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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 63 results
1

1-Benzothiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 5381-25-9 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.205 MDL Number: MFCD01846406 InChI Key: DRBLTQNCQJXSNU-UHFFFAOYSA-N Synonym: benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid PubChem CID: 601280 IUPAC Name: 1-benzothiophene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=CS2)C(=O)O

PubChem CID 601280
CAS 5381-25-9
Molecular Weight (g/mol) 178.205
MDL Number MFCD01846406
SMILES C1=CC=C2C(=C1)C(=CS2)C(=O)O
Synonym benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid
IUPAC Name 1-benzothiophene-3-carboxylic acid
InChI Key DRBLTQNCQJXSNU-UHFFFAOYSA-N
Molecular Formula C9H6O2S
2

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

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
3

2,5-Dimethylthiophene, 98+%

CAS: 638-02-8 Molecular Formula: C6H8S Molecular Weight (g/mol): 112.19 MDL Number: MFCD00005452 InChI Key: GWQOOADXMVQEFT-UHFFFAOYSA-N Synonym: thiophene, 2,5-dimethyl,2,5-dimethyl-thiophene,unii-v6ddx6wb12,v6ddx6wb12,pubchem5194,2,5 dimethylthiophene,thiophene,5-dimethyl,2,5-dimethyl thiophene,thiophene,2,5-dimethyl,2,5-dimethyl-2h-thiolium PubChem CID: 12514 IUPAC Name: 2,5-dimethylthiophene SMILES: CC1=CC=C(S1)C

PubChem CID 12514
CAS 638-02-8
Molecular Weight (g/mol) 112.19
MDL Number MFCD00005452
SMILES CC1=CC=C(S1)C
Synonym thiophene, 2,5-dimethyl,2,5-dimethyl-thiophene,unii-v6ddx6wb12,v6ddx6wb12,pubchem5194,2,5 dimethylthiophene,thiophene,5-dimethyl,2,5-dimethyl thiophene,thiophene,2,5-dimethyl,2,5-dimethyl-2h-thiolium
IUPAC Name 2,5-dimethylthiophene
InChI Key GWQOOADXMVQEFT-UHFFFAOYSA-N
Molecular Formula C6H8S
4

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

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

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

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
6

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
7

5-Nitrothiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 40357-96-8 Molecular Formula: C5H3NO4S Molecular Weight (g/mol): 173.142 MDL Number: MFCD00052582 InChI Key: VNJUNWUOAKEIKG-UHFFFAOYSA-N Synonym: 5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid PubChem CID: 2777267 SMILES: C1=C(SC=C1C(=O)O)[N+](=O)[O-]

PubChem CID 2777267
CAS 40357-96-8
Molecular Weight (g/mol) 173.142
MDL Number MFCD00052582
SMILES C1=C(SC=C1C(=O)O)[N+](=O)[O-]
Synonym 5-nitrothiophene-3-carboxylic acid,2-nitrothiophene-4-carboxylic acid,5-nitro-thiophene-3-carboxylic acid,5-nitro-3-thiophenecarboxylic acid,3-thiophenecarboxylic acid, 5-nitro,maybridge1_003249,acmc-1ascr,2-nitro-4-carboxythiophene,ksc238c5f,2-nitro-4-thiophenecarboxylic acid
InChI Key VNJUNWUOAKEIKG-UHFFFAOYSA-N
Molecular Formula C5H3NO4S
8

Benzo[b]thiophene-2-carbohydrazide, 97%, Thermo Scientific™

CAS: 175135-07-6 Molecular Formula: C9H8N2OS Molecular Weight (g/mol): 192.24 MDL Number: MFCD00052501 InChI Key: ZXKPFIRPUUAAPQ-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide PubChem CID: 519437 IUPAC Name: 1-benzothiophene-2-carbohydrazide SMILES: NNC(=O)C1=CC2=CC=CC=C2S1

PubChem CID 519437
CAS 175135-07-6
Molecular Weight (g/mol) 192.24
MDL Number MFCD00052501
SMILES NNC(=O)C1=CC2=CC=CC=C2S1
Synonym benzo b thiophene-2-carbohydrazide,benzo b thiophene-2-carboxylic hydrazide,thianaphthene-2-carboxylic hydrazide,benzo b thiophene-2-carboxylicacid, hydrazide,maybridge1_008989,acmc-1c3go,#,benzo b thiophene-2-carboxylic acid hydrazide
IUPAC Name 1-benzothiophene-2-carbohydrazide
InChI Key ZXKPFIRPUUAAPQ-UHFFFAOYSA-N
Molecular Formula C9H8N2OS
9

5-Nitrothiophene-2-carbonitrile, 98%, Thermo Scientific™

CAS: 16689-02-4 Molecular Formula: C5H2N2O2S Molecular Weight (g/mol): 154.15 InChI Key: FLYONFCGDKAMIH-UHFFFAOYSA-N Synonym: 5-nitro-2-thiophenecarbonitrile,5-cyano-2-nitrothiophene,2-cyano-5-nitrothiophene,5-nitrothiophene-2-carbonitirile,5-nitro-thiophene-2-carbonitrile,2-thiophenecarbonitrile, 5-nitro,zlchem 478,maybridge1_005980,5-nitro-2-cyanothiophene,acmc-209dv8 PubChem CID: 519294 IUPAC Name: 5-nitrothiophene-2-carbonitrile SMILES: C1=C(SC(=C1)[N+](=O)[O-])C#N

PubChem CID 519294
CAS 16689-02-4
Molecular Weight (g/mol) 154.15
SMILES C1=C(SC(=C1)[N+](=O)[O-])C#N
Synonym 5-nitro-2-thiophenecarbonitrile,5-cyano-2-nitrothiophene,2-cyano-5-nitrothiophene,5-nitrothiophene-2-carbonitirile,5-nitro-thiophene-2-carbonitrile,2-thiophenecarbonitrile, 5-nitro,zlchem 478,maybridge1_005980,5-nitro-2-cyanothiophene,acmc-209dv8
IUPAC Name 5-nitrothiophene-2-carbonitrile
InChI Key FLYONFCGDKAMIH-UHFFFAOYSA-N
Molecular Formula C5H2N2O2S
10

5-(Methylsulfonyl)thiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 60166-86-1 Molecular Formula: C6H6O4S2 Molecular Weight (g/mol): 206.23 MDL Number: MFCD00173745 InChI Key: SLWRTVINHWIGTK-UHFFFAOYSA-N Synonym: 5-methylsulfonyl thiophene-2-carboxylic acid,5-methanesulfonylthiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-methylsulfonyl,maybridge1_007675,5-methanesulfonyl-2-thiphenecarboxylic acid,5-methylsulfonyl-2-thiophenecarboxylic acid,2-thiophenecarboxylicacid,5-methylsulfonyl,5-methanesulfonyl thiophene-2-carboxylic acid PubChem CID: 2740497 IUPAC Name: 5-methylsulfonylthiophene-2-carboxylic acid SMILES: CS(=O)(=O)C1=CC=C(S1)C(O)=O

PubChem CID 2740497
CAS 60166-86-1
Molecular Weight (g/mol) 206.23
MDL Number MFCD00173745
SMILES CS(=O)(=O)C1=CC=C(S1)C(O)=O
Synonym 5-methylsulfonyl thiophene-2-carboxylic acid,5-methanesulfonylthiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-methylsulfonyl,maybridge1_007675,5-methanesulfonyl-2-thiphenecarboxylic acid,5-methylsulfonyl-2-thiophenecarboxylic acid,2-thiophenecarboxylicacid,5-methylsulfonyl,5-methanesulfonyl thiophene-2-carboxylic acid
IUPAC Name 5-methylsulfonylthiophene-2-carboxylic acid
InChI Key SLWRTVINHWIGTK-UHFFFAOYSA-N
Molecular Formula C6H6O4S2
11

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

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
12

5-Bromothiophene-2-carboxylic acid, 97%

CAS: 7311-63-9 Molecular Formula: C5H2BrO2S Molecular Weight (g/mol): 206.03 MDL Number: MFCD00079725 InChI Key: COWZPSUDTMGBAT-UHFFFAOYSA-M Synonym: 5-bromo-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-bromo,2-bromo-5-carboxythiophene,2-bromothiophene-5-carboxylic acid,5-bromo-thiophene-2-carboxylic acid,5-bromothiophene-2-carboxylicacid,zlchem 973,pubchem7368,acmc-209opm,maybridge1_002056 PubChem CID: 349115 IUPAC Name: 5-bromothiophene-2-carboxylic acid SMILES: [O-]C(=O)C1=CC=C(Br)S1

PubChem CID 349115
CAS 7311-63-9
Molecular Weight (g/mol) 206.03
MDL Number MFCD00079725
SMILES [O-]C(=O)C1=CC=C(Br)S1
Synonym 5-bromo-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-bromo,2-bromo-5-carboxythiophene,2-bromothiophene-5-carboxylic acid,5-bromo-thiophene-2-carboxylic acid,5-bromothiophene-2-carboxylicacid,zlchem 973,pubchem7368,acmc-209opm,maybridge1_002056
IUPAC Name 5-bromothiophene-2-carboxylic acid
InChI Key COWZPSUDTMGBAT-UHFFFAOYSA-M
Molecular Formula C5H2BrO2S
13

3-Methoxythiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 60166-83-8 Molecular Formula: C6H6O3S Molecular Weight (g/mol): 158.17 MDL Number: MFCD01316613 InChI Key: LSSMRBBQCHSDNS-UHFFFAOYSA-N PubChem CID: 1483475 IUPAC Name: 3-methoxythiophene-2-carboxylic acid SMILES: COC1=C(SC=C1)C(O)=O

PubChem CID 1483475
CAS 60166-83-8
Molecular Weight (g/mol) 158.17
MDL Number MFCD01316613
SMILES COC1=C(SC=C1)C(O)=O
IUPAC Name 3-methoxythiophene-2-carboxylic acid
InChI Key LSSMRBBQCHSDNS-UHFFFAOYSA-N
Molecular Formula C6H6O3S
14

2-Iodo-5-methylthiophene, 97%

CAS: 16494-36-3 Molecular Formula: C5H5IS Molecular Weight (g/mol): 224.06 MDL Number: MFCD00022492 InChI Key: NAZNQEXKAPLVKC-UHFFFAOYSA-N Synonym: thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene PubChem CID: 140096 IUPAC Name: 2-iodo-5-methylthiophene SMILES: CC1=CC=C(I)S1

PubChem CID 140096
CAS 16494-36-3
Molecular Weight (g/mol) 224.06
MDL Number MFCD00022492
SMILES CC1=CC=C(I)S1
Synonym thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene
IUPAC Name 2-iodo-5-methylthiophene
InChI Key NAZNQEXKAPLVKC-UHFFFAOYSA-N
Molecular Formula C5H5IS
15

2-Bromo-5-methylthiophene, stabilised with Copper (0.1%) and Sodium bicarbonate (0.4%), 95%

CAS: 765-58-2 Molecular Formula: C5H5BrS Molecular Weight (g/mol): 177.06 MDL Number: MFCD00130103 InChI Key: ACDLOOGOFKSUPO-UHFFFAOYSA-N Synonym: 2-bromo-5-methyl-thiophene,2-bromo-5-methyl thiophene,thiophene, 2-bromo-5-methyl,2-methyl-5-bromothiophene,2-brom-5-methylthiophen,zlchem 358,pubchem5193,acmc-1beki,2-methyl-5-bromothiphene,5-bromo-2-methylthiophene PubChem CID: 69831 IUPAC Name: 2-bromo-5-methylthiophene SMILES: CC1=CC=C(S1)Br

PubChem CID 69831
CAS 765-58-2
Molecular Weight (g/mol) 177.06
MDL Number MFCD00130103
SMILES CC1=CC=C(S1)Br
Synonym 2-bromo-5-methyl-thiophene,2-bromo-5-methyl thiophene,thiophene, 2-bromo-5-methyl,2-methyl-5-bromothiophene,2-brom-5-methylthiophen,zlchem 358,pubchem5193,acmc-1beki,2-methyl-5-bromothiphene,5-bromo-2-methylthiophene
IUPAC Name 2-bromo-5-methylthiophene
InChI Key ACDLOOGOFKSUPO-UHFFFAOYSA-N
Molecular Formula C5H5BrS