4-(Ethylthio)benzoic acid - ≥97% , CAS No.13205-49-7

CAS: 13205-49-7 Cat. No.: E166949 Molecular Weight: 182.24 EC Number: 236-172-0
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
Z228030812 | EINECS 236-172-0 | SCHEMBL504032 | TS-02544 | 4-(Ethylthio)benzoic acid, 99% | NSC 138415 | AT20800 | LDYCQBKCUOVGDA-UHFFFAOYSA-N | J-006114 | NSC138415 | NSC-138415 | 4-(ETHYLTHIO)BENZOICACID | 4-(ethylsulfanyl)benzoic acid | 4-ethylsulfanyl
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
E166949-1g
4
$81.90
5g
E166949-5g
5
$295.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature 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.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Z228030812 | EINECS 236-172-0 | SCHEMBL504032 | TS-02544 | 4-(Ethylthio)benzoic acid, 99% | NSC 138415 | AT20800 | LDYCQBKCUOVGDA-UHFFFAOYSA-N | J-006114 | NSC138415 | NSC-138415 | 4-(ETHYLTHIO)BENZOICACID | 4-(ethylsulfanyl)benzoic acid | 4-ethylsulfanyl
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504755661
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755661
Canonical SmilesCCSC1=CC=C(C=C1)C(=O)O
IUPAC Name4-ethylsulfanylbenzoic acid
InChIKeyLDYCQBKCUOVGDA-UHFFFAOYSA-N
INCHI1S/C9H10O2S/c1-2-12-8-5-3-7(4-6-8)9(10)11/h3-6H,2H2,1H3,(H,10,11)
Isomeric SMILES CCSC1=CC=C(C=C1)C(=O)O
WGK Germany 3
Molecular Weight 182.24
Reaxy-Rn 2084037
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2084037&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.

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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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Sulfanylbenzoic acids and derivatives - P-sulfanylbenzoic acids and derivatives
Direct ParentP-sulfanylbenzoic acids
Alternative Parents Benzoic acids  Thiophenol ethers  Benzoyl derivatives  Alkylarylthioethers  Sulfenyl compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents P-sulfanylbenzoic acid - Benzoic acid - Aryl thioether - Benzoyl - Thiophenol ether - Alkylarylthioether - Thioether - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Sulfenyl compound - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organic oxide - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as p-sulfanylbenzoic acids. These are benzoic acids which bear a sulfanyl group (R-SH) attached to the benzene ring at positions 1 and 4, respectively.
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.

2 results found

Lot NumberCertificate TypeDateItem
I2207468Certificate of AnalysisJun 11, 2026 E166949
I2207469Certificate of AnalysisJun 11, 2026 E166949
Chemical and Physical Properties
Melt Point(°C)145-147°C
Molecular Weight182.240 g/mol
XLogP33.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass182.04 Da
Monoisotopic Mass182.04 Da
Topological Polar Surface Area62.600 Ų
Heavy Atom Count12
Formal Charge0
Complexity151.000
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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