Thiophenes

Organic heterocyclic compounds that consist of a five-membered ring with four carbon atoms, and one sulfur atom.

1 – 15 of 264 results

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Thermo Scientific Acros 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

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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

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Thermo Scientific Acros 3-Thiophenecarboxylic acid, 99%

CAS: 88-13-1 Molecular Formula: C₅H₄O₂S Molecular Weight (g/mol): 128.15 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)	128.15
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

Thermo Scientific Alfa Aesar 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

Thermo Scientific Maybridge ethyle5-(5-bromo-2-thienyl)-3-isoxazolecarboxylate, 97%, Thermo Scientific™

CAS: 423768-50-7 Molecular Formula: C10H8BrNO3S Molecular Weight (g/mol): 302.142 MDL Number: MFCD03407336 InChI Key: OIZZMDOBYXRSNQ-UHFFFAOYSA-N Synonym: ethyl 5-5-bromo-2-thienyl-3-isoxazolecarboxylate,ethyl 5-5-bromothiophen-2-yl-1,2-oxazole-3-carboxylate,ethyl 5-5-bromothiophen-2-yl isoxazole-3-carboxylate PubChem CID: 2776548 IUPAC Name: ethyl 5-(5-bromothiophen-2-yl)-1,2-oxazole-3-carboxylate SMILES: CCOC(=O)C1=NOC(=C1)C2=CC=C(S2)Br

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Specifications

PubChem CID	2776548
CAS	423768-50-7
Molecular Weight (g/mol)	302.142
MDL Number	MFCD03407336
SMILES	CCOC(=O)C1=NOC(=C1)C2=CC=C(S2)Br
Synonym	ethyl 5-5-bromo-2-thienyl-3-isoxazolecarboxylate,ethyl 5-5-bromothiophen-2-yl-1,2-oxazole-3-carboxylate,ethyl 5-5-bromothiophen-2-yl isoxazole-3-carboxylate
IUPAC Name	ethyl 5-(5-bromothiophen-2-yl)-1,2-oxazole-3-carboxylate
InChI Key	OIZZMDOBYXRSNQ-UHFFFAOYSA-N
Molecular Formula	C10H8BrNO3S

Thermo Scientific Alfa Aesar 3-Methylbenzo[b]thiophene-2-carboxylic acid, 97%

CAS: 3133-78-6 Molecular Formula: C10H8O2S Molecular Weight (g/mol): 192.232 MDL Number: MFCD01830305 InChI Key: YVKLUKXESFJRCE-UHFFFAOYSA-N Synonym: 3-methylbenzo b thiophene-2-carboxylic acid,3-methylbenzothiophene-2-carboxylic acid,acmc-20a6oy,methylbenzothiophene-carboxylic,3-methylthianaphthene-2-carboxylic acid,3-methyl 2-benzo b thiophenecarboxylic acid,benzo b thiophene-2-carboxylicacid, 3-methyl PubChem CID: 821868 IUPAC Name: 3-methyl-1-benzothiophene-2-carboxylic acid SMILES: CC1=C(SC2=CC=CC=C12)C(=O)O

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Specifications

PubChem CID	821868
CAS	3133-78-6
Molecular Weight (g/mol)	192.232
MDL Number	MFCD01830305
SMILES	CC1=C(SC2=CC=CC=C12)C(=O)O
Synonym	3-methylbenzo b thiophene-2-carboxylic acid,3-methylbenzothiophene-2-carboxylic acid,acmc-20a6oy,methylbenzothiophene-carboxylic,3-methylthianaphthene-2-carboxylic acid,3-methyl 2-benzo b thiophenecarboxylic acid,benzo b thiophene-2-carboxylicacid, 3-methyl
IUPAC Name	3-methyl-1-benzothiophene-2-carboxylic acid
InChI Key	YVKLUKXESFJRCE-UHFFFAOYSA-N
Molecular Formula	C10H8O2S

Thermo Scientific Acros Methyl 3-amino-2-thiophenecarboxylate, 99%

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

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Specifications

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

Thermo Scientific Alfa Aesar 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

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Specifications

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

Thermo Scientific Alfa Aesar 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

Thermo Scientific Acros 2,5-Dibromo-3,4-dinitrothiophene, Thermo Scientific Chemicals

CAS: 52431-30-8 Molecular Formula: C4Br2N2O4S Molecular Weight (g/mol): 331.92 MDL Number: MFCD00015537 InChI Key: AHGHPBPARMANQD-UHFFFAOYSA-N Synonym: 2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc PubChem CID: 257024 IUPAC Name: 2,5-dibromo-3,4-dinitrothiophene SMILES: [O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O

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Specifications

PubChem CID	257024
CAS	52431-30-8
Molecular Weight (g/mol)	331.92
MDL Number	MFCD00015537
SMILES	[O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O
Synonym	2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc
IUPAC Name	2,5-dibromo-3,4-dinitrothiophene
InChI Key	AHGHPBPARMANQD-UHFFFAOYSA-N
Molecular Formula	C4Br2N2O4S

Thermo Scientific Alfa Aesar 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

Thermo Scientific Alfa Aesar 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

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Specifications

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

Thermo Scientific Maybridge (5-pyrid-4-ylthien-2-yl)methanol, 95%, Thermo Scientific™

CAS: 138194-04-4 Molecular Formula: C10H9NOS Molecular Weight (g/mol): 191.248 MDL Number: MFCD09879963 InChI Key: GDGUQNXUEMPEKM-UHFFFAOYSA-N Synonym: 5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol PubChem CID: 15708918 IUPAC Name: (5-pyridin-4-ylthiophen-2-yl)methanol SMILES: C1=CN=CC=C1C2=CC=C(S2)CO

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Specifications

PubChem CID	15708918
CAS	138194-04-4
Molecular Weight (g/mol)	191.248
MDL Number	MFCD09879963
SMILES	C1=CN=CC=C1C2=CC=C(S2)CO
Synonym	5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol
IUPAC Name	(5-pyridin-4-ylthiophen-2-yl)methanol
InChI Key	GDGUQNXUEMPEKM-UHFFFAOYSA-N
Molecular Formula	C10H9NOS

Thermo Scientific Maybridge 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

Thermo Scientific Maybridge 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

Thermo Scientific Maybridge 5-(Methylsulfonyl)thiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 60166-86-1 Molecular Formula: C6H6O4S2 Molecular Weight (g/mol): 206.23 MDL Number: MFCD00173745 InChI Key: SLWRTVINHWIGTK-UHFFFAOYSA-N Synonym: 5-methylsulfonyl thiophene-2-carboxylic acid,5-methanesulfonylthiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-methylsulfonyl,maybridge1_007675,5-methanesulfonyl-2-thiphenecarboxylic acid,5-methylsulfonyl-2-thiophenecarboxylic acid,2-thiophenecarboxylicacid,5-methylsulfonyl,5-methanesulfonyl thiophene-2-carboxylic acid PubChem CID: 2740497 IUPAC Name: 5-methylsulfonylthiophene-2-carboxylic acid SMILES: CS(=O)(=O)C1=CC=C(S1)C(O)=O

Pricing and Availability
Specifications

PubChem CID	2740497
CAS	60166-86-1
Molecular Weight (g/mol)	206.23
MDL Number	MFCD00173745
SMILES	CS(=O)(=O)C1=CC=C(S1)C(O)=O
Synonym	5-methylsulfonyl thiophene-2-carboxylic acid,5-methanesulfonylthiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-methylsulfonyl,maybridge1_007675,5-methanesulfonyl-2-thiphenecarboxylic acid,5-methylsulfonyl-2-thiophenecarboxylic acid,2-thiophenecarboxylicacid,5-methylsulfonyl,5-methanesulfonyl thiophene-2-carboxylic acid
IUPAC Name	5-methylsulfonylthiophene-2-carboxylic acid
InChI Key	SLWRTVINHWIGTK-UHFFFAOYSA-N
Molecular Formula	C6H6O4S2

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