

share
5-Chloropyrazine-2-Carboxamide CAS NO 21279-64-1
Unit Price:
CAS No.:21279-64-1
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
5-Chloropyrazine-2-Carboxamide is a versatile heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce functionalized pyrazine motifs into their target molecules.
Application
- Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, including kinase inhibitors and other biologically active heterocycles.
- Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that incorporate the pyrazine scaffold.
- Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in coordination chemistry and catalysis.
- Material Science Research: Employed in the development of organic electronic materials and metal-organic frameworks (MOFs) due to its functional groups.
- Custom Synthesis and Contract Manufacturing: A key building block for custom synthesis projects and scale-up services for clients in life sciences.
Basic Information
| Product Name | 5-Chloropyrazine-2-Carboxamide |
| CAS No. | 21279-64-1 |
| Molecular Formula | C5H4ClN3O |
| Molecular Weight | 157.56 g/mol |
| Synonyms | 2-Amino-5-chloropyrazine; 5-Chloro-2-pyrazinecarboxamide; 5-Chloropyrazinecarboxamide; 2-Pyrazinecarboxamide, 5-chloro-; 5-Chloro-2-carbamoylpyrazine; 5-Chloropyrazine-2-carboxylic acid amide; 5-Chloro-2-pyrazinecarboxylic acid amide; 5-Chloro-2-pyrazinecarboxylic acid, amide |
| EINECS | Contact for details |
Quality Control
Our 5-Chloropyrazine-2-Carboxamide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment supports applications requiring high-purity intermediates under cGMP or ISO 9001 standards.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference |
| Assay (HPLC) | ≥98.0% |
| Water Content (KF) | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals | ≤20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


2-Amino-3,5-Dibromopyrazine CAS NO 24241-18-7


Pyrazino[2,1-C][1,2,4]Thiadiazine, 9-[4-(Cyclohexyloxy)Phenyl]-3,4-Dihydro-7-Methyl-, 2,2-Dioxide CAS NO 1358751-06-0


2-Methyl Pyrazine CAS NO 10-98-0


1,1-Dimethyl-4-Phenyl-2,3,5,6-Tetrahydropyrazine CAS NO 114-28-3


3,6-Diphenylpyrazin-2(1H)-One CAS NO 1088-34-2


3-Amino-6-Chloropyrazine-2-Carboxamide CAS NO 1125-56-0


Methyl 3-Amino-6-Bromo-5-Methylpyrazine-2-Carboxylate CAS NO 1131-22-2


Methyl 3-Amino-5-Methoxypyrazine-2-Carboxylate CAS NO 1130-99-0


Methyl 3-Amino-6-Chloro-5-[(Cyclopropylmethyl)Amino]Pyrazine-2-Carboxylate CAS NO 1144-56-5


6-Chloro-3,5-Diaminopyrazine-3-Carboxamide CAS NO 1144-27-0


Methyl 3-Amino-5-(Benzylamino)-6-Chloropyrazine-2-Carboxylate CAS NO 1154-82-1


2-Chlorophenazine5-Oxide CAS NO 1211-09-2


Methyl 3,5-Diamino-6-Chloropyrazine-2-Carboxylate CAS NO 1458-01-1


Methyl 3-Amino-6-Chloropyrazine-2-Carboxylate CAS NO 1458-03-3


3-Amino-6-Iodopyrazine-2-Carboxylic Acid Methyl Ester CAS NO 1458-16-8


Methyl 3-Amino-5,6-Dichloro-2-Pyrazinecarboxylate CAS NO 1458-18-0


Methyl 3,5-Diaminopyrazine-2-Carboxylate CAS NO 1458-19-1


Methyl 3,5-Diamino-6-Bromopyrazine-2-Carboxylate CAS NO 1458-20-4


(6E)-8-Ethyl-2-Ethylamino-6-(Hydroxy-Methoxy-Methylidene)-5H-Pteridin- 7-One CAS NO 1471-78-9


n-(Morpholinomethyl)Pyrazinecarboxamide Monohydrochloride CAS NO 1473-73-0
why choose us
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






