Carboxylesterase
CAS 9016-18-6
EPA exempts this chemical from its 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 350790 · basket
These shares come from HS customs code 350790, which covers 104 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Norway
- Singapore
- Chile
- Indonesia
- Taiwan
- Sweden
- South Korea
- Poland
- Brazil
- Turkey
- Hong Kong
- Czech Republic
- Argentina
- Australia
- New Zealand
- Belize
- Colombia
- Greece
- United Arab Emirates
- Estonia
- Costa Rica
- Portugal
- Hungary
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.
24 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 | $1.56 | 100 g | 97% |
| Combi-Blocks, Inc. | United States | $1.68 | 500 g | 97% |
| Manchester Organics | United Kingdom | $2.12 | 10 g | 98% |
| A2B Chem LLC | United States | $2.91 | 100 g | 97% |
| AK Scientific Specialized | United States | $3.20 | 100 g | 95% |
| AA BLOCKS | United States | $3.58 | 100 g | 98% |
| AK Scientific, Inc. | United States | $4.29 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $6.49 | 100 g | 95% |
| TargetMol Chemicals | China → United States | $56.00 | 1 g | 99.94% |
| Apexbio Technology LLC | United States | $80.00 | 1 g | 99.96% |
| MedChemExpress MCE | Sweden | $87.12 | 1 g | 99.95% |
| MedKoo Biosciences, Inc | United States | $130.00 | 5 g | 98% |
| ChemNorm | China | $150.00 | 100 mg | 98% |
| Cayman Europe | Estonia | $247.52 | 500 mg | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $283.84 | 250 mg | — |
| Sigma-Aldrich | Germany | $283.84 | 250 mg | — |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Otava, Ltd. | Ukraine | $460.00 | 250 mg | 95% |
| Molnova | China | $900.00 | 50 mg | 99% |
| ChemFaces | China | $1500.00 | 20 mg | 98% |
| Angene International Limited | United States | $1630.00 | 100 mg | 98% |
| Maybridge, Ltd. | United Kingdom | $2414.30 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
| AnalytiCon Discovery - a Division of BRAIN Biotech AG | Germany | $73652.70 | 100 mg | 85% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Carboxylesterase (CAS 9016-18-6) https://chemicalindependence.com/chemical/9016-18-6/ EPA TSCA Inventory: CAS 9016-18-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 350790 for CAS 9016-18-6. Reporting year: 2024. https://usatrade.census.gov/