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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 196 results
1

5-Cyanothiophene-2-boronic acid, 98%, Thermo Scientific Chemicals

CAS: 305832-67-1 Molecular Formula: C5H4BNO2S Molecular Weight (g/mol): 152.96 MDL Number: MFCD02094029 InChI Key: ZEOMEPSYIIQIND-UHFFFAOYSA-N Synonym: 5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts PubChem CID: 4198743 IUPAC Name: (5-cyanothiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(S1)C#N

PubChem CID 4198743
CAS 305832-67-1
Molecular Weight (g/mol) 152.96
MDL Number MFCD02094029
SMILES OB(O)C1=CC=C(S1)C#N
Synonym 5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts
IUPAC Name (5-cyanothiophen-2-yl)boronic acid
InChI Key ZEOMEPSYIIQIND-UHFFFAOYSA-N
Molecular Formula C5H4BNO2S
2

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

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
3

2,5-Diiodothiophene, 99%

CAS: 625-88-7 Molecular Formula: C4H2I2S Molecular Weight (g/mol): 335.929 MDL Number: MFCD00014525 InChI Key: PNYWRAHWEIOAGK-UHFFFAOYSA-N Synonym: thiophene, 2,5-diiodo,2,5-diiodthiophen,thiophene,5-diiodo,pubchem5529,maybridge1_002904,acmc-1b0lo,2,5-diiodothiophene,bidd:gt0169,thiophene, 2,5-diiodo-8ci 9ci PubChem CID: 69368 IUPAC Name: 2,5-diiodothiophene SMILES: C1=C(SC(=C1)I)I

PubChem CID 69368
CAS 625-88-7
Molecular Weight (g/mol) 335.929
MDL Number MFCD00014525
SMILES C1=C(SC(=C1)I)I
Synonym thiophene, 2,5-diiodo,2,5-diiodthiophen,thiophene,5-diiodo,pubchem5529,maybridge1_002904,acmc-1b0lo,2,5-diiodothiophene,bidd:gt0169,thiophene, 2,5-diiodo-8ci 9ci
IUPAC Name 2,5-diiodothiophene
InChI Key PNYWRAHWEIOAGK-UHFFFAOYSA-N
Molecular Formula C4H2I2S
4

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

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
5

Thiophene-2,5-dicarboxylic acid, 97%

CAS: 4282-31-9 Molecular Formula: C6H4O4S Molecular Weight (g/mol): 172.154 MDL Number: MFCD00016896 InChI Key: YCGAZNXXGKTASZ-UHFFFAOYSA-N Synonym: 2,5-thiophenedicarboxylic acid,2,5-dicarboxythiophene,unii-5q8a2g9y8a,2,5-thiophene dicarboxylic acid,pubchem5580,maybridge4_002021,acmc-1aj5p,ksc182i5d,2,5-thiophene-dicarboxylic acid,thiophene-2.5-dicarboxylic acid PubChem CID: 20273 IUPAC Name: thiophene-2,5-dicarboxylic acid SMILES: C1=C(SC(=C1)C(=O)O)C(=O)O

PubChem CID 20273
CAS 4282-31-9
Molecular Weight (g/mol) 172.154
MDL Number MFCD00016896
SMILES C1=C(SC(=C1)C(=O)O)C(=O)O
Synonym 2,5-thiophenedicarboxylic acid,2,5-dicarboxythiophene,unii-5q8a2g9y8a,2,5-thiophene dicarboxylic acid,pubchem5580,maybridge4_002021,acmc-1aj5p,ksc182i5d,2,5-thiophene-dicarboxylic acid,thiophene-2.5-dicarboxylic acid
IUPAC Name thiophene-2,5-dicarboxylic acid
InChI Key YCGAZNXXGKTASZ-UHFFFAOYSA-N
Molecular Formula C6H4O4S
6

5-Cyanothiophene-2-carboxaldehyde, 95%

CAS: 21512-16-3 Molecular Formula: C6H3NOS Molecular Weight (g/mol): 137.156 MDL Number: MFCD09037804 InChI Key: PZIFYWVUYHMYOA-UHFFFAOYSA-N Synonym: 5-cyano-2-thiophene carbaldehyde,5-cyano-2-thiophenecarboxaldehyde,5-cyanothiophene-2-carboxaldehyde,2-thiophenecarbonitrile, 5-formyl,5-cyano-2-thiophenecarbaldehyde,2-formyl-5-cyanothiophen,2-cyano-5-formylthiophene,2-formyl-5-cyanothiophene,2-cyano-5-formyl-thiophene,5-cyanothiophene-2-aldehyde PubChem CID: 12280004 IUPAC Name: 5-formylthiophene-2-carbonitrile SMILES: C1=C(SC(=C1)C#N)C=O

PubChem CID 12280004
CAS 21512-16-3
Molecular Weight (g/mol) 137.156
MDL Number MFCD09037804
SMILES C1=C(SC(=C1)C#N)C=O
Synonym 5-cyano-2-thiophene carbaldehyde,5-cyano-2-thiophenecarboxaldehyde,5-cyanothiophene-2-carboxaldehyde,2-thiophenecarbonitrile, 5-formyl,5-cyano-2-thiophenecarbaldehyde,2-formyl-5-cyanothiophen,2-cyano-5-formylthiophene,2-formyl-5-cyanothiophene,2-cyano-5-formyl-thiophene,5-cyanothiophene-2-aldehyde
IUPAC Name 5-formylthiophene-2-carbonitrile
InChI Key PZIFYWVUYHMYOA-UHFFFAOYSA-N
Molecular Formula C6H3NOS
7

5-Bromothiophene-2-carboxaldehyde, 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

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
8

2-Bromo-3-thiophenecarboxylic acid, 96%

CAS: 24287-95-4 Molecular Formula: C5H3BrO2S Molecular Weight (g/mol): 207.04 MDL Number: MFCD05865213 InChI Key: RVSXMPCELBYUSF-UHFFFAOYSA-N Synonym: 2-bromo-3-thiophenecarboxylic acid,2-bromo-thiophene-3-carboxylic acid,2-bromo-thiophene-3-carboxylicacid,3-thiophenecarboxylic acid, 2-bromo,2-bromo-3-thenoic acid,acmc-209xc0,2-bromo-3-carboxythiophene,2-bromothiophene-3-carboxylic?acid,2-bromo-3-thiophene carboxylic acid,2-bromo-thiophene 3-carboxylic acid PubChem CID: 12320971 IUPAC Name: 2-bromothiophene-3-carboxylic acid SMILES: C1=CSC(=C1C(=O)O)Br

PubChem CID 12320971
CAS 24287-95-4
Molecular Weight (g/mol) 207.04
MDL Number MFCD05865213
SMILES C1=CSC(=C1C(=O)O)Br
Synonym 2-bromo-3-thiophenecarboxylic acid,2-bromo-thiophene-3-carboxylic acid,2-bromo-thiophene-3-carboxylicacid,3-thiophenecarboxylic acid, 2-bromo,2-bromo-3-thenoic acid,acmc-209xc0,2-bromo-3-carboxythiophene,2-bromothiophene-3-carboxylic?acid,2-bromo-3-thiophene carboxylic acid,2-bromo-thiophene 3-carboxylic acid
IUPAC Name 2-bromothiophene-3-carboxylic acid
InChI Key RVSXMPCELBYUSF-UHFFFAOYSA-N
Molecular Formula C5H3BrO2S
9

Ethyl 5-bromothiophene-2-carboxylate, 99%

CAS: 5751-83-7 Molecular Formula: C7H7BrO2S Molecular Weight (g/mol): 235.095 MDL Number: MFCD02683089 InChI Key: PZNHMXAOMDQLLE-UHFFFAOYSA-N Synonym: 5-bromothiophene-2-carboxylic acid ethyl ester,ethyl 5-bromo-2-thiophenecarboxylate,ethyl5-bromothiophene-2-carboxylate,5-bromo-thiophene-2-carboxylic acid ethyl ester,2-thiophenecarboxylic acid, 5-bromo-, ethyl ester,pubchem16118,acmc-209zz5,ksc494s9b,2-bromo-5-ethoxycarbonylthiophene,ethyl 5-bromothiophene-2carboxylate PubChem CID: 605723 IUPAC Name: ethyl 5-bromothiophene-2-carboxylate SMILES: CCOC(=O)C1=CC=C(S1)Br

PubChem CID 605723
CAS 5751-83-7
Molecular Weight (g/mol) 235.095
MDL Number MFCD02683089
SMILES CCOC(=O)C1=CC=C(S1)Br
Synonym 5-bromothiophene-2-carboxylic acid ethyl ester,ethyl 5-bromo-2-thiophenecarboxylate,ethyl5-bromothiophene-2-carboxylate,5-bromo-thiophene-2-carboxylic acid ethyl ester,2-thiophenecarboxylic acid, 5-bromo-, ethyl ester,pubchem16118,acmc-209zz5,ksc494s9b,2-bromo-5-ethoxycarbonylthiophene,ethyl 5-bromothiophene-2carboxylate
IUPAC Name ethyl 5-bromothiophene-2-carboxylate
InChI Key PZNHMXAOMDQLLE-UHFFFAOYSA-N
Molecular Formula C7H7BrO2S
10

5-Methyl-2-thiophenecarboxaldehyde, 98%

CAS: 13679-70-4 Molecular Formula: C6H6OS Molecular Weight (g/mol): 126.18 MDL Number: MFCD00005434 InChI Key: VAUMDUIUEPIGHM-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde PubChem CID: 61663 IUPAC Name: 5-methylthiophene-2-carbaldehyde SMILES: CC1=CC=C(S1)C=O

PubChem CID 61663
CAS 13679-70-4
Molecular Weight (g/mol) 126.18
MDL Number MFCD00005434
SMILES CC1=CC=C(S1)C=O
Synonym 5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde
IUPAC Name 5-methylthiophene-2-carbaldehyde
InChI Key VAUMDUIUEPIGHM-UHFFFAOYSA-N
Molecular Formula C6H6OS
11

Benzo[b]thiophene-2-boronic acid, 97%

CAS: 98437-23-1 Molecular Formula: C8H7BO2S Molecular Weight (g/mol): 178.01 MDL Number: MFCD01075674 InChI Key: YNCYPMUJDDXIRH-UHFFFAOYSA-N Synonym: 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid PubChem CID: 2359 SMILES: OB(O)C1=CC2=CC=CC=C2S1

PubChem CID 2359
CAS 98437-23-1
Molecular Weight (g/mol) 178.01
MDL Number MFCD01075674
SMILES OB(O)C1=CC2=CC=CC=C2S1
Synonym 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid
InChI Key YNCYPMUJDDXIRH-UHFFFAOYSA-N
Molecular Formula C8H7BO2S
12

5-Nitrothiophene-2-carboxaldehyde, 98%

CAS: 4521-33-9 Molecular Formula: C5H3NO3S Molecular Weight (g/mol): 157.143 MDL Number: MFCD00005433 InChI Key: CHTSWZNXEKOLPM-UHFFFAOYSA-N Synonym: 5-nitrothiophene-2-carboxaldehyde,5-nitro-2-thiophenecarboxaldehyde,5-nitro-2-thiophenecarbaldehyde,5-nitro-thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde, 5-nitro,5-nitrothiophene-2-aldehyde,thiophenecarboxaldehyde, 5-nitro,pubchem15668,5-nitrothiophen aldehyde,5-nitro-2-formyl-thiophene PubChem CID: 78281 IUPAC Name: 5-nitrothiophene-2-carbaldehyde SMILES: C1=C(SC(=C1)[N+](=O)[O-])C=O

PubChem CID 78281
CAS 4521-33-9
Molecular Weight (g/mol) 157.143
MDL Number MFCD00005433
SMILES C1=C(SC(=C1)[N+](=O)[O-])C=O
Synonym 5-nitrothiophene-2-carboxaldehyde,5-nitro-2-thiophenecarboxaldehyde,5-nitro-2-thiophenecarbaldehyde,5-nitro-thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde, 5-nitro,5-nitrothiophene-2-aldehyde,thiophenecarboxaldehyde, 5-nitro,pubchem15668,5-nitrothiophen aldehyde,5-nitro-2-formyl-thiophene
IUPAC Name 5-nitrothiophene-2-carbaldehyde
InChI Key CHTSWZNXEKOLPM-UHFFFAOYSA-N
Molecular Formula C5H3NO3S
13

3-Bromo-2,5-dichlorothiophene, 97%

CAS: 60404-18-4 Molecular Formula: C4HBrCl2S Molecular Weight (g/mol): 231.92 MDL Number: MFCD00041440 InChI Key: PBUHOXBSIQJRNO-UHFFFAOYSA-N PubChem CID: 521925 IUPAC Name: 3-bromo-2,5-dichlorothiophene SMILES: ClC1=CC(Br)=C(Cl)S1

PubChem CID 521925
CAS 60404-18-4
Molecular Weight (g/mol) 231.92
MDL Number MFCD00041440
SMILES ClC1=CC(Br)=C(Cl)S1
IUPAC Name 3-bromo-2,5-dichlorothiophene
InChI Key PBUHOXBSIQJRNO-UHFFFAOYSA-N
Molecular Formula C4HBrCl2S
14

Methyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate, 97%, Thermo Scientific Chemicals

CAS: 129332-45-2 Molecular Formula: C8H8N2O2S2 Molecular Weight (g/mol): 228.284 MDL Number: MFCD00052752 InChI Key: VBXBCNWDAJLZOC-UHFFFAOYSA-N Synonym: methyl 3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,methyl 3-amino-4-cyano-5-methylsulfanyl thiophene-2-carboxylate,methyl3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,2-thiophenecarboxylicacid, 3-amino-4-cyano-5-methylthio-, methyl ester,3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 3-azanyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylate,3-amino-4-cyano-5-methylthio-2-thiophenecarboxylic acid methyl ester,maybridge1_009000,acmc-1c12n,methyl 3-amino-4-cyano-5-methylthiothiophene-2-carboxylate PubChem CID: 2778604 IUPAC Name: methyl 3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylate SMILES: COC(=O)C1=C(C(=C(S1)SC)C#N)N

PubChem CID 2778604
CAS 129332-45-2
Molecular Weight (g/mol) 228.284
MDL Number MFCD00052752
SMILES COC(=O)C1=C(C(=C(S1)SC)C#N)N
Synonym methyl 3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,methyl 3-amino-4-cyano-5-methylsulfanyl thiophene-2-carboxylate,methyl3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,2-thiophenecarboxylicacid, 3-amino-4-cyano-5-methylthio-, methyl ester,3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 3-azanyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylate,3-amino-4-cyano-5-methylthio-2-thiophenecarboxylic acid methyl ester,maybridge1_009000,acmc-1c12n,methyl 3-amino-4-cyano-5-methylthiothiophene-2-carboxylate
IUPAC Name methyl 3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylate
InChI Key VBXBCNWDAJLZOC-UHFFFAOYSA-N
Molecular Formula C8H8N2O2S2
15

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

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