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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 206 results
1

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

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

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

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
4

5-Chlorothiophene-2-carboxaldehyde, 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

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
5

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

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
6

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-]

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
7

5-Formylthiophene-2-boronic acid, 97%

CAS: 4347-33-5 Molecular Formula: C5H5BO3S Molecular Weight (g/mol): 155.96 MDL Number: MFCD02093666 InChI Key: DEQOVKFWRPOPQP-UHFFFAOYSA-N Synonym: 5-formyl-2-thiopheneboronic acid,5-formylthiophen-2-boronic acid,5-formylthiophen-2-yl boronic acid,5-formylthiophene-2-boronic acid,2-formylthiophene-5-boronic acid,5-formylthienyl-2-boronic acid,5-formyl-2-thienyl boronic acid,boronic acid, 5-formyl-2-thienyl,5-formyl-2-thiopheneboronicacid,pubchem1722 PubChem CID: 2773430 IUPAC Name: (5-formylthiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(S1)C=O

PubChem CID 2773430
CAS 4347-33-5
Molecular Weight (g/mol) 155.96
MDL Number MFCD02093666
SMILES OB(O)C1=CC=C(S1)C=O
Synonym 5-formyl-2-thiopheneboronic acid,5-formylthiophen-2-boronic acid,5-formylthiophen-2-yl boronic acid,5-formylthiophene-2-boronic acid,2-formylthiophene-5-boronic acid,5-formylthienyl-2-boronic acid,5-formyl-2-thienyl boronic acid,boronic acid, 5-formyl-2-thienyl,5-formyl-2-thiopheneboronicacid,pubchem1722
IUPAC Name (5-formylthiophen-2-yl)boronic acid
InChI Key DEQOVKFWRPOPQP-UHFFFAOYSA-N
Molecular Formula C5H5BO3S
8

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
9

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
10

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
11

3-Bromothiophene-2-carboxylic acid, 97%

CAS: 7311-64-0 Molecular Formula: C5H3BrO2S Molecular Weight (g/mol): 207.041 MDL Number: MFCD00052291 InChI Key: VQQLWBUTTMNMFT-UHFFFAOYSA-N Synonym: 3-bromo-2-thiophenecarboxylic acid,3-bromo-2-thenoic acid,2-thiophenecarboxylic acid, 3-bromo,3-bromo-thiophene-2-carboxylic acid,maybridge1_007344,3-bromothiophene-2-carboxylicacid,bromothiophenecarboxylic,pubchem10096,ksc494c9j,bromo-thiophene-2-carboxylic acid PubChem CID: 2739688 IUPAC Name: 3-bromothiophene-2-carboxylic acid SMILES: C1=CSC(=C1Br)C(=O)O

PubChem CID 2739688
CAS 7311-64-0
Molecular Weight (g/mol) 207.041
MDL Number MFCD00052291
SMILES C1=CSC(=C1Br)C(=O)O
Synonym 3-bromo-2-thiophenecarboxylic acid,3-bromo-2-thenoic acid,2-thiophenecarboxylic acid, 3-bromo,3-bromo-thiophene-2-carboxylic acid,maybridge1_007344,3-bromothiophene-2-carboxylicacid,bromothiophenecarboxylic,pubchem10096,ksc494c9j,bromo-thiophene-2-carboxylic acid
IUPAC Name 3-bromothiophene-2-carboxylic acid
InChI Key VQQLWBUTTMNMFT-UHFFFAOYSA-N
Molecular Formula C5H3BrO2S
12

Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride, 97%

CAS: 121071-71-4 Molecular Formula: C8H10ClNO4S Molecular Weight (g/mol): 251.681 MDL Number: MFCD00205189 InChI Key: RETIFGMAGNDLAN-UHFFFAOYSA-N PubChem CID: 2808333 IUPAC Name: dimethyl 4-aminothiophene-2,3-dicarboxylate;hydrochloride SMILES: COC(=O)C1=C(SC=C1N)C(=O)OC.Cl

PubChem CID 2808333
CAS 121071-71-4
Molecular Weight (g/mol) 251.681
MDL Number MFCD00205189
SMILES COC(=O)C1=C(SC=C1N)C(=O)OC.Cl
IUPAC Name dimethyl 4-aminothiophene-2,3-dicarboxylate;hydrochloride
InChI Key RETIFGMAGNDLAN-UHFFFAOYSA-N
Molecular Formula C8H10ClNO4S
13

2-Thiophenecarboxylic acid hydrazide, 97%

CAS: 2361-27-5 Molecular Formula: C5H6N2OS Molecular Weight (g/mol): 142.18 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) 142.18
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
14

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
15

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

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