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-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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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

2-Bromo-5-nitrothiophene, 97%

CAS: 13195-50-1 Molecular Formula: C₄H₂BrNO₂S Molecular Weight (g/mol): 208.03 InChI Key: ZPNFMDYBAQDFDY-UHFFFAOYSA-N PubChem CID: 83222 IUPAC Name: 2-bromo-5-nitrothiophene SMILES: C1=C(SC(=C1)Br)[N+](=O)[O-]

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Specifications

PubChem CID	83222
CAS	13195-50-1
Molecular Weight (g/mol)	208.03
SMILES	C1=C(SC(=C1)Br)[N+](=O)[O-]
IUPAC Name	2-bromo-5-nitrothiophene
InChI Key	ZPNFMDYBAQDFDY-UHFFFAOYSA-N
Molecular Formula	C₄H₂BrNO₂S

Methyl 3-aminobenzo[b]thiophene-2-carboxylate, 97%

CAS: 35212-85-2 Molecular Formula: C₁₀H₉NO₂S Molecular Weight (g/mol): 207.25 MDL Number: MFCD00206744 InChI Key: VLHHEYMZLXKSQO-UHFFFAOYSA-N Synonym: methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester PubChem CID: 874720 IUPAC Name: methyl 3-amino-1-benzothiophene-2-carboxylate SMILES: COC(=O)C1=C(C2=CC=CC=C2S1)N

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Specifications

PubChem CID	874720
CAS	35212-85-2
Molecular Weight (g/mol)	207.25
MDL Number	MFCD00206744
SMILES	COC(=O)C1=C(C2=CC=CC=C2S1)N
Synonym	methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 3-amino-1-benzothiophene-2-carboxylate
InChI Key	VLHHEYMZLXKSQO-UHFFFAOYSA-N
Molecular Formula	C₁₀H₉NO₂S

3-(4-chlorophenyl)-4-cyano-5-(methylthio)thiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 116525-66-7 Molecular Formula: C13H8ClNO2S2 Molecular Weight (g/mol): 309.78 MDL Number: MFCD00112478 InChI Key: CCQQTQYIJRVXIU-UHFFFAOYSA-N Synonym: 3-4-chlorophenyl-4-cyano-5-methylthio thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 3-4-chlorophenyl-4-cyano-5-methylthio,3-4-chlorophenyl-4-cyano-5-methylsulfanyl thiophene-2-carboxylic acid,maybridge1_004446,acmc-1bss2,3-4-chlorophenyl-4-cyano-5-methylthio-2-thiophenecarboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid PubChem CID: 2735791 SMILES: CSC1=C(C#N)C(=C(S1)C(O)=O)C1=CC=C(Cl)C=C1

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Specifications

PubChem CID	2735791
CAS	116525-66-7
Molecular Weight (g/mol)	309.78
MDL Number	MFCD00112478
SMILES	CSC1=C(C#N)C(=C(S1)C(O)=O)C1=CC=C(Cl)C=C1
Synonym	3-4-chlorophenyl-4-cyano-5-methylthio thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 3-4-chlorophenyl-4-cyano-5-methylthio,3-4-chlorophenyl-4-cyano-5-methylsulfanyl thiophene-2-carboxylic acid,maybridge1_004446,acmc-1bss2,3-4-chlorophenyl-4-cyano-5-methylthio-2-thiophenecarboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylic acid,3-4-chlorophenyl-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid
InChI Key	CCQQTQYIJRVXIU-UHFFFAOYSA-N
Molecular Formula	C13H8ClNO2S2

5-Pyrid-3-ylthiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 278803-20-6 Molecular Formula: C10H7NO2S Molecular Weight (g/mol): 205.231 MDL Number: MFCD06496471 InChI Key: HENDYXUZFUWIMG-UHFFFAOYSA-N Synonym: 5-pyrid-3-ylthiophene-2-carboxylic acid,5-pyridin-3-yl thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-3-pyridinyl,5-3-pyridyl thiophene-2-carboxylic acid,5-pyridin-3-yl-thiophene-2-carboxylic acid,5-3-pyridinyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-3-pyridinyl PubChem CID: 4739100 IUPAC Name: 5-pyridin-3-ylthiophene-2-carboxylic acid SMILES: C1=CC(=CN=C1)C2=CC=C(S2)C(=O)O

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Specifications

PubChem CID	4739100
CAS	278803-20-6
Molecular Weight (g/mol)	205.231
MDL Number	MFCD06496471
SMILES	C1=CC(=CN=C1)C2=CC=C(S2)C(=O)O
Synonym	5-pyrid-3-ylthiophene-2-carboxylic acid,5-pyridin-3-yl thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-3-pyridinyl,5-3-pyridyl thiophene-2-carboxylic acid,5-pyridin-3-yl-thiophene-2-carboxylic acid,5-3-pyridinyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-3-pyridinyl
IUPAC Name	5-pyridin-3-ylthiophene-2-carboxylic acid
InChI Key	HENDYXUZFUWIMG-UHFFFAOYSA-N
Molecular Formula	C10H7NO2S

Thieno[2,3-b]pyrazine-6-carboxylic acid, 90%, Thermo Scientific™

CAS: 59944-79-5 Molecular Formula: C7H4N2O2S Molecular Weight (g/mol): 180.181 InChI Key: MEHCDDSVVYRWJT-UHFFFAOYSA-N Synonym: thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid PubChem CID: 7164578 IUPAC Name: thieno[2,3-b]pyrazine-6-carboxylic acid SMILES: C1=CN=C2C(=N1)C=C(S2)C(=O)O

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Specifications

PubChem CID	7164578
CAS	59944-79-5
Molecular Weight (g/mol)	180.181
SMILES	C1=CN=C2C(=N1)C=C(S2)C(=O)O
Synonym	thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid
IUPAC Name	thieno[2,3-b]pyrazine-6-carboxylic acid
InChI Key	MEHCDDSVVYRWJT-UHFFFAOYSA-N
Molecular Formula	C7H4N2O2S

2-Bromobenzo[b]thiophene, ≥97%, Thermo Scientific™

CAS: 5394-13-8 Molecular Formula: C8H5BrS Molecular Weight (g/mol): 213.092 MDL Number: MFCD08435846 InChI Key: WIFMYMXKTAVDSQ-UHFFFAOYSA-N Synonym: 2-bromobenzo b thiophene,benzo b thiophene, 2-bromo,2-bromobenzothiophene,bromobenzothiophene,2-bromobenzthiophene,bromobenzo b thiophene,2-bromo-benzo b thiophene,2-bromobenzo b-thiophene PubChem CID: 94786 IUPAC Name: 2-bromo-1-benzothiophene SMILES: C1=CC=C2C(=C1)C=C(S2)Br

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Specifications

PubChem CID	94786
CAS	5394-13-8
Molecular Weight (g/mol)	213.092
MDL Number	MFCD08435846
SMILES	C1=CC=C2C(=C1)C=C(S2)Br
Synonym	2-bromobenzo b thiophene,benzo b thiophene, 2-bromo,2-bromobenzothiophene,bromobenzothiophene,2-bromobenzthiophene,bromobenzo b thiophene,2-bromo-benzo b thiophene,2-bromobenzo b-thiophene
IUPAC Name	2-bromo-1-benzothiophene
InChI Key	WIFMYMXKTAVDSQ-UHFFFAOYSA-N
Molecular Formula	C8H5BrS

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

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Specifications

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

3-(5-bromo-2-thienyl)pyridine, 97%, Thermo Scientific™

CAS: 169050-05-9 Molecular Formula: C9H6BrNS Molecular Weight (g/mol): 240.12 MDL Number: MFCD04971290 InChI Key: GJBHIXTYLYHAQD-UHFFFAOYSA-N Synonym: 3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene PubChem CID: 818817 IUPAC Name: 3-(5-bromothiophen-2-yl)pyridine SMILES: BrC1=CC=C(S1)C1=CN=CC=C1

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Specifications

PubChem CID	818817
CAS	169050-05-9
Molecular Weight (g/mol)	240.12
MDL Number	MFCD04971290
SMILES	BrC1=CC=C(S1)C1=CN=CC=C1
Synonym	3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene
IUPAC Name	3-(5-bromothiophen-2-yl)pyridine
InChI Key	GJBHIXTYLYHAQD-UHFFFAOYSA-N
Molecular Formula	C9H6BrNS

Methyle5-(chlorosulfonyl)-4-methyl-2-thiophenecarboxylate, 97%, Thermo Scientific™

CAS: 423768-46-1 Molecular Formula: C7H7ClO4S2 Molecular Weight (g/mol): 254.699 MDL Number: MFCD03407367 InChI Key: YWBXGHFHMHUSKH-UHFFFAOYSA-N Synonym: methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate,methyl 5-chlorosulfonyl-4-methyl-2-thiophenecarboxylate,2-thiophenecarboxylicacid, 5-chlorosulfonyl-4-methyl-, methyl ester PubChem CID: 2779815 IUPAC Name: methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate SMILES: CC1=C(SC(=C1)C(=O)OC)S(=O)(=O)Cl

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Specifications

PubChem CID	2779815
CAS	423768-46-1
Molecular Weight (g/mol)	254.699
MDL Number	MFCD03407367
SMILES	CC1=C(SC(=C1)C(=O)OC)S(=O)(=O)Cl
Synonym	methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate,methyl 5-chlorosulfonyl-4-methyl-2-thiophenecarboxylate,2-thiophenecarboxylicacid, 5-chlorosulfonyl-4-methyl-, methyl ester
IUPAC Name	methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate
InChI Key	YWBXGHFHMHUSKH-UHFFFAOYSA-N
Molecular Formula	C7H7ClO4S2

5-Methyl-1-benzothiophene-2-carbaldehyde, 97%, Thermo Scientific™

CAS: 27035-41-2 Molecular Formula: C10H8OS Molecular Weight (g/mol): 176.233 MDL Number: MFCD05865141 InChI Key: SIHFZJLPKQUYAH-UHFFFAOYSA-N Synonym: 5-methylbenzo b thiophene-2-carbaldehyde,5-methyl-benzo b thiophene-2-carbaldehyde,benzo b thiophene-2-carboxaldehyde,5-methyl,5-methylbenzothiophene-2-carboxaldehyde,5-methylbenzo b thiophene-2-carboxaldehyde,5-methyl-1-benzothiophene-2-carboxaldehyde,5-methyl-1-benzo b thiophene-2-carbaldehyde PubChem CID: 2794770 IUPAC Name: 5-methyl-1-benzothiophene-2-carbaldehyde SMILES: CC1=CC2=C(C=C1)SC(=C2)C=O

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Specifications

PubChem CID	2794770
CAS	27035-41-2
Molecular Weight (g/mol)	176.233
MDL Number	MFCD05865141
SMILES	CC1=CC2=C(C=C1)SC(=C2)C=O
Synonym	5-methylbenzo b thiophene-2-carbaldehyde,5-methyl-benzo b thiophene-2-carbaldehyde,benzo b thiophene-2-carboxaldehyde,5-methyl,5-methylbenzothiophene-2-carboxaldehyde,5-methylbenzo b thiophene-2-carboxaldehyde,5-methyl-1-benzothiophene-2-carboxaldehyde,5-methyl-1-benzo b thiophene-2-carbaldehyde
IUPAC Name	5-methyl-1-benzothiophene-2-carbaldehyde
InChI Key	SIHFZJLPKQUYAH-UHFFFAOYSA-N
Molecular Formula	C10H8OS

1-Benzothiophen-2-ylmethylamine, 95%, Thermo Scientific™

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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

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Specifications

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

5-(2-Furyl)thiophene-2-carbaldehyde, ≥97%, Thermo Scientific™

CAS: 868755-64-0 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.205 MDL Number: MFCD06410178 InChI Key: IXUVFAGSDDBEKJ-UHFFFAOYSA-N Synonym: 5-2-furyl thiophene-2-carbaldehyde,5-furan-2-yl thiophene-2-carbaldehyde,5-fur-2-yl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-furanyl,5-furan-2-yl thiophene-2-carboxaldehyde,5-2-furanyl-2-thiophenecarboxaldehyde PubChem CID: 23004862 IUPAC Name: 5-(furan-2-yl)thiophene-2-carbaldehyde SMILES: C1=COC(=C1)C2=CC=C(S2)C=O

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Specifications

PubChem CID	23004862
CAS	868755-64-0
Molecular Weight (g/mol)	178.205
MDL Number	MFCD06410178
SMILES	C1=COC(=C1)C2=CC=C(S2)C=O
Synonym	5-2-furyl thiophene-2-carbaldehyde,5-furan-2-yl thiophene-2-carbaldehyde,5-fur-2-yl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-furanyl,5-furan-2-yl thiophene-2-carboxaldehyde,5-2-furanyl-2-thiophenecarboxaldehyde
IUPAC Name	5-(furan-2-yl)thiophene-2-carbaldehyde
InChI Key	IXUVFAGSDDBEKJ-UHFFFAOYSA-N
Molecular Formula	C9H6O2S

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

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Specifications

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

Thiophenes

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Methyle5-(chlorosulfonyl)-4-methyl-2-thiophenecarboxylate, 97%, Thermo Scientific™ Greener Choice ProductThis product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More About the Greener Choice Program

Methyle5-(chlorosulfonyl)-4-methyl-2-thiophenecarboxylate, 97%, Thermo Scientific™