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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

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
2

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.

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

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
5

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
6

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
7

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
8

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

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
9

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

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
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

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
12

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
13

Amiloride hydrochloride dihydrate

CAS: 17440-83-4 Molecular Formula: C6H13Cl2N7O3 Molecular Weight (g/mol): 302.116 MDL Number: MFCD00058197 InChI Key: LTKVFMLMEYCWMK-UHFFFAOYSA-N Synonym: amiloride hydrochloride dihydrate,modamide,nirulid,amiloride hcl,amiloride hcl dihydrate,amilorid hydrochlorid-2-wasser,unii-fzj37245uc,amiloride hydrochloride usan:usp,amiloride dihydrate hydrochloride,n-amidino-3,5-diamino-6-chloropyrazinecarboxamide hydrochloride dihydrate PubChem CID: 68540 ChEBI: CHEBI:2640 IUPAC Name: 3,5-diamino-6-chloro-N-(diaminomethylidene)pyrazine-2-carboxamide;dihydrate;hydrochloride SMILES: C1(=C(N=C(C(=N1)Cl)N)N)C(=O)N=C(N)N.O.O.Cl

PubChem CID 68540
CAS 17440-83-4
Molecular Weight (g/mol) 302.116
ChEBI CHEBI:2640
MDL Number MFCD00058197
SMILES C1(=C(N=C(C(=N1)Cl)N)N)C(=O)N=C(N)N.O.O.Cl
Synonym amiloride hydrochloride dihydrate,modamide,nirulid,amiloride hcl,amiloride hcl dihydrate,amilorid hydrochlorid-2-wasser,unii-fzj37245uc,amiloride hydrochloride usan:usp,amiloride dihydrate hydrochloride,n-amidino-3,5-diamino-6-chloropyrazinecarboxamide hydrochloride dihydrate
IUPAC Name 3,5-diamino-6-chloro-N-(diaminomethylidene)pyrazine-2-carboxamide;dihydrate;hydrochloride
InChI Key LTKVFMLMEYCWMK-UHFFFAOYSA-N
Molecular Formula C6H13Cl2N7O3
14

Quinoxaline-2-carboxylic acid, 97%

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

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
15

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