1-Benzothiophen-2-ylboronic acid(contains varying amounts of Anhydride) - ≥98% , CAS No.98437-23-1

CAS: 98437-23-1 Cat. No.: B103172 Molecular Weight: 178.02 Beilstein Registry Number: 1637924 EC Number: 671-850-3
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
bezothiophene-2-boronic acid | Benzo[b]thiophene-2-ylboronic Acid, (contains varying amounts of Anhydride) | HMS3604C07 | Benzo[b]thiophene-2-boronic acid (contains varying amounts of Anhydride) | 2-benzo[b]thiophene boronic acid | 2-benzothienylboronic a
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
B103172-1g
3

$9.90

$14.90
Save $5.00 (33.56%)
5g
B103172-5g
4

$18.90

$28.90
Save $10.00 (34.60%)
10g
B103172-10g
4

$24.90

$37.90
Save $13.00 (34.30%)
25g
B103172-25g
5

$58.90

$88.90
Save $30.00 (33.75%)
100g
B103172-100g
4

$212.90

$319.90
Save $107.00 (33.45%)
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Why this grade

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

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

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

Benzo[b]thiophene-2-boronic acid is used in the synthesis of phosphorescent sensor for quantification of copper(II) ion, UV promoted phenanthridine syntheses, Preparation of CYP11B1 inhibitors for treatment of cortisol dependent diseases, PDE4 inhibitors, Suzuki-Miyaura cross-coupling reactions.

Specifications

Synonyms
bezothiophene-2-boronic acid | Benzo[b]thiophene-2-ylboronic Acid, (contains varying amounts of Anhydride) | HMS3604C07 | Benzo[b]thiophene-2-boronic acid (contains varying amounts of Anhydride) | 2-benzo[b]thiophene boronic acid | 2-benzothienylboronic a
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488179696
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488179696
Canonical SmilesB(C1=CC2=CC=CC=C2S1)(O)O
IUPAC Name1-benzothiophen-2-ylboronic acid
InChIKeyYNCYPMUJDDXIRH-UHFFFAOYSA-N
INCHI1S/C8H7BO2S/c10-9(11)8-5-6-3-1-2-4-7(6)12-8/h1-5,10-11H
Isomeric SMILES B(C1=CC2=CC=CC=C2S1)(O)O
WGK Germany 3
Molecular Weight 178.02
Beilstein 1637924
Reaxy-Rn 1637924
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1637924&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
ClassBenzothiophenes
Subclass1-benzothiophenes
Intermediate Tree Nodes Not available
Direct Parent1-benzothiophenes
Alternative Parents 2,3,5-trisubstituted thiophenes  Benzenoids  Heteroaromatic compounds  Boronic acids  Organic metalloid salts  Organoboron compounds  Organic oxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 1-benzothiophene - 2,3,5-trisubstituted thiophene - Benzenoid - Heteroaromatic compound - Thiophene - Boronic acid - Boronic acid derivative - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organoboron compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 1-benzothiophenes. These are aromatic heterocyclic compound containing the Benzo[b]thiophene ring system.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
PRSS2 Tchem Trypsin II (14 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Homo sapiens (32628 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MGLL Tchem Monoglyceride lipase (1909 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SNCA Tchem Alpha-synuclein (10960 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMAD3 Tchem Mothers against decapentaplegic homolog 3 (68039 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CBX1 Tbio Chromobox protein homolog 1 (92434 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
bla Beta-lactamase TEM (457 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ampC Beta-lactamase AmpC (62480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Alpha-chymotrypsin (819 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Faah Anandamide amidohydrolase (3907 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Escherichia coli (133304 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
dac D-alanyl-D-alanine carboxypeptidase (132 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
pbpX Penicillin-binding protein 2x (156 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.

14 results found

Lot NumberCertificate TypeDateItem
H1809120Certificate of AnalysisMar 20, 2026 B103172
H1809121Certificate of AnalysisMar 20, 2026 B103172
F2216107Certificate of AnalysisMar 18, 2026 B103172
F2216110Certificate of AnalysisMar 18, 2026 B103172
B2219171Certificate of AnalysisDec 10, 2025 B103172
B2221345Certificate of AnalysisDec 10, 2025 B103172
H2525006Certificate of AnalysisSep 06, 2025 B103172
J2213211Certificate of AnalysisJul 13, 2022 B103172
J2213236Certificate of AnalysisJul 13, 2022 B103172
J2213271Certificate of AnalysisJul 13, 2022 B103172
J2213273Certificate of AnalysisJul 13, 2022 B103172
C1821155Certificate of AnalysisJan 27, 2022 B103172
C1821156Certificate of AnalysisJan 27, 2022 B103172
E2324103Certificate of AnalysisDec 20, 2021 B103172

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Chemical and Physical Properties
SolubilitySoluble in tetrahydrofuran, insoluble in water
Melt Point(°C)260℃
Molecular Weight178.020 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass178.026 Da
Monoisotopic Mass178.026 Da
Topological Polar Surface Area68.700 Ų
Heavy Atom Count12
Formal Charge0
Complexity165.000
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. Fan Wang, Weiqi Wang, Yuqing Wang, Lili Zhang, Yoshio Okamoto, Jun Shen.  (2023)  Cellulose/amylose derivatives bearing bulky substituents as reversible fluorescent sensors for detection of Fe3+.  CARBOHYDRATE POLYMERS,      [PMID:37659827] [10.1016/j.carbpol.2023.121249]
2. Fan Wang, Weiqi Wang, Yuqing Wang, Wei Zheng, Ting Zheng, Lili Zhang, Yoshio Okamoto, Jun Shen.  (2023)  Synthesis of amylose and cellulose derivatives bearing bulky pendants for high-efficient chiral fluorescent sensing.  CARBOHYDRATE POLYMERS,      [PMID:37028880] [10.1016/j.carbpol.2023.120769]
Solution Calculators
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