Benzo[b]thiophene-3-carboxaldehyde - ≥98%(GC) , CAS No.5381-20-4

CAS: 5381-20-4 Cat. No.: B152938 Molecular Weight: 162.21 EC Number: 611-051-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
88C6MH2ME3 | benzo[b]thiophene-3-aldehyde | NSC18872 | NSC-18872 | A1717 | F0001-1398 | 3-formylbenzothiophene | B4086 | SCHEMBL40953 | UNII-88C6MH2ME3 | benzo[b]thiophene-3-carbaldehyde | WDJLPQCBTBZTRH-UHFFFAOYSA-N | 1-benzothiophene-3-carbaldehyde | be
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
B152938-250mg
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$9.90
1g
B152938-1g
1
$10.90
5g
B152938-5g
3

$26.90

$40.90
Save $14.00 (34.23%)
25g
B152938-25g
1

$104.90

$157.90
Save $53.00 (33.57%)
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Thianaphthene-3-carboxaldehyde, also known as benzo[b]thiophene-3-carboxaldehyde, can be synthesized from 3-methyl-benzo[b]thiophene. It undergoes phosphine-free palladium coupling with aryl halides to form 2-arylbenzo[b]thiophenes.

Specifications

Synonyms
88C6MH2ME3 | benzo[b]thiophene-3-aldehyde | NSC18872 | NSC-18872 | A1717 | F0001-1398 | 3-formylbenzothiophene | B4086 | SCHEMBL40953 | UNII-88C6MH2ME3 | benzo[b]thiophene-3-carbaldehyde | WDJLPQCBTBZTRH-UHFFFAOYSA-N | 1-benzothiophene-3-carbaldehyde | be
Specifications & Purity
≥98%(GC)
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid504757960
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504757960
Canonical SmilesC1=CC=C2C(=C1)C(=CS2)C=O
IUPAC Name1-benzothiophene-3-carbaldehyde
InChIKeyWDJLPQCBTBZTRH-UHFFFAOYSA-N
INCHI1S/C9H6OS/c10-5-7-6-11-9-4-2-1-3-8(7)9/h1-6H
Isomeric SMILES C1=CC=C2C(=C1)C(=CS2)C=O
WGK Germany 3
Molecular Weight 162.21
Reaxy-Rn 114116
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=114116&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 Aryl-aldehydes  Benzenoids  Thiophenes  Heteroaromatic compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 1-benzothiophene - Aryl-aldehyde - Benzenoid - Heteroaromatic compound - Thiophene - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aldehyde - 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)
CYP2A6 Tchem Cytochrome P450 2A6 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
SLC6A1 Tclin GABA transporter 1 (308 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP2A6 Tchem Cytochrome P450 2A6 (2861 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Iap Intestinal alkaline phosphatase (419 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.

9 results found

Lot NumberCertificate TypeDateItem
G2031039Certificate of AnalysisJan 05, 2026 B152938
G2031038Certificate of AnalysisJan 05, 2026 B152938
H2527055Certificate of AnalysisSep 05, 2025 B152938
L2206572Certificate of AnalysisSep 06, 2024 B152938
L2206573Certificate of AnalysisSep 06, 2024 B152938
L2206591Certificate of AnalysisSep 06, 2024 B152938
K2101033Certificate of AnalysisAug 02, 2023 B152938
J2130381Certificate of AnalysisAug 02, 2023 B152938
J2130382Certificate of AnalysisAug 02, 2023 B152938
Chemical and Physical Properties
Sensitivityair sensitive
Flash Point(°F)>235.4 °F
Flash Point(°C)>113 °C
Boil Point(°C)133 °C/4 mmHg
Melt Point(°C)53-57°C
Molecular Weight162.210 g/mol
XLogP32.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass162.014 Da
Monoisotopic Mass162.014 Da
Topological Polar Surface Area45.300 Ų
Heavy Atom Count11
Formal Charge0
Complexity158.000
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. Linlin Sun, Xiaoshuo Liu, Huiling Ji, Xunlei Ding, Nan Jiang, Jigang Wang.  (2023)  Novel electron donor boosting the electron supply capacity of hierarchical structure carbon nitride for efficient photocatalytic hydrogen peroxide production.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2023.145468]
Solution Calculators
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