6-Chloro-2(1H)-pyrazinone

Name: 6-Chloro-2(1H)-pyrazinone
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CAS No. 4925-61-5
Cat. No. CS-D1605
Purity≥98%
MDL No.MFCD00204104

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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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General Information

CAS No. 4925-61-5
Cat. No. CS-D1605
Purity ≥98%
MDL No. MFCD00204104
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₄H₃ClN₂O
Molecular Weight 130.53
Synonym(s) 6-Chloro-2-hydroxypyrazine; 6-Chloropyrazin-2-ol
SMILES O=C1C=NC=C(Cl)N1

Description

6-Chloro-2(1H)-pyrazinone is a bench-stable, electron-deficient heterocycle featuring a chlorinated pyrazinone core that enables direct functionalization in synthetic sequences. This scaffold integrates readily into medicinal chemistry libraries and serves as a key building block for bioactive molecule development.

Application

6-Chloro-2(1H)-pyrazinone serves as a versatile building block in medicinal chemistry, enabling efficient construction of pyrazinone-based heterocycles. Its chlorine substituent facilitates nucleophilic substitution reactions, allowing straightforward functionalization at C6. The compound exhibits good bench stability and compatibility with common reaction conditions, making it well-suited for use in multi-step syntheses of pharmaceutical intermediates and agrochemical 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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 45.75
LogP 0.4233
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazine compounds

Key Words

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6-Chloro-2(1H)-pyrazinone

CAS No. 4925-61-5

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