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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241 – 255 of 2,397 results

241

5-Methylthiazole, 97%

CAS: 3581-89-3 Molecular Formula: C4H5NS Molecular Weight (g/mol): 99.151 MDL Number: MFCD00005335 InChI Key: RLYUNPNLXMSXAX-UHFFFAOYSA-N Synonym: 5-methylthiazole,thiazole, 5-methyl,5-methyl-thiazole,5-methyl thiazole,zlchem 1239,acmc-1cjhk,#,ksc222m5d PubChem CID: 137980 IUPAC Name: 5-methyl-1,3-thiazole SMILES: CC1=CN=CS1

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Specifications

PubChem CID	137980
CAS	3581-89-3
Molecular Weight (g/mol)	99.151
MDL Number	MFCD00005335
SMILES	CC1=CN=CS1
Synonym	5-methylthiazole,thiazole, 5-methyl,5-methyl-thiazole,5-methyl thiazole,zlchem 1239,acmc-1cjhk,#,ksc222m5d
IUPAC Name	5-methyl-1,3-thiazole
InChI Key	RLYUNPNLXMSXAX-UHFFFAOYSA-N
Molecular Formula	C4H5NS

242

Imidazole, >98.5% (Dry Basis), Ultrapure

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: 1 H-imidazole SMILES: N1C=CN=C1

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Specifications

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	1 H-imidazole
InChI Key	RAXXELZNTBOGNW-UHFFFAOYSA-N
Molecular Formula	C3H4N2

243

5-Amino-1,3,4-thiadiazole-2-thiol, 98%

CAS: 2349-67-9 Molecular Formula: C₂H₃N₃S₂ Molecular Weight (g/mol): 133.2 MDL Number: MFCD00003108 InChI Key: GDGIVSREGUOIJZ-UHFFFAOYSA-N Synonym: 5-amino-1,3,4-thiadiazole-2-thiol,2-amino-5-mercapto-1,3,4-thiadiazole,usaf pd-25,1,3,4-thiadiazole-2 3h-thione, 5-amino,unii-b1heg7v21s,5-amino-1,3,4-thiadiazole-2 3h-thione,2-amino-1,3,4-thiadiazole-5-thiol,2-thiol-5-amino-1,3,4-thiadiazole,ccris 6893,2-mercapto-5-amino-1,3,4-thiadiazole PubChem CID: 2723847 IUPAC Name: 5-amino-3H-1,3,4-thiadiazole-2-thione SMILES: C1(=NNC(=S)S1)N

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Specifications

PubChem CID	2723847
CAS	2349-67-9
Molecular Weight (g/mol)	133.2
MDL Number	MFCD00003108
SMILES	C1(=NNC(=S)S1)N
Synonym	5-amino-1,3,4-thiadiazole-2-thiol,2-amino-5-mercapto-1,3,4-thiadiazole,usaf pd-25,1,3,4-thiadiazole-2 3h-thione, 5-amino,unii-b1heg7v21s,5-amino-1,3,4-thiadiazole-2 3h-thione,2-amino-1,3,4-thiadiazole-5-thiol,2-thiol-5-amino-1,3,4-thiadiazole,ccris 6893,2-mercapto-5-amino-1,3,4-thiadiazole
IUPAC Name	5-amino-3H-1,3,4-thiadiazole-2-thione
InChI Key	GDGIVSREGUOIJZ-UHFFFAOYSA-N
Molecular Formula	C₂H₃N₃S₂

244

5-Amino-3-methyl-1-phenyl-1H-pyrazole, ≥99%, Thermo Scientific Chemicals

CAS: 1131-18-6 Molecular Formula: C10H11N3 Molecular Weight (g/mol): 173.219 MDL Number: MFCD00020727 InChI Key: FMKMKBLHMONXJM-UHFFFAOYSA-N Synonym: 3-methyl-1-phenyl-1h-pyrazol-5-amine,5-amino-3-methyl-1-phenylpyrazole,1h-pyrazol-5-amine, 3-methyl-1-phenyl,1-phenyl-3-methyl-5-aminopyrazole,3-methyl-1-phenylpyrazol-5-ylamine,5-methyl-2-phenyl-2h-pyrazol-3-ylamine,1-phenyl-3-methyl-5-amino pyrazole,unii-x6087geb2p,pyrazole, 5-amino-3-methyl-1-phenyl,1h-pyrazole-5-amine, 3-methyl-1-phenyl PubChem CID: 70801 IUPAC Name: 5-methyl-2-phenylpyrazol-3-amine SMILES: CC1=NN(C(=C1)N)C2=CC=CC=C2

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Specifications

PubChem CID	70801
CAS	1131-18-6
Molecular Weight (g/mol)	173.219
MDL Number	MFCD00020727
SMILES	CC1=NN(C(=C1)N)C2=CC=CC=C2
Synonym	3-methyl-1-phenyl-1h-pyrazol-5-amine,5-amino-3-methyl-1-phenylpyrazole,1h-pyrazol-5-amine, 3-methyl-1-phenyl,1-phenyl-3-methyl-5-aminopyrazole,3-methyl-1-phenylpyrazol-5-ylamine,5-methyl-2-phenyl-2h-pyrazol-3-ylamine,1-phenyl-3-methyl-5-amino pyrazole,unii-x6087geb2p,pyrazole, 5-amino-3-methyl-1-phenyl,1h-pyrazole-5-amine, 3-methyl-1-phenyl
IUPAC Name	5-methyl-2-phenylpyrazol-3-amine
InChI Key	FMKMKBLHMONXJM-UHFFFAOYSA-N
Molecular Formula	C10H11N3

245

Isoquinoline-8-carboxylic acid, 97%, Thermo Scientific Chemicals

CAS: 61563-43-7 Molecular Formula: C₁₀H₇NO₂ Molecular Weight (g/mol): 173.17 MDL Number: MFCD06738935 InChI Key: VMNZQPRIUSJCOH-UHFFFAOYSA-N Synonym: 8-isoquinolinecarboxylic acid,8-carboxyisoquinoline,8-isoquinolinecarboxylicacid,8-carboxy-2-azanaphthalene PubChem CID: 21393830 IUPAC Name: isoquinoline-8-carboxylic acid SMILES: C1=CC2=C(C=NC=C2)C(=C1)C(=O)O

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Specifications

PubChem CID	21393830
CAS	61563-43-7
Molecular Weight (g/mol)	173.17
MDL Number	MFCD06738935
SMILES	C1=CC2=C(C=NC=C2)C(=C1)C(=O)O
Synonym	8-isoquinolinecarboxylic acid,8-carboxyisoquinoline,8-isoquinolinecarboxylicacid,8-carboxy-2-azanaphthalene
IUPAC Name	isoquinoline-8-carboxylic acid
InChI Key	VMNZQPRIUSJCOH-UHFFFAOYSA-N
Molecular Formula	C₁₀H₇NO₂

246

2-Ethylpyridine, 98%

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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Specifications

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

247

Ticarcillin Impurity B, British Pharmacopoeia (BP) Reference Standard, MilliporeSigma™ Supelco™

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

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248

2-Hydrazinobenzothiazole, 97%

CAS: 615-21-4 Molecular Formula: C7H7N3S Molecular Weight (g/mol): 165.214 MDL Number: MFCD00041849 InChI Key: JYSUYJCLUODSLN-UHFFFAOYSA-N Synonym: 2-hydrazinobenzothiazole,2-hydrazinylbenzo d thiazole,2-hydrazino-1,3-benzothiazole,benzothiazolohydrazine,2 3h-benzothiazolone, hydrazone,benzothiazol-2-ylhydrazine,benzothiazole, 2-hydrazino,2-benzothiazolylhydrazine,usaf ek-3967,benzothiazol-2-yl-hydrazine PubChem CID: 11988 IUPAC Name: 1,3-benzothiazol-2-ylhydrazine SMILES: C1=CC=C2C(=C1)N=C(S2)NN

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Specifications

PubChem CID	11988
CAS	615-21-4
Molecular Weight (g/mol)	165.214
MDL Number	MFCD00041849
SMILES	C1=CC=C2C(=C1)N=C(S2)NN
Synonym	2-hydrazinobenzothiazole,2-hydrazinylbenzo d thiazole,2-hydrazino-1,3-benzothiazole,benzothiazolohydrazine,2 3h-benzothiazolone, hydrazone,benzothiazol-2-ylhydrazine,benzothiazole, 2-hydrazino,2-benzothiazolylhydrazine,usaf ek-3967,benzothiazol-2-yl-hydrazine
IUPAC Name	1,3-benzothiazol-2-ylhydrazine
InChI Key	JYSUYJCLUODSLN-UHFFFAOYSA-N
Molecular Formula	C7H7N3S

249

3,6-Di-2-pyridyl-1,2,4,5-tetrazine, 96%

CAS: 1671-87-0 Molecular Formula: C12H8N6 Molecular Weight (g/mol): 236.24 MDL Number: MFCD00121717 InChI Key: JFBIRMIEJBPDTQ-UHFFFAOYSA-N Synonym: 3,6-di pyridin-2-yl-1,2,4,5-tetrazine,3,6-di 2-pyridyl-1,2,4,5-tetrazine,3,6-di-2-pyridyl-1,2,4,5-tetrazine,3,6-di-2-pyridinyl-1,2,4,5-tetrazine,3,6-bis 2-pyridyl-1,2,4,5-tetrazine,bis pyridin-2-yl-1,2,4,5-tetrazine,3,6-bis 2-pyridinyl-1,2,4,5-tetrazine,bptz,acmc-209dvt,3,6-di-2-pyridyl-s-tetrazine PubChem CID: 315109 IUPAC Name: 3,6-dipyridin-2-yl-1,2,4,5-tetrazine SMILES: C1=CC=C(N=C1)C1=NN=C(N=N1)C1=CC=CC=N1

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Specifications

PubChem CID	315109
CAS	1671-87-0
Molecular Weight (g/mol)	236.24
MDL Number	MFCD00121717
SMILES	C1=CC=C(N=C1)C1=NN=C(N=N1)C1=CC=CC=N1
Synonym	3,6-di pyridin-2-yl-1,2,4,5-tetrazine,3,6-di 2-pyridyl-1,2,4,5-tetrazine,3,6-di-2-pyridyl-1,2,4,5-tetrazine,3,6-di-2-pyridinyl-1,2,4,5-tetrazine,3,6-bis 2-pyridyl-1,2,4,5-tetrazine,bis pyridin-2-yl-1,2,4,5-tetrazine,3,6-bis 2-pyridinyl-1,2,4,5-tetrazine,bptz,acmc-209dvt,3,6-di-2-pyridyl-s-tetrazine
IUPAC Name	3,6-dipyridin-2-yl-1,2,4,5-tetrazine
InChI Key	JFBIRMIEJBPDTQ-UHFFFAOYSA-N
Molecular Formula	C12H8N6

250

Thiazole, 99%

CAS: 288-47-1 Molecular Formula: C3H3NS Molecular Weight (g/mol): 85.12 MDL Number: MFCD00005315 InChI Key: FZWLAAWBMGSTSO-UHFFFAOYSA-N Synonym: thiazole,thiazol,unii-320rcw8pef,fema no. 3615,ccris 3205,320rcw8pef,lom,racemic thiazole,5h-thiazol-1-ium PubChem CID: 9256 ChEBI: CHEBI:43732 IUPAC Name: 1,3-thiazole SMILES: S1C=CN=C1

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Specifications

PubChem CID	9256
CAS	288-47-1
Molecular Weight (g/mol)	85.12
ChEBI	CHEBI:43732
MDL Number	MFCD00005315
SMILES	S1C=CN=C1
Synonym	thiazole,thiazol,unii-320rcw8pef,fema no. 3615,ccris 3205,320rcw8pef,lom,racemic thiazole,5h-thiazol-1-ium
IUPAC Name	1,3-thiazole
InChI Key	FZWLAAWBMGSTSO-UHFFFAOYSA-N
Molecular Formula	C3H3NS

251

4-(1-Methyl-1H-pyrazol-3-yl)aniline, 97%, Thermo Scientific™

CAS: 916766-82-0 Molecular Formula: C10H11N3 Molecular Weight (g/mol): 173.219 MDL Number: MFCD03407387 InChI Key: WEFJHPBVOKVCLZ-UHFFFAOYSA-N PubChem CID: 18526375 IUPAC Name: 4-(1-methylpyrazol-3-yl)aniline SMILES: CN1C=CC(=N1)C2=CC=C(C=C2)N

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Specifications

PubChem CID	18526375
CAS	916766-82-0
Molecular Weight (g/mol)	173.219
MDL Number	MFCD03407387
SMILES	CN1C=CC(=N1)C2=CC=C(C=C2)N
IUPAC Name	4-(1-methylpyrazol-3-yl)aniline
InChI Key	WEFJHPBVOKVCLZ-UHFFFAOYSA-N
Molecular Formula	C10H11N3

252

Benzo[h]quinoline, 98%

CAS: 230-27-3 Molecular Formula: C13H9N Molecular Weight (g/mol): 179.222 MDL Number: MFCD00004984 InChI Key: WZJYKHNJTSNBHV-UHFFFAOYSA-N Synonym: benzo h quinoline,7,8-benzoquinoline,4-azaphenanthrene,1-naphthoquinoline,benzoquinoline,alpha-naphthoquinoline,alpha-benzoquinoline,7,8-bnzoquinoline,.alpha.-benzoquinoline PubChem CID: 9191 IUPAC Name: benzo[h]quinoline SMILES: C1=CC=C2C(=C1)C=CC3=C2N=CC=C3

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Specifications

PubChem CID	9191
CAS	230-27-3
Molecular Weight (g/mol)	179.222
MDL Number	MFCD00004984
SMILES	C1=CC=C2C(=C1)C=CC3=C2N=CC=C3
Synonym	benzo h quinoline,7,8-benzoquinoline,4-azaphenanthrene,1-naphthoquinoline,benzoquinoline,alpha-naphthoquinoline,alpha-benzoquinoline,7,8-bnzoquinoline,.alpha.-benzoquinoline
IUPAC Name	benzo[h]quinoline
InChI Key	WZJYKHNJTSNBHV-UHFFFAOYSA-N
Molecular Formula	C13H9N

253

4-Pyridineacetonitrile, ≥97%, Thermo Scientific Chemicals

CAS: 13121-99-8 Molecular Formula: C7H6N2 Molecular Weight (g/mol): 118.14 MDL Number: MFCD03412601 InChI Key: BMVSAKPRNWZCPG-UHFFFAOYSA-N Synonym: pyridin-4-yl-acetonitrile,2-pyridin-4-yl acetonitrile,4-pyridylacetonitrile,4-pyridineacetonitrile,pyridin-4-ylacetonitrile,pyridine-4-acetonitrile,rarechem ak ml 0204,2-4-pyridyl acetonitrile,4-pyridylacetonitrilehydrochloride,4-cyanomethyl-pyridine PubChem CID: 4112085 IUPAC Name: 2-pyridin-4-ylacetonitrile SMILES: N#CCC1=CC=NC=C1

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Specifications

PubChem CID	4112085
CAS	13121-99-8
Molecular Weight (g/mol)	118.14
MDL Number	MFCD03412601
SMILES	N#CCC1=CC=NC=C1
Synonym	pyridin-4-yl-acetonitrile,2-pyridin-4-yl acetonitrile,4-pyridylacetonitrile,4-pyridineacetonitrile,pyridin-4-ylacetonitrile,pyridine-4-acetonitrile,rarechem ak ml 0204,2-4-pyridyl acetonitrile,4-pyridylacetonitrilehydrochloride,4-cyanomethyl-pyridine
IUPAC Name	2-pyridin-4-ylacetonitrile
InChI Key	BMVSAKPRNWZCPG-UHFFFAOYSA-N
Molecular Formula	C7H6N2

254

2-Vinylpyrazine, 98%, stab. with ca 0.1% hydroquinone

CAS: 4177-16-6 Molecular Formula: C6H6N2 Molecular Weight (g/mol): 106.13 MDL Number: MFCD00051591 InChI Key: KANZWHBYRHQMKZ-UHFFFAOYSA-N Synonym: 2-vinylpyrazine,vinylpyrazine,pyrazine, ethenyl,pyrazine, vinyl,2-vinyl pyrazine,unii-y6tpk237o6,ethenylpyrazine,vinyl pyrazine,2ethenylpyrazine,acmc-20anmb PubChem CID: 77840 IUPAC Name: 2-ethenylpyrazine SMILES: C=CC1=CN=CC=N1

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Specifications

PubChem CID	77840
CAS	4177-16-6
Molecular Weight (g/mol)	106.13
MDL Number	MFCD00051591
SMILES	C=CC1=CN=CC=N1
Synonym	2-vinylpyrazine,vinylpyrazine,pyrazine, ethenyl,pyrazine, vinyl,2-vinyl pyrazine,unii-y6tpk237o6,ethenylpyrazine,vinyl pyrazine,2ethenylpyrazine,acmc-20anmb
IUPAC Name	2-ethenylpyrazine
InChI Key	KANZWHBYRHQMKZ-UHFFFAOYSA-N
Molecular Formula	C6H6N2

255

Furan-2-boronic acid, 97%

CAS: 13331-23-2 Molecular Formula: C4H5BO3 Molecular Weight (g/mol): 111.891 MDL Number: MFCD00799544 InChI Key: PZJSZBJLOWMDRG-UHFFFAOYSA-N Synonym: 2-furanboronic acid,furan-2-boronic acid,2-furylboronic acid,2-furanylboronic acid,furan-2-ylboranediol,furan 2-boronic acid,2-furan boronic acid,furan-2-yl boronic acid,boronic acid, furanyl,2furylboronic acid PubChem CID: 2734357 IUPAC Name: furan-2-ylboronic acid SMILES: B(C1=CC=CO1)(O)O

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Specifications

PubChem CID	2734357
CAS	13331-23-2
Molecular Weight (g/mol)	111.891
MDL Number	MFCD00799544
SMILES	B(C1=CC=CO1)(O)O
Synonym	2-furanboronic acid,furan-2-boronic acid,2-furylboronic acid,2-furanylboronic acid,furan-2-ylboranediol,furan 2-boronic acid,2-furan boronic acid,furan-2-yl boronic acid,boronic acid, furanyl,2furylboronic acid
IUPAC Name	furan-2-ylboronic acid
InChI Key	PZJSZBJLOWMDRG-UHFFFAOYSA-N
Molecular Formula	C4H5BO3

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