1-Bromo-3-methylimidazo[1,5-a]pyrazine

Name: 1-Bromo-3-methylimidazo[1,5-a]pyrazine
Brand: ChemScene
Availability: InStock
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CAS No. 56481-29-9
Cat. No. CS-0061374
Purity≥97%
MDL No.MFCD09999201

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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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1-Bromo-3-methylimidazo[1,5-a]pyrazine|CS-0061374

Structure of 56481-29-9

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Description

1-Bromo-3-methylimidazo[1,5-a]pyrazine is a heteroaromatic bromide featuring a fused imidazo[1,5-a]pyrazine core with a methyl group at the 3-position. This electron-deficient scaffold enables direct functionalization in cross-coupling reactions, offering high reactivity under palladium catalysis. The molecule exhibits bench-stable handling characteristics and demonstrates compatibility with diverse reaction conditions in medicinal chemistry synthesis.

Application

1-Bromo-3-methylimidazo[1,5-a]pyrazine serves as a versatile heterocyclic building block for medicinal chemistry and materials science applications. Its bromine atom enables efficient Suzuki-Miyaura and Stille coupling reactions, facilitating the construction of biaryl and extended π-conjugated systems. The methyl group enhances solubility and modulates electronic properties, while the fused imidazo[1,5-a]pyrazine core provides structural rigidity and metabolic stability. This compound exhibits good bench stability and is compatible with standard purification techniques, making it well-suited for iterative synthesis in drug discovery and functional molecular design.

General Information

CAS No. 56481-29-9
Cat. No. CS-0061374
Purity ≥97%
MDL No. MFCD09999201
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₆BrN₃
Molecular Weight 212.05
Synonym(s) None
SMILES CC1=NC(Br)=C2C=NC=CN21

Computational Chemistry Data

TPSA 30.19
LogP 1.80022
H_Acceptors 3
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 Imidazole compounds

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazine compounds

Key Words

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1-Bromo-3-methylimidazo[1,5-a]pyrazine

CAS No. 56481-29-9

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