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Home/Compounds/CAS 16859-59-9
Formula C8H6O3MW 150.13Research-use catalog entryCOA/SDS by request

3-Hydroxyisobenzofuran-1(3H)-one

CAS Number: 16859-59-9

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Loading RDKit molecule structure...
InChIKey: JKNKNWJNCOJPLI-UHFFFAOYSA-NC8H6O3 | MW 150.13

Chemical Absolute Identifiers

CAS Number

16859-59-9

PubChem CID

3804259

Molecular Formula

C8H6O3

Molecular Weight

150.13 g/mol

Exact Mass

150.031694

InChIKey

JKNKNWJNCOJPLI-UHFFFAOYSA-N

IUPAC Name

3-hydroxy-3H-2-benzofuran-1-one

SMILES String

O=C1OC(O)c2ccccc21

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-Hydroxyisobenzofuran-1(3H)-one (CAS 16859-59-9) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C8H6O3 and molecular weight 150. 13 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research-stage medicinal chemistry and intermediate synthesis workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Pharmaceutical Intermediate ResearchResearch intermediateCustom synthesis building blockPharmaceutical intermediate researchResearch 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

3-Hydroxyisobenzofuran-1(3H)-one

Names & Synonyms

o-Phthalaldehydic acidhydroxyphthalide3-hydroxy-1,3-dihydro-2-benzofuran-1-one3-hydroxy-3H-isobenzofuran-1-one1(3H)-isobenzofuranone, 3-hydroxy-
Show all synonyms
hydroxyl phthalide3-hydroxy-2-benzofuran-1(3H)-one3-Hydroxybenzo[c]furan-1(3H)-oneH1754
External Identifiers
EC NUMBER: 971-107-6CHEMBL ID: CHEMBL234051CHEBI ID: CHEBI:495639METABOLOMICS WORKBENCH ID: 52760WIKIDATA ID: Q27105161
Experimental Spectrum References
13C NMR Spectra
Literature & Patent References
DOI 10.1016/j.bmcl.2007.04.018Rational design of inhibitors of VirA-VirG two-component signal transduction.PMID 17470391Rational design of inhibitors of VirA-VirG two-component signal transduction.

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

Dimethyl (3-oxo-1,3-dihydro-2-benzofuran-1-yl)phosphonateCAS 61260-15-9
2-fluoro-5-(((1Z)-3-oxo-1,3-dihydro-2-benzofuran-1-ylidene)methyl)benzonitrileCAS 763114-25-6

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 61260-15-9Dimethyl (3-oxo-1,3-dihydro-2-benzofuran-1-yl)phosphonateCAS 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 16859-59-9

What are the key identifiers for 3-Hydroxyisobenzofuran-1(3H)-one (CAS 16859-59-9)?

3-Hydroxyisobenzofuran-1(3H)-one is identified by CAS 16859-59-9, with molecular formula C8H6O3, molecular weight 150.13, InChIKey JKNKNWJNCOJPLI-UHFFFAOYSA-N.

Can I request a COA for CAS 16859-59-9?

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

Can I request supplier SDS for 3-Hydroxyisobenzofuran-1(3H)-one?

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

Is CAS 16859-59-9 available for quotation?

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

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