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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.
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1 – 15 of 66 results
1

Methyl 3,5-diamino-6-chloropyrazine-2-carboxylate, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

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

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
3

2-Pyrazinecarboxylic acid, 99%

CAS: 98-97-5 Molecular Formula: C5H4N2O2 Molecular Weight (g/mol): 124.1 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

PubChem CID 1047
CAS 98-97-5
Molecular Weight (g/mol) 124.1
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
4

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

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
5

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

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
6

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

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
7

3-Hydroxypyrazine-2-carboxamide, 98%, Thermo Scientific Chemicals

CAS: 55321-99-8 Molecular Formula: C5H5N3O2 Molecular Weight (g/mol): 139.114 MDL Number: MFCD00233977 InChI Key: SZPBAPFUXAADQV-UHFFFAOYSA-N Synonym: 3-hydroxypyrazine-2-carboxamide,3-oxo-3,4-dihydropyrazine-2-carboxamide,pyrazinecarboxamide, 3,4-dihydro-3-oxo,3-hydroxy-2-pyrazinecarboxamide,pyrazine-2-carboxamide, 3-hydroxy,3-hydroxypyrazine-2-carboxamine,3-oxo-4h-pyrazine-2-carboxamide,t6mv dnj cvz wln,d09vhw,d0s5ry PubChem CID: 294642 IUPAC Name: 2-oxo-1H-pyrazine-3-carboxamide SMILES: C1=CN=C(C(=O)N1)C(=O)N

PubChem CID 294642
CAS 55321-99-8
Molecular Weight (g/mol) 139.114
MDL Number MFCD00233977
SMILES C1=CN=C(C(=O)N1)C(=O)N
Synonym 3-hydroxypyrazine-2-carboxamide,3-oxo-3,4-dihydropyrazine-2-carboxamide,pyrazinecarboxamide, 3,4-dihydro-3-oxo,3-hydroxy-2-pyrazinecarboxamide,pyrazine-2-carboxamide, 3-hydroxy,3-hydroxypyrazine-2-carboxamine,3-oxo-4h-pyrazine-2-carboxamide,t6mv dnj cvz wln,d09vhw,d0s5ry
IUPAC Name 2-oxo-1H-pyrazine-3-carboxamide
InChI Key SZPBAPFUXAADQV-UHFFFAOYSA-N
Molecular Formula C5H5N3O2
8

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

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
9

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

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
10

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

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
11

3-Aminopyrazine-2-carboxylic acid, 99+%

CAS: 1-1-5424 Molecular Formula: C5H5N3O2 Molecular Weight (g/mol): 139.11 MDL Number: MFCD00006141 InChI Key: ZAGZIOYVEIDDJA-UHFFFAOYSA-N Synonym: 3-amino-2-pyrazinecarboxylic acid,pyrazinecarboxylic acid, 3-amino,2-amino-3-pyrazinecarboxylic acid,3-aminopiperazine-2-carboxylic acid,2-aminopyrazine-3-carboxylic acid,2-pyrazinecarboxylic acid, 3-amino,3-aminopyrazine-2-carboxyliacid,zlchem 459,pubchem8544,3-aminopyrazinoic acid PubChem CID: 72656 IUPAC Name: 3-aminopyrazine-2-carboxylic acid SMILES: C1=CN=C(C(=N1)C(=O)O)N

PubChem CID 72656
CAS 1-1-5424
Molecular Weight (g/mol) 139.11
MDL Number MFCD00006141
SMILES C1=CN=C(C(=N1)C(=O)O)N
Synonym 3-amino-2-pyrazinecarboxylic acid,pyrazinecarboxylic acid, 3-amino,2-amino-3-pyrazinecarboxylic acid,3-aminopiperazine-2-carboxylic acid,2-aminopyrazine-3-carboxylic acid,2-pyrazinecarboxylic acid, 3-amino,3-aminopyrazine-2-carboxyliacid,zlchem 459,pubchem8544,3-aminopyrazinoic acid
IUPAC Name 3-aminopyrazine-2-carboxylic acid
InChI Key ZAGZIOYVEIDDJA-UHFFFAOYSA-N
Molecular Formula C5H5N3O2
12

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

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
13

5-Chloropyrazine-2-carboxylic acid, 95%, Thermo Scientific Chemicals

CAS: 36070-80-1 Molecular Formula: C5H3ClN2O2 Molecular Weight (g/mol): 158.541 MDL Number: MFCD09033269 InChI Key: FXJOTWLLDJYKAG-UHFFFAOYSA-N Synonym: 5-chloro-2-pyrazinecarboxylic acid,5-chloro-pyrazine-2-carboxylic acid,5-chloropyrazinoic acid,pyrazinecarboxylic acid, 5-chloro,5-chlopopyrazine-2-carboxylic acid,2-pyrazinecarboxylic acid, 5-chloro,2-carboxy-5-chloropyrazine,5-chloro-pyrazine-2-carboxylicacid,2-carboxy-5-chloro-pyrazine,ksc222q7d PubChem CID: 465472 IUPAC Name: 5-chloropyrazine-2-carboxylic acid SMILES: C1=C(N=CC(=N1)Cl)C(=O)O

PubChem CID 465472
CAS 36070-80-1
Molecular Weight (g/mol) 158.541
MDL Number MFCD09033269
SMILES C1=C(N=CC(=N1)Cl)C(=O)O
Synonym 5-chloro-2-pyrazinecarboxylic acid,5-chloro-pyrazine-2-carboxylic acid,5-chloropyrazinoic acid,pyrazinecarboxylic acid, 5-chloro,5-chlopopyrazine-2-carboxylic acid,2-pyrazinecarboxylic acid, 5-chloro,2-carboxy-5-chloropyrazine,5-chloro-pyrazine-2-carboxylicacid,2-carboxy-5-chloro-pyrazine,ksc222q7d
IUPAC Name 5-chloropyrazine-2-carboxylic acid
InChI Key FXJOTWLLDJYKAG-UHFFFAOYSA-N
Molecular Formula C5H3ClN2O2
14

2-Methoxy-6-(tri-n-butylstannyl)pyrazine, 95%

CAS: 1105511-66-7 Molecular Formula: C17H32N2OSn Molecular Weight (g/mol): 399.166 MDL Number: MFCD08275735 InChI Key: WWRXJELRWGUPKZ-UHFFFAOYSA-N Synonym: 2-methoxy-6-tributylstannyl pyrazine,2-tri-n-butylstannyl-6-methoxypyrazine,2-methoxy-6-tributylstannanyl pyrazine,2-methoxy-6-tri-n-butylstannyl pyrazine,2-tributylstannyl-6-methoxypyrazine PubChem CID: 16427103 IUPAC Name: tributyl-(6-methoxypyrazin-2-yl)stannane SMILES: CCCC[Sn](CCCC)(CCCC)C1=NC(=CN=C1)OC

PubChem CID 16427103
CAS 1105511-66-7
Molecular Weight (g/mol) 399.166
MDL Number MFCD08275735
SMILES CCCC[Sn](CCCC)(CCCC)C1=NC(=CN=C1)OC
Synonym 2-methoxy-6-tributylstannyl pyrazine,2-tri-n-butylstannyl-6-methoxypyrazine,2-methoxy-6-tributylstannanyl pyrazine,2-methoxy-6-tri-n-butylstannyl pyrazine,2-tributylstannyl-6-methoxypyrazine
IUPAC Name tributyl-(6-methoxypyrazin-2-yl)stannane
InChI Key WWRXJELRWGUPKZ-UHFFFAOYSA-N
Molecular Formula C17H32N2OSn
15

Aminopyrazine, 99+%

CAS: 5049-61-6 Molecular Formula: C4H5N3 Molecular Weight (g/mol): 95.1 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

PubChem CID 78747
CAS 5049-61-6
Molecular Weight (g/mol) 95.1
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