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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

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

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
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

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

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
6

5-Formyl-4-methylthiophene-2-boronic acid, 97%

CAS: 352530-25-7 Molecular Formula: C6H7BO3S Molecular Weight (g/mol): 169.99 MDL Number: MFCD03093890 InChI Key: QEIXJCOHLUKRPO-UHFFFAOYSA-N Synonym: 5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl PubChem CID: 46738927 IUPAC Name: (5-formyl-4-methylthiophen-2-yl)boronic acid SMILES: CC1=C(SC(=C1)B(O)O)C=O

PubChem CID 46738927
CAS 352530-25-7
Molecular Weight (g/mol) 169.99
MDL Number MFCD03093890
SMILES CC1=C(SC(=C1)B(O)O)C=O
Synonym 5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl
IUPAC Name (5-formyl-4-methylthiophen-2-yl)boronic acid
InChI Key QEIXJCOHLUKRPO-UHFFFAOYSA-N
Molecular Formula C6H7BO3S
7

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
8

5-Bromothiophene-2-carboxylic acid, 98%

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
9

2-Chloro-5-methylthiophene, 97%

CAS: 17249-82-0 Molecular Formula: C5H5ClS Molecular Weight (g/mol): 132.605 MDL Number: MFCD01632145 InChI Key: JSMMZMYGEVUURX-UHFFFAOYSA-N Synonym: thiophene, 2-chloro-5-methyl,pubchem5197,acmc-209e4p,2-chloro-5-methyl-thiophene,ksc497i0h,2-chloranyl-5-methyl-thiophene PubChem CID: 140208 IUPAC Name: 2-chloro-5-methylthiophene SMILES: CC1=CC=C(S1)Cl

PubChem CID 140208
CAS 17249-82-0
Molecular Weight (g/mol) 132.605
MDL Number MFCD01632145
SMILES CC1=CC=C(S1)Cl
Synonym thiophene, 2-chloro-5-methyl,pubchem5197,acmc-209e4p,2-chloro-5-methyl-thiophene,ksc497i0h,2-chloranyl-5-methyl-thiophene
IUPAC Name 2-chloro-5-methylthiophene
InChI Key JSMMZMYGEVUURX-UHFFFAOYSA-N
Molecular Formula C5H5ClS
10

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
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

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
13

Methyl 4,5-dibromothiophene-2-carboxylate, 97%

CAS: 62224-24-2 Molecular Formula: C6H4Br2O2S Molecular Weight (g/mol): 299.964 MDL Number: MFCD00831688 InChI Key: URPMSPAEAVFKCO-UHFFFAOYSA-N Synonym: methyl 4,5-dibromo-2-thiophenecarboxylate,4,5-dibromothiophene-2-carboxylic acid methyl ester,maybridge3_005092,methyldibromothiophenecarboxylate,methyl 4,5-dibromo-2-thiophencarboxylate,methyl 4, 5-dibromothiophene-2-carboxylate,4,5-dibromo-thiophene-2-carboxylic acid methyl ester PubChem CID: 2727707 IUPAC Name: methyl 4,5-dibromothiophene-2-carboxylate SMILES: COC(=O)C1=CC(=C(S1)Br)Br

PubChem CID 2727707
CAS 62224-24-2
Molecular Weight (g/mol) 299.964
MDL Number MFCD00831688
SMILES COC(=O)C1=CC(=C(S1)Br)Br
Synonym methyl 4,5-dibromo-2-thiophenecarboxylate,4,5-dibromothiophene-2-carboxylic acid methyl ester,maybridge3_005092,methyldibromothiophenecarboxylate,methyl 4,5-dibromo-2-thiophencarboxylate,methyl 4, 5-dibromothiophene-2-carboxylate,4,5-dibromo-thiophene-2-carboxylic acid methyl ester
IUPAC Name methyl 4,5-dibromothiophene-2-carboxylate
InChI Key URPMSPAEAVFKCO-UHFFFAOYSA-N
Molecular Formula C6H4Br2O2S
14

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
15

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