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 4565-31-5
Formula C6H4O3SMW 156.16Research-use catalog entryCOA/SDS by request

5-Formyl-2-thiophenecarboxylic Acid

CAS Number: 4565-31-5

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
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
1 kg
Purity
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
10 g
Purity
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
100 g
Purity
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
25 g
Purity
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
250 mg
Purity
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
5 g
Purity
97%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
500 g
Purity
97%
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: VFEAMMGYJFFXKV-UHFFFAOYSA-NC6H4O3S | MW 156.16

Chemical Absolute Identifiers

CAS Number

4565-31-5

PubChem CID

818882

Molecular Formula

C6H4O3S

Molecular Weight

156.16 g/mol

Exact Mass

155.988115

InChIKey

VFEAMMGYJFFXKV-UHFFFAOYSA-N

IUPAC Name

5-formylthiophene-2-carboxylic acid

SMILES String

C1=C(SC(=C1)C(=O)O)C=O

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

5-Formyl-2-thiophenecarboxylic Acid (CAS 4565-31-5) is listed in the Advanced Chemicals portfolio, with molecular formula C6H4O3S and molecular weight 156. 16 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

Heterocyclic 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

5-Formyl-2-thiophenecarboxylic Acid

Names & Synonyms

5-formyl-2-thiophene carboxylic acid5-Formylthenoic Acid5-formyl-thiophene-2-carboxylic acid2-Thiophenecarboxylic acid, 5-formyl-AI-942/25034147
Show all synonyms
5-formylthiophencarboxylic acid5-formylthiophenecarboxylic acid5-formylthiophene-2-carboxylicacid5-formyl-2-thiophencarboxylic acid5-carboxy-2-thiophenecarboxaldehyde2-formyl thiophen-5-carboxylic acid5-formyl-thiophen-2-carboxylic acid2-formyl-5-thiophene carboxylic acid5-formyl-2-thiophene-carboxylic acidThiophene-2-carboxylic acid, 5-formyl-F03365-Formyl-2-thiophenecarboxylic acid, AldrichCPR
External Identifiers
EC NUMBER: 671-160-2DSSTOX SUBSTANCE ID: DTXSID90355995CHEMBL ID: CHEMBL4280023WIKIDATA ID: Q72479498
Literature & Patent References
DOI 10.1016/j.ejmech.2018.09.040Structural basis for potent inhibition of d-amino acid oxidase by thiophene carboxylic acids.PMID 30265959Structural basis for potent inhibition of d-amino acid oxidase by thiophene carboxylic acids.

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

Methyl 5-formylthiophene-2-carboxylateCAS 67808-64-4
5-Iodothiophene-2-carboxylic acidCAS 60166-85-0
5-Boronothiophene-2-carboxylic acidCAS 465515-31-5
5-(Trifluoromethyl)thiophene-2-carboxylic acidCAS 128009-32-5
5-Ethyl-2-thiophenecarboxaldehydeCAS 36880-33-8

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 67808-64-4Methyl 5-formylthiophene-2-carboxylateCAS 60166-85-05-Iodothiophene-2-carboxylic acidCAS 465515-31-55-Boronothiophene-2-carboxylic acidCAS 128009-32-55-(Trifluoromethyl)thiophene-2-carboxylic acidCAS 36880-33-85-Ethyl-2-thiophenecarboxaldehydeCAS 932-95-6Thiophene-2,5-dicarbaldehydeCAS 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-carboxylate

RFQ questions for CAS 4565-31-5

What are the key identifiers for 5-Formyl-2-thiophenecarboxylic Acid (CAS 4565-31-5)?

5-Formyl-2-thiophenecarboxylic Acid is identified by CAS 4565-31-5, with molecular formula C6H4O3S, molecular weight 156.16, InChIKey VFEAMMGYJFFXKV-UHFFFAOYSA-N.

Can I request a COA for CAS 4565-31-5?

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

Can I request supplier SDS for 5-Formyl-2-thiophenecarboxylic Acid?

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

Is CAS 4565-31-5 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.