Thiophenes

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

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136 – 150 of 4,393 results

136

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Methyl 3-aminothiophene-2-carboxylate, 98+%

CAS: 22288-78-4 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00009765 InChI Key: TWEQNZZOOFKOER-UHFFFAOYSA-N Synonym: methyl 3-amino-2-thiophenecarboxylate,3-aminothiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-, methyl ester,3-amino-thiophene-2-carboxylic acid methyl ester,3-amino-2-thiophenecarboxylic acid methyl ester,methyl 3-amino-2-thiophene carboxylate,methyl-3-amino-thiophene-2-carboxylate,3-amino-2-carbomethoxythiophene,3-amino-2-methoxycarbonylthiophene,methyl3-aminothiophene-2-carboxylate PubChem CID: 89652 IUPAC Name: methyl 3-aminothiophene-2-carboxylate SMILES: COC(=O)C1=C(N)C=CS1

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PubChem CID	89652
CAS	22288-78-4
Molecular Weight (g/mol)	157.19
MDL Number	MFCD00009765
SMILES	COC(=O)C1=C(N)C=CS1
Synonym	methyl 3-amino-2-thiophenecarboxylate,3-aminothiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-, methyl ester,3-amino-thiophene-2-carboxylic acid methyl ester,3-amino-2-thiophenecarboxylic acid methyl ester,methyl 3-amino-2-thiophene carboxylate,methyl-3-amino-thiophene-2-carboxylate,3-amino-2-carbomethoxythiophene,3-amino-2-methoxycarbonylthiophene,methyl3-aminothiophene-2-carboxylate
IUPAC Name	methyl 3-aminothiophene-2-carboxylate
InChI Key	TWEQNZZOOFKOER-UHFFFAOYSA-N
Molecular Formula	C6H7NO2S

137

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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

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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

138

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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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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

139

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5-Bromo-2-thiophenecarboxaldehyde, 97%

CAS: 4701-17-1 Molecular Formula: C5H3BrOS Molecular Weight (g/mol): 191.04 MDL Number: MFCD00005432 InChI Key: GFBVUFQNHLUCPX-UHFFFAOYSA-N Synonym: 5-bromo-2-thiophenecarboxaldehyde,5-bromothiophene-2-carboxaldehyde,5-bromo-2-thiophenecarbaldehyde,5-bromothenaldehyde,5-bromo-2-formylthiophene,5-bromo-thiophene-2-carbaldehyde,2-bromo-5-formylthiophene,2-thiophenecarboxaldehyde, 5-bromo,2-bromo-5-thiophenecarboxaldehyde,5-bromothiophene-2-aldehyde PubChem CID: 78428 IUPAC Name: 5-bromothiophene-2-carbaldehyde SMILES: BrC1=CC=C(S1)C=O

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PubChem CID	78428
CAS	4701-17-1
Molecular Weight (g/mol)	191.04
MDL Number	MFCD00005432
SMILES	BrC1=CC=C(S1)C=O
Synonym	5-bromo-2-thiophenecarboxaldehyde,5-bromothiophene-2-carboxaldehyde,5-bromo-2-thiophenecarbaldehyde,5-bromothenaldehyde,5-bromo-2-formylthiophene,5-bromo-thiophene-2-carbaldehyde,2-bromo-5-formylthiophene,2-thiophenecarboxaldehyde, 5-bromo,2-bromo-5-thiophenecarboxaldehyde,5-bromothiophene-2-aldehyde
IUPAC Name	5-bromothiophene-2-carbaldehyde
InChI Key	GFBVUFQNHLUCPX-UHFFFAOYSA-N
Molecular Formula	C5H3BrOS

140

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2-Bromo-5-nitrothiophene, 97%

CAS: 13195-50-1 Molecular Formula: C4H2BrNO2S Molecular Weight (g/mol): 208.029 MDL Number: MFCD00022493 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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PubChem CID	83222
CAS	13195-50-1
Molecular Weight (g/mol)	208.029
MDL Number	MFCD00022493
SMILES	C1=C(SC(=C1)Br)[N+](=O)[O-]
IUPAC Name	2-bromo-5-nitrothiophene
InChI Key	ZPNFMDYBAQDFDY-UHFFFAOYSA-N
Molecular Formula	C4H2BrNO2S

141

Methyl 3-amino-2-thiophenecarboxylate, 99%

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PubChem CID	89652
CAS	22288-78-4
Molecular Weight (g/mol)	157.19
MDL Number	MFCD00009765
SMILES	COC(=O)C1=C(N)C=CS1
Synonym	methyl 3-amino-2-thiophenecarboxylate,3-aminothiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-, methyl ester,3-amino-thiophene-2-carboxylic acid methyl ester,3-amino-2-thiophenecarboxylic acid methyl ester,methyl 3-amino-2-thiophene carboxylate,methyl-3-amino-thiophene-2-carboxylate,3-amino-2-carbomethoxythiophene,3-amino-2-methoxycarbonylthiophene,methyl3-aminothiophene-2-carboxylate
IUPAC Name	methyl 3-aminothiophene-2-carboxylate
InChI Key	TWEQNZZOOFKOER-UHFFFAOYSA-N
Molecular Formula	C6H7NO2S

142

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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

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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

143

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5-Chloro-2-thiophenecarboxaldehyde, 97%

CAS: 7283-96-7 Molecular Formula: C5H3ClOS Molecular Weight (g/mol): 146.59 MDL Number: MFCD00047090 InChI Key: VWYFITBWBRVBSW-UHFFFAOYSA-N Synonym: 5-chloro-2-thiophenecarboxaldehyde,2-chloro-5-thiophenecarboxaldehyde,5-chlorothiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 5-chloro,5-chloro-2-formylthiophene,2-chloro-5-formylthiophene,5-chlorothiophene-2-aldehyde,5-chloro-2-thiophenecarbaldehyde,5-chloro-2-thiophene-carboxaldehyde,pubchem7742 PubChem CID: 81700 IUPAC Name: 5-chlorothiophene-2-carbaldehyde SMILES: ClC1=CC=C(S1)C=O

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PubChem CID	81700
CAS	7283-96-7
Molecular Weight (g/mol)	146.59
MDL Number	MFCD00047090
SMILES	ClC1=CC=C(S1)C=O
Synonym	5-chloro-2-thiophenecarboxaldehyde,2-chloro-5-thiophenecarboxaldehyde,5-chlorothiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 5-chloro,5-chloro-2-formylthiophene,2-chloro-5-formylthiophene,5-chlorothiophene-2-aldehyde,5-chloro-2-thiophenecarbaldehyde,5-chloro-2-thiophene-carboxaldehyde,pubchem7742
IUPAC Name	5-chlorothiophene-2-carbaldehyde
InChI Key	VWYFITBWBRVBSW-UHFFFAOYSA-N
Molecular Formula	C5H3ClOS

144

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3-Ethoxythiophene-2-carboxylic acid, 97%

CAS: 139926-23-1 Molecular Formula: C7H8O3S Molecular Weight (g/mol): 172.198 MDL Number: MFCD00205205 InChI Key: FTKDCOINUAYGTC-UHFFFAOYSA-N PubChem CID: 2777652 IUPAC Name: 3-ethoxythiophene-2-carboxylic acid SMILES: CCOC1=C(SC=C1)C(=O)O

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PubChem CID	2777652
CAS	139926-23-1
Molecular Weight (g/mol)	172.198
MDL Number	MFCD00205205
SMILES	CCOC1=C(SC=C1)C(=O)O
IUPAC Name	3-ethoxythiophene-2-carboxylic acid
InChI Key	FTKDCOINUAYGTC-UHFFFAOYSA-N
Molecular Formula	C7H8O3S

145

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Thiophene-2-carboxamide, 99%

CAS: 5813-89-8 Molecular Formula: C5H5NOS Molecular Weight (g/mol): 127.161 MDL Number: MFCD00010425 InChI Key: DENPQNAWGQXKCU-UHFFFAOYSA-N Synonym: 2-thiophenecarboxamide,2-thienylamide,2-thenamide,thiophen-2-carboxamide,2-aminocarbonyl thiophene,2-thienylamide french,thiophenecarboxamide,thiolamide,acmc-1ao1m,5-18-06-00162 beilstein handbook reference PubChem CID: 22063 IUPAC Name: thiophene-2-carboxamide SMILES: C1=CSC(=C1)C(=O)N

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PubChem CID	22063
CAS	5813-89-8
Molecular Weight (g/mol)	127.161
MDL Number	MFCD00010425
SMILES	C1=CSC(=C1)C(=O)N
Synonym	2-thiophenecarboxamide,2-thienylamide,2-thenamide,thiophen-2-carboxamide,2-aminocarbonyl thiophene,2-thienylamide french,thiophenecarboxamide,thiolamide,acmc-1ao1m,5-18-06-00162 beilstein handbook reference
IUPAC Name	thiophene-2-carboxamide
InChI Key	DENPQNAWGQXKCU-UHFFFAOYSA-N
Molecular Formula	C5H5NOS

146

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2-Bromo-5-chlorothiophene, 97%

CAS: 2873-18-9 Molecular Formula: C4H2BrClS Molecular Weight (g/mol): 197.47 MDL Number: MFCD00014523 InChI Key: ZFAJPWYXLYGUJU-UHFFFAOYSA-N Synonym: 2-chloro-5-bromothiophene,5-bromo-2-chlorothiophene,2-chloro-5-bromo thiophene,thiophene, 2-bromo-5-chloro,2-brom-5-chlorthiophen,pubchem5279,acmc-1cs3j,2-bromo-5-chloro-thiophene,5-bromo-2-chloro-thiophene,ksc207m3t PubChem CID: 76133 IUPAC Name: 2-bromo-5-chlorothiophene SMILES: ClC1=CC=C(Br)S1

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PubChem CID	76133
CAS	2873-18-9
Molecular Weight (g/mol)	197.47
MDL Number	MFCD00014523
SMILES	ClC1=CC=C(Br)S1
Synonym	2-chloro-5-bromothiophene,5-bromo-2-chlorothiophene,2-chloro-5-bromo thiophene,thiophene, 2-bromo-5-chloro,2-brom-5-chlorthiophen,pubchem5279,acmc-1cs3j,2-bromo-5-chloro-thiophene,5-bromo-2-chloro-thiophene,ksc207m3t
IUPAC Name	2-bromo-5-chlorothiophene
InChI Key	ZFAJPWYXLYGUJU-UHFFFAOYSA-N
Molecular Formula	C4H2BrClS

147

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Benzo[b]thiophene-2-carboxylic acid, 98%

CAS: 6314-28-9 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.21 MDL Number: MFCD00051636 InChI Key: DYSJMQABFPKAQM-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carboxylic acid,thianaphthene-2-carboxylic acid,thionaphthene-2-carboxylic acid,tnca,benzothiophene-2-carboxylic acid,2-benzo b thiophenecarboxylic acid,unii-hlr49221fq,thionapthene-2-carboxylic acid,thianaphthene-2-carboxylicacid PubChem CID: 95864 IUPAC Name: 1-benzothiophene-2-carboxylic acid SMILES: OC(=O)C1=CC2=CC=CC=C2S1

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PubChem CID	95864
CAS	6314-28-9
Molecular Weight (g/mol)	178.21
MDL Number	MFCD00051636
SMILES	OC(=O)C1=CC2=CC=CC=C2S1
Synonym	benzo b thiophene-2-carboxylic acid,thianaphthene-2-carboxylic acid,thionaphthene-2-carboxylic acid,tnca,benzothiophene-2-carboxylic acid,2-benzo b thiophenecarboxylic acid,unii-hlr49221fq,thionapthene-2-carboxylic acid,thianaphthene-2-carboxylicacid
IUPAC Name	1-benzothiophene-2-carboxylic acid
InChI Key	DYSJMQABFPKAQM-UHFFFAOYSA-N
Molecular Formula	C9H6O2S

148

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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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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

149

4-Bromo-2-thiophenecarboxylic acid, 97%, Thermo Scientific™

CAS: 16694-18-1 Molecular Formula: C5H3BrO2S Molecular Weight (g/mol): 207.041 InChI Key: HJZFPRVFLBBAMU-UHFFFAOYSA-N Synonym: 4-bromo-2-thiophenecarboxylic acid,4-bromo-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 4-bromo,4-bromothiophene-carboxylic acid,4-bromo-2-thiophene carboxylic acid,4-bromo-2-carboxythiophene,4-bromo-2-thiophenecarboxylicacid,3-bromothiophene-5-carboxylic acid,pubchem5189,4-bromo-2-thenoic acid PubChem CID: 610409 IUPAC Name: 4-bromothiophene-2-carboxylic acid SMILES: C1=C(SC=C1Br)C(=O)O

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PubChem CID	610409
CAS	16694-18-1
Molecular Weight (g/mol)	207.041
SMILES	C1=C(SC=C1Br)C(=O)O
Synonym	4-bromo-2-thiophenecarboxylic acid,4-bromo-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 4-bromo,4-bromothiophene-carboxylic acid,4-bromo-2-thiophene carboxylic acid,4-bromo-2-carboxythiophene,4-bromo-2-thiophenecarboxylicacid,3-bromothiophene-5-carboxylic acid,pubchem5189,4-bromo-2-thenoic acid
IUPAC Name	4-bromothiophene-2-carboxylic acid
InChI Key	HJZFPRVFLBBAMU-UHFFFAOYSA-N
Molecular Formula	C5H3BrO2S

150

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2,5-Dibromothiophene, 95%

CAS: 3141-27-3 Molecular Formula: C4H2Br2S Molecular Weight (g/mol): 241.93 MDL Number: MFCD00005420 InChI Key: KBVDUUXRXJTAJC-UHFFFAOYSA-N Synonym: thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086 PubChem CID: 18453 IUPAC Name: 2,5-dibromothiophene SMILES: BrC1=CC=C(Br)S1

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PubChem CID	18453
CAS	3141-27-3
Molecular Weight (g/mol)	241.93
MDL Number	MFCD00005420
SMILES	BrC1=CC=C(Br)S1
Synonym	thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086
IUPAC Name	2,5-dibromothiophene
InChI Key	KBVDUUXRXJTAJC-UHFFFAOYSA-N
Molecular Formula	C4H2Br2S

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