Pyrazines

Aromatic organic heterocyclic compounds that consist of a six-membered ring with four carbon atoms and two nitrogen atoms at opposite positions of the ring, making this ring symmetrical.

1 – 15 of 1,203 results

2-Methoxypyrazine, 95%, Thermo Scientific™

CAS: 3149-28-8 Molecular Formula: C₅H₆N₂O Molecular Weight (g/mol): 110.12 InChI Key: WKSXRWSOSLGSTN-UHFFFAOYSA-N Synonym: pyrazine, methoxy,methoxypyrazine,2-methoxy-1,4-diazine,pyrazine, 2-methoxy,2-methoxy-pyrazine,unii-ryd35t7f4t,2-methoxy pyrazine,fema no. 3302,ryd35t7f4t,methoxy-pyrazine PubChem CID: 18467 IUPAC Name: 2-methoxypyrazine SMILES: COC1=NC=CN=C1

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PubChem CID	18467
CAS	3149-28-8
Molecular Weight (g/mol)	110.12
SMILES	COC1=NC=CN=C1
Synonym	pyrazine, methoxy,methoxypyrazine,2-methoxy-1,4-diazine,pyrazine, 2-methoxy,2-methoxy-pyrazine,unii-ryd35t7f4t,2-methoxy pyrazine,fema no. 3302,ryd35t7f4t,methoxy-pyrazine
IUPAC Name	2-methoxypyrazine
InChI Key	WKSXRWSOSLGSTN-UHFFFAOYSA-N
Molecular Formula	C₅H₆N₂O

2,5-Pyrazinedicarboxylic acid hydrate, 97%

CAS: 122-05-4 Molecular Formula: C₆H₄N₂O₄·₂H₂O Molecular Weight (g/mol): 204.14 MDL Number: MFCD00216919 InChI Key: KOUKXHPPRFNWPP-UHFFFAOYSA-N Synonym: pyrazine-2,5-dicarboxylic acid hydrate,2,5-pyrazinedicarboxylic acid dihydrate PubChem CID: 73553845 IUPAC Name: pyrazine-2,5-dicarboxylic acid;hydrate SMILES: C1=C(N=CC(=N1)C(=O)O)C(=O)O.O

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PubChem CID	73553845
CAS	122-05-4
Molecular Weight (g/mol)	204.14
MDL Number	MFCD00216919
SMILES	C1=C(N=CC(=N1)C(=O)O)C(=O)O.O
Synonym	pyrazine-2,5-dicarboxylic acid hydrate,2,5-pyrazinedicarboxylic acid dihydrate
IUPAC Name	pyrazine-2,5-dicarboxylic acid;hydrate
InChI Key	KOUKXHPPRFNWPP-UHFFFAOYSA-N
Molecular Formula	C₆H₄N₂O₄·₂H₂O

Methyl 3-amino-5,6-dichloro-2-pyrazinecarboxylate, 98%, Thermo Scientific Chemicals

CAS: 1458-18-0 MDL Number: MFCD00010431 InChI Key: USYMCUGEGUFUBI-UHFFFAOYSA-N Synonym: methyl 3-amino-5,6-dichloro-2-pyrazinecarboxylate,pyrazinecarboxylic acid, 3-amino-5,6-dichloro-, methyl ester,3-amino-5,6-dichloro-2-pyrazinecarboxylic acid methyl ester,3-amino-5,6-dichloro-pyrazine-2-carboxylic acid methyl ester,acmc-1bujh,dsstox_cid_31434,dsstox_rid_97320,dsstox_gsid_57645,methyl 3-amino-5,6-dichloropyrazinoate,methyl 3-amino-5,6-dichloropyrazinecarboxylate PubChem CID: 73828 IUPAC Name: methyl 3-amino-5,6-dichloropyrazine-2-carboxylate SMILES: COC(=O)C1=C(N=C(C(=N1)Cl)Cl)N

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PubChem CID	73828
CAS	1458-18-0
MDL Number	MFCD00010431
SMILES	COC(=O)C1=C(N=C(C(=N1)Cl)Cl)N
Synonym	methyl 3-amino-5,6-dichloro-2-pyrazinecarboxylate,pyrazinecarboxylic acid, 3-amino-5,6-dichloro-, methyl ester,3-amino-5,6-dichloro-2-pyrazinecarboxylic acid methyl ester,3-amino-5,6-dichloro-pyrazine-2-carboxylic acid methyl ester,acmc-1bujh,dsstox_cid_31434,dsstox_rid_97320,dsstox_gsid_57645,methyl 3-amino-5,6-dichloropyrazinoate,methyl 3-amino-5,6-dichloropyrazinecarboxylate
IUPAC Name	methyl 3-amino-5,6-dichloropyrazine-2-carboxylate
InChI Key	USYMCUGEGUFUBI-UHFFFAOYSA-N

1,4-Diformylpiperazine, Spectrum™ Chemical

CAS: 4164-39-0

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CAS	4164-39-0

2-Pyrazinecarboxylic Acid, Spectrum™ Chemical

CAS: 98-97-5

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Specifications

CAS	98-97-5

Piperazine, Hexahydrate, Spectrum™ Chemical

CAS: 142-63-2

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CAS	142-63-2

2,3-Dicyanopyrazine, Thermo Scientific Chemicals

CAS: 13481-25-9 Molecular Formula: C6H2N4 Molecular Weight (g/mol): 130.11 InChI Key: OTVZGAXESBAAQQ-UHFFFAOYSA-N IUPAC Name: pyrazine-2,3-dicarbonitrile SMILES: N#CC1=NC=CN=C1C#N

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CAS	13481-25-9
Molecular Weight (g/mol)	130.11
SMILES	N#CC1=NC=CN=C1C#N
IUPAC Name	pyrazine-2,3-dicarbonitrile
InChI Key	OTVZGAXESBAAQQ-UHFFFAOYSA-N
Molecular Formula	C6H2N4

2-Quinoxalinecarboxylic acid, 97%, Thermo Scientific™

CAS: 879-65-2 Molecular Formula: C9H6N2O2 Molecular Weight (g/mol): 174.16 MDL Number: MFCD00012334 InChI Key: UPUZGXILYFKSGE-UHFFFAOYSA-N Synonym: 2-quinoxalinecarboxylic acid,2-quinoxalinecarboxylicacid,unii-m5oe8sn42m,2-carboxyquinoxaline,m5oe8sn42m,2-qca,pubchem9776,carbadox metabolite,acmc-1bl7g,quinoxaline carboxylic acid PubChem CID: 96695 IUPAC Name: quinoxaline-2-carboxylic acid SMILES: OC(=O)C1=CN=C2C=CC=CC2=N1

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PubChem CID	96695
CAS	879-65-2
Molecular Weight (g/mol)	174.16
MDL Number	MFCD00012334
SMILES	OC(=O)C1=CN=C2C=CC=CC2=N1
Synonym	2-quinoxalinecarboxylic acid,2-quinoxalinecarboxylicacid,unii-m5oe8sn42m,2-carboxyquinoxaline,m5oe8sn42m,2-qca,pubchem9776,carbadox metabolite,acmc-1bl7g,quinoxaline carboxylic acid
IUPAC Name	quinoxaline-2-carboxylic acid
InChI Key	UPUZGXILYFKSGE-UHFFFAOYSA-N
Molecular Formula	C9H6N2O2

2-Amino-6-chloropyrazine, 95%

CAS: 33332-28-4 Molecular Formula: C4H4ClN3 Molecular Weight (g/mol): 129.547 MDL Number: MFCD00055024 InChI Key: JTPXVCKCLBROOJ-UHFFFAOYSA-N Synonym: 2-amino-6-chloropyrazine,2-chloro-6-aminopyrazine,2-pyrazinamine, 6-chloro,pyrazinamine, 6-chloro,6-chloro-pyrazin-2-ylamine,6-chloro-2-pyrazinamine,6-chloropyrazin-2-ylamine,2-amino-6-chloro-pyrazine,6-chloropyrazine-2-ylamine,6-amino-2-chloropyrazine PubChem CID: 118458 IUPAC Name: 6-chloropyrazin-2-amine SMILES: C1=C(N=C(C=N1)Cl)N

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PubChem CID	118458
CAS	33332-28-4
Molecular Weight (g/mol)	129.547
MDL Number	MFCD00055024
SMILES	C1=C(N=C(C=N1)Cl)N
Synonym	2-amino-6-chloropyrazine,2-chloro-6-aminopyrazine,2-pyrazinamine, 6-chloro,pyrazinamine, 6-chloro,6-chloro-pyrazin-2-ylamine,6-chloro-2-pyrazinamine,6-chloropyrazin-2-ylamine,2-amino-6-chloro-pyrazine,6-chloropyrazine-2-ylamine,6-amino-2-chloropyrazine
IUPAC Name	6-chloropyrazin-2-amine
InChI Key	JTPXVCKCLBROOJ-UHFFFAOYSA-N
Molecular Formula	C4H4ClN3

5-Bromopyrazine-2-carboxylic acid, 95%

CAS: 876161-05-6 Molecular Formula: C5H3BrN2O2 Molecular Weight (g/mol): 203.00 MDL Number: MFCD09909672 InChI Key: NPJHCKULJAIWGV-UHFFFAOYSA-N PubChem CID: 18779790 IUPAC Name: 5-bromopyrazine-2-carboxylic acid SMILES: OC(=O)C1=CN=C(Br)C=N1

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PubChem CID	18779790
CAS	876161-05-6
Molecular Weight (g/mol)	203.00
MDL Number	MFCD09909672
SMILES	OC(=O)C1=CN=C(Br)C=N1
IUPAC Name	5-bromopyrazine-2-carboxylic acid
InChI Key	NPJHCKULJAIWGV-UHFFFAOYSA-N
Molecular Formula	C5H3BrN2O2

5-Aminopyrazine-2-carboxylic acid, 95%

CAS: 40155-43-9 Molecular Formula: C5H5N3O2 Molecular Weight (g/mol): 139.114 MDL Number: MFCD07371664 InChI Key: FMEFOOOBIHQRMK-UHFFFAOYSA-N Synonym: 5-amino-2-pyrazinecarboxylic acid,2-amino-5-pyrazinecarboxylic acid,pyrazinecarboxylic acid, 5-amino,5-amino-pyrazine-2-carboxylic acid,5-aminopyrazine-2-carboxylicacid,5-amino-pyrazine-2-carboxylicacid,pubchem7866,5-amino-pyrazinecarboxylic acid,2-amino-5-pirazinecarboxylic acid PubChem CID: 21897334 IUPAC Name: 5-aminopyrazine-2-carboxylic acid SMILES: C1=C(N=CC(=N1)N)C(=O)O

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PubChem CID	21897334
CAS	40155-43-9
Molecular Weight (g/mol)	139.114
MDL Number	MFCD07371664
SMILES	C1=C(N=CC(=N1)N)C(=O)O
Synonym	5-amino-2-pyrazinecarboxylic acid,2-amino-5-pyrazinecarboxylic acid,pyrazinecarboxylic acid, 5-amino,5-amino-pyrazine-2-carboxylic acid,5-aminopyrazine-2-carboxylicacid,5-amino-pyrazine-2-carboxylicacid,pubchem7866,5-amino-pyrazinecarboxylic acid,2-amino-5-pirazinecarboxylic acid
IUPAC Name	5-aminopyrazine-2-carboxylic acid
InChI Key	FMEFOOOBIHQRMK-UHFFFAOYSA-N
Molecular Formula	C5H5N3O2

2-Methoxy-3-methylpyrazine, 99%

CAS: 2847-30-5 Molecular Formula: C6H8N2O Molecular Weight (g/mol): 124.143 MDL Number: MFCD00006127 InChI Key: VKJIAEQRKBQLLA-UHFFFAOYSA-N Synonym: pyrazine, 2-methoxy-3-methyl,2-methyl-3-methoxypyrazine,2-methoxy-3-methyl-pyrazine,2-methoxy-3-methyl pyrazine,unii-04o7cn9q85,pyrazine, 2-methoxy-3 or 5-methyl,pyrazine, 2-methyl-3-methoxy,almond pyrazine,2-methoxy-3 or5-methylpyrazine,chocolate pyrazine a PubChem CID: 17898 IUPAC Name: 2-methoxy-3-methylpyrazine SMILES: CC1=NC=CN=C1OC

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PubChem CID	17898
CAS	2847-30-5
Molecular Weight (g/mol)	124.143
MDL Number	MFCD00006127
SMILES	CC1=NC=CN=C1OC
Synonym	pyrazine, 2-methoxy-3-methyl,2-methyl-3-methoxypyrazine,2-methoxy-3-methyl-pyrazine,2-methoxy-3-methyl pyrazine,unii-04o7cn9q85,pyrazine, 2-methoxy-3 or 5-methyl,pyrazine, 2-methyl-3-methoxy,almond pyrazine,2-methoxy-3 or5-methylpyrazine,chocolate pyrazine a
IUPAC Name	2-methoxy-3-methylpyrazine
InChI Key	VKJIAEQRKBQLLA-UHFFFAOYSA-N
Molecular Formula	C6H8N2O

2-Aminopyrazine, 99%

CAS: 5049-61-6 Molecular Formula: C4H5N3 Molecular Weight (g/mol): 95.105 MDL Number: MFCD00006137 InChI Key: XFTQRUTUGRCSGO-UHFFFAOYSA-N Synonym: 2-aminopyrazine,aminopyrazine,pyrazinamine,2-pyrazinamine,pyrazin-2-ylamine,pyrazine-2-ylamine,pyrazine, 2-amino,amino pyrazine,3-aminopyrazine,iminopyrazine PubChem CID: 78747 IUPAC Name: pyrazin-2-amine SMILES: C1=CN=C(C=N1)N

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PubChem CID	78747
CAS	5049-61-6
Molecular Weight (g/mol)	95.105
MDL Number	MFCD00006137
SMILES	C1=CN=C(C=N1)N
Synonym	2-aminopyrazine,aminopyrazine,pyrazinamine,2-pyrazinamine,pyrazin-2-ylamine,pyrazine-2-ylamine,pyrazine, 2-amino,amino pyrazine,3-aminopyrazine,iminopyrazine
IUPAC Name	pyrazin-2-amine
InChI Key	XFTQRUTUGRCSGO-UHFFFAOYSA-N
Molecular Formula	C4H5N3

Pyrazine-2-carboxylic acid, 99%

CAS: 98-97-5 Molecular Formula: C5H4N2O2 Molecular Weight (g/mol): 124.099 MDL Number: MFCD00006130 InChI Key: NIPZZXUFJPQHNH-UHFFFAOYSA-N Synonym: 2-pyrazinecarboxylic acid,pyrazinoic acid,pyrazinecarboxylic acid,pyrazinic acid,2-carboxypyrazine,paradiazinecarboxylic acid,pyrazinemonocarboxylic acid,2-pyrazinoic acid,2-pyrazine carboxylic acid,piazinecarboxylic acid PubChem CID: 1047 ChEBI: CHEBI:71311 IUPAC Name: pyrazine-2-carboxylic acid SMILES: C1=CN=C(C=N1)C(=O)O

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PubChem CID	1047
CAS	98-97-5
Molecular Weight (g/mol)	124.099
ChEBI	CHEBI:71311
MDL Number	MFCD00006130
SMILES	C1=CN=C(C=N1)C(=O)O
Synonym	2-pyrazinecarboxylic acid,pyrazinoic acid,pyrazinecarboxylic acid,pyrazinic acid,2-carboxypyrazine,paradiazinecarboxylic acid,pyrazinemonocarboxylic acid,2-pyrazinoic acid,2-pyrazine carboxylic acid,piazinecarboxylic acid
IUPAC Name	pyrazine-2-carboxylic acid
InChI Key	NIPZZXUFJPQHNH-UHFFFAOYSA-N
Molecular Formula	C5H4N2O2

Ethyl 5-chloropyrazine-2-carboxylate, 95%, Thermo Scientific Chemicals

CAS: 54013-04-6 Molecular Formula: C7H7ClN2O2 Molecular Weight (g/mol): 186.60 MDL Number: MFCD18070850 InChI Key: CFKGDFQQELWOHA-UHFFFAOYSA-N Synonym: ethyl 5-chloropyrazinoate,pyrazinecarboxylic acid, 5-chloro-, ethyl ester,ethyl 5-chloro-2-pyrazinecarboxylate,ethyl5-chloropyrazine-2-carboxylate,5-chloro-2-pyrazinecarboxylic acid ethyl ester PubChem CID: 465025 IUPAC Name: ethyl 5-chloropyrazine-2-carboxylate SMILES: CCOC(=O)C1=CN=C(Cl)C=N1

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PubChem CID	465025
CAS	54013-04-6
Molecular Weight (g/mol)	186.60
MDL Number	MFCD18070850
SMILES	CCOC(=O)C1=CN=C(Cl)C=N1
Synonym	ethyl 5-chloropyrazinoate,pyrazinecarboxylic acid, 5-chloro-, ethyl ester,ethyl 5-chloro-2-pyrazinecarboxylate,ethyl5-chloropyrazine-2-carboxylate,5-chloro-2-pyrazinecarboxylic acid ethyl ester
IUPAC Name	ethyl 5-chloropyrazine-2-carboxylate
InChI Key	CFKGDFQQELWOHA-UHFFFAOYSA-N
Molecular Formula	C7H7ClN2O2

Pyrazines

Pyrazines

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1,4-Diformylpiperazine, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2-Pyrazinecarboxylic Acid, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Piperazine, Hexahydrate, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

1,4-Diformylpiperazine, Spectrum™ Chemical

2-Pyrazinecarboxylic Acid, Spectrum™ Chemical

Piperazine, Hexahydrate, Spectrum™ Chemical