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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 1,313 results
1

Thermo Scientific Chemicals 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
2

Thermo Scientific Chemicals 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
3

Spectrum Chemical Manufacturing Corporation Piperazine, Hexahydrate, Spectrum™ Chemical
SDP

CAS: 142-63-2

CAS 142-63-2
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

Thermo Scientific Chemicals 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

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
6

Thermo Scientific Chemicals Methyl pyrazine-2-carboxylate, 97%

CAS: 6164-79-0 Molecular Formula: C6H6N2O2 Molecular Weight (g/mol): 138.13 InChI Key: TWIIRMSFZNYMQE-UHFFFAOYSA-N Synonym: methyl 2-pyrazinecarboxylate,methyl pyrazinoate,pyrazinoic acid methyl ester,methylpyrazine-2-carboxylate,pyrazinecarboxylic acid, methyl ester,methyl pyrazinecarboxylate,2-pyrazinecarboxylic acid, methyl ester,pyrazine-2-carboxylic acid, methyl ester,2-methylpyrazine carboxylate,pyrazine-2-carboxylic acid methyl ester PubChem CID: 72662 IUPAC Name: methyl pyrazine-2-carboxylate SMILES: COC(=O)C1=NC=CN=C1

PubChem CID 72662
CAS 6164-79-0
Molecular Weight (g/mol) 138.13
SMILES COC(=O)C1=NC=CN=C1
Synonym methyl 2-pyrazinecarboxylate,methyl pyrazinoate,pyrazinoic acid methyl ester,methylpyrazine-2-carboxylate,pyrazinecarboxylic acid, methyl ester,methyl pyrazinecarboxylate,2-pyrazinecarboxylic acid, methyl ester,pyrazine-2-carboxylic acid, methyl ester,2-methylpyrazine carboxylate,pyrazine-2-carboxylic acid methyl ester
IUPAC Name methyl pyrazine-2-carboxylate
InChI Key TWIIRMSFZNYMQE-UHFFFAOYSA-N
Molecular Formula C6H6N2O2
7

Thermo Scientific Chemicals 2-Amino-3-benzyloxypyrazine, 96%

CAS: 110223-15-9 Molecular Formula: C11H11N3O Molecular Weight (g/mol): 201.23 MDL Number: MFCD09838954 InChI Key: QKEQFJXWHGVJJU-UHFFFAOYSA-N Synonym: 2-amino-3-benzyloxypyrazine,3-benzyloxy pyrazin-2-amine,2-pyrazinamine,3-phenylmethoxy,2-pyrazinamine, 3-phenylmethoxy,zlchem 177,pubchem19570,acmc-20a0ri,2-aminol-3-benzyloxypyrazine,3-phenylmethoxy-2-pyrazinamine PubChem CID: 13900234 IUPAC Name: 3-phenylmethoxypyrazin-2-amine SMILES: NC1=NC=CN=C1OCC1=CC=CC=C1

PubChem CID 13900234
CAS 110223-15-9
Molecular Weight (g/mol) 201.23
MDL Number MFCD09838954
SMILES NC1=NC=CN=C1OCC1=CC=CC=C1
Synonym 2-amino-3-benzyloxypyrazine,3-benzyloxy pyrazin-2-amine,2-pyrazinamine,3-phenylmethoxy,2-pyrazinamine, 3-phenylmethoxy,zlchem 177,pubchem19570,acmc-20a0ri,2-aminol-3-benzyloxypyrazine,3-phenylmethoxy-2-pyrazinamine
IUPAC Name 3-phenylmethoxypyrazin-2-amine
InChI Key QKEQFJXWHGVJJU-UHFFFAOYSA-N
Molecular Formula C11H11N3O
8

Thermo Scientific Chemicals 5-Bromo-2-pyrazinamine, Tech., Thermo Scientific™

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
9

MilliporeSigma Supelco 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.

10

Spectrum Chemical Manufacturing Corporation 1,4-Diformylpiperazine, Spectrum™ Chemical
SDP

CAS: 4164-39-0

CAS 4164-39-0
11

Methyl 5-chloropyrazine-2-carboxylate, 98%, Thermo Scientific Chemicals

CAS: 33332-25-1 Molecular Formula: C6H5ClN2O2 Molecular Weight (g/mol): 172.568 MDL Number: MFCD01632102 InChI Key: CVVMLRFXZPKILB-UHFFFAOYSA-N Synonym: methyl 5-chloro-2-pyrazinecarboxylate,methyl-5-chloropyrazine-2-carboxylate,2-chloro-5-carbomethoxy-pyrazine,5-chloro-pyrazine-2-carboxylic acid methyl ester,methyl-5-chloro-2-pyrazinecarboxylate,5-chloro-2-methoxycarbonyl pyrazine,2-pyrazinecarboxylic acid, 5-chloro-, methyl ester,pyrazinecarboxylic acid, 5-chloro-, methyl ester,5-chloro-2-pyrazinecarboxylic acid methyl ester,methyl-5-chlorpyrazin-2-carboxylat PubChem CID: 406081 IUPAC Name: methyl 5-chloropyrazine-2-carboxylate SMILES: COC(=O)C1=CN=C(C=N1)Cl

PubChem CID 406081
CAS 33332-25-1
Molecular Weight (g/mol) 172.568
MDL Number MFCD01632102
SMILES COC(=O)C1=CN=C(C=N1)Cl
Synonym methyl 5-chloro-2-pyrazinecarboxylate,methyl-5-chloropyrazine-2-carboxylate,2-chloro-5-carbomethoxy-pyrazine,5-chloro-pyrazine-2-carboxylic acid methyl ester,methyl-5-chloro-2-pyrazinecarboxylate,5-chloro-2-methoxycarbonyl pyrazine,2-pyrazinecarboxylic acid, 5-chloro-, methyl ester,pyrazinecarboxylic acid, 5-chloro-, methyl ester,5-chloro-2-pyrazinecarboxylic acid methyl ester,methyl-5-chlorpyrazin-2-carboxylat
IUPAC Name methyl 5-chloropyrazine-2-carboxylate
InChI Key CVVMLRFXZPKILB-UHFFFAOYSA-N
Molecular Formula C6H5ClN2O2
12

Thermo Scientific Chemicals Methyl 6-chloropyrazine-2-carboxylate, 95%

CAS: 23611-75-8 Molecular Formula: C6H5ClN2O2 Molecular Weight (g/mol): 172.568 MDL Number: MFCD10686598 InChI Key: MVVYUJFEXRODQA-UHFFFAOYSA-N Synonym: methyl 6-chloro-2-pyrazinecarboxylate,2-chloro-6-pyrazinecarboxylic acid methyl ester,2-pyrazinecarboxylic acid, 6-chloro-, methyl ester,2-chloro-6-co2me-pyrazine,6-chloro-pyrazine-2-carboxylic acid methyl ester,pyrazinecarboxylic acid, 6-chloro-, methyl ester,pubchem16685,6-chloro-pyrazine-2-carboxylicacidmethylester,ksc494k2p,methyl-6-chloropyrazine-2-carboxylate PubChem CID: 11084353 IUPAC Name: methyl 6-chloropyrazine-2-carboxylate SMILES: COC(=O)C1=CN=CC(=N1)Cl

PubChem CID 11084353
CAS 23611-75-8
Molecular Weight (g/mol) 172.568
MDL Number MFCD10686598
SMILES COC(=O)C1=CN=CC(=N1)Cl
Synonym methyl 6-chloro-2-pyrazinecarboxylate,2-chloro-6-pyrazinecarboxylic acid methyl ester,2-pyrazinecarboxylic acid, 6-chloro-, methyl ester,2-chloro-6-co2me-pyrazine,6-chloro-pyrazine-2-carboxylic acid methyl ester,pyrazinecarboxylic acid, 6-chloro-, methyl ester,pubchem16685,6-chloro-pyrazine-2-carboxylicacidmethylester,ksc494k2p,methyl-6-chloropyrazine-2-carboxylate
IUPAC Name methyl 6-chloropyrazine-2-carboxylate
InChI Key MVVYUJFEXRODQA-UHFFFAOYSA-N
Molecular Formula C6H5ClN2O2
13

Thermo Scientific Chemicals 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
14

Thermo Scientific Chemicals 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
15

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