 g | 98% |
| Fluorochem UK | United Kingdom | $0.37 | 100 g | 95% |
| Combi-Blocks, Inc. | United States | $0.42 | 500 g | 98% |
| AK Scientific, Inc. | United States | $0.46 | 100 g | 98% |
| MedChemExpress MCE | Sweden | $0.80 | 100 g | 99.78% |
| Angene International Limited | United States | $1.06 | 100 g | 98% |
| AK Scientific Specialized | United States | $1.44 | 100 g | 95% |
| Acrotein ChemBio, Inc. | United States | $1.58 | 250 g | — |
| AstaTech, Inc | United States | $2.32 | 25 g | 95% |
| IRIS Biotech Gmbh | Germany | $2.40 | 100 g | — |
| Synthonix | United States | $2.80 | 10 g | 98% |
| AstaTech (2 weeks) | United States | $4.74 | 100 g | 97% |
| Sigma-Aldrich (Rush Stock) | Germany | $15.28 | 25 g | 98% |
| Sigma-Aldrich | Germany | $15.28 | 25 g | 98% |
| MedKoo Biosciences, Inc | United States | $22.00 | 25 g | 98% |
| TargetMol Chemicals US | United States | $58.00 | 500 mg | 99.81% |
| Molnova | China | $130.00 | 200 mg | 99% |
| CliniSciences GmbH | Switzerland | $387.00 | 100 mg | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Eximed | Ukraine | $2680.00 | 50 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 95% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| ChemDiv, Inc. | United States | $5414.29 | 70 mg | 90% |
| Otava, Ltd. | Ukraine | $6590.00 | 10 mg | 95% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
N-omega-Nitro-L-arginine (CAS 2149-70-4) https://chemicalindependence.com/chemical/2149-70-4/ EPA TSCA Inventory: CAS 2149-70-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292529 for CAS 2149-70-4. Reporting year: 2024. https://usatrade.census.gov/