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.

76 – 90 of 2,221 results

Thermo Scientific Chemicals Isoquinoline, 97%

CAS: 119-65-3 Molecular Formula: C9H7N Molecular Weight (g/mol): 129.16 MDL Number: MFCD00006898,MFCD31699977 InChI Key: AWJUIBRHMBBTKR-UHFFFAOYSA-N Synonym: 2-azanaphthalene,2-benzazine,isochinolin,benzo c pyridine,beta-quinoline,2-benzanine,3,4-benzopyridine,.beta.-quinoline,isochinolin czech PubChem CID: 8405 ChEBI: CHEBI:16092 IUPAC Name: isoquinoline SMILES: C1=CC=C2C=NC=CC2=C1

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PubChem CID	8405
CAS	119-65-3
Molecular Weight (g/mol)	129.16
ChEBI	CHEBI:16092
MDL Number	MFCD00006898,MFCD31699977
SMILES	C1=CC=C2C=NC=CC2=C1
Synonym	2-azanaphthalene,2-benzazine,isochinolin,benzo c pyridine,beta-quinoline,2-benzanine,3,4-benzopyridine,.beta.-quinoline,isochinolin czech
IUPAC Name	isoquinoline
InChI Key	AWJUIBRHMBBTKR-UHFFFAOYSA-N
Molecular Formula	C9H7N

Thermo Scientific Chemicals Thiabendazole, 98+%

CAS: 148-79-8 Molecular Formula: C10H7N3S Molecular Weight (g/mol): 201.247 MDL Number: MFCD00005587 InChI Key: WJCNZQLZVWNLKY-UHFFFAOYSA-N Synonym: thiabendazole,tiabendazole,mintezol,equizole,tiabendazol,mintesol,omnizole,thibenzole,thiabendazol,bovizole PubChem CID: 5430 ChEBI: CHEBI:45979 IUPAC Name: 4-(1H-benzimidazol-2-yl)-1,3-thiazole SMILES: C1=CC=C2C(=C1)NC(=N2)C3=CSC=N3

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PubChem CID	5430
CAS	148-79-8
Molecular Weight (g/mol)	201.247
ChEBI	CHEBI:45979
MDL Number	MFCD00005587
SMILES	C1=CC=C2C(=C1)NC(=N2)C3=CSC=N3
Synonym	thiabendazole,tiabendazole,mintezol,equizole,tiabendazol,mintesol,omnizole,thibenzole,thiabendazol,bovizole
IUPAC Name	4-(1H-benzimidazol-2-yl)-1,3-thiazole
InChI Key	WJCNZQLZVWNLKY-UHFFFAOYSA-N
Molecular Formula	C10H7N3S

Thermo Scientific Chemicals 4-Methylimidazole, 98%

CAS: 822-36-6 Molecular Formula: C4H6N2 Molecular Weight (g/mol): 82.11 MDL Number: MFCD00005201 InChI Key: XLSZMDLNRCVEIJ-UHFFFAOYSA-N Synonym: 4-methylimidazole,4-methyl-1h-imidazole,4 5-methylimidazole,1h-imidazole, 4-methyl,4-me-i,5-methylimidazole,imidazole, 4-methyl,4 or 5-methylimidazole,4-mei,4-methylimidazol PubChem CID: 13195 ChEBI: CHEBI:40035 IUPAC Name: 5-methyl-1H-imidazole SMILES: CC1=CN=CN1

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PubChem CID	13195
CAS	822-36-6
Molecular Weight (g/mol)	82.11
ChEBI	CHEBI:40035
MDL Number	MFCD00005201
SMILES	CC1=CN=CN1
Synonym	4-methylimidazole,4-methyl-1h-imidazole,4 5-methylimidazole,1h-imidazole, 4-methyl,4-me-i,5-methylimidazole,imidazole, 4-methyl,4 or 5-methylimidazole,4-mei,4-methylimidazol
IUPAC Name	5-methyl-1H-imidazole
InChI Key	XLSZMDLNRCVEIJ-UHFFFAOYSA-N
Molecular Formula	C4H6N2

Thermo Scientific Chemicals 2-Amino-1,3,4-thiadiazole, 98+%

CAS: 4005-51-0 Molecular Formula: C2H3N3S Molecular Weight (g/mol): 101.127 MDL Number: MFCD00003107 InChI Key: QUKGLNCXGVWCJX-UHFFFAOYSA-N Synonym: 2-amino-1,3,4-thiadiazole,aminothiadiazole,2-aminothiadiazole,atda,aminothiadazole,unii-6l41aok74p,1,3,4-thiadiazole, 2-amino,1,3,4 thiadiazol-2-ylamine,1,3,4-thiadiazol-2-ylamine PubChem CID: 19909 IUPAC Name: 1,3,4-thiadiazol-2-amine SMILES: C1=NN=C(S1)N

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PubChem CID	19909
CAS	4005-51-0
Molecular Weight (g/mol)	101.127
MDL Number	MFCD00003107
SMILES	C1=NN=C(S1)N
Synonym	2-amino-1,3,4-thiadiazole,aminothiadiazole,2-aminothiadiazole,atda,aminothiadazole,unii-6l41aok74p,1,3,4-thiadiazole, 2-amino,1,3,4 thiadiazol-2-ylamine,1,3,4-thiadiazol-2-ylamine
IUPAC Name	1,3,4-thiadiazol-2-amine
InChI Key	QUKGLNCXGVWCJX-UHFFFAOYSA-N
Molecular Formula	C2H3N3S

Imidazole 98.0+%, 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

Thermo Scientific Chemicals 5-Amino-1H-tetrazole monohydrate, 99%

CAS: 15454-54-3 Molecular Formula: CH5N5O Molecular Weight (g/mol): 103.085 MDL Number: MFCD00149327 InChI Key: JVSMPWHQUPKRNV-UHFFFAOYSA-N Synonym: 1h-tetrazol-5-amine hydrate,5-amino-1h-tetrazole monohydrate,5-aminotetrazole monohydrate,5-amino-1h-tetrazole hydrate,5-aminotetrazole hydrate,1h-1,2,3,4-tetrazol-5-amine hydrate,2h-1,2,3,4-tetrazol-5-amine hydrate,tetrazol-5-amine,5-aminotetrazole.h2o,5-aminotetrazole h2o PubChem CID: 12211273 IUPAC Name: 2H-tetrazol-5-amine;hydrate SMILES: C1(=NNN=N1)N.O

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PubChem CID	12211273
CAS	15454-54-3
Molecular Weight (g/mol)	103.085
MDL Number	MFCD00149327
SMILES	C1(=NNN=N1)N.O
Synonym	1h-tetrazol-5-amine hydrate,5-amino-1h-tetrazole monohydrate,5-aminotetrazole monohydrate,5-amino-1h-tetrazole hydrate,5-aminotetrazole hydrate,1h-1,2,3,4-tetrazol-5-amine hydrate,2h-1,2,3,4-tetrazol-5-amine hydrate,tetrazol-5-amine,5-aminotetrazole.h2o,5-aminotetrazole h2o
IUPAC Name	2H-tetrazol-5-amine;hydrate
InChI Key	JVSMPWHQUPKRNV-UHFFFAOYSA-N
Molecular Formula	CH5N5O

Thermo Scientific Chemicals Benzimidazole, 98%

CAS: 51-17-2 Molecular Formula: C7H6N2 Molecular Weight (g/mol): 118.14 MDL Number: MFCD00005585 InChI Key: HYZJCKYKOHLVJF-UHFFFAOYSA-N Synonym: benzimidazole,1h-benzo d imidazole,1,3-benzodiazole,benzoimidazole,o-benzimidazole,3-azaindole,benziminazole,benzoglyoxaline,azindole,1,3-diazaindene PubChem CID: 5798 ChEBI: CHEBI:41275 IUPAC Name: 1H-benzimidazole SMILES: N1C=NC2=CC=CC=C12

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PubChem CID	5798
CAS	51-17-2
Molecular Weight (g/mol)	118.14
ChEBI	CHEBI:41275
MDL Number	MFCD00005585
SMILES	N1C=NC2=CC=CC=C12
Synonym	benzimidazole,1h-benzo d imidazole,1,3-benzodiazole,benzoimidazole,o-benzimidazole,3-azaindole,benziminazole,benzoglyoxaline,azindole,1,3-diazaindene
IUPAC Name	1H-benzimidazole
InChI Key	HYZJCKYKOHLVJF-UHFFFAOYSA-N
Molecular Formula	C7H6N2

Thermo Scientific Chemicals 4-Vinylpyridine, 96%, low polymer, stab. with 100ppm hydroquinone

CAS: 100-43-6 Molecular Formula: C7H7N Molecular Weight (g/mol): 105.14 MDL Number: MFCD00006447 InChI Key: KFDVPJUYSDEJTH-UHFFFAOYSA-N Synonym: 4-vinylpyridine,pyridine, 4-ethenyl,pyridine, 4-vinyl,gamma-vinylpyridine,unii-i56g67xm8d,ccris 5240,4vp,4-pyridylethylene,4-vinyl-pyridine,4-vinyl pyridine PubChem CID: 7502 IUPAC Name: 4-ethenylpyridine SMILES: C=CC1=CC=NC=C1

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PubChem CID	7502
CAS	100-43-6
Molecular Weight (g/mol)	105.14
MDL Number	MFCD00006447
SMILES	C=CC1=CC=NC=C1
Synonym	4-vinylpyridine,pyridine, 4-ethenyl,pyridine, 4-vinyl,gamma-vinylpyridine,unii-i56g67xm8d,ccris 5240,4vp,4-pyridylethylene,4-vinyl-pyridine,4-vinyl pyridine
IUPAC Name	4-ethenylpyridine
InChI Key	KFDVPJUYSDEJTH-UHFFFAOYSA-N
Molecular Formula	C7H7N

2-Ethylpyridine 98.0+%, TCI America™

CAS: 100-71-0 Molecular Formula: C7H9N Molecular Weight (g/mol): 107.156 MDL Number: MFCD00006361 InChI Key: NRGGMCIBEHEAIL-UHFFFAOYSA-N Synonym: pyridine, 2-ethyl,ethylpyridine,2-ethyl-pyridine,pyridine, ethyl,alpha-ethylpyridine,.alpha.-ethylpyridine,unii-06x1w46pyx,2-ethylpyridin,2-ethylpyridine,acmc-2097ry PubChem CID: 7523 IUPAC Name: 2-ethylpyridine SMILES: CCC1=CC=CC=N1

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PubChem CID	7523
CAS	100-71-0
Molecular Weight (g/mol)	107.156
MDL Number	MFCD00006361
SMILES	CCC1=CC=CC=N1
Synonym	pyridine, 2-ethyl,ethylpyridine,2-ethyl-pyridine,pyridine, ethyl,alpha-ethylpyridine,.alpha.-ethylpyridine,unii-06x1w46pyx,2-ethylpyridin,2-ethylpyridine,acmc-2097ry
IUPAC Name	2-ethylpyridine
InChI Key	NRGGMCIBEHEAIL-UHFFFAOYSA-N
Molecular Formula	C7H9N

2-Propylthiophene 98.0+%, TCI America™

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

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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

Thermo Scientific Chemicals 2-n-Pentylpyridine, 98%

CAS: 2294-76-0 Molecular Formula: C10H15N Molecular Weight (g/mol): 149.237 MDL Number: MFCD00051828 InChI Key: HSDXVAOHEOSTFZ-UHFFFAOYSA-N Synonym: 2-amylpyridine,pyridine, 2-pentyl,2-n-pentylpyridine,2-n-amylpyridine,pyridine, pentyl,unii-9n74l1ud11,2-amyl pyridine,2-pentyl pyridine,2-pentyl-pyridine,acmc-1cmx8 PubChem CID: 16800 IUPAC Name: 2-pentylpyridine SMILES: CCCCCC1=CC=CC=N1

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PubChem CID	16800
CAS	2294-76-0
Molecular Weight (g/mol)	149.237
MDL Number	MFCD00051828
SMILES	CCCCCC1=CC=CC=N1
Synonym	2-amylpyridine,pyridine, 2-pentyl,2-n-pentylpyridine,2-n-amylpyridine,pyridine, pentyl,unii-9n74l1ud11,2-amyl pyridine,2-pentyl pyridine,2-pentyl-pyridine,acmc-1cmx8
IUPAC Name	2-pentylpyridine
InChI Key	HSDXVAOHEOSTFZ-UHFFFAOYSA-N
Molecular Formula	C10H15N

Thermo Scientific Chemicals 2,3-Dihydroxyquinoxaline, 98%

CAS: 15804-19-0 Molecular Formula: C8H6N2O2 Molecular Weight (g/mol): 162.148 MDL Number: MFCD00006723 InChI Key: ABJFBJGGLJVMAQ-UHFFFAOYSA-N Synonym: 2,3-dihydroxyquinoxaline,quinoxaline-2,3-diol,quinoxaline-2,3 1h,4h-dione,2,3-quinoxalinediol,1,4-dihydro-2,3-quinoxalinedione,2,3-quinoxalinedione, 1,4-dihydro,usaf ek-6232,2,3 1h,4h-quinoxalinedione,quinoxaline, 2,3-dihydroxy,unii-apo55iz9e1 PubChem CID: 27491 IUPAC Name: 1,4-dihydroquinoxaline-2,3-dione SMILES: C1=CC=C2C(=C1)NC(=O)C(=O)N2

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PubChem CID	27491
CAS	15804-19-0
Molecular Weight (g/mol)	162.148
MDL Number	MFCD00006723
SMILES	C1=CC=C2C(=C1)NC(=O)C(=O)N2
Synonym	2,3-dihydroxyquinoxaline,quinoxaline-2,3-diol,quinoxaline-2,3 1h,4h-dione,2,3-quinoxalinediol,1,4-dihydro-2,3-quinoxalinedione,2,3-quinoxalinedione, 1,4-dihydro,usaf ek-6232,2,3 1h,4h-quinoxalinedione,quinoxaline, 2,3-dihydroxy,unii-apo55iz9e1
IUPAC Name	1,4-dihydroquinoxaline-2,3-dione
InChI Key	ABJFBJGGLJVMAQ-UHFFFAOYSA-N
Molecular Formula	C8H6N2O2

Thermo Scientific Chemicals 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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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

Thermo Scientific Chemicals 1,3-Diphenyl-1H-pyrazol-5-amine, 97%, Thermo Scientific™

CAS: 5356-71-8 Molecular Formula: C15H13N3 Molecular Weight (g/mol): 235.29 MDL Number: MFCD00084878 InChI Key: SXOFMEWDEKEVJU-UHFFFAOYSA-N Synonym: 1,3-diphenyl-1h-pyrazol-5-amine,5-amino-1,3-diphenylpyrazole,1h-pyrazol-5-amine, 1,3-diphenyl,pyrazole, 5-amino-1,3-diphenyl,5-amino-1,3-diphenyl-1h-pyrazole,1,3-diphenyl-1h-pyrazol-5-ylamine,1,3-diphenylpyrazole-5-ylamine,maybridge1_004139,acmc-1apw6,cbmicro_003752 PubChem CID: 199969 IUPAC Name: 2,5-diphenylpyrazol-3-amine SMILES: C1=CC=C(C=C1)C2=NN(C(=C2)N)C3=CC=CC=C3

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PubChem CID	199969
CAS	5356-71-8
Molecular Weight (g/mol)	235.29
MDL Number	MFCD00084878
SMILES	C1=CC=C(C=C1)C2=NN(C(=C2)N)C3=CC=CC=C3
Synonym	1,3-diphenyl-1h-pyrazol-5-amine,5-amino-1,3-diphenylpyrazole,1h-pyrazol-5-amine, 1,3-diphenyl,pyrazole, 5-amino-1,3-diphenyl,5-amino-1,3-diphenyl-1h-pyrazole,1,3-diphenyl-1h-pyrazol-5-ylamine,1,3-diphenylpyrazole-5-ylamine,maybridge1_004139,acmc-1apw6,cbmicro_003752
IUPAC Name	2,5-diphenylpyrazol-3-amine
InChI Key	SXOFMEWDEKEVJU-UHFFFAOYSA-N
Molecular Formula	C15H13N3

Thermo Scientific Chemicals 5,6,7,8-Tetrahydroquinoxaline, 99%

CAS: 34413-35-9 Molecular Formula: C8H10N2 Molecular Weight (g/mol): 134.182 MDL Number: MFCD00038078 InChI Key: XCZPDOCRSYZOBI-UHFFFAOYSA-N Synonym: cyclohexapyrazine,quinoxaline, 5,6,7,8-tetrahydro,unii-m153cj9ra0,fema no. 3321,5.6.7.8-tetrahydroquinoxaline,nutty quinoxaline,pubchem15475,acmc-209i7e,dsstox_cid_27678,dsstox_rid_82495 PubChem CID: 36822 IUPAC Name: 5,6,7,8-tetrahydroquinoxaline SMILES: C1CCC2=NC=CN=C2C1

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PubChem CID	36822
CAS	34413-35-9
Molecular Weight (g/mol)	134.182
MDL Number	MFCD00038078
SMILES	C1CCC2=NC=CN=C2C1
Synonym	cyclohexapyrazine,quinoxaline, 5,6,7,8-tetrahydro,unii-m153cj9ra0,fema no. 3321,5.6.7.8-tetrahydroquinoxaline,nutty quinoxaline,pubchem15475,acmc-209i7e,dsstox_cid_27678,dsstox_rid_82495
IUPAC Name	5,6,7,8-tetrahydroquinoxaline
InChI Key	XCZPDOCRSYZOBI-UHFFFAOYSA-N
Molecular Formula	C8H10N2

Heteroaromatic compounds

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

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

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

Imidazole 98.0+%, TCI America™

2-Ethylpyridine 98.0+%, TCI America™

2-Propylthiophene 98.0+%, TCI America™