Thiophenes

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

1 – 15 of 262 results

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-]

Pricing and Availability
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-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

Pricing and Availability
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

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

Pricing and Availability
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

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

Pricing and Availability
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

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

Pricing and Availability
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

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

Pricing and Availability
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

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

Pricing and Availability
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

5-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde, 90%, Thermo Scientific™

CAS: 17257-10-2 Molecular Formula: C13H8OS Molecular Weight (g/mol): 212.266 MDL Number: MFCD00126374 InChI Key: YFMUACLZRVJOBK-UHFFFAOYSA-N Synonym: 5-2-phenyleth-1-ynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carbaldehyde,5-2-phenylethynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-phenylethynyl,5-phenylethynyl-thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxylate PubChem CID: 2737140 IUPAC Name: 5-(2-phenylethynyl)thiophene-2-carbaldehyde SMILES: C1=CC=C(C=C1)C#CC2=CC=C(S2)C=O

Pricing and Availability
Specifications

PubChem CID	2737140
CAS	17257-10-2
Molecular Weight (g/mol)	212.266
MDL Number	MFCD00126374
SMILES	C1=CC=C(C=C1)C#CC2=CC=C(S2)C=O
Synonym	5-2-phenyleth-1-ynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carbaldehyde,5-2-phenylethynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-phenylethynyl,5-phenylethynyl-thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxylate
IUPAC Name	5-(2-phenylethynyl)thiophene-2-carbaldehyde
InChI Key	YFMUACLZRVJOBK-UHFFFAOYSA-N
Molecular Formula	C13H8OS

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

Pricing and Availability
Specifications

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-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

Pricing and Availability
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

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

Pricing and Availability
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

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

Pricing and Availability
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

Methyle3-amino-4-(isopropylsulfonyl)thiophene-2-carboxylate, 97%, Thermo Scientific™

CAS: 175201-72-6 Molecular Formula: C9H13NO4S2 Molecular Weight (g/mol): 263.33 MDL Number: MFCD00067930 InChI Key: LSLWECVRXQXIRH-UHFFFAOYSA-N Synonym: methyl 3-amino-4-isopropylsulfonyl thiophene-2-carboxylate,methyl 3-amino-4-propane-2-sulfonyl thiophene-2-carboxylate,2-thiophenecarboxylicacid, 3-amino-4-1-methylethyl sulfonyl-, methyl ester,methyl 3-amino-4-methylethyl sulfonyl thiophene-2-carboxylate,maybridge1_004550,methyl 3-amino-4-isopropylsulfonyl thiophene-2carboxylate,methyl 3-azanyl-4-propan-2-ylsulfonyl-thiophene-2-carboxylate,3-amino-4-propane-2-sulfonyl-thiophene-2-carboxylic acid methyl ester,3-amino-4-propan-2-ylsulfonyl-2-thiophenecarboxylic acid methyl ester PubChem CID: 2778568 IUPAC Name: methyl 3-amino-4-propan-2-ylsulfonylthiophene-2-carboxylate SMILES: COC(=O)C1=C(N)C(=CS1)S(=O)(=O)C(C)C

Pricing and Availability
Specifications

PubChem CID	2778568
CAS	175201-72-6
Molecular Weight (g/mol)	263.33
MDL Number	MFCD00067930
SMILES	COC(=O)C1=C(N)C(=CS1)S(=O)(=O)C(C)C
Synonym	methyl 3-amino-4-isopropylsulfonyl thiophene-2-carboxylate,methyl 3-amino-4-propane-2-sulfonyl thiophene-2-carboxylate,2-thiophenecarboxylicacid, 3-amino-4-1-methylethyl sulfonyl-, methyl ester,methyl 3-amino-4-methylethyl sulfonyl thiophene-2-carboxylate,maybridge1_004550,methyl 3-amino-4-isopropylsulfonyl thiophene-2carboxylate,methyl 3-azanyl-4-propan-2-ylsulfonyl-thiophene-2-carboxylate,3-amino-4-propane-2-sulfonyl-thiophene-2-carboxylic acid methyl ester,3-amino-4-propan-2-ylsulfonyl-2-thiophenecarboxylic acid methyl ester
IUPAC Name	methyl 3-amino-4-propan-2-ylsulfonylthiophene-2-carboxylate
InChI Key	LSLWECVRXQXIRH-UHFFFAOYSA-N
Molecular Formula	C9H13NO4S2

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

Pricing and Availability
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

D-Gulonic acid-1,4-lactone, 98%

CAS: 6322-07-2 MDL Number: MFCD00005391

Pricing and Availability
Specifications

CAS	6322-07-2
MDL Number	MFCD00005391

Thiophenes

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