6-Bromo-3-chloropyrazin-2(1H)-one

Name: 6-Bromo-3-chloropyrazin-2(1H)-one
Brand: ChemScene
Availability: InStock
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CAS No. 1410166-55-0
Cat. No. CS-0532657
Purity≥95%
MDL No.None

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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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*For research and further manufacturing use only, not for direct human use.

6-Bromo-3-chloropyrazin-2(1H)-one|CS-0532657

Structure of 1410166-55-0

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General Information

CAS No. 1410166-55-0
Cat. No. CS-0532657
Purity ≥95%
MDL No. None
Storage 4°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄H₂BrClN₂O
Molecular Weight 209.43
Synonym(s) None
SMILES O=C1C(Cl)=NC=C(Br)N1

Description

6-Bromo-3-chloropyrazin-2(1H)-one features a dual-halogenated pyrazinone core, enabling direct functionalization in cross-coupling reactions. The electron-deficient heterocycle facilitates nucleophilic substitution, while the bench-stable structure supports handling under standard conditions. This scaffold serves as a key intermediate for bioactive molecule synthesis.

Application

6-Bromo-3-chloropyrazin-2(1H)-one serves as a versatile building block in heterocyclic synthesis, enabling selective functionalization at C6 and C3 positions. Its dual halogenation pattern facilitates palladium-catalyzed cross-coupling reactions and sequential derivatization, offering high stability under standard bench conditions. The compound exhibits excellent functional group tolerance and is readily purified by recrystallization, making it ideal for use in medicinal chemistry campaigns targeting pyrazine-based scaffolds.

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-P330-P362+P364-P405-P501

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Computational Chemistry Data

TPSA 45.75
LogP 1.1858
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazine compounds

Key Words

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6-Bromo-3-chloropyrazin-2(1H)-one

CAS No. 1410166-55-0

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