Methanesulfonic acid, 1,1'-anhydride
CAS 7143-01-3
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
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 unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
$0.10/gAaron Chemicals LLC
CountryHong Kong
Pack$1030.00 / 10 kg
Purity98%
Vendors21 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
20 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 |
|---|---|---|---|---|
| AA BLOCKS | United States | $0.11 | 1 kg | 98% |
| A2B Chem LLC | United States | $0.11 | 1 kg | 98% |
| Angene Chemical | China → Hong Kong | $0.14 | 500 g | 98% |
| Angene International Limited | United States | $0.19 | 500 g | 98% |
| Ambeed, Inc. | United States | $0.26 | 500 g | 97% |
| Combi-Blocks, Inc. | United States | $0.28 | 1 kg | 98% |
| AstaTech, Inc | United States | $0.32 | 500 g | 95% |
| Apollo Scientific UK | United Kingdom | $0.35 | 500 g | 98% |
| Fluorochem UK | United Kingdom | $0.38 | 1 kg | 99% |
| AK Scientific Specialized | United States | $0.45 | 500 g | 95% |
| Biopharma PEG Scientific Inc. | United States | $0.50 | 500 g | 90% |
| AK Scientific, Inc. | United States | $0.60 | 500 g | 97% |
| Fluorochem EU | Germany | $1.36 | 25 g | 99% |
| Aldlab | United States | $3.04 | 5 g | 95% |
| ALFA AESAR | Germany | $3.14 | 50 g | 97% |
| Sigma-Aldrich (Rush Stock) | Germany | $4.27 | 25 g | 97% |
| Sigma-Aldrich | Germany | $4.27 | 25 g | 97% |
| Otava, Ltd. | Ukraine | $20.00 | 1 g | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS7143-01-3
PubChem CIDNot recorded
DTXSIDDTXSID70864010
FormulaC2H6O5S2
Mol. Weight174.19 g/mol
SMILESCS(=O)(=O)OS(C)(=O)=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Methanesulfonic acid, 1,1'-anhydride (CAS 7143-01-3) https://chemicalindependence.com/chemical/7143-01-3/ EPA TSCA Inventory: CAS 7143-01-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory