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Home/Compounds/CAS 134434-31-4
Formula C9H7NOMW 145.16Research-use catalog entryCOA/SDS by request

3-Hydroxyisoquinoline

CAS Number: 134434-31-4

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Public pricing is not shown for this CAS. Submit an RFQ to confirm availability, documentation, and shipping review.

Loading RDKit molecule structure...
InChIKey: GYPOFOQUZZUVQL-UHFFFAOYSA-NC9H7NO | MW 145.16

Chemical Absolute Identifiers

CAS Number

134434-31-4

PubChem CID

2736554

Molecular Formula

C9H7NO

Molecular Weight

145.16 g/mol

Exact Mass

145.052764

InChIKey

GYPOFOQUZZUVQL-UHFFFAOYSA-N

IUPAC Name

2H-isoquinolin-3-one

SMILES String

C1=CC2=CC(=O)NC=C2C=C1

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

3-Hydroxyisoquinoline (CAS 134434-31-4) is listed in the Advanced Chemicals portfolio, with molecular formula C9H7NO and molecular weight 145. 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; 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

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

3-Hydroxyisoquinoline

Names & Synonyms

Isoquinolin-3(2H)-one3-Isoquinolinol3-Isoquinolinol(9CI)2,3-dihydroisoquinolin-3-one3(2H)-Isoquinolinone
Show all synonyms
2H-3-isoquinolone3-hydroxy-isoquinolineisoquinoline, 3-hydroxy-H1451
External Identifiers
EC NUMBER: 624-369-8DSSTOX SUBSTANCE ID: DTXSID20997882WIKIDATA ID: Q72484604Isoquinolin-3-olisoquinolinium-3-oxide
Experimental Spectrum References
13C NMR Spectra — Sigma-Aldrich Co. LLC.1H NMR Spectra — Sigma-Aldrich Co. LLC.ATR-IR Spectra — Forensic Spectral ResearchFTIR Spectra — Forensic Spectral ResearchRaman Spectra — Forensic Spectral Research

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

4-Bromo-1-hydroxyisoquinolineCAS 3951-95-9
Isoquinoline-3-carboxylic acidCAS 6624-49-3
7-chloro-2H-isoquinolin-1-oneCAS 24188-74-7
8-Fluoro-1,2-dihydroisoquinolin-1-oneCAS 444898-84-4
3-Isoquinolinecarboxylic acid hydrateCAS 203626-75-9

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 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 acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 134434-31-4

What are the key identifiers for 3-Hydroxyisoquinoline (CAS 134434-31-4)?

3-Hydroxyisoquinoline is identified by CAS 134434-31-4, with molecular formula C9H7NO, molecular weight 145.16, InChIKey GYPOFOQUZZUVQL-UHFFFAOYSA-N.

Can I request a COA for CAS 134434-31-4?

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

Can I request supplier SDS for 3-Hydroxyisoquinoline?

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

Is CAS 134434-31-4 available for quotation?

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

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