5-Bromo-2-thiophenecarboxylic acid - ≥98% , CAS No.7311-63-9

CAS: 7311-63-9 Cat. No.: B123511 Molecular Weight: 207.05 Beilstein Registry Number: 118364 EC Number: 615-911-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
STK400295 | BBL016317 | B2302 | MFCD00079725 | 5-bromothiophene carboxylic acid | 5-Bromo-2-thiophenecarboxylic acid | 5-bromo-2-thiophene-carboxylic acid | 5-bromo-thiophen-2-carboxylic acid | BDBM50467717 | NSC408675 | NSC-408675 | PB21666 | AM20100699
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
B123511-1g
3
$9.90
5g
B123511-5g
3
$11.90
10g
B123511-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$21.90
25g
B123511-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$53.90
100g
B123511-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$133.90
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

5-Bromo-2-thiophenecarboxylic acid may be used in the preparation of:

• 5-bromo-2-thiophenecarboxylic acid butyl ester

• sulphonyl-tetrafluorophenyl (STP) esters

• new porphyrin sensitizers based on donor-Π-acceptor (D-Π-A) approach

Specifications

Synonyms
STK400295 | BBL016317 | B2302 | MFCD00079725 | 5-bromothiophene carboxylic acid | 5-Bromo-2-thiophenecarboxylic acid | 5-bromo-2-thiophene-carboxylic acid | 5-bromo-thiophen-2-carboxylic acid | BDBM50467717 | NSC408675 | NSC-408675 | PB21666 | AM20100699
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504758550
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504758550
Canonical SmilesC1=C(SC(=C1)Br)C(=O)O
IUPAC Name5-bromothiophene-2-carboxylic acid
InChIKeyCOWZPSUDTMGBAT-UHFFFAOYSA-N
INCHI1S/C5H3BrO2S/c6-4-2-1-3(9-4)5(7)8/h1-2H,(H,7,8)
Isomeric SMILES C1=C(SC(=C1)Br)C(=O)O
WGK Germany 3
Molecular Weight 207.05
Beilstein 118364
Reaxy-Rn 118364
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=118364&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
ClassThiophenes
SubclassThiophene carboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentThiophene carboxylic acids
Alternative Parents 2,5-disubstituted thiophenes  Aryl bromides  Heteroaromatic compounds  Carboxylic acids  Organooxygen compounds  Organobromides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Thiophene carboxylic acid - 2,5-disubstituted thiophene - Aryl halide - Aryl bromide - Heteroaromatic compound - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organobromide - Organohalogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thiophene carboxylic acids. These are compounds containing a thiophene ring which bears a carboxylic acid group.
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.

6 results found

Lot NumberCertificate TypeDateItem
A2412048Certificate of AnalysisOct 13, 2025 B123511
H2522018Certificate of AnalysisAug 30, 2025 B123511
D2312049Certificate of AnalysisJan 09, 2025 B123511
J2123483Certificate of AnalysisAug 21, 2023 B123511
J2123513Certificate of AnalysisAug 21, 2023 B123511
J2123514Certificate of AnalysisAug 21, 2023 B123511
Chemical and Physical Properties
Melt Point(°C)142°C
Molecular Weight207.050 g/mol
XLogP32.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass205.904 Da
Monoisotopic Mass205.904 Da
Topological Polar Surface Area65.500 Ų
Heavy Atom Count9
Formal Charge0
Complexity128.000
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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