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Home/Compounds/CAS 7143-01-3
Formula C2H6O5S2MW 174.2Research-use catalog entryCOA/SDS by request

Methanesulfonic anhydride

CAS Number: 7143-01-3

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Loading RDKit molecule structure...
InChIKey: IZDROVVXIHRYMH-UHFFFAOYSA-NC2H6O5S2 | MW 174.2

Chemical Absolute Identifiers

CAS Number

7143-01-3

PubChem CID

81560

Molecular Formula

C2H6O5S2

Molecular Weight

174.2 g/mol

Exact Mass

173.965666

InChIKey

IZDROVVXIHRYMH-UHFFFAOYSA-N

IUPAC Name

methylsulfonyl methanesulfonate

SMILES String

CS(=O)(=O)OS(=O)(=O)C

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Methanesulfonic anhydride (CAS 7143-01-3) is listed in the Advanced Chemicals portfolio, with molecular formula C2H6O5S2 and molecular weight 174. 20 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Organic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.

Disposal

  • Dispose of remaining and non-recyclable solutions to a licensed company.
  • Contact a professional organization with a waste disposal license to handle this substance.
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Accidental Release

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  • Avoid dust generation.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Methanesulfonic anhydride

Names & Synonyms

Methanesulphonic anhydridemethanesulfonyl methanesulfonateMethanesulfonic acid, 1,1'-anhydrideMethanesulfonic acid, anhydrideMesyl anhydride
Show all synonyms
Mesic anhydridemethanesulfonicanhydridemethylsulfonic anhydridemethane sulfonic acid anhydrideMETHANE SULFONIC ANHYDRIDEMs2Omethansulfonic anhydridedi-methanesulfonyl ethermethyl sulfonic anhydrideMethane-sulfonic anhydridemethane sulphonic anhydride(MeSO2)2Omethansulfonic acid anhydridemethylsulfonic acid anhydride
External Identifiers
EC NUMBER: 230-442-1DSSTOX SUBSTANCE ID: DTXSID70864010UNII: J492U7J4PBWIKIDATA ID: Q2849892
Experimental Spectrum References
13C NMR Spectra1H NMR SpectraATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR Spectra

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

Isopropyl methanesulfonateCAS 926-06-7
Diethylene Glycol DimethanesulfonateCAS 34604-52-9
2-Methoxyethyl methanesulfonateCAS 16427-44-4
S-Methyl methanethiosulfonateCAS 2949-92-0
2,2,2-Trifluoroethyl MethanesulfonateCAS 25236-64-0

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 926-06-7Isopropyl methanesulfonateCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 7143-01-3

What are the key identifiers for Methanesulfonic anhydride (CAS 7143-01-3)?

Methanesulfonic anhydride is identified by CAS 7143-01-3, with molecular formula C2H6O5S2, molecular weight 174.2, InChIKey IZDROVVXIHRYMH-UHFFFAOYSA-N.

Can I request a COA for CAS 7143-01-3?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Methanesulfonic anhydride?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 7143-01-3 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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