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Home/Compounds/CAS 3899-91-0
Formula C14H14O4SMW 278.33Research-use catalog entryCOA/SDS by request

4-Methoxyphenyl 4-methylbenzenesulfonate

CAS Number: 3899-91-0

Sourcing & RFQ

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Loading RDKit molecule structure...
InChIKey: PQWHXPBFMWCDEB-UHFFFAOYSA-NC14H14O4S | MW 278.33

Chemical Absolute Identifiers

CAS Number

3899-91-0

PubChem CID

11460118

Molecular Formula

C14H14O4S

Molecular Weight

278.33 g/mol

Exact Mass

278.06128

InChIKey

PQWHXPBFMWCDEB-UHFFFAOYSA-N

IUPAC Name

(4-methoxyphenyl) 4-methylbenzenesulfonate

SMILES String

COc1ccc(OS(=O)(=O)c2ccc(C)cc2)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-Methoxyphenyl 4-methylbenzenesulfonate (CAS 3899-91-0) is listed in the Advanced Chemicals portfolio, with molecular formula C14H14O4S and molecular weight 278. 33 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

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Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

4-Methoxyphenyl 4-methylbenzenesulfonate

Names & Synonyms

4-methoxyphenyl 4-methylbenzene-1-sulfonate4-methoxyphenyl tosylatePhenol, 4-methoxy-, 1-(4-methylbenzenesulfonate)4-Methoxyphenyl 4-toluenesulfonate4-Methoxyphenyl p-toluenesulfonate
Show all synonyms
4-methoxylphenyl p-toluenesulfonate4-Methoxyphenyl4-methylbenzenesulfonate
External Identifiers
DSSTOX SUBSTANCE ID: DTXSID601239553
Experimental Spectrum References
13C NMR 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

Show non-linked catalog cues

Non-public related references

2-Naphthyl p-ToluenesulfonateCAS 7385-85-5
Methyl p-toluenesulfonateCAS 80-48-8
Ethylene glycol ditosylateCAS 6315-52-2
Methylene bis(4-methylbenzene-1-sulfonate)CAS 24124-59-2
Tropolone TosylateCAS 38768-08-0

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 7385-85-52-Naphthyl p-ToluenesulfonateCAS 80-48-8Methyl p-toluenesulfonateCAS 6315-52-2Ethylene glycol ditosylateCAS 24124-59-2Methylene bis(4-methylbenzene-1-sulfonate)CAS 38768-08-0Tropolone TosylateCAS 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 3899-91-0

What are the key identifiers for 4-Methoxyphenyl 4-methylbenzenesulfonate (CAS 3899-91-0)?

4-Methoxyphenyl 4-methylbenzenesulfonate is identified by CAS 3899-91-0, with molecular formula C14H14O4S, molecular weight 278.33, InChIKey PQWHXPBFMWCDEB-UHFFFAOYSA-N.

Can I request a COA for CAS 3899-91-0?

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

Can I request supplier SDS for 4-Methoxyphenyl 4-methylbenzenesulfonate?

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

Is CAS 3899-91-0 available for quotation?

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

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