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 265 results

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

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Specifications

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

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

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Specifications

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

5-Bromo-2-thiophenecarboxaldehyde, 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

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Specifications

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

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

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Specifications

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

5-Bromothiophene-2-sulfonyl chloride, 96%

CAS: 55854-46-1 Molecular Formula: C4H2BrClO2S2 Molecular Weight (g/mol): 261.53 MDL Number: MFCD00084909 InChI Key: WGYBIEOLAFYDEC-UHFFFAOYSA-N Synonym: 5-bromothiophenesulfonyl chloride,5-bromo-2-thiophenesulfonyl chloride,5-bromo-thiophene-2-sulfonyl chloride,5-bromothiophene-2-sulphonyl chloride,5-bromo-2-chlorosulphonyl thiophene,5-bromo-2-chlorosulfonyl thiophene,5-bromothiophenesulphonyl chloride,buttpark 21\07-09,5-bromo 2-thienyl chlorosulfone,5-bromothiophen-2-sulfonyl chloride PubChem CID: 2733924 IUPAC Name: 5-bromothiophene-2-sulfonyl chloride SMILES: ClS(=O)(=O)C1=CC=C(Br)S1

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Specifications

PubChem CID	2733924
CAS	55854-46-1
Molecular Weight (g/mol)	261.53
MDL Number	MFCD00084909
SMILES	ClS(=O)(=O)C1=CC=C(Br)S1
Synonym	5-bromothiophenesulfonyl chloride,5-bromo-2-thiophenesulfonyl chloride,5-bromo-thiophene-2-sulfonyl chloride,5-bromothiophene-2-sulphonyl chloride,5-bromo-2-chlorosulphonyl thiophene,5-bromo-2-chlorosulfonyl thiophene,5-bromothiophenesulphonyl chloride,buttpark 21\07-09,5-bromo 2-thienyl chlorosulfone,5-bromothiophen-2-sulfonyl chloride
IUPAC Name	5-bromothiophene-2-sulfonyl chloride
InChI Key	WGYBIEOLAFYDEC-UHFFFAOYSA-N
Molecular Formula	C4H2BrClO2S2

5-Methylthiophene-2-carboxylic acid, 98+%

CAS: 1918-79-2 Molecular Formula: C6H6O2S Molecular Weight (g/mol): 142.172 MDL Number: MFCD00005439 InChI Key: VCNGNQLPFHVODE-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenecarboxylic acid,5-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 5-methyl,2-carboxy-5-methylthiophene,5-methly-2-thiophenecarboxylic acid,5-methyl-thiophene-2-carboxylic acid,5-methyl-2-thiophene carboxylic acid,5-methylthiophen-2-carboxylic acid,2-methyl-5-thiophenecarboxylic acid,pubchem5206 PubChem CID: 74713 IUPAC Name: 5-methylthiophene-2-carboxylic acid SMILES: CC1=CC=C(S1)C(=O)O

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Specifications

PubChem CID	74713
CAS	1918-79-2
Molecular Weight (g/mol)	142.172
MDL Number	MFCD00005439
SMILES	CC1=CC=C(S1)C(=O)O
Synonym	5-methyl-2-thiophenecarboxylic acid,5-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 5-methyl,2-carboxy-5-methylthiophene,5-methly-2-thiophenecarboxylic acid,5-methyl-thiophene-2-carboxylic acid,5-methyl-2-thiophene carboxylic acid,5-methylthiophen-2-carboxylic acid,2-methyl-5-thiophenecarboxylic acid,pubchem5206
IUPAC Name	5-methylthiophene-2-carboxylic acid
InChI Key	VCNGNQLPFHVODE-UHFFFAOYSA-N
Molecular Formula	C6H6O2S

5-Cyanothiophene-2-boronic acid, 98%

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

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Specifications

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

5-(4-Methoxyphenyl)thiophene-2-carboxaldehyde, 99%

CAS: 38401-67-1 Molecular Formula: C12H10O2S Molecular Weight (g/mol): 218.27 MDL Number: MFCD00663639 InChI Key: ODLOZSNXTQAWGQ-UHFFFAOYSA-N Synonym: 5-4-methoxyphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl thiophene-2-carboxaldehyde,5-4-methoxyphenyl-2-thiophenecarbaldehyde,acmc-1ahp9,rarechem ak ma k025,methoxyphenylthiophenecarbaldehyde,2-formyl-5-4-methoxyphenyl thiophene,5-4-methoxylphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl-2-thiophenecarboxaldehyde,5-4-methoxy-phenyl-thiophene-2-carbaldehyde PubChem CID: 2797800 IUPAC Name: 5-(4-methoxyphenyl)thiophene-2-carbaldehyde SMILES: COC1=CC=C(C=C1)C1=CC=C(S1)C=O

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Specifications

PubChem CID	2797800
CAS	38401-67-1
Molecular Weight (g/mol)	218.27
MDL Number	MFCD00663639
SMILES	COC1=CC=C(C=C1)C1=CC=C(S1)C=O
Synonym	5-4-methoxyphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl thiophene-2-carboxaldehyde,5-4-methoxyphenyl-2-thiophenecarbaldehyde,acmc-1ahp9,rarechem ak ma k025,methoxyphenylthiophenecarbaldehyde,2-formyl-5-4-methoxyphenyl thiophene,5-4-methoxylphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl-2-thiophenecarboxaldehyde,5-4-methoxy-phenyl-thiophene-2-carbaldehyde
IUPAC Name	5-(4-methoxyphenyl)thiophene-2-carbaldehyde
InChI Key	ODLOZSNXTQAWGQ-UHFFFAOYSA-N
Molecular Formula	C12H10O2S

Thiophene-2,5-dicarboxylic acid, 97%

CAS: 4282-31-9 Molecular Formula: C6H4O4S Molecular Weight (g/mol): 172.154 MDL Number: MFCD00016896 InChI Key: YCGAZNXXGKTASZ-UHFFFAOYSA-N Synonym: 2,5-thiophenedicarboxylic acid,2,5-dicarboxythiophene,unii-5q8a2g9y8a,2,5-thiophene dicarboxylic acid,pubchem5580,maybridge4_002021,acmc-1aj5p,ksc182i5d,2,5-thiophene-dicarboxylic acid,thiophene-2.5-dicarboxylic acid PubChem CID: 20273 IUPAC Name: thiophene-2,5-dicarboxylic acid SMILES: C1=C(SC(=C1)C(=O)O)C(=O)O

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Specifications

PubChem CID	20273
CAS	4282-31-9
Molecular Weight (g/mol)	172.154
MDL Number	MFCD00016896
SMILES	C1=C(SC(=C1)C(=O)O)C(=O)O
Synonym	2,5-thiophenedicarboxylic acid,2,5-dicarboxythiophene,unii-5q8a2g9y8a,2,5-thiophene dicarboxylic acid,pubchem5580,maybridge4_002021,acmc-1aj5p,ksc182i5d,2,5-thiophene-dicarboxylic acid,thiophene-2.5-dicarboxylic acid
IUPAC Name	thiophene-2,5-dicarboxylic acid
InChI Key	YCGAZNXXGKTASZ-UHFFFAOYSA-N
Molecular Formula	C6H4O4S

4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carboxylic acid, 97%

CAS: 40133-07-1 Molecular Formula: C9H10O2S Molecular Weight (g/mol): 182.237 MDL Number: MFCD00464469 InChI Key: ROLXOQXKNDKXTA-UHFFFAOYSA-N Synonym: 4,5,6,7-tetrahydrobenzo b thiophene-2-carboxylic acid,4,5,6,7-tetrahydro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 4,5,6,7-tetrahydro,acmc-1asbb,enamine_001826,2-carboxy-4,5,6,7-tetrahydro-1-benzothiophene,2-carboxy-4,5,6,7-tetrahydrobenzo b thiophene,4,5,6,7-tetrahydrobenzo b thiophene-2-carboxylicacid,4,5,6,7-tetrahydrobenzo b-thiophene-2-carboxylic acid,4,5,6,7-tetrahydro-benzo b thiophene-2-carboxylic PubChem CID: 2063443 IUPAC Name: 4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylic acid SMILES: C1CCC2=C(C1)C=C(S2)C(=O)O

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Specifications

PubChem CID	2063443
CAS	40133-07-1
Molecular Weight (g/mol)	182.237
MDL Number	MFCD00464469
SMILES	C1CCC2=C(C1)C=C(S2)C(=O)O
Synonym	4,5,6,7-tetrahydrobenzo b thiophene-2-carboxylic acid,4,5,6,7-tetrahydro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 4,5,6,7-tetrahydro,acmc-1asbb,enamine_001826,2-carboxy-4,5,6,7-tetrahydro-1-benzothiophene,2-carboxy-4,5,6,7-tetrahydrobenzo b thiophene,4,5,6,7-tetrahydrobenzo b thiophene-2-carboxylicacid,4,5,6,7-tetrahydrobenzo b-thiophene-2-carboxylic acid,4,5,6,7-tetrahydro-benzo b thiophene-2-carboxylic
IUPAC Name	4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylic acid
InChI Key	ROLXOQXKNDKXTA-UHFFFAOYSA-N
Molecular Formula	C9H10O2S

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

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

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Specifications

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

2,5-Dibromo-3-methylthiophene, 98%

CAS: 13191-36-1 Molecular Formula: C5H4Br2S Molecular Weight (g/mol): 255.955 MDL Number: MFCD00015470 InChI Key: IHFXZROPBCBLLG-UHFFFAOYSA-N Synonym: thiophene, 2,5-dibromo-3-methyl,2,5-dibromo-3-methyl-thiophene,acmc-1bt3y,2-p-nitrophenylthio ethanol,2,5-dibrom-3-methylthiophen,3-methyl-2,5-dibromothiophene,2,5-dibromo-3-methylthiophene PubChem CID: 83219 IUPAC Name: 2,5-dibromo-3-methylthiophene SMILES: CC1=C(SC(=C1)Br)Br

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Specifications

PubChem CID	83219
CAS	13191-36-1
Molecular Weight (g/mol)	255.955
MDL Number	MFCD00015470
SMILES	CC1=C(SC(=C1)Br)Br
Synonym	thiophene, 2,5-dibromo-3-methyl,2,5-dibromo-3-methyl-thiophene,acmc-1bt3y,2-p-nitrophenylthio ethanol,2,5-dibrom-3-methylthiophen,3-methyl-2,5-dibromothiophene,2,5-dibromo-3-methylthiophene
IUPAC Name	2,5-dibromo-3-methylthiophene
InChI Key	IHFXZROPBCBLLG-UHFFFAOYSA-N
Molecular Formula	C5H4Br2S

5-Nitrothiophene-2-carboxylic acid, 98%

CAS: 6317-37-9 Molecular Formula: C5H3NO4S Molecular Weight (g/mol): 173.142 MDL Number: MFCD00159552 InChI Key: UNEPVPOHGXLUIR-UHFFFAOYSA-N Synonym: 5-nitrothiophene-2-carboxylic acid,5-nitro-2-thiophenecarboxylic acid,5-nitro-2-thenoic acid,5-nitrothiophene-2-carboxylicacid,5-nitro-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-nitro,2-carboxy-5-nitrothiophene,pubchem5568,acmc-1b47f,5-nitrothiophene-2-carboxylic PubChem CID: 80591 SMILES: C1=C(SC(=C1)[N+](=O)[O-])C(=O)O

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Specifications

PubChem CID	80591
CAS	6317-37-9
Molecular Weight (g/mol)	173.142
MDL Number	MFCD00159552
SMILES	C1=C(SC(=C1)[N+](=O)[O-])C(=O)O
Synonym	5-nitrothiophene-2-carboxylic acid,5-nitro-2-thiophenecarboxylic acid,5-nitro-2-thenoic acid,5-nitrothiophene-2-carboxylicacid,5-nitro-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-nitro,2-carboxy-5-nitrothiophene,pubchem5568,acmc-1b47f,5-nitrothiophene-2-carboxylic
InChI Key	UNEPVPOHGXLUIR-UHFFFAOYSA-N
Molecular Formula	C5H3NO4S

Benzo[b]thiophene-2-carboxylic acid, 98%

CAS: 6314-28-9 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.21 MDL Number: MFCD00051636 InChI Key: DYSJMQABFPKAQM-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carboxylic acid,thianaphthene-2-carboxylic acid,thionaphthene-2-carboxylic acid,tnca,benzothiophene-2-carboxylic acid,2-benzo b thiophenecarboxylic acid,unii-hlr49221fq,thionapthene-2-carboxylic acid,thianaphthene-2-carboxylicacid PubChem CID: 95864 IUPAC Name: 1-benzothiophene-2-carboxylic acid SMILES: OC(=O)C1=CC2=CC=CC=C2S1

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Specifications

PubChem CID	95864
CAS	6314-28-9
Molecular Weight (g/mol)	178.21
MDL Number	MFCD00051636
SMILES	OC(=O)C1=CC2=CC=CC=C2S1
Synonym	benzo b thiophene-2-carboxylic acid,thianaphthene-2-carboxylic acid,thionaphthene-2-carboxylic acid,tnca,benzothiophene-2-carboxylic acid,2-benzo b thiophenecarboxylic acid,unii-hlr49221fq,thionapthene-2-carboxylic acid,thianaphthene-2-carboxylicacid
IUPAC Name	1-benzothiophene-2-carboxylic acid
InChI Key	DYSJMQABFPKAQM-UHFFFAOYSA-N
Molecular Formula	C9H6O2S

Thiophenes

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