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 1,381 results

Methyl 3-amino-5,6-dichloropyrazine-2-carboxylate, 97%

CAS: 1458-18-0 Molecular Formula: C6H5Cl2N3O2 Molecular Weight (g/mol): 222.025 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
Molecular Weight (g/mol)	222.025
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
Molecular Formula	C6H5Cl2N3O2

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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Specifications

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

2,5-Pyrazinedicarboxylic acid hydrate, 97%

CAS: 205692-63-3 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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Specifications

PubChem CID	73553845
CAS	205692-63-3
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

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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Specifications

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-Amino-5-chloropyrazine, 95%

CAS: 33332-29-5 Molecular Formula: C4H4ClN3 Molecular Weight (g/mol): 129.547 MDL Number: MFCD03423596 InChI Key: HWCKAMAVEWVBDO-UHFFFAOYSA-N Synonym: 2-amino-5-chloropyrazine,pyrazinamine, 5-chloro,5-amino-2-chloropyrazine,5-chloro-pyrazin-2-ylamine,2-amino-5-chloro-1,4-diazine,pubchem17501,acmc-1cix9,5-chloro-2-amino-pyrazine,5-chloro-2-pyrazinamine,3-amino-6-chloropyrazine PubChem CID: 12808419 IUPAC Name: 5-chloropyrazin-2-amine SMILES: C1=C(N=CC(=N1)Cl)N

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Specifications

PubChem CID	12808419
CAS	33332-29-5
Molecular Weight (g/mol)	129.547
MDL Number	MFCD03423596
SMILES	C1=C(N=CC(=N1)Cl)N
Synonym	2-amino-5-chloropyrazine,pyrazinamine, 5-chloro,5-amino-2-chloropyrazine,5-chloro-pyrazin-2-ylamine,2-amino-5-chloro-1,4-diazine,pubchem17501,acmc-1cix9,5-chloro-2-amino-pyrazine,5-chloro-2-pyrazinamine,3-amino-6-chloropyrazine
IUPAC Name	5-chloropyrazin-2-amine
InChI Key	HWCKAMAVEWVBDO-UHFFFAOYSA-N
Molecular Formula	C4H4ClN3

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

CAS: 54013-06-8 Molecular Formula: C7H9N3O2 Molecular Weight (g/mol): 167.17 MDL Number: MFCD08437665 InChI Key: BLPDHDYKCBRILY-UHFFFAOYSA-N PubChem CID: 22271413 IUPAC Name: ethyl 5-aminopyrazine-2-carboxylate SMILES: CCOC(=O)C1=CN=C(N)C=N1

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Specifications

PubChem CID	22271413
CAS	54013-06-8
Molecular Weight (g/mol)	167.17
MDL Number	MFCD08437665
SMILES	CCOC(=O)C1=CN=C(N)C=N1
IUPAC Name	ethyl 5-aminopyrazine-2-carboxylate
InChI Key	BLPDHDYKCBRILY-UHFFFAOYSA-N
Molecular Formula	C7H9N3O2

5-Methylpyrazine-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 5521-55-1 Molecular Formula: C6H6N2O2 Molecular Weight (g/mol): 138.126 MDL Number: MFCD00068241 InChI Key: RBYJWCRKFLGNDB-UHFFFAOYSA-N Synonym: 5-methyl-2-pyrazinecarboxylic acid,2-methylpyrazine-5-carboxylic acid,pyrazinecarboxylic acid, 5-methyl,unii-b861rs5nhi,5-methylpyrazinecarboxylic acid,5-methyl pyrazine-2-carboxylic acid,5-methyl-pyrazine-2-carboxylic acid,2-carboxy-5-methylpyrazine,2-methyl-5-pyrazinoic acid,b861rs5nhi PubChem CID: 122831 IUPAC Name: 5-methylpyrazine-2-carboxylic acid SMILES: CC1=NC=C(N=C1)C(=O)O

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Specifications

PubChem CID	122831
CAS	5521-55-1
Molecular Weight (g/mol)	138.126
MDL Number	MFCD00068241
SMILES	CC1=NC=C(N=C1)C(=O)O
Synonym	5-methyl-2-pyrazinecarboxylic acid,2-methylpyrazine-5-carboxylic acid,pyrazinecarboxylic acid, 5-methyl,unii-b861rs5nhi,5-methylpyrazinecarboxylic acid,5-methyl pyrazine-2-carboxylic acid,5-methyl-pyrazine-2-carboxylic acid,2-carboxy-5-methylpyrazine,2-methyl-5-pyrazinoic acid,b861rs5nhi
IUPAC Name	5-methylpyrazine-2-carboxylic acid
InChI Key	RBYJWCRKFLGNDB-UHFFFAOYSA-N
Molecular Formula	C6H6N2O2

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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Specifications

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

CGS 12066B dimaleate, 98+%, Thermo Scientific Chemicals

CAS: 109028-10-6 Molecular Formula: C25H25F3N4O8 Molecular Weight (g/mol): 566.49 MDL Number: MFCD00055048 InChI Key: HTEVMLYDEWVIQE-LVEZLNDCSA-N Synonym: cgs 12066b dimaleate,1-methyl-4-7-trifluoromethyl pyrrolo 1,2-a quinoxalin-4-yl piperazine; bis butenedioic acid PubChem CID: 71299720 IUPAC Name: (E)-but-2-enedioic acid;4-(4-methylpiperazin-1-yl)-7-(trifluoromethyl)pyrrolo[1,2-a]quinoxaline SMILES: CN1CCN(CC1)C2=NC3=C(C=CC(=C3)C(F)(F)F)N4C2=CC=C4.C(=CC(=O)O)C(=O)O.C(=CC(=O)O)C(=O)O

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Specifications

PubChem CID	71299720
CAS	109028-10-6
Molecular Weight (g/mol)	566.49
MDL Number	MFCD00055048
SMILES	CN1CCN(CC1)C2=NC3=C(C=CC(=C3)C(F)(F)F)N4C2=CC=C4.C(=CC(=O)O)C(=O)O.C(=CC(=O)O)C(=O)O
Synonym	cgs 12066b dimaleate,1-methyl-4-7-trifluoromethyl pyrrolo 1,2-a quinoxalin-4-yl piperazine; bis butenedioic acid
IUPAC Name	(E)-but-2-enedioic acid;4-(4-methylpiperazin-1-yl)-7-(trifluoromethyl)pyrrolo[1,2-a]quinoxaline
InChI Key	HTEVMLYDEWVIQE-LVEZLNDCSA-N
Molecular Formula	C25H25F3N4O8

2-Amino-5-methylpyrazine, 98%

CAS: 5521-58-4 Molecular Formula: C5H7N3 Molecular Weight (g/mol): 109.132 MDL Number: MFCD08437664 InChI Key: ZNQOALAKPLGUPH-UHFFFAOYSA-N Synonym: 2-amino-5-methylpyrazine,5-methyl-pyrazin-2-ylamine,5-methyl-2-pyrazinamine,pyrazinamine, 5-methyl,2-amino-5 methylpyrazine,5-methyl-2-aminopyrazine,2-amino-5-methyl pyrazine,5-methylpyrazine-2-ylamine,2-pyrazinamine, 5-methyl,pubchem15710 PubChem CID: 313215 IUPAC Name: 5-methylpyrazin-2-amine SMILES: CC1=CN=C(C=N1)N

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PubChem CID	313215
CAS	5521-58-4
Molecular Weight (g/mol)	109.132
MDL Number	MFCD08437664
SMILES	CC1=CN=C(C=N1)N
Synonym	2-amino-5-methylpyrazine,5-methyl-pyrazin-2-ylamine,5-methyl-2-pyrazinamine,pyrazinamine, 5-methyl,2-amino-5 methylpyrazine,5-methyl-2-aminopyrazine,2-amino-5-methyl pyrazine,5-methylpyrazine-2-ylamine,2-pyrazinamine, 5-methyl,pubchem15710
IUPAC Name	5-methylpyrazin-2-amine
InChI Key	ZNQOALAKPLGUPH-UHFFFAOYSA-N
Molecular Formula	C5H7N3

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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Specifications

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

2-Amino-5-bromopyrazine, 97%

CAS: 59489-71-3 Molecular Formula: C4H4BrN3 Molecular Weight (g/mol): 174.001 MDL Number: MFCD00235015 InChI Key: KRRTXVSBTPCDOS-UHFFFAOYSA-N Synonym: 2-amino-5-bromopyrazine,5-bromo-2-pyrazinamine,5-bromo-pyrazin-2-ylamine,2-bromo-5-aminopyrazine,pyrazinamine, 5-bromo,5-amino-2-bromopyrazine,5-bromo-2-aminopyrazine,5-bromopyrazin-2-ylamine,5-bromopyrazinamine,2-amino-5-bromo-pyrazine PubChem CID: 599539 IUPAC Name: 5-bromopyrazin-2-amine SMILES: C1=C(N=CC(=N1)Br)N

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Specifications

PubChem CID	599539
CAS	59489-71-3
Molecular Weight (g/mol)	174.001
MDL Number	MFCD00235015
SMILES	C1=C(N=CC(=N1)Br)N
Synonym	2-amino-5-bromopyrazine,5-bromo-2-pyrazinamine,5-bromo-pyrazin-2-ylamine,2-bromo-5-aminopyrazine,pyrazinamine, 5-bromo,5-amino-2-bromopyrazine,5-bromo-2-aminopyrazine,5-bromopyrazin-2-ylamine,5-bromopyrazinamine,2-amino-5-bromo-pyrazine
IUPAC Name	5-bromopyrazin-2-amine
InChI Key	KRRTXVSBTPCDOS-UHFFFAOYSA-N
Molecular Formula	C4H4BrN3

Methyl 5-bromopyrazine-2-carboxylate, 97%, Thermo Scientific Chemicals

CAS: 210037-58-4 Molecular Formula: C6H5BrN2O2 Molecular Weight (g/mol): 217.02 MDL Number: MFCD09991715 InChI Key: PVTAJWAGBTWOPG-UHFFFAOYSA-N Synonym: 5-bromo-pyrazine-2-carboxylic acid methyl ester,pyrazinecarboxylic acid, 5-bromo-, methyl ester,5-bromo-2-pyrazinecarboxylic acid methyl ester,methyl5-bromopyrazine-2-carboxylate,ksc545m4b,5-bromopyrazinecarboxylic acid methyl ester,pyrazinecarboxylicacid,5-bromo-,methylester,methyl 2-bromo-5-pyrazine-carboxylate,2-pyrazinecarboxylic acid, 5-bromo-, methyl ester,2-pyrazinecarboxylicacid, 5-bromo-, methyl ester PubChem CID: 27282430 IUPAC Name: methyl 5-bromopyrazine-2-carboxylate SMILES: COC(=O)C1=CN=C(Br)C=N1

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PubChem CID	27282430
CAS	210037-58-4
Molecular Weight (g/mol)	217.02
MDL Number	MFCD09991715
SMILES	COC(=O)C1=CN=C(Br)C=N1
Synonym	5-bromo-pyrazine-2-carboxylic acid methyl ester,pyrazinecarboxylic acid, 5-bromo-, methyl ester,5-bromo-2-pyrazinecarboxylic acid methyl ester,methyl5-bromopyrazine-2-carboxylate,ksc545m4b,5-bromopyrazinecarboxylic acid methyl ester,pyrazinecarboxylicacid,5-bromo-,methylester,methyl 2-bromo-5-pyrazine-carboxylate,2-pyrazinecarboxylic acid, 5-bromo-, methyl ester,2-pyrazinecarboxylicacid, 5-bromo-, methyl ester
IUPAC Name	methyl 5-bromopyrazine-2-carboxylate
InChI Key	PVTAJWAGBTWOPG-UHFFFAOYSA-N
Molecular Formula	C6H5BrN2O2

2,4,7-Triamino-6-phenylpteridine, 98%

CAS: 396-01-0 Molecular Formula: C12H11N7 Molecular Weight (g/mol): 253.269 MDL Number: MFCD00006708 InChI Key: FNYLWPVRPXGIIP-UHFFFAOYSA-N Synonym: triamterene,2,4,7-triamino-6-phenylpteridine,dyrenium,triamteren,dytac,pterofen,pterophene,triamteril,triteren,ademin PubChem CID: 5546 IUPAC Name: 6-phenylpteridine-2,4,7-triamine SMILES: C1=CC=C(C=C1)C2=NC3=C(N=C2N)N=C(N=C3N)N

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Specifications

PubChem CID	5546
CAS	396-01-0
Molecular Weight (g/mol)	253.269
MDL Number	MFCD00006708
SMILES	C1=CC=C(C=C1)C2=NC3=C(N=C2N)N=C(N=C3N)N
Synonym	triamterene,2,4,7-triamino-6-phenylpteridine,dyrenium,triamteren,dytac,pterofen,pterophene,triamteril,triteren,ademin
IUPAC Name	6-phenylpteridine-2,4,7-triamine
InChI Key	FNYLWPVRPXGIIP-UHFFFAOYSA-N
Molecular Formula	C12H11N7

3,5-Dimethylpyrazin-2-amine, ≥97%, Thermo Scientific™

CAS: 91678-81-8 Molecular Formula: C6H9N3 Molecular Weight (g/mol): 123.159 MDL Number: MFCD00107172 InChI Key: GZZRWBRYYZGTNW-UHFFFAOYSA-N Synonym: 2-amino-3,5-dimethylpyrazine,3,5-dimethyl-2-pyrazinamine,3,5-dimethylpyrazine-2-ylamine,pyrazinamine, 3,5-dimethyl,2-pyrazinamine, 3,5-dimethyl,3,5-dimethyl-pyrazinamine,2-amino-3,5-dimethyl-1,4-diazine,3,5-dimethylpyrazin-2-ylamine PubChem CID: 2774764 IUPAC Name: 3,5-dimethylpyrazin-2-amine SMILES: CC1=CN=C(C(=N1)C)N

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Specifications

PubChem CID	2774764
CAS	91678-81-8
Molecular Weight (g/mol)	123.159
MDL Number	MFCD00107172
SMILES	CC1=CN=C(C(=N1)C)N
Synonym	2-amino-3,5-dimethylpyrazine,3,5-dimethyl-2-pyrazinamine,3,5-dimethylpyrazine-2-ylamine,pyrazinamine, 3,5-dimethyl,2-pyrazinamine, 3,5-dimethyl,3,5-dimethyl-pyrazinamine,2-amino-3,5-dimethyl-1,4-diazine,3,5-dimethylpyrazin-2-ylamine
IUPAC Name	3,5-dimethylpyrazin-2-amine
InChI Key	GZZRWBRYYZGTNW-UHFFFAOYSA-N
Molecular Formula	C6H9N3

Pyrazines

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