Heteroaromatic compounds

Organic compounds that contain one or more heterocycles that are aromatic; heterocycles are rings that contain atoms from two or more types of elements.

2,281 – 2,295 of 2,322 results

2,281

5,6-Dicyano-3-thienyl-2-pyrazinone, 97%, Thermo Scientific™

CAS: 1421263-07-1 Molecular Formula: C10H4N4OS Molecular Weight (g/mol): 228.229 MDL Number: MFCD22988953 InChI Key: UNKZQYRUAFQDJO-UHFFFAOYSA-N Synonym: 5,6-dicyano-3-thienyl-2-pyrazinone,5-oxo-6-thiophen-3-yl-4h-pyrazine-2,3-dicarbonitrile PubChem CID: 97030351 IUPAC Name: 6-oxo-5-thiophen-3-yl-1H-pyrazine-2,3-dicarbonitrile SMILES: C1=CSC=C1C2=NC(=C(NC2=O)C#N)C#N

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Specifications

PubChem CID	97030351
CAS	1421263-07-1
Molecular Weight (g/mol)	228.229
MDL Number	MFCD22988953
SMILES	C1=CSC=C1C2=NC(=C(NC2=O)C#N)C#N
Synonym	5,6-dicyano-3-thienyl-2-pyrazinone,5-oxo-6-thiophen-3-yl-4h-pyrazine-2,3-dicarbonitrile
IUPAC Name	6-oxo-5-thiophen-3-yl-1H-pyrazine-2,3-dicarbonitrile
InChI Key	UNKZQYRUAFQDJO-UHFFFAOYSA-N
Molecular Formula	C10H4N4OS

2,282

3-Hexylthiophene 99+%, Thermo Scientific™

CAS: 1693-86-3 Molecular Formula: C10H16S Molecular Weight (g/mol): 168.298 InChI Key: JEDHEMYZURJGRQ-UHFFFAOYSA-N Synonym: 3-n-hexylthiophene,thiophene, 3-hexyl,3-hexylthiopene,3-hexylthiophen,4-hexylthiophene,hexylthiophene 3-,pubchem8861,poly,3-hexylthiophene,3-hexylthiophene, 97+% PubChem CID: 566849 IUPAC Name: 3-hexylthiophene SMILES: CCCCCCC1=CSC=C1

Pricing & Availability
Specifications

PubChem CID	566849
CAS	1693-86-3
Molecular Weight (g/mol)	168.298
SMILES	CCCCCCC1=CSC=C1
Synonym	3-n-hexylthiophene,thiophene, 3-hexyl,3-hexylthiopene,3-hexylthiophen,4-hexylthiophene,hexylthiophene 3-,pubchem8861,poly,3-hexylthiophene,3-hexylthiophene, 97+%
IUPAC Name	3-hexylthiophene
InChI Key	JEDHEMYZURJGRQ-UHFFFAOYSA-N
Molecular Formula	C10H16S

2,283

2-n-Propylthiophene, 97%, Thermo Scientific™

CAS: 1551-27-5 Molecular Formula: C7H10S Molecular Weight (g/mol): 126.217 MDL Number: MFCD00014533 InChI Key: BTXIJTYYMLCUHI-UHFFFAOYSA-N Synonym: 2-n-propylthiophene,thiophene, 2-propyl,isopropylthiophene,2-n-propyl thiophene,2-propyl-thiophene,2-propyl thiophene,thiophene, propyl,thiophene,2-propyl,2-propylthiophene,4-hydroxy-benzenesulfonamide PubChem CID: 73771 IUPAC Name: 2-propylthiophene SMILES: CCCC1=CC=CS1

Pricing & Availability
Specifications

PubChem CID	73771
CAS	1551-27-5
Molecular Weight (g/mol)	126.217
MDL Number	MFCD00014533
SMILES	CCCC1=CC=CS1
Synonym	2-n-propylthiophene,thiophene, 2-propyl,isopropylthiophene,2-n-propyl thiophene,2-propyl-thiophene,2-propyl thiophene,thiophene, propyl,thiophene,2-propyl,2-propylthiophene,4-hydroxy-benzenesulfonamide
IUPAC Name	2-propylthiophene
InChI Key	BTXIJTYYMLCUHI-UHFFFAOYSA-N
Molecular Formula	C7H10S

2,284

3-Phenyl-4(3H)-quinazolinone, 98%, Thermo Scientific™

CAS: 16347-60-7 Molecular Formula: C14H10N2O Molecular Weight (g/mol): 222.247 MDL Number: MFCD00024102 InChI Key: WAIHFZPSLVDBRV-UHFFFAOYSA-N PubChem CID: 785275 IUPAC Name: 3-phenylquinazolin-4-one SMILES: C1=CC=C(C=C1)N2C=NC3=CC=CC=C3C2=O

Pricing & Availability
Specifications

PubChem CID	785275
CAS	16347-60-7
Molecular Weight (g/mol)	222.247
MDL Number	MFCD00024102
SMILES	C1=CC=C(C=C1)N2C=NC3=CC=CC=C3C2=O
IUPAC Name	3-phenylquinazolin-4-one
InChI Key	WAIHFZPSLVDBRV-UHFFFAOYSA-N
Molecular Formula	C14H10N2O

2,285

5,6-Dicyano-3-(alpha-cyanobenzyl)-2-pyrazinone, 97%, Thermo Scientific™

CAS: 1858250-88-0 Molecular Formula: C14H7N5O Molecular Weight (g/mol): 261.24 MDL Number: MFCD22988939 InChI Key: AYYZLKCHDZQMQF-UHFFFAOYNA-N Synonym: 5,6-dicyano-3-alpha-cyanobenzyl-2-pyrazinone,5-cyano phenyl methyl-6-oxo-1h-pyrazine-2,3-dicarbonitrile PubChem CID: 73996304 IUPAC Name: 5-[cyano(phenyl)methyl]-6-oxo-1H-pyrazine-2,3-dicarbonitrile SMILES: O=C1NC(C#N)=C(N=C1C(C#N)C1=CC=CC=C1)C#N

Pricing & Availability
Specifications

PubChem CID	73996304
CAS	1858250-88-0
Molecular Weight (g/mol)	261.24
MDL Number	MFCD22988939
SMILES	O=C1NC(C#N)=C(N=C1C(C#N)C1=CC=CC=C1)C#N
Synonym	5,6-dicyano-3-alpha-cyanobenzyl-2-pyrazinone,5-cyano phenyl methyl-6-oxo-1h-pyrazine-2,3-dicarbonitrile
IUPAC Name	5-[cyano(phenyl)methyl]-6-oxo-1H-pyrazine-2,3-dicarbonitrile
InChI Key	AYYZLKCHDZQMQF-UHFFFAOYNA-N
Molecular Formula	C14H7N5O

2,286

5-Ethylpyridine-2,3-dicarboxylic acid, 94%, Thermo Scientific™

CAS: 102268-15-5 Molecular Formula: C9H9NO4 Molecular Weight (g/mol): 195.174 MDL Number: MFCD00071733 InChI Key: MTAVBTGOXNGCJR-UHFFFAOYSA-N Synonym: 5-ethylquinolinic acid,5-ethyl-2,3-pyridinedicarboxylic acid,2,3-pyridinedicarboxylic acid, 5-ethyl,5-ethyl-2,3-pyridine dicarboxylic acid,5-ethylpyridine-2,3-dicarboxylicacid,pubchem16905,dsstox_cid_9072,dsstox_rid_78667,dsstox_gsid_29072,ksc179a3d PubChem CID: 113606 IUPAC Name: 5-ethylpyridine-2,3-dicarboxylic acid SMILES: CCC1=CN=C(C(=C1)C(=O)O)C(=O)O

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Specifications

PubChem CID	113606
CAS	102268-15-5
Molecular Weight (g/mol)	195.174
MDL Number	MFCD00071733
SMILES	CCC1=CN=C(C(=C1)C(=O)O)C(=O)O
Synonym	5-ethylquinolinic acid,5-ethyl-2,3-pyridinedicarboxylic acid,2,3-pyridinedicarboxylic acid, 5-ethyl,5-ethyl-2,3-pyridine dicarboxylic acid,5-ethylpyridine-2,3-dicarboxylicacid,pubchem16905,dsstox_cid_9072,dsstox_rid_78667,dsstox_gsid_29072,ksc179a3d
IUPAC Name	5-ethylpyridine-2,3-dicarboxylic acid
InChI Key	MTAVBTGOXNGCJR-UHFFFAOYSA-N
Molecular Formula	C9H9NO4

2,287

2-Thiopheneacetyl chloride, 98%

CAS: 39098-97-0 Molecular Formula: C6H5ClOS Molecular Weight (g/mol): 160.615 MDL Number: MFCD00005456 InChI Key: AJYXPNIENRLELY-UHFFFAOYSA-N Synonym: 2-thiopheneacetyl chloride,2-thiophen-2-yl acetyl chloride,2-thienylacetyl chloride,2-thiophene acetyl chloride,thiophene-2-acetyl chloride,2-2-thienyl acetyl chloride,thiopheneacetyl chloride,2-thiopheneacetylchloride,thienylacetyl chloride,thien-2-ylacetyl chloride PubChem CID: 162362 IUPAC Name: 2-thiophen-2-ylacetyl chloride SMILES: C1=CSC(=C1)CC(=O)Cl

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Specifications

PubChem CID	162362
CAS	39098-97-0
Molecular Weight (g/mol)	160.615
MDL Number	MFCD00005456
SMILES	C1=CSC(=C1)CC(=O)Cl
Synonym	2-thiopheneacetyl chloride,2-thiophen-2-yl acetyl chloride,2-thienylacetyl chloride,2-thiophene acetyl chloride,thiophene-2-acetyl chloride,2-2-thienyl acetyl chloride,thiopheneacetyl chloride,2-thiopheneacetylchloride,thienylacetyl chloride,thien-2-ylacetyl chloride
IUPAC Name	2-thiophen-2-ylacetyl chloride
InChI Key	AJYXPNIENRLELY-UHFFFAOYSA-N
Molecular Formula	C6H5ClOS

2,288

3-Pyridylacetonitrile, MP Biomedicals

CAS: 6443-85-2 Molecular Formula: C7H6N2 Molecular Weight (g/mol): 118.14 MDL Number: MFCD00006406 InChI Key: OIPHWUPMXHQWLR-UHFFFAOYSA-N Synonym: 3-pyridineacetonitrile,3-pyridylacetonitrile,2-pyridin-3-yl acetonitrile,pyridine-3-acetonitrile,3-cyanomethylpyridine,3-cyanomethyl pyridine,pyridin-3-ylacetonitrile,2-3-pyridyl ethanenitrile,pyridin-3-yl-acetonitrile,3-pyridyl acetonitrile PubChem CID: 80923 IUPAC Name: 2-(pyridin-3-yl)acetonitrile SMILES: N#CCC1=CC=CN=C1

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Specifications

PubChem CID	80923
CAS	6443-85-2
Molecular Weight (g/mol)	118.14
MDL Number	MFCD00006406
SMILES	N#CCC1=CC=CN=C1
Synonym	3-pyridineacetonitrile,3-pyridylacetonitrile,2-pyridin-3-yl acetonitrile,pyridine-3-acetonitrile,3-cyanomethylpyridine,3-cyanomethyl pyridine,pyridin-3-ylacetonitrile,2-3-pyridyl ethanenitrile,pyridin-3-yl-acetonitrile,3-pyridyl acetonitrile
IUPAC Name	2-(pyridin-3-yl)acetonitrile
InChI Key	OIPHWUPMXHQWLR-UHFFFAOYSA-N
Molecular Formula	C7H6N2

2,289

4,6-Dimethyl-2-(methylsulfonyl)pyrimidine, 98%, Thermo Scientific™

CAS: 35144-22-0 Molecular Formula: C7H10N2O2S Molecular Weight (g/mol): 186.229 MDL Number: MFCD03788286 InChI Key: ZHPSNGCLCHWTRG-UHFFFAOYSA-N Synonym: 4,6-dimethyl-2-methylsulfonyl pyrimidine,2-methanesulfonyl-4,6-dimethylpyrimidine,2-methanesulfonyl-4,6-dimethyl-pyrimidine,2-methylsulfonyl-4,6-dimethylpyrimidine,pyrimidine, 4,6-dimethyl-2-methylsulfonyl,4,6-dimethyl-2-methylsulfonyl-pyrimidine,pubchem10458,pubchem21462,acmc-209idk,ksc496i3d PubChem CID: 2772382 IUPAC Name: 4,6-dimethyl-2-methylsulfonylpyrimidine SMILES: CC1=CC(=NC(=N1)S(=O)(=O)C)C

Pricing & Availability
Specifications

PubChem CID	2772382
CAS	35144-22-0
Molecular Weight (g/mol)	186.229
MDL Number	MFCD03788286
SMILES	CC1=CC(=NC(=N1)S(=O)(=O)C)C
Synonym	4,6-dimethyl-2-methylsulfonyl pyrimidine,2-methanesulfonyl-4,6-dimethylpyrimidine,2-methanesulfonyl-4,6-dimethyl-pyrimidine,2-methylsulfonyl-4,6-dimethylpyrimidine,pyrimidine, 4,6-dimethyl-2-methylsulfonyl,4,6-dimethyl-2-methylsulfonyl-pyrimidine,pubchem10458,pubchem21462,acmc-209idk,ksc496i3d
IUPAC Name	4,6-dimethyl-2-methylsulfonylpyrimidine
InChI Key	ZHPSNGCLCHWTRG-UHFFFAOYSA-N
Molecular Formula	C7H10N2O2S

2,290

4-Azaindole, 98%, Thermo Scientific™

CAS: 272-49-1 Molecular Formula: C7H6N2 Molecular Weight (g/mol): 118.14 MDL Number: MFCD00971977 InChI Key: XWIYUCRMWCHYJR-UHFFFAOYSA-N Synonym: 4-azaindole,1h-pyrrolo 3,2-b pyridine,1,4-diazaindene,pyrrolopyridine,4h-pyrrolo 3,2-b pyridine,1h-pyrrolo 3.2-b pyridine,zlchem 17,pubchem7675,acmc-1clkx PubChem CID: 9226 IUPAC Name: 1H-pyrrolo[3,2-b]pyridine SMILES: N1C=CC2=NC=CC=C12

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Specifications

PubChem CID	9226
CAS	272-49-1
Molecular Weight (g/mol)	118.14
MDL Number	MFCD00971977
SMILES	N1C=CC2=NC=CC=C12
Synonym	4-azaindole,1h-pyrrolo 3,2-b pyridine,1,4-diazaindene,pyrrolopyridine,4h-pyrrolo 3,2-b pyridine,1h-pyrrolo 3.2-b pyridine,zlchem 17,pubchem7675,acmc-1clkx
IUPAC Name	1H-pyrrolo[3,2-b]pyridine
InChI Key	XWIYUCRMWCHYJR-UHFFFAOYSA-N
Molecular Formula	C7H6N2

2,291

3-(alpha-Cyanobenzyl)-2(1H)-quinoxalinone, 97%, Thermo Scientific™

CAS: 38036-61-2 Molecular Formula: C16H11N3O Molecular Weight (g/mol): 261.28 MDL Number: MFCD02672595 InChI Key: JPISUJFDUFVJAO-UHFFFAOYNA-N Synonym: 2-3-oxo-4h-quinoxalin-2-yl-2-phenylacetonitrile,3-alpha-cyanobenzyl-2 1h-quinoxalinone,3-oxo-3,4-dihydro-2-quinoxalinyl phenyl acetonitrile PubChem CID: 12365192 IUPAC Name: 2-(3-oxo-4H-quinoxalin-2-yl)-2-phenylacetonitrile SMILES: O=C1NC2=CC=CC=C2N=C1C(C#N)C1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	12365192
CAS	38036-61-2
Molecular Weight (g/mol)	261.28
MDL Number	MFCD02672595
SMILES	O=C1NC2=CC=CC=C2N=C1C(C#N)C1=CC=CC=C1
Synonym	2-3-oxo-4h-quinoxalin-2-yl-2-phenylacetonitrile,3-alpha-cyanobenzyl-2 1h-quinoxalinone,3-oxo-3,4-dihydro-2-quinoxalinyl phenyl acetonitrile
IUPAC Name	2-(3-oxo-4H-quinoxalin-2-yl)-2-phenylacetonitrile
InChI Key	JPISUJFDUFVJAO-UHFFFAOYNA-N
Molecular Formula	C16H11N3O

2,292

1H-Tetrazole 99+%, Thermo Scientific™

CAS: 288-94-8 Molecular Formula: CH2N4 Molecular Weight (g/mol): 70.055 InChI Key: KJUGUADJHNHALS-UHFFFAOYSA-N PubChem CID: 67519 ChEBI: CHEBI:33193 IUPAC Name: 2H-tetrazole SMILES: C1=NNN=N1

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Specifications

PubChem CID	67519
CAS	288-94-8
Molecular Weight (g/mol)	70.055
ChEBI	CHEBI:33193
SMILES	C1=NNN=N1
IUPAC Name	2H-tetrazole
InChI Key	KJUGUADJHNHALS-UHFFFAOYSA-N
Molecular Formula	CH2N4

2,293

Thermo Scientific Chemicals 1-Phenyl-1H-pyrazole, 99%, Thermo Scientific™

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2,294

trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene 97.0+%, TCI America™

CAS: 112440-50-3 Molecular Formula: C18H18N2S2 Molecular Weight (g/mol): 326.476 MDL Number: MFCD00145417 InChI Key: AYNDKKQQUZPETC-FOCLMDBBSA-N Synonym: 1,2-Bis(2,4,5-trimethyl-3-thienyl)-trans-1,2-dicyanoethene PubChem CID: 14122209 IUPAC Name: (E)-2,3-bis(2,4,5-trimethylthiophen-3-yl)but-2-enedinitrile SMILES: CC1=C(SC(=C1C(=C(C#N)C2=C(SC(=C2C)C)C)C#N)C)C

Pricing & Availability
Specifications

PubChem CID	14122209
CAS	112440-50-3
Molecular Weight (g/mol)	326.476
MDL Number	MFCD00145417
SMILES	CC1=C(SC(=C1C(=C(C#N)C2=C(SC(=C2C)C)C)C#N)C)C
Synonym	1,2-Bis(2,4,5-trimethyl-3-thienyl)-trans-1,2-dicyanoethene
IUPAC Name	(E)-2,3-bis(2,4,5-trimethylthiophen-3-yl)but-2-enedinitrile
InChI Key	AYNDKKQQUZPETC-FOCLMDBBSA-N
Molecular Formula	C18H18N2S2

2,295

3,5-Dimethyl-1-phenylpyrazole 98.0+%, TCI America™

CAS: 1131-16-4 Molecular Formula: C11H12N2 Molecular Weight (g/mol): 172.231 MDL Number: MFCD00020728 InChI Key: ULPMPUPEFBDQQA-UHFFFAOYSA-N Synonym: 3,5-dimethyl-1-phenyl-1h-pyrazole,1h-pyrazole, 3,5-dimethyl-1-phenyl,dimethylphenylpyrazole,unii-0sb52bxx7m,1h-pyrazole,3,5-dimethyl-1-phenyl,0sb52bxx7m,1,3-dimethyl-5-phenylpyrazole,phenyldimethylpyrazole,enamine_001158,pyrazole, dimethylphenyl PubChem CID: 70800 IUPAC Name: 3,5-dimethyl-1-phenylpyrazole SMILES: CC1=CC(=NN1C2=CC=CC=C2)C

Pricing & Availability
Specifications

PubChem CID	70800
CAS	1131-16-4
Molecular Weight (g/mol)	172.231
MDL Number	MFCD00020728
SMILES	CC1=CC(=NN1C2=CC=CC=C2)C
Synonym	3,5-dimethyl-1-phenyl-1h-pyrazole,1h-pyrazole, 3,5-dimethyl-1-phenyl,dimethylphenylpyrazole,unii-0sb52bxx7m,1h-pyrazole,3,5-dimethyl-1-phenyl,0sb52bxx7m,1,3-dimethyl-5-phenylpyrazole,phenyldimethylpyrazole,enamine_001158,pyrazole, dimethylphenyl
IUPAC Name	3,5-dimethyl-1-phenylpyrazole
InChI Key	ULPMPUPEFBDQQA-UHFFFAOYSA-N
Molecular Formula	C11H12N2

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Heteroaromatic compounds

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trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene 97.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

3,5-Dimethyl-1-phenylpyrazole 98.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene 97.0+%, TCI America™

3,5-Dimethyl-1-phenylpyrazole 98.0+%, TCI America™