MolGraph
CompoundsDocumentationComplianceAbout
MolGraph

Research chemical sourcing and molecular building block RFQ workflows.

MolGraph is operated by Tessorix Inc.

support@molgraph.com

Products are intended for laboratory research use only and are not for human or veterinary use.

Compounds

  • Compound catalog
  • CAS Search

Company

  • About
  • Contact

Documentation

  • Quality Documentation
  • SDS Disclaimer

Compliance

  • Compliance

Legal

  • Terms
  • Privacy

Copyright © 2026 MolGraph. All Rights Reserved.

Home/Compounds/CAS 33963-58-5
Formula C8H8O3SMW 184.21Research-use catalog entryCOA/SDS by request

4-Methanesulfinylbenzoic acid

CAS Number: 33963-58-5

Sourcing & RFQ

Submit an RFQ to review pricing, availability, lead time, pack size, purity, COA, and supplier SDS for this catalog entry.

Available options

Available Options

Package
1 g
Purity
95%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
100 mg
Purity
95%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
250 mg
Purity
95%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
5 g
Purity
95%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required

Shipping review is required before pricing or stock can be confirmed publicly. Shipping, duties, and documentation fees are confirmed before order acceptance.

Loading RDKit molecule structure...
InChIKey: DTKRTQFUPNGBLZ-UHFFFAOYSA-NC8H8O3S | MW 184.21

Chemical Absolute Identifiers

CAS Number

33963-58-5

PubChem CID

4961892

Molecular Formula

C8H8O3S

Molecular Weight

184.21 g/mol

Exact Mass

184.019415

InChIKey

DTKRTQFUPNGBLZ-UHFFFAOYSA-N

IUPAC Name

4-methylsulfinylbenzoic acid

SMILES String

CS(=O)c1ccc(C(=O)O)cc1

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

4-Methanesulfinylbenzoic acid (CAS 33963-58-5) is listed in the Advanced Chemicals portfolio, with molecular formula C8H8O3S and molecular weight 184. 21 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

Safety and handling reference content is available through documentation requests.

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

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

4-Methanesulfinylbenzoic acid

Names & Synonyms

4-(methylsulfinyl)benzoic acid4-(Methylsulfinyl)benzoicacid4-(Methylsulfinyl)-benzoesaure4-(Methanesulfinyl)benzoic acid
External Identifiers
EC NUMBER: 878-637-6DSSTOX SUBSTANCE ID: DTXSID80406965WIKIDATA ID: Q72488875

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

Show non-linked catalog cues

Non-public related references

1-(4-Methanesulfinylphenyl)ethan-1-oneCAS 32361-73-2
4-(Methylsulfinyl)phenolCAS 14763-64-5
Methyl phenyl sulfoxideCAS 1193-82-4
Benzene, [(S)-methylsulfinyl]-CAS 18453-46-8
(R)-methyl phenyl sulfoxideCAS 4850-71-9

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 32361-73-21-(4-Methanesulfinylphenyl)ethan-1-oneCAS 14763-64-54-(Methylsulfinyl)phenolCAS 1193-82-4Methyl phenyl sulfoxideCAS 18453-46-8Benzene, [(S)-methylsulfinyl]-CAS 4850-71-9(R)-methyl phenyl sulfoxideCAS 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 acid

RFQ questions for CAS 33963-58-5

What are the key identifiers for 4-Methanesulfinylbenzoic acid (CAS 33963-58-5)?

4-Methanesulfinylbenzoic acid is identified by CAS 33963-58-5, with molecular formula C8H8O3S, molecular weight 184.21, InChIKey DTKRTQFUPNGBLZ-UHFFFAOYSA-N.

Can I request a COA for CAS 33963-58-5?

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

Can I request supplier SDS for 4-Methanesulfinylbenzoic acid?

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

Is CAS 33963-58-5 available for quotation?

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

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.