Thiophenes

Organic heterocyclic compounds that consist of a five-membered ring with four carbon atoms, and one sulfur atom.

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1 – 15 of 265 results

2-Thiophenecarboxylic acid, 99%

CAS: 527-72-0 Molecular Formula: C5H4O2S Molecular Weight (g/mol): 128.15 MDL Number: MFCD00005437 InChI Key: QERYCTSHXKAMIS-UHFFFAOYSA-N Synonym: 2-thiophenecarboxylic acid,2-thenoic acid,2-carboxythiophene,2-thiophenic acid,2-thienylcarboxylic acid,alpha-thiophenecarboxylic acid,2-tca,thiophene-2-carboxylate,tenoic acid,.alpha.-thiophenecarboxylic acid PubChem CID: 10700 ChEBI: CHEBI:71241 IUPAC Name: thiophene-2-carboxylic acid SMILES: OC(=O)C1=CC=CS1

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Specifications

PubChem CID	10700
CAS	527-72-0
Molecular Weight (g/mol)	128.15
ChEBI	CHEBI:71241
MDL Number	MFCD00005437
SMILES	OC(=O)C1=CC=CS1
Synonym	2-thiophenecarboxylic acid,2-thenoic acid,2-carboxythiophene,2-thiophenic acid,2-thienylcarboxylic acid,alpha-thiophenecarboxylic acid,2-tca,thiophene-2-carboxylate,tenoic acid,.alpha.-thiophenecarboxylic acid
IUPAC Name	thiophene-2-carboxylic acid
InChI Key	QERYCTSHXKAMIS-UHFFFAOYSA-N
Molecular Formula	C5H4O2S

2-Bromo-5-nitrothiophene, 97%

CAS: 13195-50-1 Molecular Formula: C₄H₂BrNO₂S Molecular Weight (g/mol): 208.03 InChI Key: ZPNFMDYBAQDFDY-UHFFFAOYSA-N PubChem CID: 83222 IUPAC Name: 2-bromo-5-nitrothiophene SMILES: C1=C(SC(=C1)Br)[N+](=O)[O-]

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Specifications

PubChem CID	83222
CAS	13195-50-1
Molecular Weight (g/mol)	208.03
SMILES	C1=C(SC(=C1)Br)[N+](=O)[O-]
IUPAC Name	2-bromo-5-nitrothiophene
InChI Key	ZPNFMDYBAQDFDY-UHFFFAOYSA-N
Molecular Formula	C₄H₂BrNO₂S

Methyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate, 95%, Thermo Scientific™

CAS: 237385-98-7 Molecular Formula: C13H9F3O2S Molecular Weight (g/mol): 286.268 MDL Number: MFCD00110251 InChI Key: RDMSDMSSVFMCKQ-UHFFFAOYSA-N Synonym: methyl 4-phenyl-5-trifluoromethyl thiophene-2-carboxylate,methyl 4-phenyl-5-trifluoromethyl-thiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-phenyl-5-trifluoromethyl-, methyl ester,2-methoxycarbonyl-4-phenyl-5-trifluoromethyl thiophene,methyl 4-phenyl-5-trifluoromethyl-2-thiophenecarboxylate,methyl 4-phenyl-5-trifluoromethyl thiophene-2carboxylate,4-phenyl-5-trifluoromethyl-2-thiophenecarboxylic acid methyl ester,4-phenyl-5-trifluoromethyl-thiophene-2-carboxylic acid methyl ester PubChem CID: 2781442 IUPAC Name: methyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate SMILES: COC(=O)C1=CC(=C(S1)C(F)(F)F)C2=CC=CC=C2

Pricing and Availability
Specifications

PubChem CID	2781442
CAS	237385-98-7
Molecular Weight (g/mol)	286.268
MDL Number	MFCD00110251
SMILES	COC(=O)C1=CC(=C(S1)C(F)(F)F)C2=CC=CC=C2
Synonym	methyl 4-phenyl-5-trifluoromethyl thiophene-2-carboxylate,methyl 4-phenyl-5-trifluoromethyl-thiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-phenyl-5-trifluoromethyl-, methyl ester,2-methoxycarbonyl-4-phenyl-5-trifluoromethyl thiophene,methyl 4-phenyl-5-trifluoromethyl-2-thiophenecarboxylate,methyl 4-phenyl-5-trifluoromethyl thiophene-2carboxylate,4-phenyl-5-trifluoromethyl-2-thiophenecarboxylic acid methyl ester,4-phenyl-5-trifluoromethyl-thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate
InChI Key	RDMSDMSSVFMCKQ-UHFFFAOYSA-N
Molecular Formula	C13H9F3O2S

5-Pyridin-2-ylthiophene-2-carbaldehyde, Thermo Scientific™

CAS: 132706-12-8 Molecular Formula: C10H7NOS Molecular Weight (g/mol): 189.232 InChI Key: VAGVVFZWHTULBM-UHFFFAOYSA-N Synonym: 5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl PubChem CID: 605127 IUPAC Name: 5-pyridin-2-ylthiophene-2-carbaldehyde SMILES: C1=CC=NC(=C1)C2=CC=C(S2)C=O

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Specifications

PubChem CID	605127
CAS	132706-12-8
Molecular Weight (g/mol)	189.232
SMILES	C1=CC=NC(=C1)C2=CC=C(S2)C=O
Synonym	5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl
IUPAC Name	5-pyridin-2-ylthiophene-2-carbaldehyde
InChI Key	VAGVVFZWHTULBM-UHFFFAOYSA-N
Molecular Formula	C10H7NOS

Thieno[2,3-b]pyrazine-6-carboxylic acid, 90%, Thermo Scientific™

CAS: 59944-79-5 Molecular Formula: C7H4N2O2S Molecular Weight (g/mol): 180.181 InChI Key: MEHCDDSVVYRWJT-UHFFFAOYSA-N Synonym: thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid PubChem CID: 7164578 IUPAC Name: thieno[2,3-b]pyrazine-6-carboxylic acid SMILES: C1=CN=C2C(=N1)C=C(S2)C(=O)O

Pricing and Availability
Specifications

PubChem CID	7164578
CAS	59944-79-5
Molecular Weight (g/mol)	180.181
SMILES	C1=CN=C2C(=N1)C=C(S2)C(=O)O
Synonym	thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid
IUPAC Name	thieno[2,3-b]pyrazine-6-carboxylic acid
InChI Key	MEHCDDSVVYRWJT-UHFFFAOYSA-N
Molecular Formula	C7H4N2O2S

5-Nitrothiophene-3-carbonitrile, 97%, Thermo Scientific™

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(5-pyrid-4-ylthien-2-yl)methanol, 95%, Thermo Scientific™

CAS: 138194-04-4 Molecular Formula: C10H9NOS Molecular Weight (g/mol): 191.248 MDL Number: MFCD09879963 InChI Key: GDGUQNXUEMPEKM-UHFFFAOYSA-N Synonym: 5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol PubChem CID: 15708918 IUPAC Name: (5-pyridin-4-ylthiophen-2-yl)methanol SMILES: C1=CN=CC=C1C2=CC=C(S2)CO

Pricing and Availability
Specifications

PubChem CID	15708918
CAS	138194-04-4
Molecular Weight (g/mol)	191.248
MDL Number	MFCD09879963
SMILES	C1=CN=CC=C1C2=CC=C(S2)CO
Synonym	5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol
IUPAC Name	(5-pyridin-4-ylthiophen-2-yl)methanol
InChI Key	GDGUQNXUEMPEKM-UHFFFAOYSA-N
Molecular Formula	C10H9NOS

2,5-Dimethyl-3-thiophenesulfonyl chloride, 97%, Thermo Scientific™

CAS: 97272-04-3 Molecular Formula: C6H7ClO2S2 Molecular Weight (g/mol): 210.69 MDL Number: MFCD03086201 InChI Key: CMTPCYKEUFDVAU-UHFFFAOYSA-N PubChem CID: 2779650 IUPAC Name: 2,5-dimethylthiophene-3-sulfonyl chloride SMILES: CC1=CC(=C(C)S1)S(Cl)(=O)=O

Pricing and Availability
Specifications

PubChem CID	2779650
CAS	97272-04-3
Molecular Weight (g/mol)	210.69
MDL Number	MFCD03086201
SMILES	CC1=CC(=C(C)S1)S(Cl)(=O)=O
IUPAC Name	2,5-dimethylthiophene-3-sulfonyl chloride
InChI Key	CMTPCYKEUFDVAU-UHFFFAOYSA-N
Molecular Formula	C6H7ClO2S2

2-Bromo-5-methyl-1-benzothiophene, 97%, Thermo Scientific™

CAS: 111860-00-5 Molecular Formula: C9H7BrS Molecular Weight (g/mol): 227.119 MDL Number: MFCD05865140 InChI Key: HZPBPLLBZYSGBI-UHFFFAOYSA-N Synonym: 2-bromo-5-methylbenzo b thiophene,benzo b thiophene,2-bromo-5-methyl,acmc-20mexj,2-bromanyl-5-methyl-1-benzothiophene,2-bromo-5-methyl-1-benzo b thiophene,benzo b thiophene, 2-bromo-5-methyl PubChem CID: 2794769 IUPAC Name: 2-bromo-5-methyl-1-benzothiophene SMILES: CC1=CC2=C(C=C1)SC(=C2)Br

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Specifications

PubChem CID	2794769
CAS	111860-00-5
Molecular Weight (g/mol)	227.119
MDL Number	MFCD05865140
SMILES	CC1=CC2=C(C=C1)SC(=C2)Br
Synonym	2-bromo-5-methylbenzo b thiophene,benzo b thiophene,2-bromo-5-methyl,acmc-20mexj,2-bromanyl-5-methyl-1-benzothiophene,2-bromo-5-methyl-1-benzo b thiophene,benzo b thiophene, 2-bromo-5-methyl
IUPAC Name	2-bromo-5-methyl-1-benzothiophene
InChI Key	HZPBPLLBZYSGBI-UHFFFAOYSA-N
Molecular Formula	C9H7BrS

3-(4-chlorophenyl)-4-cyano-5-(methylthio)thiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 116525-66-7 Molecular Formula: C13H8ClNO2S2 Molecular Weight (g/mol): 309.78 MDL Number: MFCD00112478 InChI Key: CCQQTQYIJRVXIU-UHFFFAOYSA-N Synonym: 3-4-chlorophenyl-4-cyano-5-methylthio thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 3-4-chlorophenyl-4-cyano-5-methylthio,3-4-chlorophenyl-4-cyano-5-methylsulfanyl thiophene-2-carboxylic acid,maybridge1_004446,acmc-1bss2,3-4-chlorophenyl-4-cyano-5-methylthio-2-thiophenecarboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid PubChem CID: 2735791 SMILES: CSC1=C(C#N)C(=C(S1)C(O)=O)C1=CC=C(Cl)C=C1

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Specifications

PubChem CID	2735791
CAS	116525-66-7
Molecular Weight (g/mol)	309.78
MDL Number	MFCD00112478
SMILES	CSC1=C(C#N)C(=C(S1)C(O)=O)C1=CC=C(Cl)C=C1
Synonym	3-4-chlorophenyl-4-cyano-5-methylthio thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 3-4-chlorophenyl-4-cyano-5-methylthio,3-4-chlorophenyl-4-cyano-5-methylsulfanyl thiophene-2-carboxylic acid,maybridge1_004446,acmc-1bss2,3-4-chlorophenyl-4-cyano-5-methylthio-2-thiophenecarboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid
InChI Key	CCQQTQYIJRVXIU-UHFFFAOYSA-N
Molecular Formula	C13H8ClNO2S2

5-Pyrid-3-ylthiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 278803-20-6 Molecular Formula: C10H7NO2S Molecular Weight (g/mol): 205.231 MDL Number: MFCD06496471 InChI Key: HENDYXUZFUWIMG-UHFFFAOYSA-N Synonym: 5-pyrid-3-ylthiophene-2-carboxylic acid,5-pyridin-3-yl thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-3-pyridinyl,5-3-pyridyl thiophene-2-carboxylic acid,5-pyridin-3-yl-thiophene-2-carboxylic acid,5-3-pyridinyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-3-pyridinyl PubChem CID: 4739100 IUPAC Name: 5-pyridin-3-ylthiophene-2-carboxylic acid SMILES: C1=CC(=CN=C1)C2=CC=C(S2)C(=O)O

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Specifications

PubChem CID	4739100
CAS	278803-20-6
Molecular Weight (g/mol)	205.231
MDL Number	MFCD06496471
SMILES	C1=CC(=CN=C1)C2=CC=C(S2)C(=O)O
Synonym	5-pyrid-3-ylthiophene-2-carboxylic acid,5-pyridin-3-yl thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-3-pyridinyl,5-3-pyridyl thiophene-2-carboxylic acid,5-pyridin-3-yl-thiophene-2-carboxylic acid,5-3-pyridinyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-3-pyridinyl
IUPAC Name	5-pyridin-3-ylthiophene-2-carboxylic acid
InChI Key	HENDYXUZFUWIMG-UHFFFAOYSA-N
Molecular Formula	C10H7NO2S

4,5,6,7-Tetrahydro-benzo[c]thiophene-1-carboxylic acid, 97%, Thermo Scientific™

CAS: 6435-75-2 Molecular Formula: C9H10O2S Molecular Weight (g/mol): 182.24 MDL Number: MFCD03086149 InChI Key: ZBNTUDLPJCXPNF-UHFFFAOYSA-N Synonym: 4,5,6,7-tetrahydrobenzo c thiophene-1-carboxylic acid,4,5,6,7-tetrahydro-benzo c thiophene-1-carboxylic acid,1-carboxy-4,5,6,7-tetrahydrobenzo c thiophene,4,5,6,7-tetrahydrobenzo 2,1-c thiophenecarboxylic acid,benzo c thiophene-1-carboxylicacid, 4,5,6,7-tetrahydro,4,5,6,7-tetrahydro-2-benzo b thiophene-1-carboxylic acid PubChem CID: 299400 IUPAC Name: 4,5,6,7-tetrahydro-2-benzothiophene-1-carboxylic acid SMILES: OC(=O)C1=C2CCCCC2=CS1

Pricing and Availability
Specifications

PubChem CID	299400
CAS	6435-75-2
Molecular Weight (g/mol)	182.24
MDL Number	MFCD03086149
SMILES	OC(=O)C1=C2CCCCC2=CS1
Synonym	4,5,6,7-tetrahydrobenzo c thiophene-1-carboxylic acid,4,5,6,7-tetrahydro-benzo c thiophene-1-carboxylic acid,1-carboxy-4,5,6,7-tetrahydrobenzo c thiophene,4,5,6,7-tetrahydrobenzo 2,1-c thiophenecarboxylic acid,benzo c thiophene-1-carboxylicacid, 4,5,6,7-tetrahydro,4,5,6,7-tetrahydro-2-benzo b thiophene-1-carboxylic acid
IUPAC Name	4,5,6,7-tetrahydro-2-benzothiophene-1-carboxylic acid
InChI Key	ZBNTUDLPJCXPNF-UHFFFAOYSA-N
Molecular Formula	C9H10O2S

2-chloro-3-nitrothiophene, 97%, Thermo Scientific™

CAS: 5330-98-3 Molecular Formula: C4H2ClNO2S Molecular Weight (g/mol): 163.58 MDL Number: MFCD00052159 InChI Key: OFPRGOSJWUNETN-UHFFFAOYSA-N Synonym: thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466 PubChem CID: 220186 IUPAC Name: 2-chloro-3-nitrothiophene SMILES: [O-][N+](=O)C1=C(Cl)SC=C1

Pricing and Availability
Specifications

PubChem CID	220186
CAS	5330-98-3
Molecular Weight (g/mol)	163.58
MDL Number	MFCD00052159
SMILES	[O-][N+](=O)C1=C(Cl)SC=C1
Synonym	thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466
IUPAC Name	2-chloro-3-nitrothiophene
InChI Key	OFPRGOSJWUNETN-UHFFFAOYSA-N
Molecular Formula	C4H2ClNO2S

5-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde, 90%, Thermo Scientific™

CAS: 17257-10-2 Molecular Formula: C13H8OS Molecular Weight (g/mol): 212.266 MDL Number: MFCD00126374 InChI Key: YFMUACLZRVJOBK-UHFFFAOYSA-N Synonym: 5-2-phenyleth-1-ynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carbaldehyde,5-2-phenylethynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-phenylethynyl,5-phenylethynyl-thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxylate PubChem CID: 2737140 IUPAC Name: 5-(2-phenylethynyl)thiophene-2-carbaldehyde SMILES: C1=CC=C(C=C1)C#CC2=CC=C(S2)C=O

Pricing and Availability
Specifications

PubChem CID	2737140
CAS	17257-10-2
Molecular Weight (g/mol)	212.266
MDL Number	MFCD00126374
SMILES	C1=CC=C(C=C1)C#CC2=CC=C(S2)C=O
Synonym	5-2-phenyleth-1-ynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carbaldehyde,5-2-phenylethynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-phenylethynyl,5-phenylethynyl-thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxylate
IUPAC Name	5-(2-phenylethynyl)thiophene-2-carbaldehyde
InChI Key	YFMUACLZRVJOBK-UHFFFAOYSA-N
Molecular Formula	C13H8OS

3-(5-bromo-2-thienyl)pyridine, 97%, Thermo Scientific™

CAS: 169050-05-9 Molecular Formula: C9H6BrNS Molecular Weight (g/mol): 240.12 MDL Number: MFCD04971290 InChI Key: GJBHIXTYLYHAQD-UHFFFAOYSA-N Synonym: 3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene PubChem CID: 818817 IUPAC Name: 3-(5-bromothiophen-2-yl)pyridine SMILES: BrC1=CC=C(S1)C1=CN=CC=C1

Pricing and Availability
Specifications

PubChem CID	818817
CAS	169050-05-9
Molecular Weight (g/mol)	240.12
MDL Number	MFCD04971290
SMILES	BrC1=CC=C(S1)C1=CN=CC=C1
Synonym	3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene
IUPAC Name	3-(5-bromothiophen-2-yl)pyridine
InChI Key	GJBHIXTYLYHAQD-UHFFFAOYSA-N
Molecular Formula	C9H6BrNS

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