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Home/Compounds/CAS 491-33-8
Formula C9H7NSMW 161.23Research-use catalog entryCOA/SDS by request

8-Mercaptoquinoline

CAS Number: 491-33-8

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Loading RDKit molecule structure...
InChIKey: MHTSJSRDFXZFHQ-UHFFFAOYSA-NC9H7NS | MW 161.23

Chemical Absolute Identifiers

CAS Number

491-33-8

PubChem CID

96028

Molecular Formula

C9H7NS

Molecular Weight

161.23 g/mol

Exact Mass

161.02992

InChIKey

MHTSJSRDFXZFHQ-UHFFFAOYSA-N

IUPAC Name

quinoline-8-thiol

SMILES String

C1=CC2=C(C(=C1)S)N=CC=C2

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

8-Mercaptoquinoline (CAS 491-33-8) is listed in the Advanced Chemicals portfolio, with molecular formula C9H7NS and molecular weight 161. 23 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; structure-derived tags include nitrogen-containing heterocycle.

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
Biological target reference

ChEMBL reports experimental activity evidence for: 26S proteasome non-ATPase regulatory subunit 14 (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

26S proteasome non-ATPase regulatory subunit 14

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 5.6

Experimental evidence source: ChEMBL

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

8-Mercaptoquinoline

Names & Synonyms

8-Quinolinethiolquinoline, 8-mercapto-8-thioquinoline8-MQ8-Mercaptoquinoline (8TQ)
Show all synonyms
NCIOpen2_001790MLS-0472512.00018TQ
External Identifiers
DSSTOX SUBSTANCE ID: DTXSID70197678CHEMBL ID: CHEMBL4076575UNII: F77S9F93J4HMDB ID: HMDB0247448WIKIDATA ID: Q25323974quinoline-8-thiolSQT-8
Literature & Patent References
DOI 10.1021/acs.jmedchem.6b01379Discovery of an Inhibitor of the Proteasome Subunit Rpn11.PMID 28191850Discovery of an Inhibitor of the Proteasome Subunit Rpn11.DOI 10.1038/nchembio.2326DOI 10.1038/nchembio.2326PMID 28244987PMID 28244987

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

Additional text reference cues are not available for this catalog entry.

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.

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RFQ questions for CAS 491-33-8

What are the key identifiers for 8-Mercaptoquinoline (CAS 491-33-8)?

8-Mercaptoquinoline is identified by CAS 491-33-8, with molecular formula C9H7NS, molecular weight 161.23, InChIKey MHTSJSRDFXZFHQ-UHFFFAOYSA-N.

Does CAS 491-33-8 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with 26S proteasome non-ATPase regulatory subunit 14. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 491-33-8?

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

Can I request supplier SDS for 8-Mercaptoquinoline?

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

Is CAS 491-33-8 available for quotation?

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

Can MolGraph support bulk sourcing or custom synthesis review?

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