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.

166 – 180 of 2,275 results

166

1-Benzothiophene-5-carbonitrile, ≥95%, Thermo Scientific™

CAS: 2060-63-1 Molecular Formula: C9H5NS Molecular Weight (g/mol): 159.21 MDL Number: MFCD05664404 InChI Key: IPJUOWGTGHKFKN-UHFFFAOYSA-N Synonym: benzo b thiophene-5-carbonitrile,5-cyanobenzothiophene,pubchem9722,5-thionaphthenecarbonitrile,benzo thiophene-5-carbonitrile,benzo,a thiophene-5-carbonitrile,benzothiophene-5-carbonitrile,1-benzo b thiophene-5-carbonitrile PubChem CID: 2795452 IUPAC Name: 1-benzothiophene-5-carbonitrile SMILES: N#CC1=CC=C2SC=CC2=C1

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Specifications

PubChem CID	2795452
CAS	2060-63-1
Molecular Weight (g/mol)	159.21
MDL Number	MFCD05664404
SMILES	N#CC1=CC=C2SC=CC2=C1
Synonym	benzo b thiophene-5-carbonitrile,5-cyanobenzothiophene,pubchem9722,5-thionaphthenecarbonitrile,benzo thiophene-5-carbonitrile,benzo,a thiophene-5-carbonitrile,benzothiophene-5-carbonitrile,1-benzo b thiophene-5-carbonitrile
IUPAC Name	1-benzothiophene-5-carbonitrile
InChI Key	IPJUOWGTGHKFKN-UHFFFAOYSA-N
Molecular Formula	C9H5NS

167

Ethyl thiophene-3-acetate, 98%

CAS: 37784-63-7 Molecular Formula: C8H10O2S Molecular Weight (g/mol): 170.23 MDL Number: MFCD00005472 InChI Key: FZBNQIWPYCUPAP-UHFFFAOYSA-N Synonym: ethyl thiophene-3-acetate,ethyl 3-thienylacetate,ethyl 3-thiopheneacetate,ethyl 2-thiophen-3-yl acetate,3-thiopheneacetic acid, ethyl ester,ethyl 3-thienylacetate #,acmc-1afw1,ethyl 2-3-thienyl acetate,bidd:gt0101,ethyl 2-thiophen-3-ylethanoate PubChem CID: 520865 SMILES: CCOC(=O)CC1=CSC=C1

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Specifications

PubChem CID	520865
CAS	37784-63-7
Molecular Weight (g/mol)	170.23
MDL Number	MFCD00005472
SMILES	CCOC(=O)CC1=CSC=C1
Synonym	ethyl thiophene-3-acetate,ethyl 3-thienylacetate,ethyl 3-thiopheneacetate,ethyl 2-thiophen-3-yl acetate,3-thiopheneacetic acid, ethyl ester,ethyl 3-thienylacetate #,acmc-1afw1,ethyl 2-3-thienyl acetate,bidd:gt0101,ethyl 2-thiophen-3-ylethanoate
InChI Key	FZBNQIWPYCUPAP-UHFFFAOYSA-N
Molecular Formula	C8H10O2S

168

2-Ethylthiophene, 99%

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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Specifications

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

169

Pyrazine, 99+% (dry wt.) water <1.0%

CAS: 290-37-9 Molecular Formula: C4H4N2 Molecular Weight (g/mol): 80.09 MDL Number: MFCD00006122 InChI Key: KYQCOXFCLRTKLS-UHFFFAOYSA-N Synonym: 1,4-diazine,p-diazine,paradiazine,piazine,1,4-diazabenzene,pyrazin,ccris 1331,1,4-diazin,mixture,mu-pyrazine; PubChem CID: 9261 ChEBI: CHEBI:30953 IUPAC Name: pyrazine SMILES: C1=CN=CC=N1

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Specifications

PubChem CID	9261
CAS	290-37-9
Molecular Weight (g/mol)	80.09
ChEBI	CHEBI:30953
MDL Number	MFCD00006122
SMILES	C1=CN=CC=N1
Synonym	1,4-diazine,p-diazine,paradiazine,piazine,1,4-diazabenzene,pyrazin,ccris 1331,1,4-diazin,mixture,mu-pyrazine;
IUPAC Name	pyrazine
InChI Key	KYQCOXFCLRTKLS-UHFFFAOYSA-N
Molecular Formula	C4H4N2

170

5-Mercapto-1-methyltetrazole, 98%

CAS: 13183-79-4 Molecular Formula: C2H4N4S Molecular Weight (g/mol): 116.14 MDL Number: MFCD00037317 InChI Key: XOHZHMUQBFJTNH-UHFFFAOYSA-N Synonym: 5-mercapto-1-methyltetrazole,1-methyl-5-mercaptotetrazole,1-methyl-1h-tetrazole-5-thiol,1-n-methyl-5-thiotetrazole,1-methyltetrazole-5-thiol,n-methyltetrazolethiol,1-methyl-5-tetrazolethione,1-methyl-5-mercapto-1h-tetrazole,1-methyl-5-mercapto-1,2,3,4-tetrazole,5h-tetrazole-5-thione, 1,2-dihydro-1-methyl PubChem CID: 2723772 IUPAC Name: 1-methyl-2H-tetrazole-5-thione SMILES: CN1NN=NC1=S

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Specifications

PubChem CID	2723772
CAS	13183-79-4
Molecular Weight (g/mol)	116.14
MDL Number	MFCD00037317
SMILES	CN1NN=NC1=S
Synonym	5-mercapto-1-methyltetrazole,1-methyl-5-mercaptotetrazole,1-methyl-1h-tetrazole-5-thiol,1-n-methyl-5-thiotetrazole,1-methyltetrazole-5-thiol,n-methyltetrazolethiol,1-methyl-5-tetrazolethione,1-methyl-5-mercapto-1h-tetrazole,1-methyl-5-mercapto-1,2,3,4-tetrazole,5h-tetrazole-5-thione, 1,2-dihydro-1-methyl
IUPAC Name	1-methyl-2H-tetrazole-5-thione
InChI Key	XOHZHMUQBFJTNH-UHFFFAOYSA-N
Molecular Formula	C2H4N4S

171

2-Ethylfuran, 98+%

CAS: 3208-16-0 Molecular Formula: C6H8O Molecular Weight (g/mol): 96.13 MDL Number: MFCD00003259 InChI Key: HLPIHRDZBHXTFJ-UHFFFAOYSA-N Synonym: furan, 2-ethyl,alpha-ethylfuran,2-ethyloxole,2-ethyl furan,ccris 4387,unii-t8o6j71t9o,fema no. 3673,furan, .alpha.-ethyl,a-ethylfuran,2-ethyl furane PubChem CID: 18554 IUPAC Name: 2-ethylfuran SMILES: CCC1=CC=CO1

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Specifications

PubChem CID	18554
CAS	3208-16-0
Molecular Weight (g/mol)	96.13
MDL Number	MFCD00003259
SMILES	CCC1=CC=CO1
Synonym	furan, 2-ethyl,alpha-ethylfuran,2-ethyloxole,2-ethyl furan,ccris 4387,unii-t8o6j71t9o,fema no. 3673,furan, .alpha.-ethyl,a-ethylfuran,2-ethyl furane
IUPAC Name	2-ethylfuran
InChI Key	HLPIHRDZBHXTFJ-UHFFFAOYSA-N
Molecular Formula	C6H8O

172

3-(2-Furyl)propionic acid, 97%

CAS: 935-13-7 Molecular Formula: C7H8O3 Molecular Weight (g/mol): 140.138 MDL Number: MFCD00005346 InChI Key: XLTJXJJMUFDQEZ-UHFFFAOYSA-N Synonym: 3-furan-2-yl propanoic acid,3-2-furyl propanoic acid,2-furanpropanoic acid,2-furanpropionic acid,3-2-furyl propionic acid,3-furan-2-yl-propionic acid,furan-2-propionic acid,3-2-furyl propoinic acid,furfuryl-essigsaure,furfurylacetic acid PubChem CID: 70286 IUPAC Name: 3-(furan-2-yl)propanoic acid SMILES: C1=COC(=C1)CCC(=O)O

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Specifications

PubChem CID	70286
CAS	935-13-7
Molecular Weight (g/mol)	140.138
MDL Number	MFCD00005346
SMILES	C1=COC(=C1)CCC(=O)O
Synonym	3-furan-2-yl propanoic acid,3-2-furyl propanoic acid,2-furanpropanoic acid,2-furanpropionic acid,3-2-furyl propionic acid,3-furan-2-yl-propionic acid,furan-2-propionic acid,3-2-furyl propoinic acid,furfuryl-essigsaure,furfurylacetic acid
IUPAC Name	3-(furan-2-yl)propanoic acid
InChI Key	XLTJXJJMUFDQEZ-UHFFFAOYSA-N
Molecular Formula	C7H8O3

173

5-Amino-2-methylbenzothiazole, 99%

CAS: 13382-43-9 Molecular Formula: C8H8N2S Molecular Weight (g/mol): 164.23 MDL Number: MFCD00226291 InChI Key: GPWQHYMVUZYWIK-UHFFFAOYSA-N Synonym: 2-methylbenzo d thiazol-5-amine,5-amino-2-methylbenzothiazole,5-benzothiazolamine, 2-methyl,2-methyl-5-benzothiazolamine,2-methyl-5-aminobenzothiazole,2-methylbenzothiazole-5-ylamine,2-methyl-1,3-benzothiazol-5-ylamine,acmc-209v5w,cambridge id 5107842,2-methylbenzothiazol-5-amine PubChem CID: 36229 IUPAC Name: 2-methyl-1,3-benzothiazol-5-amine SMILES: CC1=NC2=CC(N)=CC=C2S1

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Specifications

PubChem CID	36229
CAS	13382-43-9
Molecular Weight (g/mol)	164.23
MDL Number	MFCD00226291
SMILES	CC1=NC2=CC(N)=CC=C2S1
Synonym	2-methylbenzo d thiazol-5-amine,5-amino-2-methylbenzothiazole,5-benzothiazolamine, 2-methyl,2-methyl-5-benzothiazolamine,2-methyl-5-aminobenzothiazole,2-methylbenzothiazole-5-ylamine,2-methyl-1,3-benzothiazol-5-ylamine,acmc-209v5w,cambridge id 5107842,2-methylbenzothiazol-5-amine
IUPAC Name	2-methyl-1,3-benzothiazol-5-amine
InChI Key	GPWQHYMVUZYWIK-UHFFFAOYSA-N
Molecular Formula	C8H8N2S

174

6-Methylbenzimidazole-5-carboxylic acid hydrochloride, 97%

CAS: 10351-76-5 Molecular Formula: C9H9ClN2O2 Molecular Weight (g/mol): 212.633 MDL Number: MFCD09909565 InChI Key: QCJPDBNTTAJIRH-UHFFFAOYSA-N Synonym: 6-methyl-1h-1,3-benzodiazole-5-carboxylic acid,6-methyl-5-benzimidazole carboxylic acid,1h-benzimidazole-5-carboxylic acid,6-methyl,1h-benzimidazole-5-carboxylicacid, 6-methyl,1h-benzimidazole-6-carboxylicacid, 5-methyl,5-methyl-3h-benzoimidazole-6-carboxylic acid,5-methyl-1h-benzo d imidazole-6-carboxylic acid,1h-benzimidazole-5-carboxylic acid, 6-methyl-9ci PubChem CID: 45925698 IUPAC Name: 6-methyl-1H-benzimidazole-5-carboxylic acid;hydrochloride SMILES: CC1=CC2=C(C=C1C(=O)O)N=CN2.Cl

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Specifications

PubChem CID	45925698
CAS	10351-76-5
Molecular Weight (g/mol)	212.633
MDL Number	MFCD09909565
SMILES	CC1=CC2=C(C=C1C(=O)O)N=CN2.Cl
Synonym	6-methyl-1h-1,3-benzodiazole-5-carboxylic acid,6-methyl-5-benzimidazole carboxylic acid,1h-benzimidazole-5-carboxylic acid,6-methyl,1h-benzimidazole-5-carboxylicacid, 6-methyl,1h-benzimidazole-6-carboxylicacid, 5-methyl,5-methyl-3h-benzoimidazole-6-carboxylic acid,5-methyl-1h-benzo d imidazole-6-carboxylic acid,1h-benzimidazole-5-carboxylic acid, 6-methyl-9ci
IUPAC Name	6-methyl-1H-benzimidazole-5-carboxylic acid;hydrochloride
InChI Key	QCJPDBNTTAJIRH-UHFFFAOYSA-N
Molecular Formula	C9H9ClN2O2

175

1-Benzylpyrrole, 96%

CAS: 2051-97-0 Molecular Formula: C11H11N Molecular Weight (g/mol): 157.22 MDL Number: MFCD00963301 InChI Key: FNEQHKCQXDKYEO-UHFFFAOYSA-N Synonym: n-benzylpyrrole,1h-pyrrole, 1-phenylmethyl,1-benzyl-1h-pyrrole,pyrrole, 1-benzyl,1-benzylpyrrol,acmc-209fbl,1-phenylmethyl pyrrole,1-benzyl-1h-pyrrole #,pyrrole, 1-benzyl-8ci PubChem CID: 74922 SMILES: C(N1C=CC=C1)C1=CC=CC=C1

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Specifications

PubChem CID	74922
CAS	2051-97-0
Molecular Weight (g/mol)	157.22
MDL Number	MFCD00963301
SMILES	C(N1C=CC=C1)C1=CC=CC=C1
Synonym	n-benzylpyrrole,1h-pyrrole, 1-phenylmethyl,1-benzyl-1h-pyrrole,pyrrole, 1-benzyl,1-benzylpyrrol,acmc-209fbl,1-phenylmethyl pyrrole,1-benzyl-1h-pyrrole #,pyrrole, 1-benzyl-8ci
InChI Key	FNEQHKCQXDKYEO-UHFFFAOYSA-N
Molecular Formula	C11H11N

176

Thiophene-2-boronic acid, 97%

CAS: 6165-68-0 Molecular Formula: C4H5BO2S Molecular Weight (g/mol): 127.95 MDL Number: MFCD00151850 InChI Key: ARYHTUPFQTUBBG-UHFFFAOYSA-N Synonym: thiophene-2-boronic acid,2-thiopheneboronic acid,2-thienylboronic acid,thienylboronic acid,2-thiopheneboronicacid,thiophen-2-ylboranediol,thiophene2-boronic acid,thiophen-2-yl boronic acid,2-thiophenylboric acid,boronic acid, thienyl PubChem CID: 2733960 IUPAC Name: thiophen-2-ylboronic acid SMILES: OB(O)C1=CC=CS1

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Specifications

PubChem CID	2733960
CAS	6165-68-0
Molecular Weight (g/mol)	127.95
MDL Number	MFCD00151850
SMILES	OB(O)C1=CC=CS1
Synonym	thiophene-2-boronic acid,2-thiopheneboronic acid,2-thienylboronic acid,thienylboronic acid,2-thiopheneboronicacid,thiophen-2-ylboranediol,thiophene2-boronic acid,thiophen-2-yl boronic acid,2-thiophenylboric acid,boronic acid, thienyl
IUPAC Name	thiophen-2-ylboronic acid
InChI Key	ARYHTUPFQTUBBG-UHFFFAOYSA-N
Molecular Formula	C4H5BO2S

177

2,3-Dimethylquinoxaline, 97%

CAS: 2379-55-7 Molecular Formula: C10H10N2 Molecular Weight (g/mol): 158.204 MDL Number: MFCD00006728 InChI Key: FKHNZQFCDGOQGV-UHFFFAOYSA-N PubChem CID: 16925 IUPAC Name: 2,3-dimethylquinoxaline SMILES: CC1=NC2=CC=CC=C2N=C1C

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Specifications

PubChem CID	16925
CAS	2379-55-7
Molecular Weight (g/mol)	158.204
MDL Number	MFCD00006728
SMILES	CC1=NC2=CC=CC=C2N=C1C
IUPAC Name	2,3-dimethylquinoxaline
InChI Key	FKHNZQFCDGOQGV-UHFFFAOYSA-N
Molecular Formula	C10H10N2

178

2-Methylindole, 98+%

CAS: 95-20-5 Molecular Formula: C9H9N Molecular Weight (g/mol): 131.178 MDL Number: MFCD00005616 InChI Key: BHNHHSOHWZKFOX-UHFFFAOYSA-N Synonym: 2-methylindole,1h-indole, 2-methyl,indole, 2-methyl,2-methyl indole,unii-i7cn58827i,2-methylindol,methylketole,methyl indole,2-methyl-indole,pubchem7504 PubChem CID: 7224 ChEBI: CHEBI:49402 IUPAC Name: 2-methyl-1H-indole SMILES: CC1=CC2=CC=CC=C2N1

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Specifications

PubChem CID	7224
CAS	95-20-5
Molecular Weight (g/mol)	131.178
ChEBI	CHEBI:49402
MDL Number	MFCD00005616
SMILES	CC1=CC2=CC=CC=C2N1
Synonym	2-methylindole,1h-indole, 2-methyl,indole, 2-methyl,2-methyl indole,unii-i7cn58827i,2-methylindol,methylketole,methyl indole,2-methyl-indole,pubchem7504
IUPAC Name	2-methyl-1H-indole
InChI Key	BHNHHSOHWZKFOX-UHFFFAOYSA-N
Molecular Formula	C9H9N

179

3-Thiopheneacetonitrile, 98%

CAS: 13781-53-8 Molecular Formula: C6H5NS Molecular Weight (g/mol): 123.17 MDL Number: MFCD00005471 InChI Key: GWZCLMWEJWPFFA-UHFFFAOYSA-N Synonym: 3-thiopheneacetonitrile,thiophene-3-acetonitrile,2-thiophen-3-yl acetonitrile,3-thienylacetonitrile,3-cyanomethylthiophene,3-thiophene acetonitrile,thien-3-ylacetonitrile,2-3-thienyl acetonitrile,thiophen-3-acetonitrile,2-3-thienyl ethanenitrile PubChem CID: 83730 IUPAC Name: 2-thiophen-3-ylacetonitrile SMILES: N#CCC1=CSC=C1

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Specifications

PubChem CID	83730
CAS	13781-53-8
Molecular Weight (g/mol)	123.17
MDL Number	MFCD00005471
SMILES	N#CCC1=CSC=C1
Synonym	3-thiopheneacetonitrile,thiophene-3-acetonitrile,2-thiophen-3-yl acetonitrile,3-thienylacetonitrile,3-cyanomethylthiophene,3-thiophene acetonitrile,thien-3-ylacetonitrile,2-3-thienyl acetonitrile,thiophen-3-acetonitrile,2-3-thienyl ethanenitrile
IUPAC Name	2-thiophen-3-ylacetonitrile
InChI Key	GWZCLMWEJWPFFA-UHFFFAOYSA-N
Molecular Formula	C6H5NS

180

Pyrimidine, 98+%

CAS: 289-95-2 Molecular Formula: C4H4N2 Molecular Weight (g/mol): 80.09 MDL Number: MFCD00006059 InChI Key: CZPWVGJYEJSRLH-UHFFFAOYSA-N Synonym: 1,3-diazine,metadiazine,m-diazine,miazine,1,3-diazabenzene,base,1,3-diazin,pyrimidin,unii-k8cxk5q32l,k8cxk5q32l PubChem CID: 9260 ChEBI: CHEBI:16898 IUPAC Name: pyrimidine SMILES: C1=CN=CN=C1

Pricing & Availability
Specifications

PubChem CID	9260
CAS	289-95-2
Molecular Weight (g/mol)	80.09
ChEBI	CHEBI:16898
MDL Number	MFCD00006059
SMILES	C1=CN=CN=C1
Synonym	1,3-diazine,metadiazine,m-diazine,miazine,1,3-diazabenzene,base,1,3-diazin,pyrimidin,unii-k8cxk5q32l,k8cxk5q32l
IUPAC Name	pyrimidine
InChI Key	CZPWVGJYEJSRLH-UHFFFAOYSA-N
Molecular Formula	C4H4N2

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