4-Chlorophenylboronic acid(contains varying amounts of Anhydride) - ≥98% , CAS No.1679-18-1

CAS: 1679-18-1 Cat. No.: C396376 Molecular Weight: 156.37 Beilstein Registry Number: 2936346 EC Number: 216-845-5
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
NSC 25408 | 1-Methyl-3-(2-benzothiazolyl)urea | 4chlorophenylboronic acid | 4-Chlorophenylboronic acid | 4-chloro-phenylboronic acid | Acilan Orange G | Antifeeding compound 24,055 | B-(4-CHLOROPHENYL)BORONIC ACID | B-(4-CHLOROPHENYL)-BORONIC ACID | 4-Chl
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
5g
C396376-5g
5

$9.90

$14.90
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25g
C396376-25g
4

$23.90

$35.90
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100g
C396376-100g
5

$50.90

$76.90
Save $26.00 (33.81%)
500g
C396376-500g
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$129.90

$194.90
Save $65.00 (33.35%)
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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.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product Application:

4-Chlorophenylboronic acid can be used as a reactant in: Palladium-catalyzed direct arylation. Cyclopalladation. Tandem-type Pd(II)-catalyzed oxidative Heck reaction and intramolecular C-H amidation. Copper-mediated ligandless aerobic fluoroalkylation. Pd-catalyzed arylative cyclization. Ruthenium catalyzed direct arylation. Ligand-free copper-catalyzed coupling reactions. Regioselective arylation and alkynylation by Suzuki-Miyaura and Sonogashira cross-coupling reactions. It can also be used to prepare: Substituted diarylmethylidenefluorenes via Suzuki coupling reaction. Baclofen lactam by Suzuki coupling of a pyrrolinyl tosylate, followed by hydrogenation reaction. Palladium(II) thiocarboxamide complexes as Suzuki coupling catalysts. Biaryls by Suzuki reactions of aryl chlorides, bromides, and iodides with arylboronic acids.

Specifications

Synonyms
NSC 25408 | 1-Methyl-3-(2-benzothiazolyl)urea | 4chlorophenylboronic acid | 4-Chlorophenylboronic acid | 4-chloro-phenylboronic acid | Acilan Orange G | Antifeeding compound 24, 055 | B-(4-CHLOROPHENYL)BORONIC ACID | B-(4-CHLOROPHENYL)-BORONIC ACID | 4-Chl
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504754797
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504754797
Canonical SmilesB(C1=CC=C(C=C1)Cl)(O)O
IUPAC Name(4-chlorophenyl)boronic acid
InChIKeyCAYQIZIAYYNFCS-UHFFFAOYSA-N
INCHI1S/C6H6BClO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4,9-10H
Isomeric SMILES B(C1=CC=C(C=C1)Cl)(O)O
WGK Germany 3
RTECS CY8950000
Molecular Weight 156.37
Beilstein 2936346
Reaxy-Rn 2936346
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2936346&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassHalobenzenes
Intermediate Tree Nodes Not available
Direct ParentChlorobenzenes
Alternative Parents Aryl chlorides  Boronic acids  Organic metalloid salts  Organochlorides  Organoboron compounds  Organic oxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Chlorobenzene - Aryl halide - Aryl chloride - Boronic acid - Boronic acid derivative - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organochloride - Organoboron compound - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as chlorobenzenes. These are compounds containing one or more chlorine atoms attached to a benzene moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
KB (17409 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ENPP2 Tchem Autotaxin (2645 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

6 results found

Lot NumberCertificate TypeDateItem
C2214200Certificate of AnalysisDec 10, 2025 C396376
C2214216Certificate of AnalysisDec 10, 2025 C396376
C2214223Certificate of AnalysisDec 10, 2025 C396376
C2214269Certificate of AnalysisDec 10, 2025 C396376
F2314249Certificate of AnalysisFeb 20, 2022 C396376
F2314253Certificate of AnalysisFeb 20, 2022 C396376
Chemical and Physical Properties
Solubilitywater-solubility 2.5 g/100 mL
Melt Point(°C)268-277℃
Molecular Weight156.380 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass156.015 Da
Monoisotopic Mass156.015 Da
Topological Polar Surface Area40.500 Ų
Heavy Atom Count10
Formal Charge0
Complexity102.000
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
Documents & Articles
Citations of This Product
References
1. Qi Wei, Luo Kexin, Su Qing, Sun Xiaoman, Li Xiaodong, Liu Ziqian, Wu Qiaolin.  (2022)  The Photoactive Hydrazone-Linked Covalent Organic Frameworks for Photocyclization Approach to Phenanthridine Derivatives.  CATALYSIS LETTERS,  153  (8): (2331-2340).  [PMID:] [10.1007/s10562-022-04162-5]
2. Jiayin Gao, Yaoyao Wang, Yuqing Yu, Mengxiang Zhu, Wen Kong, Genyan Liu, Xiaogang Luo.  (2024)  Carbonized cellulose microspheres loaded with Pd NPs as catalyst in p-nitrophenol reduction and Suzuki-Miyaura coupling reaction.  INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,      [PMID:38688337] [10.1016/j.ijbiomac.2024.131904]
Solution Calculators
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