ChemicalBook >> CAS DataBase List >>3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564)

3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564)

3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) structure

CAS No.: 43200-83-5

Chemical Name:: 3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564)

Synonyms: Zopiclone Impurity 6;Eszopiclone Impurity 7;3-(2-chloropyridin-4-ylcarbamoyl)pyrazine-2-carboxylic acid;3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564);2-Pyrazinecarboxylic acid, 3-[[(5-chloro-2-pyridinyl)amino]carbonyl]-

CBNumber:: CB33368744

Molecular Formula:: C11H7ClN4O3

Molecular Weight:: 278.65

MDL Number:

MOL File:: 43200-83-5.mol

Last updated:2026-09-12 18:51:59

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3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) Properties

Melting point	206-208 °C
Boiling point	428.5±45.0 °C(Predicted)
Density	1.615±0.06 g/cm3(Predicted)
pka	2.24±0.36(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H335-H315-H302-H319
Precautionary statements	P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501
REACH Registrations	Active

3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA018WFE	3-[[(5-Chloro-2-pyridinyl)amino]carbonyl]-2-pyrazinecarboxylic Acid	43200-83-5	10mg	$283	2026-05-29	Buy
aablocks	AA018WFE	3-[[(5-Chloro-2-pyridinyl)amino]carbonyl]-2-pyrazinecarboxylic Acid	43200-83-5	50mg	$327	2026-05-29	Buy
aablocks	AA018WFE	3-[[(5-Chloro-2-pyridinyl)amino]carbonyl]-2-pyrazinecarboxylic Acid	43200-83-5	100mg	$362	2026-05-29	Buy
aablocks	AA018WFE	3-[[(5-Chloro-2-pyridinyl)amino]carbonyl]-2-pyrazinecarboxylic Acid	43200-83-5	500mg	$517	2026-05-29	Buy
aablocks	AA018WFE	3-[[(5-Chloro-2-pyridinyl)amino]carbonyl]-2-pyrazinecarboxylic Acid	43200-83-5	1g	$639	2026-05-29	Buy

Product number	Packaging	Price	Buy
AA018WFE	10mg	$283	Buy
AA018WFE	50mg	$327	Buy
AA018WFE	100mg	$362	Buy
AA018WFE	500mg	$517	Buy
AA018WFE	1g	$639	Buy

3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) Chemical Properties, Uses, Production

Uses

3-[[(5-Chloro-2-pyridinyl)amino]carbonyl]-2-pyrazinecarboxylic acid is an impurity of Zopiclone (Z700500, a cyclopyrrolone member of a family of non-benzodiazepine GABAA receptor agonists. This is a controlled substance (depressant) in the US but not in Canada. Sedative, hypnotic.

3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) synthesis

Synthesis of 3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) from 2-Amino-5-chloropyridine and 2,3-Pyrazinecarboxylic anhydride

3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) Preparation Products And Raw materials

Raw materials

Preparation Products

Zopiclone

3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) Suppliers

Global Suppliers ( 27)

Supplier	Tel	Email	Country	ProdList	Advantage
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56
Nanjing XiZe Biotechnology CO., Ltd.	025-66023220 15250997978	1511893459@qq.com	China	4777	55
Chengdu Novel Biomedical Co., Ltd.	028-85255396 18302801538	cdnovell@163.com	China	2444	58
LinkChem Technology Co., Ltd.	021-58950110 13124863828	sales@linkchem.cn	China	2996	58
Jinan Yaoyan Pharmaceutical Co., Ltd.		jnyaoyan@163.com	China	3057	58
Shenzhen Botel Biotechnology Co. Ltd.	13316949107 13316968096	1979313431@qq.com	China	9619	58
Chengdu MassCale Pharmaceutical Co., Ltd.	028-84552636 18084815636	chensfsc@126.com	China	1440	58
Nanjing Meihao Pharmaceutical Technology Co., Ltd.	meitaochem@126.com	meitaochem@126.com	China	19087	58
Cato Research Chemicals Inc.	+86-020-81960175-877 4000-868-328;4000-868-328	tianwen.zhan@cato-chem.com	United States	10384	58

Supplier	Advantage
Adamas Reagent, Ltd.	59
Quality Control Solutions Ltd.	56
Nanjing XiZe Biotechnology CO., Ltd.	55
Chengdu Novel Biomedical Co., Ltd.	58
LinkChem Technology Co., Ltd.	58
Jinan Yaoyan Pharmaceutical Co., Ltd.	58
Shenzhen Botel Biotechnology Co. Ltd.	58
Chengdu MassCale Pharmaceutical Co., Ltd.	58
Nanjing Meihao Pharmaceutical Technology Co., Ltd.	58
Cato Research Chemicals Inc.	58

43200-83-5 (3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564)) Related Search:

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1of4

Zopiclone Impurity 6 3-(2-chloropyridin-4-ylcarbamoyl)pyrazine-2-carboxylic acid Eszopiclone Impurity 7 2-Pyrazinecarboxylic acid, 3-[[(5-chloro-2-pyridinyl)amino]carbonyl]- 3-(5-Chloropyrid-2-yl)carbamoylpyrazine-2-carboxylic acid(WXG01564) 43200-83-5