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 74 results

Pyrazine-2,3-dicarboxylic acid, 98%, Thermo Scientific Chemicals

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

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Specifications

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

5-Methylpyrazine-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 5521-55-1 Molecular Formula: C6H6N2O2 Molecular Weight (g/mol): 138.126 MDL Number: MFCD00068241 InChI Key: RBYJWCRKFLGNDB-UHFFFAOYSA-N Synonym: 5-methyl-2-pyrazinecarboxylic acid,2-methylpyrazine-5-carboxylic acid,pyrazinecarboxylic acid, 5-methyl,unii-b861rs5nhi,5-methylpyrazinecarboxylic acid,5-methyl pyrazine-2-carboxylic acid,5-methyl-pyrazine-2-carboxylic acid,2-carboxy-5-methylpyrazine,2-methyl-5-pyrazinoic acid,b861rs5nhi PubChem CID: 122831 IUPAC Name: 5-methylpyrazine-2-carboxylic acid SMILES: CC1=NC=C(N=C1)C(=O)O

Pricing and Availability
Specifications

PubChem CID	122831
CAS	5521-55-1
Molecular Weight (g/mol)	138.126
MDL Number	MFCD00068241
SMILES	CC1=NC=C(N=C1)C(=O)O
Synonym	5-methyl-2-pyrazinecarboxylic acid,2-methylpyrazine-5-carboxylic acid,pyrazinecarboxylic acid, 5-methyl,unii-b861rs5nhi,5-methylpyrazinecarboxylic acid,5-methyl pyrazine-2-carboxylic acid,5-methyl-pyrazine-2-carboxylic acid,2-carboxy-5-methylpyrazine,2-methyl-5-pyrazinoic acid,b861rs5nhi
IUPAC Name	5-methylpyrazine-2-carboxylic acid
InChI Key	RBYJWCRKFLGNDB-UHFFFAOYSA-N
Molecular Formula	C6H6N2O2

Pyrazine-2-carboxylic acid, 99%, Thermo Scientific Chemicals

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

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

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Specifications

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

2-Ethyl-3-methoxypyrazine, 99%, Thermo Scientific™

CAS: 25680-58-4 Molecular Formula: C7H10N2O Molecular Weight (g/mol): 138.17 MDL Number: MFCD00006129 InChI Key: DPCILIMHENXHQX-UHFFFAOYSA-N Synonym: 2-methoxy-3-ethylpyrazine,pyrazine, 2-ethyl-3-methoxy,3-ethyl-2-methoxypyrazine,unii-zbm5ld0we9,2-ethyl-3-methoxy-pyrazine,zbm5ld0we9,2-methoxy-3-ethyl pyrazine,pyrazine, 3-ethyl-2-methoxy,acmc-20ai24,ksc494q2n PubChem CID: 33135 IUPAC Name: 2-ethyl-3-methoxypyrazine SMILES: CCC1=NC=CN=C1OC

Pricing and Availability
Specifications

PubChem CID	33135
CAS	25680-58-4
Molecular Weight (g/mol)	138.17
MDL Number	MFCD00006129
SMILES	CCC1=NC=CN=C1OC
Synonym	2-methoxy-3-ethylpyrazine,pyrazine, 2-ethyl-3-methoxy,3-ethyl-2-methoxypyrazine,unii-zbm5ld0we9,2-ethyl-3-methoxy-pyrazine,zbm5ld0we9,2-methoxy-3-ethyl pyrazine,pyrazine, 3-ethyl-2-methoxy,acmc-20ai24,ksc494q2n
IUPAC Name	2-ethyl-3-methoxypyrazine
InChI Key	DPCILIMHENXHQX-UHFFFAOYSA-N
Molecular Formula	C7H10N2O

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

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

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Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
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

3-Aminopyrazine-2-carboxylic acid, 98%, Thermo Scientific Chemicals

CAS: 5424-01-1 MDL Number: MFCD00006141

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Specifications

CAS	5424-01-1
MDL Number	MFCD00006141

3-Aminopyrazine-2-carboxylic acid, 99+%, Thermo Scientific Chemicals

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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-Quinoxalinecarboxylic acid, 97%, Thermo Scientific™

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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-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

Pricing and Availability
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

2-Isobutyl-3-methoxypyrazine, 98%, Thermo Scientific Chemicals

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

Pricing and Availability
Specifications

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

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