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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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Physical Form 
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Molecular Weight (g/mol)

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Quantity

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Physical Form

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Grade

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1 – 15 of 122 results
1

Methyl 3-aminothiophene-2-carboxylate, 98+%

CAS: 22288-78-4 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00009765 InChI Key: TWEQNZZOOFKOER-UHFFFAOYSA-N Synonym: methyl 3-amino-2-thiophenecarboxylate,3-aminothiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-, methyl ester,3-amino-thiophene-2-carboxylic acid methyl ester,3-amino-2-thiophenecarboxylic acid methyl ester,methyl 3-amino-2-thiophene carboxylate,methyl-3-amino-thiophene-2-carboxylate,3-amino-2-carbomethoxythiophene,3-amino-2-methoxycarbonylthiophene,methyl3-aminothiophene-2-carboxylate PubChem CID: 89652 IUPAC Name: methyl 3-aminothiophene-2-carboxylate SMILES: COC(=O)C1=C(N)C=CS1

PubChem CID 89652
CAS 22288-78-4
Molecular Weight (g/mol) 157.19
MDL Number MFCD00009765
SMILES COC(=O)C1=C(N)C=CS1
Synonym methyl 3-amino-2-thiophenecarboxylate,3-aminothiophene-2-carboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-, methyl ester,3-amino-thiophene-2-carboxylic acid methyl ester,3-amino-2-thiophenecarboxylic acid methyl ester,methyl 3-amino-2-thiophene carboxylate,methyl-3-amino-thiophene-2-carboxylate,3-amino-2-carbomethoxythiophene,3-amino-2-methoxycarbonylthiophene,methyl3-aminothiophene-2-carboxylate
IUPAC Name methyl 3-aminothiophene-2-carboxylate
InChI Key TWEQNZZOOFKOER-UHFFFAOYSA-N
Molecular Formula C6H7NO2S
2

2-Amino-4-methylthiophene-3-carboxamide, 98%

CAS: 4651-97-2 Molecular Formula: C6H8N2OS Molecular Weight (g/mol): 156.203 MDL Number: MFCD00052594 InChI Key: AXLIJQRGPVJGSO-UHFFFAOYSA-N Synonym: 2-amino-4-methyl-3-thiophenecarboxamide,3-thiophenecarboxamide, 2-amino-4-methyl,acmc-20a2ps,maybridge1_003931,2-amino-4-methyl-thiophen-3-carboxamid,2-amino-4-methyl-3-thiophene carboxamide,2-azanyl-4-methyl-thiophene-3-carboxamide,2-amino-4-methyl-thiophene-3-carboxylic acid amide PubChem CID: 293810 IUPAC Name: 2-amino-4-methylthiophene-3-carboxamide SMILES: CC1=CSC(=C1C(=O)N)N

PubChem CID 293810
CAS 4651-97-2
Molecular Weight (g/mol) 156.203
MDL Number MFCD00052594
SMILES CC1=CSC(=C1C(=O)N)N
Synonym 2-amino-4-methyl-3-thiophenecarboxamide,3-thiophenecarboxamide, 2-amino-4-methyl,acmc-20a2ps,maybridge1_003931,2-amino-4-methyl-thiophen-3-carboxamid,2-amino-4-methyl-3-thiophene carboxamide,2-azanyl-4-methyl-thiophene-3-carboxamide,2-amino-4-methyl-thiophene-3-carboxylic acid amide
IUPAC Name 2-amino-4-methylthiophene-3-carboxamide
InChI Key AXLIJQRGPVJGSO-UHFFFAOYSA-N
Molecular Formula C6H8N2OS
3

4,5-Dibromothiophene-2-sulfonyl chloride, 97%

CAS: 81606-31-7 Molecular Formula: C4HBr2ClO2S2 Molecular Weight (g/mol): 340.43 MDL Number: MFCD00041439 InChI Key: WJYGHWXWQSCONR-UHFFFAOYSA-N Synonym: 4,5-dibromothiophene-2-sulphonyl chloride,2,3-dibromothiophene-5-sulfonyl chloride,4,5-dibromo-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 4,5-dibromo,4,5-dibromothiophene-2-sulfonic acid chloride,acmc-20ams9,buttpark 9350-57,4,5-dibromo 2-thienyl chlorosulfone,2,3-dibromothiophene-5-sulfonylchloride,4,5-dibromothiophene-2-sulfonylchloride PubChem CID: 522755 IUPAC Name: 4,5-dibromothiophene-2-sulfonyl chloride SMILES: ClS(=O)(=O)C1=CC(Br)=C(Br)S1

PubChem CID 522755
CAS 81606-31-7
Molecular Weight (g/mol) 340.43
MDL Number MFCD00041439
SMILES ClS(=O)(=O)C1=CC(Br)=C(Br)S1
Synonym 4,5-dibromothiophene-2-sulphonyl chloride,2,3-dibromothiophene-5-sulfonyl chloride,4,5-dibromo-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 4,5-dibromo,4,5-dibromothiophene-2-sulfonic acid chloride,acmc-20ams9,buttpark 9350-57,4,5-dibromo 2-thienyl chlorosulfone,2,3-dibromothiophene-5-sulfonylchloride,4,5-dibromothiophene-2-sulfonylchloride
IUPAC Name 4,5-dibromothiophene-2-sulfonyl chloride
InChI Key WJYGHWXWQSCONR-UHFFFAOYSA-N
Molecular Formula C4HBr2ClO2S2
4

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
5

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
6

Ethyl 2-amino-5-phenylthiophene-3-carboxylate, 97%

CAS: 4815-34-3 Molecular Formula: C13H13NO2S Molecular Weight (g/mol): 247.312 MDL Number: MFCD01829801 InChI Key: WIVNPGXPJBBZQH-UHFFFAOYSA-N Synonym: ethyl 2-amino-5-phenyl-3-thiophenecarboxylate,2-amino-5-phenyl-thiophene-3-carboxylic acid ethyl ester,2-amino-5-phenylthiophene-3-carboxylic acid ethyl ester,ethyl2-amino-5-phenylthiophene-3-carboxylate,2-amino-5-phenyl-3-thiophenecarboxylic acid ethyl ester,enamine_004942,2-amino-3-ethoxycarbonyl-5-phenylthiophene,ethyl 2-azanyl-5-phenyl-thiophene-3-carboxylate,2-amino-5-phenyl thiophene-3-carboxylic ethyl ester,2-amino-5-phenyl-3-thiophenecarboxylic acid, ethyl ester PubChem CID: 638860 IUPAC Name: ethyl 2-amino-5-phenylthiophene-3-carboxylate SMILES: CCOC(=O)C1=C(SC(=C1)C2=CC=CC=C2)N

PubChem CID 638860
CAS 4815-34-3
Molecular Weight (g/mol) 247.312
MDL Number MFCD01829801
SMILES CCOC(=O)C1=C(SC(=C1)C2=CC=CC=C2)N
Synonym ethyl 2-amino-5-phenyl-3-thiophenecarboxylate,2-amino-5-phenyl-thiophene-3-carboxylic acid ethyl ester,2-amino-5-phenylthiophene-3-carboxylic acid ethyl ester,ethyl2-amino-5-phenylthiophene-3-carboxylate,2-amino-5-phenyl-3-thiophenecarboxylic acid ethyl ester,enamine_004942,2-amino-3-ethoxycarbonyl-5-phenylthiophene,ethyl 2-azanyl-5-phenyl-thiophene-3-carboxylate,2-amino-5-phenyl thiophene-3-carboxylic ethyl ester,2-amino-5-phenyl-3-thiophenecarboxylic acid, ethyl ester
IUPAC Name ethyl 2-amino-5-phenylthiophene-3-carboxylate
InChI Key WIVNPGXPJBBZQH-UHFFFAOYSA-N
Molecular Formula C13H13NO2S
7

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
8

D-Gulonic acid-1,4-lactone, 98%

CAS: 6322-07-2 MDL Number: MFCD00005391

CAS 6322-07-2
MDL Number MFCD00005391
9

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
10

3-Chlorothiophene-2-carboxylic acid, 97+%

CAS: 59337-89-2 Molecular Formula: C5H3ClO2S Molecular Weight (g/mol): 162.587 MDL Number: MFCD00043888 InChI Key: BXEAAHIHFFIMIE-UHFFFAOYSA-N Synonym: 3-chloro-2-thiophenecarboxylic acid,3-chlorothiophene-2-carboxylicacid,2-thiophenecarboxylic acid, chloro,3-chloro-thiophene-2-carboxylic acid,pubchem5491,chlorothiophenecarboxylic,acmc-20agf8,maybridge1_004006,ksc274e4d,3-chlorothiophenecarboxylic acid PubChem CID: 701269 IUPAC Name: 3-chlorothiophene-2-carboxylic acid SMILES: C1=CSC(=C1Cl)C(=O)O

PubChem CID 701269
CAS 59337-89-2
Molecular Weight (g/mol) 162.587
MDL Number MFCD00043888
SMILES C1=CSC(=C1Cl)C(=O)O
Synonym 3-chloro-2-thiophenecarboxylic acid,3-chlorothiophene-2-carboxylicacid,2-thiophenecarboxylic acid, chloro,3-chloro-thiophene-2-carboxylic acid,pubchem5491,chlorothiophenecarboxylic,acmc-20agf8,maybridge1_004006,ksc274e4d,3-chlorothiophenecarboxylic acid
IUPAC Name 3-chlorothiophene-2-carboxylic acid
InChI Key BXEAAHIHFFIMIE-UHFFFAOYSA-N
Molecular Formula C5H3ClO2S
11

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

CAS: 175202-48-9 Molecular Formula: C8H7NO2S2 Molecular Weight (g/mol): 213.27 MDL Number: MFCD00173757 InChI Key: MJOQLNYXSSXZDJ-UHFFFAOYSA-N Synonym: methyl 4-cyano-5-methylthio thiophene-2-carboxylate,methyl 4-cyano-5-methylsulfanyl thiophene-2-carboxylate,4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 4-cyano-5-methylthiothiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-cyano-5-methylthio-, methyl ester,acmc-20akgh,methyl 3-cyano-2-methylthio thiophene-5-carboxylate,methyl 4-cyano-5-methylsulfanyl-2-thiophenecarboxylate,4-cyano-5-methylthio thiophene-2-carboxylic acid methyl ester PubChem CID: 18536976 IUPAC Name: methyl 4-cyano-5-methylsulfanylthiophene-2-carboxylate SMILES: COC(=O)C1=CC(C#N)=C(SC)S1

PubChem CID 18536976
CAS 175202-48-9
Molecular Weight (g/mol) 213.27
MDL Number MFCD00173757
SMILES COC(=O)C1=CC(C#N)=C(SC)S1
Synonym methyl 4-cyano-5-methylthio thiophene-2-carboxylate,methyl 4-cyano-5-methylsulfanyl thiophene-2-carboxylate,4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 4-cyano-5-methylthiothiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-cyano-5-methylthio-, methyl ester,acmc-20akgh,methyl 3-cyano-2-methylthio thiophene-5-carboxylate,methyl 4-cyano-5-methylsulfanyl-2-thiophenecarboxylate,4-cyano-5-methylthio thiophene-2-carboxylic acid methyl ester
IUPAC Name methyl 4-cyano-5-methylsulfanylthiophene-2-carboxylate
InChI Key MJOQLNYXSSXZDJ-UHFFFAOYSA-N
Molecular Formula C8H7NO2S2
12

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
13

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
14

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
15

2,5-Dimethylthiophene-3-boronic acid, 95%

CAS: 162607-23-0 Molecular Formula: C6H9BO2S Molecular Weight (g/mol): 156.01 MDL Number: MFCD09837620 InChI Key: RFQHMNWNEOZRLK-UHFFFAOYSA-N Synonym: 2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl PubChem CID: 45588123 IUPAC Name: (2,5-dimethylthiophen-3-yl)boronic acid SMILES: CC1=CC(B(O)O)=C(C)S1

PubChem CID 45588123
CAS 162607-23-0
Molecular Weight (g/mol) 156.01
MDL Number MFCD09837620
SMILES CC1=CC(B(O)O)=C(C)S1
Synonym 2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl
IUPAC Name (2,5-dimethylthiophen-3-yl)boronic acid
InChI Key RFQHMNWNEOZRLK-UHFFFAOYSA-N
Molecular Formula C6H9BO2S