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-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

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

5-Methylthiophene-2-sulfonyl chloride, 97%, Thermo Scientific™

CAS: 55854-45-0 Molecular Formula: C5H5ClO2S2 Molecular Weight (g/mol): 196.66 MDL Number: MFCD05864499 InChI Key: QGGRRHYGHGJEKP-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 5-methyl,5-methylthiophene-2-sulfonylchloride,5-methylthiophene-2-sulphonyl chloride,5-methyl-2-thienylsulfonyl chloride,chloro 5-methyl 2-thienyl sulfone,acmc-209lpu,5-methylthiophenesulphonyl chloride,5-methyl-thiophenesulfonyl chloride,2-chlorosulphonyl-5-methylthiophene PubChem CID: 12400112 IUPAC Name: 5-methylthiophene-2-sulfonyl chloride SMILES: CC1=CC=C(S1)S(Cl)(=O)=O

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Specifications

PubChem CID	12400112
CAS	55854-45-0
Molecular Weight (g/mol)	196.66
MDL Number	MFCD05864499
SMILES	CC1=CC=C(S1)S(Cl)(=O)=O
Synonym	5-methyl-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 5-methyl,5-methylthiophene-2-sulfonylchloride,5-methylthiophene-2-sulphonyl chloride,5-methyl-2-thienylsulfonyl chloride,chloro 5-methyl 2-thienyl sulfone,acmc-209lpu,5-methylthiophenesulphonyl chloride,5-methyl-thiophenesulfonyl chloride,2-chlorosulphonyl-5-methylthiophene
IUPAC Name	5-methylthiophene-2-sulfonyl chloride
InChI Key	QGGRRHYGHGJEKP-UHFFFAOYSA-N
Molecular Formula	C5H5ClO2S2

Methyl 3-amino-4-cyano-5-(methylthio)thiophene-2-carboxylate, 97%, Thermo Scientific Chemicals

CAS: 129332-45-2 Molecular Formula: C8H8N2O2S2 Molecular Weight (g/mol): 228.284 MDL Number: MFCD00052752 InChI Key: VBXBCNWDAJLZOC-UHFFFAOYSA-N Synonym: methyl 3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,methyl 3-amino-4-cyano-5-methylsulfanyl thiophene-2-carboxylate,methyl3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,2-thiophenecarboxylicacid, 3-amino-4-cyano-5-methylthio-, methyl ester,3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 3-azanyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylate,3-amino-4-cyano-5-methylthio-2-thiophenecarboxylic acid methyl ester,maybridge1_009000,acmc-1c12n,methyl 3-amino-4-cyano-5-methylthiothiophene-2-carboxylate PubChem CID: 2778604 IUPAC Name: methyl 3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylate SMILES: COC(=O)C1=C(C(=C(S1)SC)C#N)N

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Specifications

PubChem CID	2778604
CAS	129332-45-2
Molecular Weight (g/mol)	228.284
MDL Number	MFCD00052752
SMILES	COC(=O)C1=C(C(=C(S1)SC)C#N)N
Synonym	methyl 3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,methyl 3-amino-4-cyano-5-methylsulfanyl thiophene-2-carboxylate,methyl3-amino-4-cyano-5-methylthio thiophene-2-carboxylate,2-thiophenecarboxylicacid, 3-amino-4-cyano-5-methylthio-, methyl ester,3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 3-azanyl-4-cyano-5-methylsulfanyl-thiophene-2-carboxylate,3-amino-4-cyano-5-methylthio-2-thiophenecarboxylic acid methyl ester,maybridge1_009000,acmc-1c12n,methyl 3-amino-4-cyano-5-methylthiothiophene-2-carboxylate
IUPAC Name	methyl 3-amino-4-cyano-5-methylsulfanylthiophene-2-carboxylate
InChI Key	VBXBCNWDAJLZOC-UHFFFAOYSA-N
Molecular Formula	C8H8N2O2S2

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

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

Pricing and Availability
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

5-Pyridin-2-ylthiophene-2-carbaldehyde, Thermo Scientific™

CAS: 132706-12-8 Molecular Formula: C10H7NOS Molecular Weight (g/mol): 189.232 InChI Key: VAGVVFZWHTULBM-UHFFFAOYSA-N Synonym: 5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl PubChem CID: 605127 IUPAC Name: 5-pyridin-2-ylthiophene-2-carbaldehyde SMILES: C1=CC=NC(=C1)C2=CC=C(S2)C=O

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Specifications

PubChem CID	605127
CAS	132706-12-8
Molecular Weight (g/mol)	189.232
SMILES	C1=CC=NC(=C1)C2=CC=C(S2)C=O
Synonym	5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl
IUPAC Name	5-pyridin-2-ylthiophene-2-carbaldehyde
InChI Key	VAGVVFZWHTULBM-UHFFFAOYSA-N
Molecular Formula	C10H7NOS

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

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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

Pricing and Availability
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

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

5-Chlorothiophene-2-sulfonamide, 97%

CAS: 53595-66-7 Molecular Formula: C4H4ClNO2S2 Molecular Weight (g/mol): 197.65 MDL Number: MFCD00052584 InChI Key: RKLQLYBJAZBSEU-UHFFFAOYSA-N Synonym: 5-chloro-2-thiophenesulfonamide,2-thiophenesulfonamide, 5-chloro,2-chloro thiophene-5-sulfonamide,pubchem7381,5-chlorothiophenesulfonamide,4-18-00-06708 beilstein handbook reference,ksc490i0r,2-chloro-5-sulfamoylthiophene,5-chloro-2-thienylsulphonamide PubChem CID: 1241301 IUPAC Name: 5-chlorothiophene-2-sulfonamide SMILES: NS(=O)(=O)C1=CC=C(Cl)S1

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Specifications

PubChem CID	1241301
CAS	53595-66-7
Molecular Weight (g/mol)	197.65
MDL Number	MFCD00052584
SMILES	NS(=O)(=O)C1=CC=C(Cl)S1
Synonym	5-chloro-2-thiophenesulfonamide,2-thiophenesulfonamide, 5-chloro,2-chloro thiophene-5-sulfonamide,pubchem7381,5-chlorothiophenesulfonamide,4-18-00-06708 beilstein handbook reference,ksc490i0r,2-chloro-5-sulfamoylthiophene,5-chloro-2-thienylsulphonamide
IUPAC Name	5-chlorothiophene-2-sulfonamide
InChI Key	RKLQLYBJAZBSEU-UHFFFAOYSA-N
Molecular Formula	C4H4ClNO2S2

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

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

Pricing and Availability
Specifications

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

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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™