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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

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

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

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

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
3

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

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
4

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

CAS: 123784-07-6 Molecular Formula: C9H6BrNS Molecular Weight (g/mol): 240.12 MDL Number: MFCD00120466 InChI Key: AKNKWLQVFAYRRO-UHFFFAOYSA-N Synonym: 2-5-bromo-2-thienyl pyridine,2-5-bromothiophen-2-yl pyridine,2-5-bromothien-2-yl pyridine,pyridine,2-5-bromo-2-thienyl,acmc-20mqrz,5-bromo-2-2-pyridyl thiophene,2-5-bromo-2-thiophenyl pyridine,2-bromo-5-2-pyridinyl thiophene,2-5-bromanylthiophen-2-yl pyridine,2-5-bromo-thiophen-2-yl-pyridine PubChem CID: 736483 IUPAC Name: 2-(5-bromothiophen-2-yl)pyridine SMILES: BrC1=CC=C(S1)C1=CC=CC=N1

PubChem CID 736483
CAS 123784-07-6
Molecular Weight (g/mol) 240.12
MDL Number MFCD00120466
SMILES BrC1=CC=C(S1)C1=CC=CC=N1
Synonym 2-5-bromo-2-thienyl pyridine,2-5-bromothiophen-2-yl pyridine,2-5-bromothien-2-yl pyridine,pyridine,2-5-bromo-2-thienyl,acmc-20mqrz,5-bromo-2-2-pyridyl thiophene,2-5-bromo-2-thiophenyl pyridine,2-bromo-5-2-pyridinyl thiophene,2-5-bromanylthiophen-2-yl pyridine,2-5-bromo-thiophen-2-yl-pyridine
IUPAC Name 2-(5-bromothiophen-2-yl)pyridine
InChI Key AKNKWLQVFAYRRO-UHFFFAOYSA-N
Molecular Formula C9H6BrNS
5

5-(2-Furyl)thiophene-2-carbaldehyde, ≥97%, Thermo Scientific™

CAS: 868755-64-0 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.205 MDL Number: MFCD06410178 InChI Key: IXUVFAGSDDBEKJ-UHFFFAOYSA-N Synonym: 5-2-furyl thiophene-2-carbaldehyde,5-furan-2-yl thiophene-2-carbaldehyde,5-fur-2-yl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-furanyl,5-furan-2-yl thiophene-2-carboxaldehyde,5-2-furanyl-2-thiophenecarboxaldehyde PubChem CID: 23004862 IUPAC Name: 5-(furan-2-yl)thiophene-2-carbaldehyde SMILES: C1=COC(=C1)C2=CC=C(S2)C=O

PubChem CID 23004862
CAS 868755-64-0
Molecular Weight (g/mol) 178.205
MDL Number MFCD06410178
SMILES C1=COC(=C1)C2=CC=C(S2)C=O
Synonym 5-2-furyl thiophene-2-carbaldehyde,5-furan-2-yl thiophene-2-carbaldehyde,5-fur-2-yl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-furanyl,5-furan-2-yl thiophene-2-carboxaldehyde,5-2-furanyl-2-thiophenecarboxaldehyde
IUPAC Name 5-(furan-2-yl)thiophene-2-carbaldehyde
InChI Key IXUVFAGSDDBEKJ-UHFFFAOYSA-N
Molecular Formula C9H6O2S
6

2-Nitrothiophene, tech. 85%

CAS: 609-40-5 Molecular Formula: C4H3NO2S Molecular Weight (g/mol): 129.133 MDL Number: MFCD00005425 InChI Key: JIZRGGUCOQKGQD-UHFFFAOYSA-N Synonym: thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw PubChem CID: 11866 IUPAC Name: 2-nitrothiophene SMILES: C1=CSC(=C1)[N+](=O)[O-]

PubChem CID 11866
CAS 609-40-5
Molecular Weight (g/mol) 129.133
MDL Number MFCD00005425
SMILES C1=CSC(=C1)[N+](=O)[O-]
Synonym thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw
IUPAC Name 2-nitrothiophene
InChI Key JIZRGGUCOQKGQD-UHFFFAOYSA-N
Molecular Formula C4H3NO2S
7

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

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
8

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
9

2-Acetylbenzo[b]thiophene, 98%

CAS: 22720-75-8 Molecular Formula: C10H8OS Molecular Weight (g/mol): 176.23 MDL Number: MFCD00090217 InChI Key: SGSGCQGCVKWRNM-UHFFFAOYSA-N Synonym: 2-acetylbenzothiophene,2-acetylbenzo b thiophene,1-benzo b thiophen-2-yl ethanone,1-benzo b thiophen-2-yl-ethanone,1-1-benzothiophen-2-yl ethanone,1-1-benzothiophen-2-yl ethan-1-one,ethanone, 1-benzo b thienyl,1-benzo b thiophen-2-yl ethan-1-one PubChem CID: 89805 IUPAC Name: 1-(1-benzothiophen-2-yl)ethan-1-one SMILES: CC(=O)C1=CC2=CC=CC=C2S1

PubChem CID 89805
CAS 22720-75-8
Molecular Weight (g/mol) 176.23
MDL Number MFCD00090217
SMILES CC(=O)C1=CC2=CC=CC=C2S1
Synonym 2-acetylbenzothiophene,2-acetylbenzo b thiophene,1-benzo b thiophen-2-yl ethanone,1-benzo b thiophen-2-yl-ethanone,1-1-benzothiophen-2-yl ethanone,1-1-benzothiophen-2-yl ethan-1-one,ethanone, 1-benzo b thienyl,1-benzo b thiophen-2-yl ethan-1-one
IUPAC Name 1-(1-benzothiophen-2-yl)ethan-1-one
InChI Key SGSGCQGCVKWRNM-UHFFFAOYSA-N
Molecular Formula C10H8OS
10

2-Methylbenzo[b]thiophene, 98%

CAS: 1195-14-8 Molecular Formula: C9H8S Molecular Weight (g/mol): 148.22 MDL Number: MFCD00216250 InChI Key: BLZKSRBAQDZAIX-UHFFFAOYSA-N PubChem CID: 70952 IUPAC Name: 2-methyl-1-benzothiophene SMILES: CC1=CC2=CC=CC=C2S1

PubChem CID 70952
CAS 1195-14-8
Molecular Weight (g/mol) 148.22
MDL Number MFCD00216250
SMILES CC1=CC2=CC=CC=C2S1
IUPAC Name 2-methyl-1-benzothiophene
InChI Key BLZKSRBAQDZAIX-UHFFFAOYSA-N
Molecular Formula C9H8S
11

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
12

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

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
13

2-Benzothienylboronic acid, 98%

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 IUPAC Name: 1-benzothiophen-2-ylboronic acid 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
IUPAC Name 1-benzothiophen-2-ylboronic acid
InChI Key YNCYPMUJDDXIRH-UHFFFAOYSA-N
Molecular Formula C8H7BO2S
14

3-(1,3-Dioxolan-2-yl)-2-thiophenecarboxylic acid, 97%, Thermo Scientific™

CAS: 934570-44-2 Molecular Formula: C8H8O4S Molecular Weight (g/mol): 200.21 MDL Number: MFCD09702391 InChI Key: ZODQJPSGAHBVHU-UHFFFAOYSA-N Synonym: 3-1,3-dioxolan-2-yl thiophene-2-carboxylic acid,3-1,3-dioxolan-2-yl-2-thiophenecarboxylic acid,2-2-carboxythien-3-yl-1,3-dioxolane,3-1,3-dioxolan-2-yl thiophene-2-carboxylicacid,2-thiophenecarboxylicacid, 3-1,3-dioxolan-2-yl PubChem CID: 24229593 IUPAC Name: 3-(1,3-dioxolan-2-yl)thiophene-2-carboxylic acid SMILES: OC(=O)C1=C(C=CS1)C1OCCO1

PubChem CID 24229593
CAS 934570-44-2
Molecular Weight (g/mol) 200.21
MDL Number MFCD09702391
SMILES OC(=O)C1=C(C=CS1)C1OCCO1
Synonym 3-1,3-dioxolan-2-yl thiophene-2-carboxylic acid,3-1,3-dioxolan-2-yl-2-thiophenecarboxylic acid,2-2-carboxythien-3-yl-1,3-dioxolane,3-1,3-dioxolan-2-yl thiophene-2-carboxylicacid,2-thiophenecarboxylicacid, 3-1,3-dioxolan-2-yl
IUPAC Name 3-(1,3-dioxolan-2-yl)thiophene-2-carboxylic acid
InChI Key ZODQJPSGAHBVHU-UHFFFAOYSA-N
Molecular Formula C8H8O4S
15

Thiophene-2-carboxylic hydrazide, 97%

CAS: 2361-27-5 Molecular Formula: C5H6N2OS Molecular Weight (g/mol): 142.176 MDL Number: MFCD00005435 InChI Key: SOGBOGBTIKMGFS-UHFFFAOYSA-N Synonym: 2-thiophenecarboxylic acid hydrazide,thiophene-2-carboxylic acid hydrazide,2-thenoylhydrazine,2-thiophenecarboxylic hydrazide,2-thiophenecarbohydrazide,thiophene-2-carboxylic hydrazide,2-thiophenecarboxylic acid, hydrazide,2-thiophenecarbohydrazonic acid,2-thienylcarboxylic acid hydrazide,2-thiophene carboxylic hydrazide PubChem CID: 73098 IUPAC Name: thiophene-2-carbohydrazide SMILES: C1=CSC(=C1)C(=O)NN

PubChem CID 73098
CAS 2361-27-5
Molecular Weight (g/mol) 142.176
MDL Number MFCD00005435
SMILES C1=CSC(=C1)C(=O)NN
Synonym 2-thiophenecarboxylic acid hydrazide,thiophene-2-carboxylic acid hydrazide,2-thenoylhydrazine,2-thiophenecarboxylic hydrazide,2-thiophenecarbohydrazide,thiophene-2-carboxylic hydrazide,2-thiophenecarboxylic acid, hydrazide,2-thiophenecarbohydrazonic acid,2-thienylcarboxylic acid hydrazide,2-thiophene carboxylic hydrazide
IUPAC Name thiophene-2-carbohydrazide
InChI Key SOGBOGBTIKMGFS-UHFFFAOYSA-N
Molecular Formula C5H6N2OS