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.

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616 – 630 of 3,115 results

616

2-Hydroxyquinoxaline 98.0+%, TCI America™

CAS: 1196-57-2 Molecular Formula: C8H6N2O Molecular Weight (g/mol): 146.15 MDL Number: MFCD00006722 InChI Key: FFRYUAVNPBUEIC-UHFFFAOYSA-N Synonym: 2-hydroxyquinoxaline,quinoxalin-2-ol,2-quinoxalinol,2 1h-quinoxalinone,quinoxalin-2 1h-one,quinoxalin-2-one,2-quinoxalinone,3-quinoxalinone,2-quinoxalone,1,2-dihydroquinoxalin-2-one PubChem CID: 14526 ChEBI: CHEBI:38890 IUPAC Name: 1,2-dihydroquinoxalin-2-one SMILES: O=C1NC2=CC=CC=C2N=C1

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PubChem CID	14526
CAS	1196-57-2
Molecular Weight (g/mol)	146.15
ChEBI	CHEBI:38890
MDL Number	MFCD00006722
SMILES	O=C1NC2=CC=CC=C2N=C1
Synonym	2-hydroxyquinoxaline,quinoxalin-2-ol,2-quinoxalinol,2 1h-quinoxalinone,quinoxalin-2 1h-one,quinoxalin-2-one,2-quinoxalinone,3-quinoxalinone,2-quinoxalone,1,2-dihydroquinoxalin-2-one
IUPAC Name	1,2-dihydroquinoxalin-2-one
InChI Key	FFRYUAVNPBUEIC-UHFFFAOYSA-N
Molecular Formula	C8H6N2O

617

3-(Cyanomethyl)-2,4,5-trimethylthiophene 98.0+%, TCI America™

CAS: 112440-49-0 Molecular Formula: C9H11NS Molecular Weight (g/mol): 165.25 MDL Number: MFCD00143113 InChI Key: GVRRCQCZKOPGDZ-UHFFFAOYSA-N PubChem CID: 14122208 IUPAC Name: 2-(2,4,5-trimethylthiophen-3-yl)acetonitrile SMILES: CC1=C(C)C(CC#N)=C(C)S1

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PubChem CID	14122208
CAS	112440-49-0
Molecular Weight (g/mol)	165.25
MDL Number	MFCD00143113
SMILES	CC1=C(C)C(CC#N)=C(C)S1
IUPAC Name	2-(2,4,5-trimethylthiophen-3-yl)acetonitrile
InChI Key	GVRRCQCZKOPGDZ-UHFFFAOYSA-N
Molecular Formula	C9H11NS

618

2-Isopropylimidazole 98.0+%, TCI America™

CAS: 36947-68-9 Molecular Formula: C6H10N2 Molecular Weight (g/mol): 110.16 MDL Number: MFCD00014486 InChI Key: FUOZJYASZOSONT-UHFFFAOYSA-N Synonym: 2-isopropylimidazole,2-isopropyl-1h-imidazole,1h-imidazole, 2-1-methylethyl,2-propan-2-yl-1h-imidazole,unii-a92tuy97g2,2-isopropylimdazole,2-isopropylimidazol,2-iso-propylimidazole,2-isopropyl imidazole,2-isopropyl-imidazole PubChem CID: 123457 IUPAC Name: 2-(propan-2-yl)-1H-imidazole SMILES: CC(C)C1=NC=CN1

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PubChem CID	123457
CAS	36947-68-9
Molecular Weight (g/mol)	110.16
MDL Number	MFCD00014486
SMILES	CC(C)C1=NC=CN1
Synonym	2-isopropylimidazole,2-isopropyl-1h-imidazole,1h-imidazole, 2-1-methylethyl,2-propan-2-yl-1h-imidazole,unii-a92tuy97g2,2-isopropylimdazole,2-isopropylimidazol,2-iso-propylimidazole,2-isopropyl imidazole,2-isopropyl-imidazole
IUPAC Name	2-(propan-2-yl)-1H-imidazole
InChI Key	FUOZJYASZOSONT-UHFFFAOYSA-N
Molecular Formula	C6H10N2

619

2,3-Dicyanopyrazine 99.0+%, TCI America™

CAS: 13481-25-9 Molecular Formula: C6H2N4 Molecular Weight (g/mol): 130.11 MDL Number: MFCD00059771 InChI Key: OTVZGAXESBAAQQ-UHFFFAOYSA-N Synonym: Pyrazine-2,3-dicarbonitrile PubChem CID: 300514 IUPAC Name: pyrazine-2,3-dicarbonitrile SMILES: C1=CN=C(C(=N1)C#N)C#N

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PubChem CID	300514
CAS	13481-25-9
Molecular Weight (g/mol)	130.11
MDL Number	MFCD00059771
SMILES	C1=CN=C(C(=N1)C#N)C#N
Synonym	Pyrazine-2,3-dicarbonitrile
IUPAC Name	pyrazine-2,3-dicarbonitrile
InChI Key	OTVZGAXESBAAQQ-UHFFFAOYSA-N
Molecular Formula	C6H2N4

620

2,3-Dimethylpyrazine 98.0+%, TCI America™

CAS: 5910-89-4 Molecular Formula: C6H8N2 Molecular Weight (g/mol): 108.14 MDL Number: MFCD00006144 InChI Key: OXQOBQJCDNLAPO-UHFFFAOYSA-N Synonym: pyrazine, 2,3-dimethyl,2,3-dimethyl-1,4-diazine,2,3-dimethyl-pyrazine,pyrazine, dimethyl,2,3-dimethyl pyrazine,ccris 2928,unii-whf7883d0v,fema no. 3271,natural,dimethylpyrazine PubChem CID: 22201 IUPAC Name: 2,3-dimethylpyrazine SMILES: CC1=NC=CN=C1C

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PubChem CID	22201
CAS	5910-89-4
Molecular Weight (g/mol)	108.14
MDL Number	MFCD00006144
SMILES	CC1=NC=CN=C1C
Synonym	pyrazine, 2,3-dimethyl,2,3-dimethyl-1,4-diazine,2,3-dimethyl-pyrazine,pyrazine, dimethyl,2,3-dimethyl pyrazine,ccris 2928,unii-whf7883d0v,fema no. 3271,natural,dimethylpyrazine
IUPAC Name	2,3-dimethylpyrazine
InChI Key	OXQOBQJCDNLAPO-UHFFFAOYSA-N
Molecular Formula	C6H8N2

621

2,8-Dimethyldibenzothiophene 97.0+%, TCI America™

CAS: 1207-15-4 Molecular Formula: C14H12S Molecular Weight (g/mol): 212.31 MDL Number: MFCD00191350 InChI Key: RRYWCJRYULRSJM-UHFFFAOYSA-N PubChem CID: 50959 IUPAC Name: 4,12-dimethyl-8-thiatricyclo[7.4.0.0²,⁷]trideca-1(9),2(7),3,5,10,12-hexaene SMILES: CC1=CC2=C(SC3=C2C=C(C)C=C3)C=C1

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PubChem CID	50959
CAS	1207-15-4
Molecular Weight (g/mol)	212.31
MDL Number	MFCD00191350
SMILES	CC1=CC2=C(SC3=C2C=C(C)C=C3)C=C1
IUPAC Name	4,12-dimethyl-8-thiatricyclo[7.4.0.0²,⁷]trideca-1(9),2(7),3,5,10,12-hexaene
InChI Key	RRYWCJRYULRSJM-UHFFFAOYSA-N
Molecular Formula	C14H12S

622

1,2-Di(4-pyridyl)ethane 98.0+%, TCI America™

CAS: 4916-57-8 Molecular Formula: C12H12N2 Molecular Weight (g/mol): 184.242 MDL Number: MFCD00006451 InChI Key: DQRKTVIJNCVZAX-UHFFFAOYSA-N Synonym: 1,2-bis 4-pyridyl ethane,1,2-di pyridin-4-yl ethane,4,4'-ethylenedipyridine,1,2-di 4-pyridyl ethane,4,4'-ethane-1,2-diyldipyridine,unii-wo1evc302b,pyridine, 4,4'-1,2-ethanediyl bis,wo1evc302b,chembl70083,4-2-pyridin-4-ylethyl pyridine PubChem CID: 78630 IUPAC Name: 4-(2-pyridin-4-ylethyl)pyridine SMILES: C1=CN=CC=C1CCC2=CC=NC=C2

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PubChem CID	78630
CAS	4916-57-8
Molecular Weight (g/mol)	184.242
MDL Number	MFCD00006451
SMILES	C1=CN=CC=C1CCC2=CC=NC=C2
Synonym	1,2-bis 4-pyridyl ethane,1,2-di pyridin-4-yl ethane,4,4'-ethylenedipyridine,1,2-di 4-pyridyl ethane,4,4'-ethane-1,2-diyldipyridine,unii-wo1evc302b,pyridine, 4,4'-1,2-ethanediyl bis,wo1evc302b,chembl70083,4-2-pyridin-4-ylethyl pyridine
IUPAC Name	4-(2-pyridin-4-ylethyl)pyridine
InChI Key	DQRKTVIJNCVZAX-UHFFFAOYSA-N
Molecular Formula	C12H12N2

623

4,6-Dimethylpyrimidine 98.0+%, TCI America™

CAS: 1558-17-4 Molecular Formula: C6H8N2 Molecular Weight (g/mol): 108.14 MDL Number: MFCD00006116 InChI Key: LSBIUXKNVUBKRI-UHFFFAOYSA-N Synonym: 4,6-dimethyl-pyrimidine,pyrimidine, 4,6-dimethyl,unii-95n99d3vhb,pyrimidine, 4,6-dimethyl-6ci,7ci,8ci,9ci,dimethylpyrimidinetech,zlchem 778,pubchem21498,4,6-dimethyl-pyrimidin,4,6-dimethyl-pyrmidine,acmc-1bwo9 PubChem CID: 15257 IUPAC Name: 4,6-dimethylpyrimidine SMILES: CC1=CC(C)=NC=N1

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PubChem CID	15257
CAS	1558-17-4
Molecular Weight (g/mol)	108.14
MDL Number	MFCD00006116
SMILES	CC1=CC(C)=NC=N1
Synonym	4,6-dimethyl-pyrimidine,pyrimidine, 4,6-dimethyl,unii-95n99d3vhb,pyrimidine, 4,6-dimethyl-6ci,7ci,8ci,9ci,dimethylpyrimidinetech,zlchem 778,pubchem21498,4,6-dimethyl-pyrimidin,4,6-dimethyl-pyrmidine,acmc-1bwo9
IUPAC Name	4,6-dimethylpyrimidine
InChI Key	LSBIUXKNVUBKRI-UHFFFAOYSA-N
Molecular Formula	C6H8N2

624

Imidazole 99.0+%, TCI America™

CAS: 288-32-4 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.08 MDL Number: MFCD00005183 InChI Key: RAXXELZNTBOGNW-UHFFFAOYSA-N Synonym: imidazole,glyoxaline,imidazol,iminazole,miazole,1,3-diazole,glyoxalin,imutex,1,3-diaza-2,4-cyclopentadiene,pyrro b monazole PubChem CID: 795 ChEBI: CHEBI:16069 IUPAC Name: 1H-imidazole SMILES: N1C=CN=C1

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PubChem CID	795
CAS	288-32-4
Molecular Weight (g/mol)	68.08
ChEBI	CHEBI:16069
MDL Number	MFCD00005183
SMILES	N1C=CN=C1
Synonym	imidazole,glyoxaline,imidazol,iminazole,miazole,1,3-diazole,glyoxalin,imutex,1,3-diaza-2,4-cyclopentadiene,pyrro b monazole
IUPAC Name	1H-imidazole
InChI Key	RAXXELZNTBOGNW-UHFFFAOYSA-N
Molecular Formula	C3H4N2

625

3-Ethynylthiophene 97.0+%, TCI America™

CAS: 67237-53-0 Molecular Formula: C6H4S Molecular Weight (g/mol): 108.158 MDL Number: MFCD04039973 InChI Key: MJHLPKWONJUCFK-UHFFFAOYSA-N Synonym: 3-ethynyl thiophene,thiophene, 3-ethynyl,3-thienylacetylene,thiophen-3-yl acetylene,3-ethynyl-thiophene,3-ethynyl thiophene;,pubchem16122,thien-3-yl acetylene,3-ethynylthiophene,ksc352m9b PubChem CID: 3548422 IUPAC Name: 3-ethynylthiophene SMILES: C#CC1=CSC=C1

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PubChem CID	3548422
CAS	67237-53-0
Molecular Weight (g/mol)	108.158
MDL Number	MFCD04039973
SMILES	C#CC1=CSC=C1
Synonym	3-ethynyl thiophene,thiophene, 3-ethynyl,3-thienylacetylene,thiophen-3-yl acetylene,3-ethynyl-thiophene,3-ethynyl thiophene;,pubchem16122,thien-3-yl acetylene,3-ethynylthiophene,ksc352m9b
IUPAC Name	3-ethynylthiophene
InChI Key	MJHLPKWONJUCFK-UHFFFAOYSA-N
Molecular Formula	C6H4S

626

Lilolidine 98.0+%, TCI America™

CAS: 5840-01-7 Molecular Formula: C11H11N Molecular Weight (g/mol): 157.22 MDL Number: MFCD09841910 InChI Key: QCCKSFHMARIKSK-UHFFFAOYSA-N Synonym: lilolidine,5,6-dihydro-4h-pyrrolo 3,2,1-ij quinoline,1,7-trimethyleneindole,2,3-dihydro-1h-pyrrolo 3,2,1-ij quinoline,4h-pyrrolo 3,2,1-ij quinoline, 5,6-dihydro,lilolidene,1-azatricyclo 6.3.1.0?, 1 2 dodeca-2,4,6,8 12-tetraene,g00001-watson-int,ksc917k8l PubChem CID: 15645629 SMILES: C1CC2=CC=CC3=C2N(C1)C=C3

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PubChem CID	15645629
CAS	5840-01-7
Molecular Weight (g/mol)	157.22
MDL Number	MFCD09841910
SMILES	C1CC2=CC=CC3=C2N(C1)C=C3
Synonym	lilolidine,5,6-dihydro-4h-pyrrolo 3,2,1-ij quinoline,1,7-trimethyleneindole,2,3-dihydro-1h-pyrrolo 3,2,1-ij quinoline,4h-pyrrolo 3,2,1-ij quinoline, 5,6-dihydro,lilolidene,1-azatricyclo 6.3.1.0?, 1 2 dodeca-2,4,6,8 12-tetraene,g00001-watson-int,ksc917k8l
InChI Key	QCCKSFHMARIKSK-UHFFFAOYSA-N
Molecular Formula	C11H11N

627

2-Ethylthiophene 97.0+%, TCI America™

CAS: 872-55-9 Molecular Formula: C6H8S Molecular Weight (g/mol): 112.19 MDL Number: MFCD00005461 InChI Key: JCCCMAAJYSNBPR-UHFFFAOYSA-N Synonym: thiophene, 2-ethyl,2-ethyl-thiophene,ethylthiophene,thiophene, ethyl,pubchem5536,acmc-209qjc,2-ethylthiophene,2-ethylthiophene, analytical standard,met 2-cl-4-metpyrimidine-6-carboxylate PubChem CID: 13388 IUPAC Name: 2-ethylthiophene SMILES: CCC1=CC=CS1

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PubChem CID	13388
CAS	872-55-9
Molecular Weight (g/mol)	112.19
MDL Number	MFCD00005461
SMILES	CCC1=CC=CS1
Synonym	thiophene, 2-ethyl,2-ethyl-thiophene,ethylthiophene,thiophene, ethyl,pubchem5536,acmc-209qjc,2-ethylthiophene,2-ethylthiophene, analytical standard,met 2-cl-4-metpyrimidine-6-carboxylate
IUPAC Name	2-ethylthiophene
InChI Key	JCCCMAAJYSNBPR-UHFFFAOYSA-N
Molecular Formula	C6H8S

628

2-Methylquinoxaline 98.0+%, TCI America™

CAS: 7251-61-8 Molecular Formula: C9H8N2 Molecular Weight (g/mol): 144.177 MDL Number: MFCD00006727 InChI Key: ALHUXMDEZNLFTA-UHFFFAOYSA-N Synonym: quinoxaline, 2-methyl,2-methyl quinoxaline,unii-03vu31mv6j,ccris 2948,methyl-quinoxaline,2-methyl-quinoxaline,acmc-1biyr,2-methylbenzopyrazine,2-methyl-1,4-naphthyridine,5-23-07-00219 beilstein handbook reference PubChem CID: 23686 IUPAC Name: 2-methylquinoxaline SMILES: CC1=NC2=CC=CC=C2N=C1

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PubChem CID	23686
CAS	7251-61-8
Molecular Weight (g/mol)	144.177
MDL Number	MFCD00006727
SMILES	CC1=NC2=CC=CC=C2N=C1
Synonym	quinoxaline, 2-methyl,2-methyl quinoxaline,unii-03vu31mv6j,ccris 2948,methyl-quinoxaline,2-methyl-quinoxaline,acmc-1biyr,2-methylbenzopyrazine,2-methyl-1,4-naphthyridine,5-23-07-00219 beilstein handbook reference
IUPAC Name	2-methylquinoxaline
InChI Key	ALHUXMDEZNLFTA-UHFFFAOYSA-N
Molecular Formula	C9H8N2

629

5-Methylbenzo[b]thiophene 98.0+%, TCI America™

CAS: 14315-14-1 Molecular Formula: C9H8S Molecular Weight (g/mol): 148.22 MDL Number: MFCD00052509 InChI Key: DOHZWDWNQFZIKH-UHFFFAOYSA-N Synonym: 5-methylbenzo b thiophene,benzo b thiophene, 5-methyl,5-methylbenzothiophene,5-methyl-benzo b thiophene,5-methylthianaphthene,5-methyl-benzothiophene,benzothiophene, 5-mehyl,5-methyl benzo b thiophene PubChem CID: 84346 IUPAC Name: 5-methyl-1-benzothiophene SMILES: CC1=CC=C2SC=CC2=C1

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PubChem CID	84346
CAS	14315-14-1
Molecular Weight (g/mol)	148.22
MDL Number	MFCD00052509
SMILES	CC1=CC=C2SC=CC2=C1
Synonym	5-methylbenzo b thiophene,benzo b thiophene, 5-methyl,5-methylbenzothiophene,5-methyl-benzo b thiophene,5-methylthianaphthene,5-methyl-benzothiophene,benzothiophene, 5-mehyl,5-methyl benzo b thiophene
IUPAC Name	5-methyl-1-benzothiophene
InChI Key	DOHZWDWNQFZIKH-UHFFFAOYSA-N
Molecular Formula	C9H8S

630

[2-[(Methylthio)(2H-pyrrol-2-ylidene)methyl]-1H-pyrrole](difluoroborane) 98.0+%, TCI America™

CAS: 892505-41-8 Molecular Formula: C10H9BF2N2S Molecular Weight (g/mol): 238.063 InChI Key: OSUYHKLOJHHXAI-UHFFFAOYSA-N PubChem CID: 23631051 SMILES: [B-]1(N2C=CC=C2C(=C3[N+]1=CC=C3)SC)(F)F

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PubChem CID	23631051
CAS	892505-41-8
Molecular Weight (g/mol)	238.063
SMILES	[B-]1(N2C=CC=C2C(=C3[N+]1=CC=C3)SC)(F)F
InChI Key	OSUYHKLOJHHXAI-UHFFFAOYSA-N
Molecular Formula	C10H9BF2N2S

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