3-Bromo-4-methylthiophene

Name: 3-Bromo-4-methylthiophene
Brand: ChemScene
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CAS No. 30318-99-1
Cat. No. CS-W008032
Purity≥97%
MDL No.MFCD00130084

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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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Structure of 30318-99-1

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Description

3-Bromo-4-methylthiophene is a bench-stable, moisture-tolerant heterocyclic building block featuring a bromine at the 3-position and a methyl group at the 4-position on the thiophene ring. This electronic configuration enables efficient palladium-catalyzed coupling reactions, facilitating the construction of complex conjugated architectures in materials science and pharmaceutical synthesis.

Application

3-Bromo-4-methylthiophene serves as a versatile building block in the synthesis of functionalized thiophenes, enabling palladium-catalyzed cross-coupling reactions with broad functional group tolerance. The bromo substituent facilitates Suzuki, Stille, and Negishi couplings, while the methylthio group offers a handle for selective oxidation or further derivatization. This compound exhibits excellent bench stability and is readily purified by distillation, making it ideal for iterative synthetic workflows in medicinal chemistry and materials science.

General Information

CAS No. 30318-99-1
Cat. No. CS-W008032
Purity ≥97%
MDL No. MFCD00130084
Storage -20°C, protect from light, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₅BrS
Molecular Weight 177.06
Synonym(s) 3-Methyl-4-bromothiophene; 3-Bromo-4-methylthiophene
SMILES CC1=CSC=C1Br

Computational Chemistry Data

TPSA 0
LogP 2.81902
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

Safety Information

Download SDS

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

Quality Control

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Thiophene compounds

Key Words

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3-Bromo-4-methylthiophene

CAS No. 30318-99-1

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