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.

1 – 15 of 1,220 results

2-Methoxypyrazine, 95%, Thermo Scientific™

CAS: 3149-28-8 Molecular Formula: C₅H₆N₂O Molecular Weight (g/mol): 110.12 InChI Key: WKSXRWSOSLGSTN-UHFFFAOYSA-N Synonym: pyrazine, methoxy,methoxypyrazine,2-methoxy-1,4-diazine,pyrazine, 2-methoxy,2-methoxy-pyrazine,unii-ryd35t7f4t,2-methoxy pyrazine,fema no. 3302,ryd35t7f4t,methoxy-pyrazine PubChem CID: 18467 IUPAC Name: 2-methoxypyrazine SMILES: COC1=NC=CN=C1

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PubChem CID	18467
CAS	3149-28-8
Molecular Weight (g/mol)	110.12
SMILES	COC1=NC=CN=C1
Synonym	pyrazine, methoxy,methoxypyrazine,2-methoxy-1,4-diazine,pyrazine, 2-methoxy,2-methoxy-pyrazine,unii-ryd35t7f4t,2-methoxy pyrazine,fema no. 3302,ryd35t7f4t,methoxy-pyrazine
IUPAC Name	2-methoxypyrazine
InChI Key	WKSXRWSOSLGSTN-UHFFFAOYSA-N
Molecular Formula	C₅H₆N₂O

2,5-Pyrazinedicarboxylic acid hydrate, 97%

CAS: 122-05-4 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

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Specifications

PubChem CID	73553845
CAS	122-05-4
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

Methyl pyrazine-2-carboxylate, 97%

CAS: 5124-30-1 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

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PubChem CID	72662
CAS	5124-30-1
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

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

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Specifications

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

Aminopyrazine, 99+%

CAS: 5049-61-6 Molecular Formula: C₄H₅N₃ Molecular Weight (g/mol): 95.1 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

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Specifications

PubChem CID	78747
CAS	5049-61-6
Molecular Weight (g/mol)	95.1
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-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

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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

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

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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

Ethyl 5-aminopyrazine-2-carboxylate, 95%, Thermo Scientific Chemicals

CAS: 54013-06-8 Molecular Formula: C7H9N3O2 Molecular Weight (g/mol): 167.17 MDL Number: MFCD08437665 InChI Key: BLPDHDYKCBRILY-UHFFFAOYSA-N PubChem CID: 22271413 IUPAC Name: ethyl 5-aminopyrazine-2-carboxylate SMILES: CCOC(=O)C1=CN=C(N)C=N1

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Specifications

PubChem CID	22271413
CAS	54013-06-8
Molecular Weight (g/mol)	167.17
MDL Number	MFCD08437665
SMILES	CCOC(=O)C1=CN=C(N)C=N1
IUPAC Name	ethyl 5-aminopyrazine-2-carboxylate
InChI Key	BLPDHDYKCBRILY-UHFFFAOYSA-N
Molecular Formula	C7H9N3O2

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

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Specifications

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

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

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Specifications

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-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

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Specifications

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

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

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Specifications

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

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

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Specifications

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

3-Amino-6-bromopyrazine-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 486424-37-7 Molecular Formula: C₅H₄BrN₃O₂ Molecular Weight (g/mol): 218.01 InChI Key: MTNAQEKMSVDTAQ-UHFFFAOYSA-N Synonym: 3-amino-6-bromo-pyrazine-2-carboxylic acid,3-amino-6-bromo-2-pyrazinecarboxylic acid,2-amino-5-bromopyrazine-3-carboxylic acid,pyrazinecarboxylic acid, 3-amino-6-bromo,pubchem22388,3-amino-6-bromopyrazine-2-carboxylicacid,acmc-1bna1,ksc235o0r,2-pyrazinecarboxylic acid, 3-amino-6-bromo,3-azanyl-6-bromanyl-pyrazine-2-carboxylic acid PubChem CID: 18521600 IUPAC Name: 3-amino-6-bromopyrazine-2-carboxylic acid SMILES: C1=C(N=C(C(=N1)N)C(=O)O)Br

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Specifications

PubChem CID	18521600
CAS	486424-37-7
Molecular Weight (g/mol)	218.01
SMILES	C1=C(N=C(C(=N1)N)C(=O)O)Br
Synonym	3-amino-6-bromo-pyrazine-2-carboxylic acid,3-amino-6-bromo-2-pyrazinecarboxylic acid,2-amino-5-bromopyrazine-3-carboxylic acid,pyrazinecarboxylic acid, 3-amino-6-bromo,pubchem22388,3-amino-6-bromopyrazine-2-carboxylicacid,acmc-1bna1,ksc235o0r,2-pyrazinecarboxylic acid, 3-amino-6-bromo,3-azanyl-6-bromanyl-pyrazine-2-carboxylic acid
IUPAC Name	3-amino-6-bromopyrazine-2-carboxylic acid
InChI Key	MTNAQEKMSVDTAQ-UHFFFAOYSA-N
Molecular Formula	C₅H₄BrN₃O₂

CGS 12066B dimaleate, Tocris Bioscience™

CAS: 109028-10-6 Molecular Formula: C25H25F3N4O8 Molecular Weight (g/mol): 566.49 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

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Specifications

PubChem CID	71299720
CAS	109028-10-6
Molecular Weight (g/mol)	566.49
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

Pyrazines

Pyrazines

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CGS 12066B dimaleate, Tocris Bioscience™ Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

CGS 12066B dimaleate, Tocris Bioscience™