4H-Cyclopenta[2,1-b:3,4-b']dithiophene

Name: 4H-Cyclopenta[2,1-b:3,4-b']dithiophene
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CAS No. 389-58-2
Cat. No. CS-W004498
Molecule weight178.27
Purity≥95%
MDL No.MFCD20133900

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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4H-Cyclopenta[2,1-b:3,4-b']dithiophene|CS-W004498

Structure of 389-58-2

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General Information

CAS No. 389-58-2
Cat. No. CS-W004498
Purity ≥95%
MDL No. MFCD20133900
Storage RT, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₉H₆S₂
Molecular Weight 178.27
Synonym(s) 4H-Cyclopenta[1,2-b:5,4-b']dithiophene
SMILES S1C=CC2=C1C=3SC=CC3C2

Description

4H-Cyclopenta[2,1-b:3,4-b']dithiophene is a fused heterocyclic scaffold featuring two thiophene rings integrated into a cyclopentane core. This electron-rich, planar architecture enhances charge transport properties and facilitates π-conjugation. The molecule exhibits robust thermal stability and excellent film-forming characteristics, making it well-suited for organic semiconductors in optoelectronic devices.

Application

4H-Cyclopenta[2,1-b:3,4-b']dithiophene serves as a robust, electron-rich heterocyclic building block for conjugated materials. Its fused dithiophene core provides enhanced planarity and charge transport properties, enabling efficient incorporation into organic semiconductors. The structure exhibits excellent thermal stability and functional group tolerance, facilitating straightforward derivatization for use in photovoltaic devices and field-effect transistors.

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 0
LogP 3.3808
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Material Science Metal Organic Frameworks Other MOFs Linkers

Material Science Material Building Blocks Small Molecule Semiconductor Building Blocks Thiophenes

Material Science Organic-Inorganic Hybrid Materials Metal Organic Frameworks (MOF) Raw Materials Organic Linker Molecules

Material Science Polymer/Macromolecule Reagents Metal Organic Frameworks (MOF) Raw Materials Organic Linker Molecules

Key Words

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4H-Cyclopenta[2,1-b:3,4-b']dithiophene

CAS No. 389-58-2

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