6,8-Dichloropyrido[2,3-b]pyrazine

Name: 6,8-Dichloropyrido[2,3-b]pyrazine
Brand: ChemScene
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CAS No. 1283075-60-4
Cat. No. CS-0068252
Purity≥97%
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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6,8-Dichloropyrido[2,3-b]pyrazine|CS-0068252

Structure of 1283075-60-4

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General Information

CAS No. 1283075-60-4
Cat. No. CS-0068252
Purity ≥97%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₃Cl₂N₃
Molecular Weight 200.02
Synonym(s) None
SMILES ClC1=C2C(N=CC=N2)=NC(Cl)=C1

Description

6,8-Dichloropyrido[2,3-b]pyrazine is a heteroaromatic scaffold featuring two chlorine substituents at electron-deficient positions, enabling direct functionalization in cross-coupling reactions. This stable, bench-ready core integrates readily into pharmaceutical intermediates and agrochemicals, offering enhanced reactivity profiles for complex molecular architectures.

Application

6,8-Dichloropyrido[2,3-b]pyrazine serves as a versatile heterocyclic building block for medicinal chemistry and catalytic cross-coupling applications. The dichloro substitution pattern enables selective Pd-catalyzed coupling reactions at either position, facilitating the construction of complex biaryl architectures. Its stability under standard reaction conditions and compatibility with diverse functional groups make it well-suited for iterative synthesis workflows in API development.

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 : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501

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Computational Chemistry Data

TPSA 38.67
LogP 2.3316
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazine compounds

Key Words

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6,8-Dichloropyrido[2,3-b]pyrazine

CAS No. 1283075-60-4

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