5-Ethylthiophene-3-carboxylic acid - ≥95% , CAS No.19156-51-5

CAS: 19156-51-5 Cat. No.: E708736 Molecular Weight: 156.2 PubChem CID: 3561548
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Storage
Room temperature
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Size
Status
Price
Qty
100mg
E708736-100mg
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Specifications & Purity
≥95%
Storage
Room temperature
Purity
≥95%
Names and Identifiers
Canonical SmilesCCC1=CC(=CS1)C(=O)O
IUPAC Name5-ethylthiophene-3-carboxylic acid
InChIKeyWGPALAIKGVKNGT-UHFFFAOYSA-N
INCHI1S/C7H8O2S/c1-2-6-3-5(4-10-6)7(8)9/h3-4H,2H2,1H3,(H,8,9)
Isomeric SMILES CCC1=CC(=CS1)C(=O)O
PubChem CID 3561548
Molecular Weight 156.2

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.

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🔬 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 Heteroaromatic compounds  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Thiophene carboxylic acid - Heteroaromatic compound - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen 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:
Chemical and Physical Properties
Molecular Weight156.200 g/mol
XLogP32.000
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass156.025 Da
Monoisotopic Mass156.025 Da
Topological Polar Surface Area65.500 Ų
Heavy Atom Count10
Formal Charge0
Complexity136.000
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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