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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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-Bromo-5-chlorothiophene, 97%

CAS: 2873-18-9 Molecular Formula: C4H2BrClS Molecular Weight (g/mol): 197.47 MDL Number: MFCD00014523 InChI Key: ZFAJPWYXLYGUJU-UHFFFAOYSA-N Synonym: 2-chloro-5-bromothiophene,5-bromo-2-chlorothiophene,2-chloro-5-bromo thiophene,thiophene, 2-bromo-5-chloro,2-brom-5-chlorthiophen,pubchem5279,acmc-1cs3j,2-bromo-5-chloro-thiophene,5-bromo-2-chloro-thiophene,ksc207m3t PubChem CID: 76133 IUPAC Name: 2-bromo-5-chlorothiophene SMILES: ClC1=CC=C(Br)S1

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PubChem CID	76133
CAS	2873-18-9
Molecular Weight (g/mol)	197.47
MDL Number	MFCD00014523
SMILES	ClC1=CC=C(Br)S1
Synonym	2-chloro-5-bromothiophene,5-bromo-2-chlorothiophene,2-chloro-5-bromo thiophene,thiophene, 2-bromo-5-chloro,2-brom-5-chlorthiophen,pubchem5279,acmc-1cs3j,2-bromo-5-chloro-thiophene,5-bromo-2-chloro-thiophene,ksc207m3t
IUPAC Name	2-bromo-5-chlorothiophene
InChI Key	ZFAJPWYXLYGUJU-UHFFFAOYSA-N
Molecular Formula	C4H2BrClS

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Thiophene-2-carboxylic 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

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

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

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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

2-chloro-3-nitrothiophene, 97%, Thermo Scientific™

CAS: 5330-98-3 Molecular Formula: C4H2ClNO2S Molecular Weight (g/mol): 163.58 MDL Number: MFCD00052159 InChI Key: OFPRGOSJWUNETN-UHFFFAOYSA-N Synonym: thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466 PubChem CID: 220186 IUPAC Name: 2-chloro-3-nitrothiophene SMILES: [O-][N+](=O)C1=C(Cl)SC=C1

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PubChem CID	220186
CAS	5330-98-3
Molecular Weight (g/mol)	163.58
MDL Number	MFCD00052159
SMILES	[O-][N+](=O)C1=C(Cl)SC=C1
Synonym	thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466
IUPAC Name	2-chloro-3-nitrothiophene
InChI Key	OFPRGOSJWUNETN-UHFFFAOYSA-N
Molecular Formula	C4H2ClNO2S

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

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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

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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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

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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Specifications

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

5-Formyl-2-thiopheneboronic acid, 97%

CAS: 4347-33-5 Molecular Formula: C5H5BO3S Molecular Weight (g/mol): 155.96 MDL Number: MFCD02093666 InChI Key: DEQOVKFWRPOPQP-UHFFFAOYSA-N Synonym: 5-formyl-2-thiopheneboronic acid,5-formylthiophen-2-boronic acid,5-formylthiophen-2-yl boronic acid,5-formylthiophene-2-boronic acid,2-formylthiophene-5-boronic acid,5-formylthienyl-2-boronic acid,5-formyl-2-thienyl boronic acid,boronic acid, 5-formyl-2-thienyl,5-formyl-2-thiopheneboronicacid,pubchem1722 PubChem CID: 2773430 IUPAC Name: (5-formylthiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(S1)C=O

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Specifications

PubChem CID	2773430
CAS	4347-33-5
Molecular Weight (g/mol)	155.96
MDL Number	MFCD02093666
SMILES	OB(O)C1=CC=C(S1)C=O
Synonym	5-formyl-2-thiopheneboronic acid,5-formylthiophen-2-boronic acid,5-formylthiophen-2-yl boronic acid,5-formylthiophene-2-boronic acid,2-formylthiophene-5-boronic acid,5-formylthienyl-2-boronic acid,5-formyl-2-thienyl boronic acid,boronic acid, 5-formyl-2-thienyl,5-formyl-2-thiopheneboronicacid,pubchem1722
IUPAC Name	(5-formylthiophen-2-yl)boronic acid
InChI Key	DEQOVKFWRPOPQP-UHFFFAOYSA-N
Molecular Formula	C5H5BO3S

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

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Specifications

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

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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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

5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid, Technical Grade, Thermo Scientific™

CAS: 50451-84-8 Molecular Formula: C10H7ClO2S Molecular Weight (g/mol): 226.67 MDL Number: MFCD03407361 InChI Key: KEYCXZNZFABITO-UHFFFAOYSA-N Synonym: 5-chloro-3-methylbenzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzothiophene-2-carboxylic ac,5-chloro-3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzo b thiophene-2-carboxylic acid PubChem CID: 2794614 IUPAC Name: 5-chloro-3-methyl-1-benzothiophene-2-carboxylic acid SMILES: CC1=C(SC2=CC=C(Cl)C=C12)C(O)=O

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Specifications

PubChem CID	2794614
CAS	50451-84-8
Molecular Weight (g/mol)	226.67
MDL Number	MFCD03407361
SMILES	CC1=C(SC2=CC=C(Cl)C=C12)C(O)=O
Synonym	5-chloro-3-methylbenzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzothiophene-2-carboxylic ac,5-chloro-3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzo b thiophene-2-carboxylic acid
IUPAC Name	5-chloro-3-methyl-1-benzothiophene-2-carboxylic acid
InChI Key	KEYCXZNZFABITO-UHFFFAOYSA-N
Molecular Formula	C10H7ClO2S

7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid, 97%, Thermo Scientific™

CAS: 879896-63-6 Molecular Formula: C7H5BrO4S Molecular Weight (g/mol): 265.077 MDL Number: MFCD08690304 InChI Key: KIURUSHZGLZLSQ-UHFFFAOYSA-N Synonym: 7-bromo-2,3-dihydrothieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thiopheno 3,4-e 1,4-dioxane-5-carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylicacid, 7-bromo-2,3-dihydro PubChem CID: 18525889 IUPAC Name: 5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-7-carboxylic acid SMILES: C1COC2=C(SC(=C2O1)C(=O)O)Br

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Specifications

PubChem CID	18525889
CAS	879896-63-6
Molecular Weight (g/mol)	265.077
MDL Number	MFCD08690304
SMILES	C1COC2=C(SC(=C2O1)C(=O)O)Br
Synonym	7-bromo-2,3-dihydrothieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thiopheno 3,4-e 1,4-dioxane-5-carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylicacid, 7-bromo-2,3-dihydro
IUPAC Name	5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-7-carboxylic acid
InChI Key	KIURUSHZGLZLSQ-UHFFFAOYSA-N
Molecular Formula	C7H5BrO4S

Methyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate, 95%, Thermo Scientific™

CAS: 237385-98-7 Molecular Formula: C13H9F3O2S Molecular Weight (g/mol): 286.268 MDL Number: MFCD00110251 InChI Key: RDMSDMSSVFMCKQ-UHFFFAOYSA-N Synonym: methyl 4-phenyl-5-trifluoromethyl thiophene-2-carboxylate,methyl 4-phenyl-5-trifluoromethyl-thiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-phenyl-5-trifluoromethyl-, methyl ester,2-methoxycarbonyl-4-phenyl-5-trifluoromethyl thiophene,methyl 4-phenyl-5-trifluoromethyl-2-thiophenecarboxylate,methyl 4-phenyl-5-trifluoromethyl thiophene-2carboxylate,4-phenyl-5-trifluoromethyl-2-thiophenecarboxylic acid methyl ester,4-phenyl-5-trifluoromethyl-thiophene-2-carboxylic acid methyl ester PubChem CID: 2781442 IUPAC Name: methyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate SMILES: COC(=O)C1=CC(=C(S1)C(F)(F)F)C2=CC=CC=C2

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Specifications

PubChem CID	2781442
CAS	237385-98-7
Molecular Weight (g/mol)	286.268
MDL Number	MFCD00110251
SMILES	COC(=O)C1=CC(=C(S1)C(F)(F)F)C2=CC=CC=C2
Synonym	methyl 4-phenyl-5-trifluoromethyl thiophene-2-carboxylate,methyl 4-phenyl-5-trifluoromethyl-thiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-phenyl-5-trifluoromethyl-, methyl ester,2-methoxycarbonyl-4-phenyl-5-trifluoromethyl thiophene,methyl 4-phenyl-5-trifluoromethyl-2-thiophenecarboxylate,methyl 4-phenyl-5-trifluoromethyl thiophene-2carboxylate,4-phenyl-5-trifluoromethyl-2-thiophenecarboxylic acid methyl ester,4-phenyl-5-trifluoromethyl-thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 4-phenyl-5-(trifluoromethyl)thiophene-2-carboxylate
InChI Key	RDMSDMSSVFMCKQ-UHFFFAOYSA-N
Molecular Formula	C13H9F3O2S

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