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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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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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-Isopropyl-3-methoxypyrazine 98.0+%, TCI America™

CAS: 25773-40-4 Molecular Formula: C8H12N2O Molecular Weight (g/mol): 152.20 MDL Number: MFCD00006135 InChI Key: NTOPKICPEQUPPH-UHFFFAOYSA-N PubChem CID: 33166 IUPAC Name: 2-methoxy-3-(propan-2-yl)pyrazine SMILES: COC1=NC=CN=C1C(C)C

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PubChem CID	33166
CAS	25773-40-4
Molecular Weight (g/mol)	152.20
MDL Number	MFCD00006135
SMILES	COC1=NC=CN=C1C(C)C
IUPAC Name	2-methoxy-3-(propan-2-yl)pyrazine
InChI Key	NTOPKICPEQUPPH-UHFFFAOYSA-N
Molecular Formula	C8H12N2O

Pyrazinecarboxylic Acid 98.0+%, TCI America™

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

2,3-Pyrazinedicarboxylic Acid 98.0+%, TCI America™

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

2-sec-Butyl-3-methoxypyrazine 97.0+%, TCI America™

CAS: 24168-70-5 Molecular Formula: C9H14N2O Molecular Weight (g/mol): 166.224 MDL Number: MFCD00006136 InChI Key: QMQDJVIJVPEQHE-UHFFFAOYSA-N Synonym: 2-sec-butyl-3-methoxypyrazine,2-methoxy-3-sec-butylpyrazine,2-methoxy-3-1-methylpropyl pyrazine,pyrazine, 2-methoxy-3-1-methylpropyl,2-methoxy-3-sec-butyl pyrazine,3-sec-butyl-2-methoxypyrazine,pyrazine, 2-methoxy, 3-sec-butyl,2-methoxy-3-1-methyl-propyl pyrazine PubChem CID: 520098 IUPAC Name: 2-butan-2-yl-3-methoxypyrazine SMILES: CCC(C)C1=NC=CN=C1OC

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PubChem CID	520098
CAS	24168-70-5
Molecular Weight (g/mol)	166.224
MDL Number	MFCD00006136
SMILES	CCC(C)C1=NC=CN=C1OC
Synonym	2-sec-butyl-3-methoxypyrazine,2-methoxy-3-sec-butylpyrazine,2-methoxy-3-1-methylpropyl pyrazine,pyrazine, 2-methoxy-3-1-methylpropyl,2-methoxy-3-sec-butyl pyrazine,3-sec-butyl-2-methoxypyrazine,pyrazine, 2-methoxy, 3-sec-butyl,2-methoxy-3-1-methyl-propyl pyrazine
IUPAC Name	2-butan-2-yl-3-methoxypyrazine
InChI Key	QMQDJVIJVPEQHE-UHFFFAOYSA-N
Molecular Formula	C9H14N2O

3-Hydroxypyrazine-2-carboxamide 98.0+%, TCI America™

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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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-Quinoxalinecarboxylic Acid 96.0+%, TCI America™

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

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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

3-Chloropyrazine-2-carboxamide 98.0+%, TCI America™

CAS: 21279-62-9 Molecular Formula: C5H4ClN3O Molecular Weight (g/mol): 157.56 MDL Number: MFCD09863915 InChI Key: YHPMRHPLAQSPHJ-UHFFFAOYSA-N PubChem CID: 301266 IUPAC Name: 3-chloropyrazine-2-carboxamide SMILES: NC(=O)C1=NC=CN=C1Cl

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PubChem CID	301266
CAS	21279-62-9
Molecular Weight (g/mol)	157.56
MDL Number	MFCD09863915
SMILES	NC(=O)C1=NC=CN=C1Cl
IUPAC Name	3-chloropyrazine-2-carboxamide
InChI Key	YHPMRHPLAQSPHJ-UHFFFAOYSA-N
Molecular Formula	C5H4ClN3O

5-Amino-6-chloro-2,3-dicyanopyrazine 98.0+%, TCI America™

CAS: 56413-96-8 Molecular Formula: C6H2ClN5 Molecular Weight (g/mol): 179.57 MDL Number: MFCD00191417 InChI Key: CDKQWBZSAPRZNS-UHFFFAOYSA-N Synonym: 5-Amino-6-chloro-2,3-pyrazinedicarbonitrile PubChem CID: 601645 IUPAC Name: 5-amino-6-chloropyrazine-2,3-dicarbonitrile SMILES: NC1=NC(C#N)=C(N=C1Cl)C#N

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Specifications

PubChem CID	601645
CAS	56413-96-8
Molecular Weight (g/mol)	179.57
MDL Number	MFCD00191417
SMILES	NC1=NC(C#N)=C(N=C1Cl)C#N
Synonym	5-Amino-6-chloro-2,3-pyrazinedicarbonitrile
IUPAC Name	5-amino-6-chloropyrazine-2,3-dicarbonitrile
InChI Key	CDKQWBZSAPRZNS-UHFFFAOYSA-N
Molecular Formula	C6H2ClN5

2-Isobutyl-3-methoxypyrazine 97.0+%, TCI America™

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

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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

2-Amino-5-chloropyrazine 98.0+%, TCI America™

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

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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

2-Amino-5-phenylpyrazine 98.0+%, TCI America™

CAS: 13535-13-2 Molecular Formula: C10H9N3 Molecular Weight (g/mol): 171.20 MDL Number: MFCD01646266 InChI Key: KJAKXVBZQBPPOB-UHFFFAOYSA-N Synonym: 2-amino-5-phenylpyrazine,pyrazinamine, 5-phenyl,pyrazine, 2-amino-5-phenyl,acmc-1bpgx,5-phenyl-2-pyrazinamine,5-phenyl-2-aminopyrazine,2-pyrazinamine,5-phenyl,5-phenylpyrazine-2-ylamine,5-phenyl-2-pyrazinamine # PubChem CID: 598734 IUPAC Name: 5-phenylpyrazin-2-amine SMILES: NC1=NC=C(N=C1)C1=CC=CC=C1

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Specifications

PubChem CID	598734
CAS	13535-13-2
Molecular Weight (g/mol)	171.20
MDL Number	MFCD01646266
SMILES	NC1=NC=C(N=C1)C1=CC=CC=C1
Synonym	2-amino-5-phenylpyrazine,pyrazinamine, 5-phenyl,pyrazine, 2-amino-5-phenyl,acmc-1bpgx,5-phenyl-2-pyrazinamine,5-phenyl-2-aminopyrazine,2-pyrazinamine,5-phenyl,5-phenylpyrazine-2-ylamine,5-phenyl-2-pyrazinamine #
IUPAC Name	5-phenylpyrazin-2-amine
InChI Key	KJAKXVBZQBPPOB-UHFFFAOYSA-N
Molecular Formula	C10H9N3

5,6-Diamino-2,3-dicyanopyrazine 98.0+%, TCI America™

CAS: 36023-58-2 Molecular Formula: C6H4N6 Molecular Weight (g/mol): 160.14 MDL Number: MFCD00191418 InChI Key: FTHBTDDIVWLRLP-UHFFFAOYSA-N Synonym: 5,6-Diamino-2,3-pyrazinedicarbonitrile PubChem CID: 4120764 IUPAC Name: 5,6-diaminopyrazine-2,3-dicarbonitrile SMILES: C(#N)C1=C(N=C(C(=N1)N)N)C#N

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Specifications

PubChem CID	4120764
CAS	36023-58-2
Molecular Weight (g/mol)	160.14
MDL Number	MFCD00191418
SMILES	C(#N)C1=C(N=C(C(=N1)N)N)C#N
Synonym	5,6-Diamino-2,3-pyrazinedicarbonitrile
IUPAC Name	5,6-diaminopyrazine-2,3-dicarbonitrile
InChI Key	FTHBTDDIVWLRLP-UHFFFAOYSA-N
Molecular Formula	C6H4N6

6-Chloropyrazine-2-carboxylic Acid 96.0+%, TCI America™

CAS: 23688-89-3 Molecular Formula: C5H3ClN2O2 Molecular Weight (g/mol): 158.541 MDL Number: MFCD00837871 InChI Key: KGGYMBKTQCLOTE-UHFFFAOYSA-N Synonym: 6-chloro-pyrazine-2-carboxylic acid,6-chloro-2-pyrazinecarboxylic acid,2-carboxy-6-chloropyrazine,2-chloro-6-carboxypyrazine,pyrazinecarboxylic acid, 6-chloro,2-pyrazinecarboxylic acid, 6-chloro,6-chloropyrazine-2-carboxylicacid,6-chloro-pyrazine-2-carboxylicacid,pubchem16687,6-chloro-2-pyrazinoic acid PubChem CID: 14500875 IUPAC Name: 6-chloropyrazine-2-carboxylic acid SMILES: C1=C(N=C(C=N1)Cl)C(=O)O

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Specifications

PubChem CID	14500875
CAS	23688-89-3
Molecular Weight (g/mol)	158.541
MDL Number	MFCD00837871
SMILES	C1=C(N=C(C=N1)Cl)C(=O)O
Synonym	6-chloro-pyrazine-2-carboxylic acid,6-chloro-2-pyrazinecarboxylic acid,2-carboxy-6-chloropyrazine,2-chloro-6-carboxypyrazine,pyrazinecarboxylic acid, 6-chloro,2-pyrazinecarboxylic acid, 6-chloro,6-chloropyrazine-2-carboxylicacid,6-chloro-pyrazine-2-carboxylicacid,pubchem16687,6-chloro-2-pyrazinoic acid
IUPAC Name	6-chloropyrazine-2-carboxylic acid
InChI Key	KGGYMBKTQCLOTE-UHFFFAOYSA-N
Molecular Formula	C5H3ClN2O2

5-Chloropyrazine-2-carboxylic Acid 98.0+%, TCI America™

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

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