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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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1 – 15 of 215 results
1

2-Amino-6-chloropyrazine, 95%

CAS: 33332-28-4 Molecular Formula: C4H4ClN3 Molecular Weight (g/mol): 129.547 MDL Number: MFCD00055024 InChI Key: JTPXVCKCLBROOJ-UHFFFAOYSA-N Synonym: 2-amino-6-chloropyrazine,2-chloro-6-aminopyrazine,2-pyrazinamine, 6-chloro,pyrazinamine, 6-chloro,6-chloro-pyrazin-2-ylamine,6-chloro-2-pyrazinamine,6-chloropyrazin-2-ylamine,2-amino-6-chloro-pyrazine,6-chloropyrazine-2-ylamine,6-amino-2-chloropyrazine PubChem CID: 118458 IUPAC Name: 6-chloropyrazin-2-amine SMILES: C1=C(N=C(C=N1)Cl)N

PubChem CID 118458
CAS 33332-28-4
Molecular Weight (g/mol) 129.547
MDL Number MFCD00055024
SMILES C1=C(N=C(C=N1)Cl)N
Synonym 2-amino-6-chloropyrazine,2-chloro-6-aminopyrazine,2-pyrazinamine, 6-chloro,pyrazinamine, 6-chloro,6-chloro-pyrazin-2-ylamine,6-chloro-2-pyrazinamine,6-chloropyrazin-2-ylamine,2-amino-6-chloro-pyrazine,6-chloropyrazine-2-ylamine,6-amino-2-chloropyrazine
IUPAC Name 6-chloropyrazin-2-amine
InChI Key JTPXVCKCLBROOJ-UHFFFAOYSA-N
Molecular Formula C4H4ClN3
2

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

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
3

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

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
4

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

CAS: 1105511-66-7 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

PubChem CID 16427103
CAS 1105511-66-7
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
5

2-Amino-6-chloropyrazine 98.0+%, TCI America™

CAS: 33332-28-4 Molecular Formula: C4H4ClN3 Molecular Weight (g/mol): 129.547 MDL Number: MFCD00055024 InChI Key: JTPXVCKCLBROOJ-UHFFFAOYSA-N Synonym: 2-amino-6-chloropyrazine,2-chloro-6-aminopyrazine,2-pyrazinamine, 6-chloro,pyrazinamine, 6-chloro,6-chloro-pyrazin-2-ylamine,6-chloro-2-pyrazinamine,6-chloropyrazin-2-ylamine,2-amino-6-chloro-pyrazine,6-chloropyrazine-2-ylamine,6-amino-2-chloropyrazine PubChem CID: 118458 IUPAC Name: 6-chloropyrazin-2-amine SMILES: C1=C(N=C(C=N1)Cl)N

PubChem CID 118458
CAS 33332-28-4
Molecular Weight (g/mol) 129.547
MDL Number MFCD00055024
SMILES C1=C(N=C(C=N1)Cl)N
Synonym 2-amino-6-chloropyrazine,2-chloro-6-aminopyrazine,2-pyrazinamine, 6-chloro,pyrazinamine, 6-chloro,6-chloro-pyrazin-2-ylamine,6-chloro-2-pyrazinamine,6-chloropyrazin-2-ylamine,2-amino-6-chloro-pyrazine,6-chloropyrazine-2-ylamine,6-amino-2-chloropyrazine
IUPAC Name 6-chloropyrazin-2-amine
InChI Key JTPXVCKCLBROOJ-UHFFFAOYSA-N
Molecular Formula C4H4ClN3
6

2-Amino-6-methylpyrazine 97.0+%, TCI America™

CAS: 5521-56-2 Molecular Formula: C5H7N3 Molecular Weight (g/mol): 109.132 MDL Number: MFCD08235193 InChI Key: UAOOJJPSCLNTOP-UHFFFAOYSA-N Synonym: 2-amino-6-methylpyrazine,pyrazinamine, 6-methyl,6-methylpyrazine-2-ylamine,6-methyl-2-pyrazinamine,2-pyrazinamine,6-methyl,2-amino-6-methyl pyrazine,6-methyl-pyrazin-2-ylamine,acmc-1am75,6-methyl-pyrazinamine,6-methylpyrazin-2-ylamine PubChem CID: 12236939 IUPAC Name: 6-methylpyrazin-2-amine SMILES: CC1=CN=CC(=N1)N

PubChem CID 12236939
CAS 5521-56-2
Molecular Weight (g/mol) 109.132
MDL Number MFCD08235193
SMILES CC1=CN=CC(=N1)N
Synonym 2-amino-6-methylpyrazine,pyrazinamine, 6-methyl,6-methylpyrazine-2-ylamine,6-methyl-2-pyrazinamine,2-pyrazinamine,6-methyl,2-amino-6-methyl pyrazine,6-methyl-pyrazin-2-ylamine,acmc-1am75,6-methyl-pyrazinamine,6-methylpyrazin-2-ylamine
IUPAC Name 6-methylpyrazin-2-amine
InChI Key UAOOJJPSCLNTOP-UHFFFAOYSA-N
Molecular Formula C5H7N3
7

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

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
8

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

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
9

Methyl 3-Amino-6-bromopyrazine-2-carboxylate 98.0+%, TCI America™

CAS: 6966-01-4 Molecular Formula: C6H6BrN3O2 Molecular Weight (g/mol): 232.04 MDL Number: MFCD00834964 InChI Key: CNXSIRHOIFRMOB-UHFFFAOYSA-N Synonym: methyl3-amino-6-bromopyrazine-2-carboxylate,3-amino-6-bromopyrazine-2-carboxylic acid methyl ester,2-amino-5-bromo-3-methoxycarbonyl pyrazine,methyl 3-amino-6-bromo-2-pyrazinecarboxylate,methyl 6-bromo-3-amino-2-pyrazinecarboxylate,methyl 3-amino-6-bromo-pyrazine-2-carboxylate,pyrazinecarboxylic acid, 3-amino-6-bromo-, methyl ester,5-amino-2-bromo-6-pyrazinecarboxylic acidmethyl ester,2-amino-5-bromopyrazine-3-carboxylic acid methyl ester,pubchem22386 PubChem CID: 227251 IUPAC Name: methyl 3-amino-6-bromopyrazine-2-carboxylate SMILES: COC(=O)C1=NC(=CN=C1N)Br

PubChem CID 227251
CAS 6966-01-4
Molecular Weight (g/mol) 232.04
MDL Number MFCD00834964
SMILES COC(=O)C1=NC(=CN=C1N)Br
Synonym methyl3-amino-6-bromopyrazine-2-carboxylate,3-amino-6-bromopyrazine-2-carboxylic acid methyl ester,2-amino-5-bromo-3-methoxycarbonyl pyrazine,methyl 3-amino-6-bromo-2-pyrazinecarboxylate,methyl 6-bromo-3-amino-2-pyrazinecarboxylate,methyl 3-amino-6-bromo-pyrazine-2-carboxylate,pyrazinecarboxylic acid, 3-amino-6-bromo-, methyl ester,5-amino-2-bromo-6-pyrazinecarboxylic acidmethyl ester,2-amino-5-bromopyrazine-3-carboxylic acid methyl ester,pubchem22386
IUPAC Name methyl 3-amino-6-bromopyrazine-2-carboxylate
InChI Key CNXSIRHOIFRMOB-UHFFFAOYSA-N
Molecular Formula C6H6BrN3O2
10

Methyl 3,5-Diamino-6-chloropyrazine-2-carboxylate 98.0+%, TCI America™

CAS: 1458-01-1 Molecular Formula: C6H7ClN4O2 Molecular Weight (g/mol): 202.60 MDL Number: MFCD01928388 InChI Key: KOOBYHRLTYIPTH-UHFFFAOYSA-N Synonym: unii-4kat2q9chl,methyl 3,5-diamino-6-chloro-2-pyrazinecarboxylate,4kat2q9chl,methyl 3, 5-diamino-6-chloropyrazine-2-carboxylate,pyrazinecarboxylic acid, 3,5-diamino-6-chloro-, methyl ester,methyl-3,5-diamino-6-chloropyrazine-2-carboxylate,3,5-diamino-6-chloropyrazine-2-carboxylic acid methyl ester,pubchem11053,acmc-209cvs,methyl 3,5-diamino-6-chloropyrazinecarboxylate PubChem CID: 73827 IUPAC Name: methyl 3,5-diamino-6-chloropyrazine-2-carboxylate SMILES: COC(=O)C1=NC(Cl)=C(N)N=C1N

PubChem CID 73827
CAS 1458-01-1
Molecular Weight (g/mol) 202.60
MDL Number MFCD01928388
SMILES COC(=O)C1=NC(Cl)=C(N)N=C1N
Synonym unii-4kat2q9chl,methyl 3,5-diamino-6-chloro-2-pyrazinecarboxylate,4kat2q9chl,methyl 3, 5-diamino-6-chloropyrazine-2-carboxylate,pyrazinecarboxylic acid, 3,5-diamino-6-chloro-, methyl ester,methyl-3,5-diamino-6-chloropyrazine-2-carboxylate,3,5-diamino-6-chloropyrazine-2-carboxylic acid methyl ester,pubchem11053,acmc-209cvs,methyl 3,5-diamino-6-chloropyrazinecarboxylate
IUPAC Name methyl 3,5-diamino-6-chloropyrazine-2-carboxylate
InChI Key KOOBYHRLTYIPTH-UHFFFAOYSA-N
Molecular Formula C6H7ClN4O2
11

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

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
12

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.

13

Sigma Aldrich 6-piperazinonicotinonitrile

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
CAS 149554-29-0
14

Sigma Aldrich Methyl 3,5-diamino-6-chloropyrazine-2-carboxylate

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98%
Linear Formula C6H7ClN4O2
CAS 1458-01-1
Molecular Weight (g/mol) 202.6
MDL Number MFCD01928388
Recommended Storage Room Temperature
Molecular Formula C6H7ClN4O2
EINECS Number 215-946-1
Melting Point 211°C to 215°C (lit.)
15

Sigma Aldrich 6-Bromo-1H-indole-2,3-dione

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

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CAS 6326-79-0