4,5-Dichlorothiophene-2-carboxylic acid - ≥98% , CAS No.31166-29-7

CAS: 31166-29-7 Cat. No.: D192659 Molecular Weight: 197.04 EC Number: 695-066-6
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
SY067270 | 2-Thiophenecarboxylic acid, 4,5-dichloro- | 4,5-dichloro-2-thiophenecarboxylic acid | MFCD07366674 | DS-16916 | AKOS000278207 | DTXSID50308220 | EN300-139090 | Z1198171936 | NSC202727 | NSC-202727 | JDBAYLWBVQVMTD-UHFFFAOYSA-N | 4,5-dichloro-th
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
D192659-50mg
≥10
$9.90
250mg
D192659-250mg
8
$10.90
1g
D192659-1g
7

$24.90

$37.90
Save $13.00 (34.30%)
5g
D192659-5g
2

$73.90

$110.90
Save $37.00 (33.36%)
10g
D192659-10g
1

$102.90

$154.90
Save $52.00 (33.57%)
25g
D192659-25g
1

$255.90

$383.90
Save $128.00 (33.34%)
Enter a quantity for the sizes you want to add.
🧪

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.

Specifications

Synonyms
SY067270 | 2-Thiophenecarboxylic acid, 4, 5-dichloro- | 4, 5-dichloro-2-thiophenecarboxylic acid | MFCD07366674 | DS-16916 | AKOS000278207 | DTXSID50308220 | EN300-139090 | Z1198171936 | NSC202727 | NSC-202727 | JDBAYLWBVQVMTD-UHFFFAOYSA-N | 4, 5-dichloro-th
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488189410
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488189410
Canonical SmilesC1=C(SC(=C1Cl)Cl)C(=O)O
IUPAC Name4,5-dichlorothiophene-2-carboxylic acid
InChIKeyJDBAYLWBVQVMTD-UHFFFAOYSA-N
INCHI1S/C5H2Cl2O2S/c6-2-1-3(5(8)9)10-4(2)7/h1H,(H,8,9)
Isomeric SMILES C1=C(SC(=C1Cl)Cl)C(=O)O
Molecular Weight 197.04
Reaxy-Rn 128158
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=128158&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 2,3,5-trisubstituted thiophenes  Aryl chlorides  Heteroaromatic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents 2,3,5-trisubstituted thiophene - Thiophene carboxylic acid - Aryl halide - Aryl chloride - Heteroaromatic compound - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organochloride - 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





Associated Targets(Human)
DAO Tchem D-amino-acid oxidase (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
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.

13 results found

Lot NumberCertificate TypeDateItem
C2619118Certificate of AnalysisMar 24, 2026 D192659
E2306894Certificate of AnalysisFeb 04, 2026 D192659
E2306917Certificate of AnalysisFeb 04, 2026 D192659
E2306918Certificate of AnalysisFeb 04, 2026 D192659
E2306921Certificate of AnalysisFeb 04, 2026 D192659
E2306925Certificate of AnalysisFeb 04, 2026 D192659
E2306926Certificate of AnalysisFeb 04, 2026 D192659
E2306931Certificate of AnalysisFeb 04, 2026 D192659
E2306932Certificate of AnalysisFeb 04, 2026 D192659
E2306936Certificate of AnalysisFeb 04, 2026 D192659
I1810033Certificate of AnalysisApr 10, 2024 D192659
G1810046Certificate of AnalysisFeb 21, 2024 D192659
E1922159Certificate of AnalysisMar 08, 2022 D192659

Show more ⌵

Chemical and Physical Properties
Molecular Weight197.040 g/mol
XLogP33.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass195.915 Da
Monoisotopic Mass195.915 Da
Topological Polar Surface Area65.500 Ų
Heavy Atom Count10
Formal Charge0
Complexity153.000
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. Pengyi Guo, Yu-e Shi, Song Shen, Chengyan Zhou, Jingjing Jiang, Zhenguang Wang.  (2024)  Achieving Efficient Room-Temperature Phosphorescence in the Host–Guest System through Covalent-Bond-Strengthened Hydrogen Bonding.  Journal of Physical Chemistry C,      [PMID:] [10.1021/acs.jpcc.4c00285]
2. Chenglong Ji, Yuncai Gao, Yulu Wang, Ran Li, Yu-e Shi, Zhenguang Wang, Yongqing Zhai.  (2024)  Regulating Room-Temperature Phosphorescence of Organic Luminophores Through Stepwise Stabilization by Coordination and In-Situ Precipitation Reaction.  CHEMISTRY-A EUROPEAN JOURNAL,      [PMID:39567256] [10.1002/chem.202403829]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.