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 1,521 results

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

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

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Specifications

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

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

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Specifications

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

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-Aminopyrazine, 99%

CAS: 5049-61-6 Molecular Formula: C4H5N3 Molecular Weight (g/mol): 95.105 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)	95.105
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

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

5-Aminopyrazine-2-carboxylic acid, 95%

CAS: 40155-43-9 Molecular Formula: C5H5N3O2 Molecular Weight (g/mol): 139.114 MDL Number: MFCD07371664 InChI Key: FMEFOOOBIHQRMK-UHFFFAOYSA-N Synonym: 5-amino-2-pyrazinecarboxylic acid,2-amino-5-pyrazinecarboxylic acid,pyrazinecarboxylic acid, 5-amino,5-amino-pyrazine-2-carboxylic acid,5-aminopyrazine-2-carboxylicacid,5-amino-pyrazine-2-carboxylicacid,pubchem7866,5-amino-pyrazinecarboxylic acid,2-amino-5-pirazinecarboxylic acid PubChem CID: 21897334 IUPAC Name: 5-aminopyrazine-2-carboxylic acid SMILES: C1=C(N=CC(=N1)N)C(=O)O

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Specifications

PubChem CID	21897334
CAS	40155-43-9
Molecular Weight (g/mol)	139.114
MDL Number	MFCD07371664
SMILES	C1=C(N=CC(=N1)N)C(=O)O
Synonym	5-amino-2-pyrazinecarboxylic acid,2-amino-5-pyrazinecarboxylic acid,pyrazinecarboxylic acid, 5-amino,5-amino-pyrazine-2-carboxylic acid,5-aminopyrazine-2-carboxylicacid,5-amino-pyrazine-2-carboxylicacid,pubchem7866,5-amino-pyrazinecarboxylic acid,2-amino-5-pirazinecarboxylic acid
IUPAC Name	5-aminopyrazine-2-carboxylic acid
InChI Key	FMEFOOOBIHQRMK-UHFFFAOYSA-N
Molecular Formula	C5H5N3O2

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

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

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

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

2-Methoxy-3-methylpyrazine, 99%

CAS: 2847-30-5 Molecular Formula: C6H8N2O Molecular Weight (g/mol): 124.143 MDL Number: MFCD00006127 InChI Key: VKJIAEQRKBQLLA-UHFFFAOYSA-N Synonym: pyrazine, 2-methoxy-3-methyl,2-methyl-3-methoxypyrazine,2-methoxy-3-methyl-pyrazine,2-methoxy-3-methyl pyrazine,unii-04o7cn9q85,pyrazine, 2-methoxy-3 or 5-methyl,pyrazine, 2-methyl-3-methoxy,almond pyrazine,2-methoxy-3 or5-methylpyrazine,chocolate pyrazine a PubChem CID: 17898 IUPAC Name: 2-methoxy-3-methylpyrazine SMILES: CC1=NC=CN=C1OC

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Specifications

PubChem CID	17898
CAS	2847-30-5
Molecular Weight (g/mol)	124.143
MDL Number	MFCD00006127
SMILES	CC1=NC=CN=C1OC
Synonym	pyrazine, 2-methoxy-3-methyl,2-methyl-3-methoxypyrazine,2-methoxy-3-methyl-pyrazine,2-methoxy-3-methyl pyrazine,unii-04o7cn9q85,pyrazine, 2-methoxy-3 or 5-methyl,pyrazine, 2-methyl-3-methoxy,almond pyrazine,2-methoxy-3 or5-methylpyrazine,chocolate pyrazine a
IUPAC Name	2-methoxy-3-methylpyrazine
InChI Key	VKJIAEQRKBQLLA-UHFFFAOYSA-N
Molecular Formula	C6H8N2O

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

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-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

Pricing & Availability
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

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2,3-Pyrazinedicarboxylic Acid 98.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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