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Home/Compounds/CAS 5556-20-7
Formula C11H10O3SMW 222.26Research-use catalog entryCOA/SDS by request

Ethyl 3-hydroxy-1-benzothiophene-2-carboxylate

CAS Number: 5556-20-7

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Loading RDKit molecule structure...
InChIKey: KRXONUVWZRBHQR-UHFFFAOYSA-NC11H10O3S | MW 222.26

Chemical Absolute Identifiers

CAS Number

5556-20-7

PubChem CID

54678584

Molecular Formula

C11H10O3S

Molecular Weight

222.26 g/mol

Exact Mass

222.035065

InChIKey

KRXONUVWZRBHQR-UHFFFAOYSA-N

SMILES String

CCOC(=O)c1sc2ccccc2c1O

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

Ethyl 3-hydroxy-1-benzothiophene-2-carboxylate (CAS 5556-20-7) is listed in the Advanced Chemicals portfolio, with molecular formula C11H10O3S and molecular weight 222. 26 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

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Names & Synonyms / External Identifiers

Chemical Name

Ethyl 3-hydroxy-1-benzothiophene-2-carboxylate

Names & Synonyms

ethyl 3-hydroxybenzo[b]thiophene-2-carboxylateBenzo[b]thiophene-2-carboxylic acid, 3-hydroxy-, ethyl esterethyl 3-hydroxybenzothiophene-2-carboxylateethyl3-hydroxybenzo[b]thiophene-2-carboxylateEthyl 2,3-dihydro-3-oxobenzo[b]thiophene-2-carboxylate
Show all synonyms
Benzo[b]thiophene-2-carboxylic acid, 2,3-dihydro-3-oxo-, ethyl ester
External Identifiers
DSSTOX SUBSTANCE ID: DTXSID80715645UNII: WWE9H769Q8WIKIDATA ID: Q82652909
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

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Non-public related references

Ethyl 3-aminobenzo[b]thiophene-2-carboxylateCAS 34761-09-6
Ethyl 2-amino-1-benzothiophene-3-carboxylateCAS 7311-95-7
Methyl 3-methylbenzo[b]thiophene-2-carboxylateCAS 3133-81-1
Ethyl 3-amino-4-chloro-1-benzothiophene-2-carboxylateCAS 67189-92-8
Ethyl 4-bromo-1-benzothiophene-2-carboxylateCAS 93103-82-3

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 34761-09-6Ethyl 3-aminobenzo[b]thiophene-2-carboxylateCAS 7311-95-7Ethyl 2-amino-1-benzothiophene-3-carboxylateCAS 3133-81-1Methyl 3-methylbenzo[b]thiophene-2-carboxylateCAS 67189-92-8Ethyl 3-amino-4-chloro-1-benzothiophene-2-carboxylateCAS 93103-82-3Ethyl 4-bromo-1-benzothiophene-2-carboxylateCAS 4892-02-8Benzoic acid, 2-mercapto-, methyl esterCAS 19602-82-52,2'-Dithiodibenzoyl chlorideCAS 105-53-3Diethyl MalonateCAS 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 acid

RFQ questions for CAS 5556-20-7

What are the key identifiers for Ethyl 3-hydroxy-1-benzothiophene-2-carboxylate (CAS 5556-20-7)?

Ethyl 3-hydroxy-1-benzothiophene-2-carboxylate is identified by CAS 5556-20-7, with molecular formula C11H10O3S, molecular weight 222.26, InChIKey KRXONUVWZRBHQR-UHFFFAOYSA-N.

Can I request a COA for CAS 5556-20-7?

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

Can I request supplier SDS for Ethyl 3-hydroxy-1-benzothiophene-2-carboxylate?

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

Is CAS 5556-20-7 available for quotation?

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

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