4,5-Dihydro-3(2H)-thiophenone - ≥98% , CAS No.1003-04-9

CAS: 1003-04-9 Cat. No.: D106839 Molecular Weight: 102.15 Beilstein Registry Number: 105201 EC Number: 213-698-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Tetrahydrothiophen-3-one | Q-100017 | Dihydro-3-(2H)-thiophenone (tetrahydrothiophen-3-one) | DIHYDRO-3(2H)THIOPHENONE, 4,5- | UNII-0E9MKH53DV | 0E9MKH53DV | A800092 | BBL027522 | NSC241151 | NSC-241151 | HY-W010594 | PS-9308 | D3511 | FEMA No. 3266 | STL
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
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Size
Status
Price
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1g
D106839-1g
3
$9.90
5g
D106839-5g
2
$10.90
25g
D106839-25g
1

$13.90

$20.90
Save $7.00 (33.49%)
100g
D106839-100g
3

$30.90

$46.90
Save $16.00 (34.12%)
500g
D106839-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$105.90

$158.90
Save $53.00 (33.35%)
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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,Argon charged Ships Wet ice 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.

Overview

Product Application:

4,5-Dihydro-3(2H)-thiophenone is a volatile organic sulfur compound (VOSC) produced by basidiomycetous yeasts.

Specifications

Synonyms
Tetrahydrothiophen-3-one | Q-100017 | Dihydro-3-(2H)-thiophenone (tetrahydrothiophen-3-one) | DIHYDRO-3(2H)THIOPHENONE, 4, 5- | UNII-0E9MKH53DV | 0E9MKH53DV | A800092 | BBL027522 | NSC241151 | NSC-241151 | HY-W010594 | PS-9308 | D3511 | FEMA No. 3266 | STL
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504753759
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753759
Canonical SmilesC1CSCC1=O
IUPAC Namethiolan-3-one
InChIKeyDSXFPRKPFJRPIB-UHFFFAOYSA-N
INCHI1S/C4H6OS/c5-4-1-2-6-3-4/h1-3H2
Isomeric SMILES C1CSCC1=O
WGK Germany 3
Molecular Weight 102.15
Beilstein 105201
Reaxy-Rn 105201
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=105201&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
ClassThiolanes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentThiolanes
Alternative Parents Cyclic ketones  Dialkylthioethers  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Thiolane - Cyclic ketone - Ketone - Dialkylthioether - Thioether - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thiolanes. These are organic compounds containing thiolane, a five-member saturated ring containing four carbon atoms and a sulfur 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.

6 results found

Lot NumberCertificate TypeDateItem
B2221268Certificate of AnalysisDec 10, 2025 D106839
B2221270Certificate of AnalysisDec 10, 2025 D106839
G2415605Certificate of AnalysisApr 29, 2024 D106839
G2415615Certificate of AnalysisApr 29, 2024 D106839
G1931146Certificate of AnalysisMay 10, 2023 D106839
H1512139Certificate of AnalysisApr 12, 2023 D106839
Chemical and Physical Properties
SensitivityAir Sensitive
Refractive Index1.528
Flash Point(°F)172.4 °F
Flash Point(°C)78 °C
Boil Point(°C)175°C
Molecular Weight102.160 g/mol
XLogP30.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass102.014 Da
Monoisotopic Mass102.014 Da
Topological Polar Surface Area42.400 Ų
Heavy Atom Count6
Formal Charge0
Complexity69.900
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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