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 1,203 results

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

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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Specifications

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

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.

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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

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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

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

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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

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

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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

Pyrazine-2,3-dicarboxylic acid, 98%

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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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-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

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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

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

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

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Specifications

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

2-Methoxy-6-(tri-n-butylstannyl)pyrazine, 95%

CAS: 1105511667 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

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Specifications

PubChem CID	16427103
CAS	1105511667
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

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

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Specifications

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

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

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Specifications

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

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

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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

2-Amino-5-methylpyrazine, 98%

CAS: 5521-58-4 Molecular Formula: C5H7N3 Molecular Weight (g/mol): 109.132 MDL Number: MFCD08437664 InChI Key: ZNQOALAKPLGUPH-UHFFFAOYSA-N Synonym: 2-amino-5-methylpyrazine,5-methyl-pyrazin-2-ylamine,5-methyl-2-pyrazinamine,pyrazinamine, 5-methyl,2-amino-5 methylpyrazine,5-methyl-2-aminopyrazine,2-amino-5-methyl pyrazine,5-methylpyrazine-2-ylamine,2-pyrazinamine, 5-methyl,pubchem15710 PubChem CID: 313215 IUPAC Name: 5-methylpyrazin-2-amine SMILES: CC1=CN=C(C=N1)N

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Specifications

PubChem CID	313215
CAS	5521-58-4
Molecular Weight (g/mol)	109.132
MDL Number	MFCD08437664
SMILES	CC1=CN=C(C=N1)N
Synonym	2-amino-5-methylpyrazine,5-methyl-pyrazin-2-ylamine,5-methyl-2-pyrazinamine,pyrazinamine, 5-methyl,2-amino-5 methylpyrazine,5-methyl-2-aminopyrazine,2-amino-5-methyl pyrazine,5-methylpyrazine-2-ylamine,2-pyrazinamine, 5-methyl,pubchem15710
IUPAC Name	5-methylpyrazin-2-amine
InChI Key	ZNQOALAKPLGUPH-UHFFFAOYSA-N
Molecular Formula	C5H7N3

Pyrazines

Pyrazines

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