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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 64 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-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
3

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
4

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
5

Pyrazine-2,3-dicarboxylic acid, 98%

CAS: 89-01-0 Molecular Formula: C6H4N2O4 Molecular Weight (g/mol): 168.108 MDL Number: MFCD00006131 InChI Key: ZUCRGHABDDWQPY-UHFFFAOYSA-N Synonym: 2,3-pyrazinedicarboxylic acid,pyrazine-2,3-dicarboxylate,2,3-dicarboxypyrazine,2,3-pyrazine dicarboxylic acid,unii-qnn35wof29,2,3-pyrazinedicarboxylicacid,qnn35wof29,2,3-pyrazinedcarboxylicacid,pubchem8610,acmc-209qye PubChem CID: 66628 IUPAC Name: pyrazine-2,3-dicarboxylic acid SMILES: C1=CN=C(C(=N1)C(=O)O)C(=O)O

PubChem CID 66628
CAS 89-01-0
Molecular Weight (g/mol) 168.108
MDL Number MFCD00006131
SMILES C1=CN=C(C(=N1)C(=O)O)C(=O)O
Synonym 2,3-pyrazinedicarboxylic acid,pyrazine-2,3-dicarboxylate,2,3-dicarboxypyrazine,2,3-pyrazine dicarboxylic acid,unii-qnn35wof29,2,3-pyrazinedicarboxylicacid,qnn35wof29,2,3-pyrazinedcarboxylicacid,pubchem8610,acmc-209qye
IUPAC Name pyrazine-2,3-dicarboxylic acid
InChI Key ZUCRGHABDDWQPY-UHFFFAOYSA-N
Molecular Formula C6H4N2O4
6

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
7

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
8

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
9

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

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
10

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
11

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

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
12

Pyrazine-2,5-dicarboxylic acid, 95%

CAS: 122-05-4 Molecular Formula: C6H4N2O4 Molecular Weight (g/mol): 168.11 MDL Number: MFCD00216919 InChI Key: GMIOYJQLNFNGPR-UHFFFAOYSA-N Synonym: 2,5-pyrazinedicarboxylic acid,2,5-pyrazinedicarboxylicacid,pubchem8868,2,5-pyrazine-diacid,ksc177q1r,pyrazinedicarboxylic-2,5 acid PubChem CID: 255280 IUPAC Name: pyrazine-2,5-dicarboxylic acid SMILES: OC(=O)C1=CN=C(C=N1)C(O)=O

PubChem CID 255280
CAS 122-05-4
Molecular Weight (g/mol) 168.11
MDL Number MFCD00216919
SMILES OC(=O)C1=CN=C(C=N1)C(O)=O
Synonym 2,5-pyrazinedicarboxylic acid,2,5-pyrazinedicarboxylicacid,pubchem8868,2,5-pyrazine-diacid,ksc177q1r,pyrazinedicarboxylic-2,5 acid
IUPAC Name pyrazine-2,5-dicarboxylic acid
InChI Key GMIOYJQLNFNGPR-UHFFFAOYSA-N
Molecular Formula C6H4N2O4
13

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

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
14

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

CAS: 5424-01-1 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 5424-01-1
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
15

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

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