3-Carboxyphenylboronic acid(contains varying amounts of Anhydride) - ≥98% , CAS No.25487-66-5

CAS: 25487-66-5 Cat. No.: C757670 Molecular Weight: 165.94 Beilstein Registry Number: 16(3)1283 EC Number: 607-734-6
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GRADE & PURITY ≥98%
Synonyms
μ-Carboxyphenylboronic acid, 3-(Dihydroxyborane)benzoic acid, 3-(Dihydroxyboryl)benzoic acid, 3-Carboxybenzeneboronic acid, 3-Boronobenzoic acid
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
5g
C757670-5g
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Why this grade

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

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Storage & shipping

Room temperature Ships Normal 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.

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Literature proof

Cited in 26 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

It is widely used in suzuki coupling chemical reactions; 

3-carboxyphenylboric acid can be used as a substrate for the preparation of: 

Diaryl derivative (prepared by Suzuki-Miyaura coupling reaction with bromoaniline);

Boric acid functionalized block copolymer; 

1H-imidazoland [1,2-a] quinoxaline derivatives;

Specifications

Synonyms
μ-Carboxyphenylboronic acid, 3-(Dihydroxyborane)benzoic acid, 3-(Dihydroxyboryl)benzoic acid, 3-Carboxybenzeneboronic acid, 3-Boronobenzoic acid
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Canonical SmilesB(C1=CC(=CC=C1)C(=O)O)(O)O
IUPAC Name3-boronobenzoic acid
InChIKeyDBVFWZMQJQMJCB-UHFFFAOYSA-N
INCHI1S/C7H7BO4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4,11-12H,(H,9,10)
Isomeric SMILES B(C1=CC(=CC=C1)C(=O)O)(O)O
WGK Germany 2
RTECS CY8750000
Molecular Weight 165.94
Beilstein 16(3)1283
Reaxy-Rn 2967400
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2967400&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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzoic acids
Alternative Parents Benzoyl derivatives  Boronic acids  Organic metalloid salts  Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organoboron compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzoic acid - Benzoyl - Boronic acid - Boronic acid derivative - Organic metalloid salt - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Organooxygen compound - Organoboron compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoic acids. These are organic Compounds containing a benzene ring which bears at least one carboxyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

3 results found

Lot NumberCertificate TypeDateItem
I2511430Certificate of AnalysisSep 18, 2025 C757670
I2511429Certificate of AnalysisSep 17, 2025 C757670
I2511434Certificate of AnalysisSep 17, 2025 C757670
Chemical and Physical Properties
SolubilityInsoluble in water, soluble in methanol
Melt Point(°C)243-247°C
Molecular Weight165.940 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass166.044 Da
Monoisotopic Mass166.044 Da
Topological Polar Surface Area77.800 Ų
Heavy Atom Count12
Formal Charge0
Complexity171.000
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
Citations of This Product
References
1. Yabin Lin, Qixuan Guo, Qing Liu, Weikang Wang, Ang Lv, Luping Zhang, Liming Li, Jianqing Gao, Fei Huang.  (2025)  An injectable responsive exosome-releasing hydrogel based on sodium alginate restores motor and bladder function by alleviating the injury microenvironment and facilitating distal nerve repair.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:39929458] [10.1016/j.ijbiomac.2025.140819]
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19. Changjian Li, Yueqi Wang, Xiaojie Zhang, Xueling Guo, Xiaoxuan Kang, Libo Du, Yang Liu.  (2018)  Red fluorescent carbon dots with phenylboronic acid tags for quick detection of Fe(III) in PC12 cells.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:29772416] [10.1016/j.jcis.2018.05.017]
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