Benzofuran-3(2H)-one - ≥98% , CAS No.7169-34-8

CAS: 7169-34-8 Cat. No.: B119781 Molecular Weight: 134.13 Beilstein Registry Number: 115296 EC Number: 640-279-1
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1-benzofuran-3-one | DTXSID20221917 | 1-benzofuran-3 (2H)-one | UNII-KZ7LS8K9LP | PS-4359 | 2,3-DIHYDROBENZOFURAN-3-ONE | 2H-BENZOFURAN-3-ONE | C2825 | PB43343 | STR06709 | CCG-356035 | FT-0694917 | CCRIS 3596 | MFCD00051810 | NSC512726 | NSC-512726 | 2,3
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
B119781-250mg
2
$9.90
1g
B119781-1g
1
$19.90
5g
B119781-5g
1

$24.90

$37.90
Save $13.00 (34.30%)
25g
B119781-25g
2
$99.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Benzofuran-3(2H)-one undergoes condensation with aldehydes in the presence of morpholine acetate to yield substituted 2-(arylidene)benzofuran-3(ZH)-ones. It undergoes acid- or base-catalyzed condensation with an appropriate aldehyde to yield aurones [2-benzylidenebenzofuran-3(2H)-ones].

Specifications

Synonyms
1-benzofuran-3-one | DTXSID20221917 | 1-benzofuran-3 (2H)-one | UNII-KZ7LS8K9LP | PS-4359 | 2, 3-DIHYDROBENZOFURAN-3-ONE | 2H-BENZOFURAN-3-ONE | C2825 | PB43343 | STR06709 | CCG-356035 | FT-0694917 | CCRIS 3596 | MFCD00051810 | NSC512726 | NSC-512726 | 2, 3
Specifications & Purity
≥98%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504753132
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753132
Canonical SmilesC1C(=O)C2=CC=CC=C2O1
IUPAC Name1-benzofuran-3-one
InChIKeyMGKPCLNUSDGXGT-UHFFFAOYSA-N
INCHI1S/C8H6O2/c9-7-5-10-8-4-2-1-3-6(7)8/h1-4H,5H2
Isomeric SMILES C1C(=O)C2=CC=CC=C2O1
WGK Germany 3
Molecular Weight 134.13
Beilstein 115296
Reaxy-Rn 115296
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=115296&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzofurans
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzofurans
Alternative Parents Coumarans  Aryl alkyl ketones  Alkyl aryl ethers  Benzenoids  Oxacyclic compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Coumaran - Benzofuran - Aryl alkyl ketone - Aryl ketone - Alkyl aryl ether - Benzenoid - Ketone - Oxacycle - Ether - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzofurans. These are organic compounds containing a benzene ring fused to a furan. Furan is a five-membered aromatic ring with four carbon atoms and one oxygen atom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

7 results found

Lot NumberCertificate TypeDateItem
C1823093Certificate of AnalysisOct 14, 2025 B119781
K2125996Certificate of AnalysisSep 08, 2025 B119781
I1911146Certificate of AnalysisJun 12, 2023 B119781
H2419104Certificate of AnalysisNov 30, 2021 B119781
H2508149Certificate of AnalysisNov 30, 2021 B119781
K21251087Certificate of AnalysisNov 30, 2021 B119781
K2419257Certificate of AnalysisNov 30, 2021 B119781
Chemical and Physical Properties
SolubilitySlightly miscible with water.
SensitivityAir & Light sensitive
Melt Point(°C)101-103°C
Molecular Weight134.130 g/mol
XLogP31.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass134.037 Da
Monoisotopic Mass134.037 Da
Topological Polar Surface Area26.300 Ų
Heavy Atom Count10
Formal Charge0
Complexity153.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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