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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 864 results
1

Sigma Aldrich 1-Aminonaphthalene hydrochloride

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CAS 552-46-5
2

Sigma Aldrich 1-(2-diisopropylaminoethyl)piperazine

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CAS 59955-93-0
3

Sigma Aldrich 1-(Fluorosulfonyl)-2,3-Dimethyl-1H-Imidazol-3-Ium Trifluoromethanesulfonate

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4

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
5

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
6

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
7

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
8

3,5-Dimethylpyrazin-2-amine, ≥97%, Thermo Scientific™

CAS: 91678-81-8 Molecular Formula: C6H9N3 Molecular Weight (g/mol): 123.159 MDL Number: MFCD00107172 InChI Key: GZZRWBRYYZGTNW-UHFFFAOYSA-N Synonym: 2-amino-3,5-dimethylpyrazine,3,5-dimethyl-2-pyrazinamine,3,5-dimethylpyrazine-2-ylamine,pyrazinamine, 3,5-dimethyl,2-pyrazinamine, 3,5-dimethyl,3,5-dimethyl-pyrazinamine,2-amino-3,5-dimethyl-1,4-diazine,3,5-dimethylpyrazin-2-ylamine PubChem CID: 2774764 IUPAC Name: 3,5-dimethylpyrazin-2-amine SMILES: CC1=CN=C(C(=N1)C)N

PubChem CID 2774764
CAS 91678-81-8
Molecular Weight (g/mol) 123.159
MDL Number MFCD00107172
SMILES CC1=CN=C(C(=N1)C)N
Synonym 2-amino-3,5-dimethylpyrazine,3,5-dimethyl-2-pyrazinamine,3,5-dimethylpyrazine-2-ylamine,pyrazinamine, 3,5-dimethyl,2-pyrazinamine, 3,5-dimethyl,3,5-dimethyl-pyrazinamine,2-amino-3,5-dimethyl-1,4-diazine,3,5-dimethylpyrazin-2-ylamine
IUPAC Name 3,5-dimethylpyrazin-2-amine
InChI Key GZZRWBRYYZGTNW-UHFFFAOYSA-N
Molecular Formula C6H9N3
9

2-Isobutyl-3-methoxypyrazine, 98%

CAS: 24683-00-9 Molecular Formula: C9H14N2O Molecular Weight (g/mol): 166.22 MDL Number: MFCD00006128 InChI Key: UXFSPRAGHGMRSQ-UHFFFAOYSA-N Synonym: 2-isobutyl-3-methoxypyrazine,3-isobutyl-2-methoxypyrazine,2-methoxy-3-2-methylpropyl pyrazine,2-methoxy-3-isobutylpyrazine,2-methoxy-3-isobutyl pyrazine,1dzk,pyrazine, 2-methoxy-3-2-methylpropyl,unii-s327o0t12o,ibmp,3-methoxy-2-isobutylpyrazine PubChem CID: 32594 IUPAC Name: 2-methoxy-3-(2-methylpropyl)pyrazine SMILES: COC1=NC=CN=C1CC(C)C

PubChem CID 32594
CAS 24683-00-9
Molecular Weight (g/mol) 166.22
MDL Number MFCD00006128
SMILES COC1=NC=CN=C1CC(C)C
Synonym 2-isobutyl-3-methoxypyrazine,3-isobutyl-2-methoxypyrazine,2-methoxy-3-2-methylpropyl pyrazine,2-methoxy-3-isobutylpyrazine,2-methoxy-3-isobutyl pyrazine,1dzk,pyrazine, 2-methoxy-3-2-methylpropyl,unii-s327o0t12o,ibmp,3-methoxy-2-isobutylpyrazine
IUPAC Name 2-methoxy-3-(2-methylpropyl)pyrazine
InChI Key UXFSPRAGHGMRSQ-UHFFFAOYSA-N
Molecular Formula C9H14N2O
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

Sigma Aldrich 4-Phenyl-1-p-tolyl-1H-pyrazol-5-amine

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

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12

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
13

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
14

3-Aminopyrazine-2-carboxamide, 96%

CAS: 32587-10-3 Molecular Formula: C5H6N4O Molecular Weight (g/mol): 138.13 MDL Number: MFCD03407446 InChI Key: SFSMATGDLFHTHE-UHFFFAOYSA-N Synonym: aminopyrazine carboxamide,3-aminopyrazinecarboxamide,3-amino-2-pyrazinecarboxamide,3-amino-pyrazine-2-carboxylic acid amide,3-amino-pyrazinecarboxamide,3-amino-pyrazine-2-carboxamide,2-pyrazinecarboxamide,3-amino,pyrazinecarboxamide, 3-amino,pyrazinecarboxamide, 3-amino-7ci,9ci PubChem CID: 280292 IUPAC Name: 3-aminopyrazine-2-carboxamide SMILES: NC(=O)C1=NC=CN=C1N

PubChem CID 280292
CAS 32587-10-3
Molecular Weight (g/mol) 138.13
MDL Number MFCD03407446
SMILES NC(=O)C1=NC=CN=C1N
Synonym aminopyrazine carboxamide,3-aminopyrazinecarboxamide,3-amino-2-pyrazinecarboxamide,3-amino-pyrazine-2-carboxylic acid amide,3-amino-pyrazinecarboxamide,3-amino-pyrazine-2-carboxamide,2-pyrazinecarboxamide,3-amino,pyrazinecarboxamide, 3-amino,pyrazinecarboxamide, 3-amino-7ci,9ci
IUPAC Name 3-aminopyrazine-2-carboxamide
InChI Key SFSMATGDLFHTHE-UHFFFAOYSA-N
Molecular Formula C5H6N4O
15

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