Thiophene-3-acetic Acid - ≥98%(T) , CAS No.6964-21-2

CAS: 6964-21-2 Cat. No.: T162811 Molecular Weight: 142.17 Beilstein Registry Number: 113622 EC Number: 230-166-1 PubChem CID: 23404
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(T)
Synonyms
thien-3-ylacetic acid | 3-Thienylacetic acid
Storage
Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
T162811-1g
2
$9.90
5g
T162811-5g
3
$19.90
25g
T162811-25g
3
$69.90
100g
T162811-100g
1
$229.90
500g
T162811-500g
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$899.90
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Why this grade

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

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Storage & shipping

Room temperature,Argon charged 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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

3-Thiopheneacetic acid acts as monocarboxylate ligand and forms oxo-carboxylate bridged digadolinium(III) complexes. Electrochemical oxidation of 3-thiopheneacetic acid in dry acetonitrile leads to the formation of a conducting polymeric film of poly (3-thiopheneacetic acid).
3-Thiopheneacetic acid was used in: . one-step, size control synthesis of gold nanoparticles . in the preparation of gold nanoparticles capped with 3-thiopheneacetic acid (3-TAA) via borohydride reduction

Specifications

Synonyms
thien-3-ylacetic acid | 3-Thienylacetic acid
Specifications & Purity
≥98%(T)
Storage
Room temperature, Argon charged
Shipped In
Normal
Purity
≥98%(T)
Names and Identifiers
Pubchem Sid504753123
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753123
Canonical SmilesC1=CSC=C1CC(=O)O
IUPAC Name2-thiophen-3-ylacetic acid
InChIKeyRCNOGGGBSSVMAS-UHFFFAOYSA-N
INCHI1S/C6H6O2S/c7-6(8)3-5-1-2-9-4-5/h1-2,4H,3H2,(H,7,8)
Isomeric SMILES C1=CSC=C1CC(=O)O
WGK Germany 3
RTECS XM7570000
PubChem CID 23404
Molecular Weight 142.17
Beilstein 113622
Reaxy-Rn 113622

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
ClassHeteroaromatic compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentHeteroaromatic compounds
Alternative Parents Thiophenes  Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Heteroaromatic compound - Thiophene - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as heteroaromatic compounds. These are compounds containing an aromatic ring where a carbon atom is linked to an hetero atom.
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.

20 results found

Lot NumberCertificate TypeDateItem
H2119274Certificate of AnalysisJun 09, 2025 T162811
H2119273Certificate of AnalysisJun 09, 2025 T162811
H2119272Certificate of AnalysisJun 09, 2025 T162811
K2426575Certificate of AnalysisJul 06, 2024 T162811
L2501043Certificate of AnalysisJun 17, 2024 T162811
D2614056Certificate of AnalysisJun 17, 2024 T162811
E2620147Certificate of AnalysisJun 17, 2024 T162811
L2416886Certificate of AnalysisJun 17, 2024 T162811
J2523181Certificate of AnalysisJun 17, 2024 T162811
C2017042Certificate of AnalysisJan 23, 2024 T162811
G23051062Certificate of AnalysisJun 12, 2023 T162811
G23051064Certificate of AnalysisJun 12, 2023 T162811
G23051065Certificate of AnalysisJun 12, 2023 T162811
G23051061Certificate of AnalysisJun 12, 2023 T162811
G23051059Certificate of AnalysisJun 12, 2023 T162811
G23051057Certificate of AnalysisJun 12, 2023 T162811
A2630072Certificate of AnalysisJun 12, 2023 T162811
F2215025Certificate of AnalysisMar 23, 2022 T162811
F2215023Certificate of AnalysisMar 23, 2022 T162811
F2214542Certificate of AnalysisMar 23, 2022 T162811

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Chemical and Physical Properties
SolubilityVery soluble in water.
SensitivityAir Sensitive
Boil Point(°C)129℃/2.5 mmHg
Melt Point(°C)80 °C
Molecular Weight142.180 g/mol
XLogP31.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass142.009 Da
Monoisotopic Mass142.009 Da
Topological Polar Surface Area65.500 Ų
Heavy Atom Count9
Formal Charge0
Complexity114.000
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. Chunfang Wang, Yun Tang, Bihong Zhang, Ziying Zhong, Faqiong Zhao, Baizhao Zeng.  (2023)  Sensitive photoelectrochemical immunosensor for carcinoembryonic antigen detection based on copolymer of thiophene and thiophene-3-acetic acid modified phosphate-doped Bi2WO6.  ANALYTICA CHIMICA ACTA,      [PMID:37179060] [10.1016/j.aca.2023.341243]
2. Jiankai Zhang, Huangzhong Yu.  (2021)  Reduced energy loss enabled by thiophene-based interlayers for high performance and stable perovskite solar cells.  Journal of Materials Chemistry A,  (7): (4138-4149).  [PMID:] [10.1039/D0TA10270A]
3. Yaping Zhang, Gao Si, Yilong Wang, Zhendong Wang, Zutian Li, Haiyan Wei, Huaixia Yang, Fuchun Si, Xiaofei Li.  (2025)  Sensitive Electrochemical Detection of DR1 Based on Electrodeposit AuNPs-Poly(thiophene-3-acetic acid) and Copolymer PLGA.  JOURNAL OF THE ELECTROCHEMICAL SOCIETY,  172  (4): (047501).  [PMID:] [10.1149/1945-7111/adc3cf]
Solution Calculators
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