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

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

5-Chlorothiophene-2-sulfonamide, 97%

CAS: 53595-66-7 Molecular Formula: C4H4ClNO2S2 Molecular Weight (g/mol): 197.65 MDL Number: MFCD00052584 InChI Key: RKLQLYBJAZBSEU-UHFFFAOYSA-N Synonym: 5-chloro-2-thiophenesulfonamide,2-thiophenesulfonamide, 5-chloro,2-chloro thiophene-5-sulfonamide,pubchem7381,5-chlorothiophenesulfonamide,4-18-00-06708 beilstein handbook reference,ksc490i0r,2-chloro-5-sulfamoylthiophene,5-chloro-2-thienylsulphonamide PubChem CID: 1241301 IUPAC Name: 5-chlorothiophene-2-sulfonamide SMILES: NS(=O)(=O)C1=CC=C(Cl)S1

Pricing and Availability
Specifications

PubChem CID	1241301
CAS	53595-66-7
Molecular Weight (g/mol)	197.65
MDL Number	MFCD00052584
SMILES	NS(=O)(=O)C1=CC=C(Cl)S1
Synonym	5-chloro-2-thiophenesulfonamide,2-thiophenesulfonamide, 5-chloro,2-chloro thiophene-5-sulfonamide,pubchem7381,5-chlorothiophenesulfonamide,4-18-00-06708 beilstein handbook reference,ksc490i0r,2-chloro-5-sulfamoylthiophene,5-chloro-2-thienylsulphonamide
IUPAC Name	5-chlorothiophene-2-sulfonamide
InChI Key	RKLQLYBJAZBSEU-UHFFFAOYSA-N
Molecular Formula	C4H4ClNO2S2

2,5-Dibromo-3,4-dinitrothiophene, Thermo Scientific Chemicals

CAS: 52431-30-8 Molecular Formula: C4Br2N2O4S Molecular Weight (g/mol): 331.92 MDL Number: MFCD00015537 InChI Key: AHGHPBPARMANQD-UHFFFAOYSA-N Synonym: 2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc PubChem CID: 257024 IUPAC Name: 2,5-dibromo-3,4-dinitrothiophene SMILES: [O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O

Pricing and Availability
Specifications

PubChem CID	257024
CAS	52431-30-8
Molecular Weight (g/mol)	331.92
MDL Number	MFCD00015537
SMILES	[O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O
Synonym	2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc
IUPAC Name	2,5-dibromo-3,4-dinitrothiophene
InChI Key	AHGHPBPARMANQD-UHFFFAOYSA-N
Molecular Formula	C4Br2N2O4S

3-Methylthiophene-2-carboxylic acid, 98%

CAS: 23806-24-8 Molecular Formula: C6H5O2S Molecular Weight (g/mol): 141.16 MDL Number: MFCD00005438 InChI Key: IFLKEBSJTZGCJG-UHFFFAOYSA-M Synonym: 3-methyl-2-thiophenecarboxylic acid,3-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 3-methyl,2-carboxy-3-methylthiophene,3-methyl-2-thiophene carboxylic acid,3-methyl-2-thiophenecarboxylic,3-methyl-thiophene-2-carboxylic acid,3-methyl-2-thiophenecarboxylicacid,pubchem5182,acmc-1cinc PubChem CID: 90269 IUPAC Name: 3-methylthiophene-2-carboxylic acid SMILES: CC1=C(SC=C1)C([O-])=O

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Specifications

PubChem CID	90269
CAS	23806-24-8
Molecular Weight (g/mol)	141.16
MDL Number	MFCD00005438
SMILES	CC1=C(SC=C1)C([O-])=O
Synonym	3-methyl-2-thiophenecarboxylic acid,3-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 3-methyl,2-carboxy-3-methylthiophene,3-methyl-2-thiophene carboxylic acid,3-methyl-2-thiophenecarboxylic,3-methyl-thiophene-2-carboxylic acid,3-methyl-2-thiophenecarboxylicacid,pubchem5182,acmc-1cinc
IUPAC Name	3-methylthiophene-2-carboxylic acid
InChI Key	IFLKEBSJTZGCJG-UHFFFAOYSA-M
Molecular Formula	C6H5O2S

2-Bromobenzo[b]thiophene, ≥97%, Thermo Scientific™

CAS: 5394-13-8 Molecular Formula: C8H5BrS Molecular Weight (g/mol): 213.092 MDL Number: MFCD08435846 InChI Key: WIFMYMXKTAVDSQ-UHFFFAOYSA-N Synonym: 2-bromobenzo b thiophene,benzo b thiophene, 2-bromo,2-bromobenzothiophene,bromobenzothiophene,2-bromobenzthiophene,bromobenzo b thiophene,2-bromo-benzo b thiophene,2-bromobenzo b-thiophene PubChem CID: 94786 IUPAC Name: 2-bromo-1-benzothiophene SMILES: C1=CC=C2C(=C1)C=C(S2)Br

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Specifications

PubChem CID	94786
CAS	5394-13-8
Molecular Weight (g/mol)	213.092
MDL Number	MFCD08435846
SMILES	C1=CC=C2C(=C1)C=C(S2)Br
Synonym	2-bromobenzo b thiophene,benzo b thiophene, 2-bromo,2-bromobenzothiophene,bromobenzothiophene,2-bromobenzthiophene,bromobenzo b thiophene,2-bromo-benzo b thiophene,2-bromobenzo b-thiophene
IUPAC Name	2-bromo-1-benzothiophene
InChI Key	WIFMYMXKTAVDSQ-UHFFFAOYSA-N
Molecular Formula	C8H5BrS

2,5-Dimethylthiophene, 98.5%

CAS: 638-02-8 Molecular Formula: C₆H₈S Molecular Weight (g/mol): 112.19 MDL Number: MFCD00005452 InChI Key: GWQOOADXMVQEFT-UHFFFAOYSA-N PubChem CID: 12514 IUPAC Name: 2,5-dimethylthiophene SMILES: CC1=CC=C(S1)C

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Specifications

PubChem CID	12514
CAS	638-02-8
Molecular Weight (g/mol)	112.19
MDL Number	MFCD00005452
SMILES	CC1=CC=C(S1)C
IUPAC Name	2,5-dimethylthiophene
InChI Key	GWQOOADXMVQEFT-UHFFFAOYSA-N
Molecular Formula	C₆H₈S

5-Acetylthiophene-2-carboxylic acid, 98+%

CAS: 4066-41-5 Molecular Formula: C7H6O3S Molecular Weight (g/mol): 170.182 MDL Number: MFCD00055512 InChI Key: LIKIMWYKJUFVJP-UHFFFAOYSA-N Synonym: 5-acetyl-2-thiophenecarboxylic acid,5-acetyltiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-acetyl,5-acetyl-2-thenoic acid,acmc-1ae0g,5-carboxy-2-acetylthiophene,5-acetylthiophene-2-carboxylicacid,5-acetyl-thiophen-2-carboxylic acid,5-acetyl thiophene-2-carboxylic acid,5-acetyl-2-thiophene-carboxylic acid PubChem CID: 3742727 IUPAC Name: 5-acetylthiophene-2-carboxylic acid SMILES: CC(=O)C1=CC=C(S1)C(=O)O

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Specifications

PubChem CID	3742727
CAS	4066-41-5
Molecular Weight (g/mol)	170.182
MDL Number	MFCD00055512
SMILES	CC(=O)C1=CC=C(S1)C(=O)O
Synonym	5-acetyl-2-thiophenecarboxylic acid,5-acetyltiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-acetyl,5-acetyl-2-thenoic acid,acmc-1ae0g,5-carboxy-2-acetylthiophene,5-acetylthiophene-2-carboxylicacid,5-acetyl-thiophen-2-carboxylic acid,5-acetyl thiophene-2-carboxylic acid,5-acetyl-2-thiophene-carboxylic acid
IUPAC Name	5-acetylthiophene-2-carboxylic acid
InChI Key	LIKIMWYKJUFVJP-UHFFFAOYSA-N
Molecular Formula	C7H6O3S

Thiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 88-13-1 Molecular Formula: C5H4O2S Molecular Weight (g/mol): 128.145 MDL Number: MFCD00005467 InChI Key: YNVOMSDITJMNET-UHFFFAOYSA-N Synonym: 3-thiophenecarboxylic acid,3-thenoic acid,3-thiophenezoic acid,beta-thiophenic acid,3-thienylcarboxylic acid,3-thiophene carboxylic acid,3-carboxythiophene,beta-thiophenecarboxylic acid,3-thiophenoic acid,unii-6v3012q6be PubChem CID: 6918 IUPAC Name: thiophene-3-carboxylic acid SMILES: C1=CSC=C1C(=O)O

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Specifications

PubChem CID	6918
CAS	88-13-1
Molecular Weight (g/mol)	128.145
MDL Number	MFCD00005467
SMILES	C1=CSC=C1C(=O)O
Synonym	3-thiophenecarboxylic acid,3-thenoic acid,3-thiophenezoic acid,beta-thiophenic acid,3-thienylcarboxylic acid,3-thiophene carboxylic acid,3-carboxythiophene,beta-thiophenecarboxylic acid,3-thiophenoic acid,unii-6v3012q6be
IUPAC Name	thiophene-3-carboxylic acid
InChI Key	YNVOMSDITJMNET-UHFFFAOYSA-N
Molecular Formula	C5H4O2S

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

Pricing and Availability
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-(2-Pyridinyl)-2-thiophenecarbothioamide, 97%, Thermo Scientific™

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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

Benzo[b]thiophene-2-carboxamide, 97%

CAS: 6314-42-7 Molecular Formula: C9H7NOS Molecular Weight (g/mol): 177.221 MDL Number: MFCD00052505 InChI Key: GYSCBCSGKXNZRH-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carboxamide,thianaphthene-2-carboxamide,benzothiophene carboxamide,2-benzo b thiophenecarboxamide,# PubChem CID: 237073 IUPAC Name: 1-benzothiophene-2-carboxamide SMILES: C1=CC=C2C(=C1)C=C(S2)C(=O)N

Pricing and Availability
Specifications

PubChem CID	237073
CAS	6314-42-7
Molecular Weight (g/mol)	177.221
MDL Number	MFCD00052505
SMILES	C1=CC=C2C(=C1)C=C(S2)C(=O)N
Synonym	benzo b thiophene-2-carboxamide,thianaphthene-2-carboxamide,benzothiophene carboxamide,2-benzo b thiophenecarboxamide,#
IUPAC Name	1-benzothiophene-2-carboxamide
InChI Key	GYSCBCSGKXNZRH-UHFFFAOYSA-N
Molecular Formula	C9H7NOS

2-Amino-4-methylthiophene-3-carboxamide, 98%

CAS: 4651-97-2 Molecular Formula: C6H8N2OS Molecular Weight (g/mol): 156.203 MDL Number: MFCD00052594 InChI Key: AXLIJQRGPVJGSO-UHFFFAOYSA-N Synonym: 2-amino-4-methyl-3-thiophenecarboxamide,3-thiophenecarboxamide, 2-amino-4-methyl,acmc-20a2ps,maybridge1_003931,2-amino-4-methyl-thiophen-3-carboxamid,2-amino-4-methyl-3-thiophene carboxamide,2-azanyl-4-methyl-thiophene-3-carboxamide,2-amino-4-methyl-thiophene-3-carboxylic acid amide PubChem CID: 293810 IUPAC Name: 2-amino-4-methylthiophene-3-carboxamide SMILES: CC1=CSC(=C1C(=O)N)N

Pricing and Availability
Specifications

PubChem CID	293810
CAS	4651-97-2
Molecular Weight (g/mol)	156.203
MDL Number	MFCD00052594
SMILES	CC1=CSC(=C1C(=O)N)N
Synonym	2-amino-4-methyl-3-thiophenecarboxamide,3-thiophenecarboxamide, 2-amino-4-methyl,acmc-20a2ps,maybridge1_003931,2-amino-4-methyl-thiophen-3-carboxamid,2-amino-4-methyl-3-thiophene carboxamide,2-azanyl-4-methyl-thiophene-3-carboxamide,2-amino-4-methyl-thiophene-3-carboxylic acid amide
IUPAC Name	2-amino-4-methylthiophene-3-carboxamide
InChI Key	AXLIJQRGPVJGSO-UHFFFAOYSA-N
Molecular Formula	C6H8N2OS

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