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 2,190 results

Thermo Scientific Chemicals Hydrogen fluoride-pyridine, approx. 70% HF, approx. 30% Pyridine

CAS: 32001-55-1 Molecular Formula: C₅H₆FN Molecular Weight (g/mol): 99.11 MDL Number: MFCD00012436 InChI Key: GRJJQCWNZGRKAU-UHFFFAOYSA-N Synonym: pyridine hydrofluoride,hydrogen fluoride-pyridine,olah's reagent,pyridinium fluoride,hydrogen fluoride pyridine complex,hydrogen fluoride pyridine,hf-pyridine,pyridine, hydrofluoride 1:1,pyridinium poly hydrogen fluoride,hydrogen fluoride/pyridine PubChem CID: 64774 IUPAC Name: pyridine;hydrofluoride SMILES: C1=CC=NC=C1.F

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PubChem CID	64774
CAS	32001-55-1
Molecular Weight (g/mol)	99.11
MDL Number	MFCD00012436
SMILES	C1=CC=NC=C1.F
Synonym	pyridine hydrofluoride,hydrogen fluoride-pyridine,olah's reagent,pyridinium fluoride,hydrogen fluoride pyridine complex,hydrogen fluoride pyridine,hf-pyridine,pyridine, hydrofluoride 1:1,pyridinium poly hydrogen fluoride,hydrogen fluoride/pyridine
IUPAC Name	pyridine;hydrofluoride
InChI Key	GRJJQCWNZGRKAU-UHFFFAOYSA-N
Molecular Formula	C₅H₆FN

Thermo Scientific Chemicals 2,3,5-Trimethylpyrazine, 99%

CAS: 14667-55-1 Molecular Formula: C7H10N2 Molecular Weight (g/mol): 122.171 MDL Number: MFCD00006145 InChI Key: IAEGWXHKWJGQAZ-UHFFFAOYSA-N Synonym: trimethylpyrazine,pyrazine, trimethyl,2,3,5-trimethyl pyrazine,2,3,6-trimethylpyrazine,ccris 2932,unii-q8pr0w8tit,trimethyl pyrazine,trimethyl-pyrazine,fema no. 3244,pyrazine, 2,3,5-trimethyl PubChem CID: 26808 IUPAC Name: 2,3,5-trimethylpyrazine SMILES: CC1=CN=C(C(=N1)C)C

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PubChem CID	26808
CAS	14667-55-1
Molecular Weight (g/mol)	122.171
MDL Number	MFCD00006145
SMILES	CC1=CN=C(C(=N1)C)C
Synonym	trimethylpyrazine,pyrazine, trimethyl,2,3,5-trimethyl pyrazine,2,3,6-trimethylpyrazine,ccris 2932,unii-q8pr0w8tit,trimethyl pyrazine,trimethyl-pyrazine,fema no. 3244,pyrazine, 2,3,5-trimethyl
IUPAC Name	2,3,5-trimethylpyrazine
InChI Key	IAEGWXHKWJGQAZ-UHFFFAOYSA-N
Molecular Formula	C7H10N2

Thermo Scientific Chemicals Quinoxaline, 98+%

CAS: 91-19-0 Molecular Formula: C8H6N2 Molecular Weight (g/mol): 130.15 MDL Number: MFCD00006719 InChI Key: XSCHRSMBECNVNS-UHFFFAOYSA-N Synonym: benzoparadiazine,1,4-benzodiazine,phenopiazine,phenpiazine,quinazine,benzopyrazine,1,4-diazanaphthalene,benzo a pyrazine,1,4-naphthyridine,chinoxalin PubChem CID: 7045 ChEBI: CHEBI:36616 IUPAC Name: quinoxaline SMILES: C1=CC=C2C(=C1)N=CC=N2

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PubChem CID	7045
CAS	91-19-0
Molecular Weight (g/mol)	130.15
ChEBI	CHEBI:36616
MDL Number	MFCD00006719
SMILES	C1=CC=C2C(=C1)N=CC=N2
Synonym	benzoparadiazine,1,4-benzodiazine,phenopiazine,phenpiazine,quinazine,benzopyrazine,1,4-diazanaphthalene,benzo a pyrazine,1,4-naphthyridine,chinoxalin
IUPAC Name	quinoxaline
InChI Key	XSCHRSMBECNVNS-UHFFFAOYSA-N
Molecular Formula	C8H6N2

Thermo Scientific Chemicals Norharman, 98%

CAS: 244-63-3 Molecular Formula: C11H8N2 Molecular Weight (g/mol): 168.20 MDL Number: MFCD00004956 InChI Key: AIFRHYZBTHREPW-UHFFFAOYSA-N Synonym: 9h-pyrido 3,4-b indole,norharman,norharmane,beta-carboline,carbazoline,2,9-diazafluorene,9h-beta-carboline,2-azacarbazole,.beta.-carboline PubChem CID: 64961 ChEBI: CHEBI:109895 IUPAC Name: 9H-pyrido[3,4-b]indole SMILES: N1C2=C(C=CC=C2)C2=C1C=NC=C2

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PubChem CID	64961
CAS	244-63-3
Molecular Weight (g/mol)	168.20
ChEBI	CHEBI:109895
MDL Number	MFCD00004956
SMILES	N1C2=C(C=CC=C2)C2=C1C=NC=C2
Synonym	9h-pyrido 3,4-b indole,norharman,norharmane,beta-carboline,carbazoline,2,9-diazafluorene,9h-beta-carboline,2-azacarbazole,.beta.-carboline
IUPAC Name	9H-pyrido[3,4-b]indole
InChI Key	AIFRHYZBTHREPW-UHFFFAOYSA-N
Molecular Formula	C11H8N2

2,3,5-Trimethylpyrazine 98.0+%, TCI America™

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PubChem CID	26808
CAS	14667-55-1
Molecular Weight (g/mol)	122.171
MDL Number	MFCD00006145
SMILES	CC1=CN=C(C(=N1)C)C
Synonym	trimethylpyrazine,pyrazine, trimethyl,2,3,5-trimethyl pyrazine,2,3,6-trimethylpyrazine,ccris 2932,unii-q8pr0w8tit,trimethyl pyrazine,trimethyl-pyrazine,fema no. 3244,pyrazine, 2,3,5-trimethyl
IUPAC Name	2,3,5-trimethylpyrazine
InChI Key	IAEGWXHKWJGQAZ-UHFFFAOYSA-N
Molecular Formula	C7H10N2

Thermo Scientific Chemicals 4-Ethylpyridine, 98%

CAS: 536-75-4 Molecular Formula: C₇H₉N Molecular Weight (g/mol): 107.15 MDL Number: MFCD00006450 InChI Key: VJXRKZJMGVSXPX-UHFFFAOYSA-N Synonym: pyridine, 4-ethyl,.gamma.-ethylpyridine,4-ethyl pyridine,unii-3kw0se2tl5,4-ethyl-pyridine,pyridine, c1-3-alkyl derivs.,3kw0se2tl5,gamma-ethylpyridine,c1-c3 alkylpyridine,4ethylpyridine PubChem CID: 10822 IUPAC Name: 4-ethylpyridine SMILES: CCC1=CC=NC=C1

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PubChem CID	10822
CAS	536-75-4
Molecular Weight (g/mol)	107.15
MDL Number	MFCD00006450
SMILES	CCC1=CC=NC=C1
Synonym	pyridine, 4-ethyl,.gamma.-ethylpyridine,4-ethyl pyridine,unii-3kw0se2tl5,4-ethyl-pyridine,pyridine, c1-3-alkyl derivs.,3kw0se2tl5,gamma-ethylpyridine,c1-c3 alkylpyridine,4ethylpyridine
IUPAC Name	4-ethylpyridine
InChI Key	VJXRKZJMGVSXPX-UHFFFAOYSA-N
Molecular Formula	C₇H₉N

Thermo Scientific Chemicals Thianaphthene, 97%

CAS: 95-15-8 Molecular Formula: C₈H₆S Molecular Weight (g/mol): 134.2 MDL Number: MFCD00005864 InChI Key: FCEHBMOGCRZNNI-UHFFFAOYSA-N Synonym: benzo b thiophene,thianaphthene,benzothiophene,benzothiofuran,thionaphthene,1-thiaindene,thianaphthen,benzothiophen,thianaphtene,1-benzothiophen PubChem CID: 7221 ChEBI: CHEBI:35858 IUPAC Name: 1-benzothiophene SMILES: C1=CC=C2C(=C1)C=CS2

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PubChem CID	7221
CAS	95-15-8
Molecular Weight (g/mol)	134.2
ChEBI	CHEBI:35858
MDL Number	MFCD00005864
SMILES	C1=CC=C2C(=C1)C=CS2
Synonym	benzo b thiophene,thianaphthene,benzothiophene,benzothiofuran,thionaphthene,1-thiaindene,thianaphthen,benzothiophen,thianaphtene,1-benzothiophen
IUPAC Name	1-benzothiophene
InChI Key	FCEHBMOGCRZNNI-UHFFFAOYSA-N
Molecular Formula	C₈H₆S

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 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

Nicotinamide N-Oxide 98.0+%, TCI America™

CAS: 1986-81-8 Molecular Formula: C6H6N2O2 Molecular Weight (g/mol): 138.126 MDL Number: MFCD00006202 InChI Key: USSFUVKEHXDAPM-UHFFFAOYSA-N PubChem CID: 72661 IUPAC Name: 1-oxidopyridin-1-ium-3-carboxamide SMILES: C1=CC(=C[N+](=C1)[O-])C(=O)N

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PubChem CID	72661
CAS	1986-81-8
Molecular Weight (g/mol)	138.126
MDL Number	MFCD00006202
SMILES	C1=CC(=C[N+](=C1)[O-])C(=O)N
IUPAC Name	1-oxidopyridin-1-ium-3-carboxamide
InChI Key	USSFUVKEHXDAPM-UHFFFAOYSA-N
Molecular Formula	C6H6N2O2

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

CAS: 7442-07-1 Molecular Formula: C7H6N2S2 Molecular Weight (g/mol): 182.26 MDL Number: MFCD00059164 InChI Key: IDPNFKLUBIKHSW-UHFFFAOYSA-N PubChem CID: 853584 IUPAC Name: 6-amino-3H-1,3-benzothiazole-2-thione SMILES: C1=CC2=C(C=C1N)SC(=S)N2

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PubChem CID	853584
CAS	7442-07-1
Molecular Weight (g/mol)	182.26
MDL Number	MFCD00059164
SMILES	C1=CC2=C(C=C1N)SC(=S)N2
IUPAC Name	6-amino-3H-1,3-benzothiazole-2-thione
InChI Key	IDPNFKLUBIKHSW-UHFFFAOYSA-N
Molecular Formula	C7H6N2S2

2-Methylimidazole 98.0+%, TCI America™

CAS: 693-98-1 Molecular Formula: C4H6N2 Molecular Weight (g/mol): 82.11 MDL Number: MFCD00005190 InChI Key: LXBGSDVWAMZHDD-UHFFFAOYSA-N Synonym: 2-methylimidazole,1h-imidazole, 2-methyl,imidazole, 2-methyl,2-methyl imidazole,2-methylglyoxaline,unii-t0049z45lz,ccris 2459,dsstox_cid_2107,dsstox_rid_76489,dsstox_gsid_22107 PubChem CID: 12749 IUPAC Name: 2-methyl-1H-imidazole SMILES: CC1=NC=CN1

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PubChem CID	12749
CAS	693-98-1
Molecular Weight (g/mol)	82.11
MDL Number	MFCD00005190
SMILES	CC1=NC=CN1
Synonym	2-methylimidazole,1h-imidazole, 2-methyl,imidazole, 2-methyl,2-methyl imidazole,2-methylglyoxaline,unii-t0049z45lz,ccris 2459,dsstox_cid_2107,dsstox_rid_76489,dsstox_gsid_22107
IUPAC Name	2-methyl-1H-imidazole
InChI Key	LXBGSDVWAMZHDD-UHFFFAOYSA-N
Molecular Formula	C4H6N2

Thermo Scientific Chemicals 3-n-Hexylthiophene, 98%

CAS: 1693-86-3 Molecular Formula: C10H16S Molecular Weight (g/mol): 168.298 MDL Number: MFCD00143181 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

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PubChem CID	566849
CAS	1693-86-3
Molecular Weight (g/mol)	168.298
MDL Number	MFCD00143181
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

Thermo Scientific Chemicals Indole-2-carbonitrile, 97%

CAS: 36193-65-4 Molecular Formula: C9H6N2 Molecular Weight (g/mol): 142.16 MDL Number: MFCD00187566 InChI Key: CBTITARLOCZPDU-UHFFFAOYSA-N Synonym: 2-cyanoindole,cyanoindole,2-indolecarbonitrile,2-cyano-1h-indole,indole-2-carbonitrile,racemic indole nitrile PubChem CID: 3787599 IUPAC Name: 1H-indole-2-carbonitrile SMILES: N#CC1=CC2=CC=CC=C2N1

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PubChem CID	3787599
CAS	36193-65-4
Molecular Weight (g/mol)	142.16
MDL Number	MFCD00187566
SMILES	N#CC1=CC2=CC=CC=C2N1
Synonym	2-cyanoindole,cyanoindole,2-indolecarbonitrile,2-cyano-1h-indole,indole-2-carbonitrile,racemic indole nitrile
IUPAC Name	1H-indole-2-carbonitrile
InChI Key	CBTITARLOCZPDU-UHFFFAOYSA-N
Molecular Formula	C9H6N2

Heteroaromatic compounds

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2,3,5-Trimethylpyrazine 98.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

6-Amino-2-mercaptobenzothiazole 97.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

2,3,5-Trimethylpyrazine 98.0+%, TCI America™

Nicotinamide N-Oxide 98.0+%, TCI America™

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

2-Methylimidazole 98.0+%, TCI America™