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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

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
4

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
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

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
7

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
8

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

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
9

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
10

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

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
11

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
12

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
13

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
14

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
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