Thiophenes

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

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121 – 135 of 4,393 results

121

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2,5-Dibromothiophene, 95%

CAS: 3141-27-3 Molecular Formula: C4H2Br2S Molecular Weight (g/mol): 241.93 MDL Number: MFCD00005420 InChI Key: KBVDUUXRXJTAJC-UHFFFAOYSA-N Synonym: thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086 PubChem CID: 18453 IUPAC Name: 2,5-dibromothiophene SMILES: BrC1=CC=C(Br)S1

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PubChem CID	18453
CAS	3141-27-3
Molecular Weight (g/mol)	241.93
MDL Number	MFCD00005420
SMILES	BrC1=CC=C(Br)S1
Synonym	thiophene, 2,5-dibromo,2,5-dibromo-thiophene,unii-f0033k8cxm,pubchem5512,thiophene,5-dibromo,acmc-1ckmh,2,5-bis bromanyl thiophene,ksc224g0j,2,5-dibromothiophene,bidd:gt0086
IUPAC Name	2,5-dibromothiophene
InChI Key	KBVDUUXRXJTAJC-UHFFFAOYSA-N
Molecular Formula	C4H2Br2S

122

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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

123

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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

124

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5-Bromothiophene-2-sulfonyl chloride, 96%

CAS: 55854-46-1 Molecular Formula: C4H2BrClO2S2 Molecular Weight (g/mol): 261.53 MDL Number: MFCD00084909 InChI Key: WGYBIEOLAFYDEC-UHFFFAOYSA-N Synonym: 5-bromothiophenesulfonyl chloride,5-bromo-2-thiophenesulfonyl chloride,5-bromo-thiophene-2-sulfonyl chloride,5-bromothiophene-2-sulphonyl chloride,5-bromo-2-chlorosulphonyl thiophene,5-bromo-2-chlorosulfonyl thiophene,5-bromothiophenesulphonyl chloride,buttpark 21\07-09,5-bromo 2-thienyl chlorosulfone,5-bromothiophen-2-sulfonyl chloride PubChem CID: 2733924 IUPAC Name: 5-bromothiophene-2-sulfonyl chloride SMILES: ClS(=O)(=O)C1=CC=C(Br)S1

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PubChem CID	2733924
CAS	55854-46-1
Molecular Weight (g/mol)	261.53
MDL Number	MFCD00084909
SMILES	ClS(=O)(=O)C1=CC=C(Br)S1
Synonym	5-bromothiophenesulfonyl chloride,5-bromo-2-thiophenesulfonyl chloride,5-bromo-thiophene-2-sulfonyl chloride,5-bromothiophene-2-sulphonyl chloride,5-bromo-2-chlorosulphonyl thiophene,5-bromo-2-chlorosulfonyl thiophene,5-bromothiophenesulphonyl chloride,buttpark 21\07-09,5-bromo 2-thienyl chlorosulfone,5-bromothiophen-2-sulfonyl chloride
IUPAC Name	5-bromothiophene-2-sulfonyl chloride
InChI Key	WGYBIEOLAFYDEC-UHFFFAOYSA-N
Molecular Formula	C4H2BrClO2S2

125

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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

126

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2-Thiophenecarboxamide, 99%, Thermo Scientific™

CAS: 5813-89-8 Molecular Formula: C₅H₅NOS Molecular Weight (g/mol): 127.17 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)	127.17
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

127

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3-Ethoxythiophene-2-carboxylic acid, 97%

CAS: 139926-23-1 Molecular Formula: C7H8O3S Molecular Weight (g/mol): 172.198 MDL Number: MFCD00205205 InChI Key: FTKDCOINUAYGTC-UHFFFAOYSA-N PubChem CID: 2777652 IUPAC Name: 3-ethoxythiophene-2-carboxylic acid SMILES: CCOC1=C(SC=C1)C(=O)O

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PubChem CID	2777652
CAS	139926-23-1
Molecular Weight (g/mol)	172.198
MDL Number	MFCD00205205
SMILES	CCOC1=C(SC=C1)C(=O)O
IUPAC Name	3-ethoxythiophene-2-carboxylic acid
InChI Key	FTKDCOINUAYGTC-UHFFFAOYSA-N
Molecular Formula	C7H8O3S

128

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5-Chlorothiophene-2-boronic acid, 97+%

CAS: 162607-18-3 Molecular Formula: C4H4BClO2S Molecular Weight (g/mol): 162.39 MDL Number: MFCD00236030 InChI Key: JFCLNCVCDFUJPO-UHFFFAOYSA-N Synonym: 5-chlorothiophene-2-boronic acid,5-chloro-2-thienylboronic acid,5-chlorothiophen-2-yl boronic acid,5-chloro-2-thiopheneboronic acid,5-chlorothiophen-2-boronic acid,5-chlorothiophen-2-yl boranediol,5-chlorothiphene 2-boronic acid,5-chloro-2-thienyl boronic acid,boronic acid, 5-chloro-2-thienyl,5-chlorothiophene-2-boronicacid PubChem CID: 2734324 IUPAC Name: (5-chlorothiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(Cl)S1

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PubChem CID	2734324
CAS	162607-18-3
Molecular Weight (g/mol)	162.39
MDL Number	MFCD00236030
SMILES	OB(O)C1=CC=C(Cl)S1
Synonym	5-chlorothiophene-2-boronic acid,5-chloro-2-thienylboronic acid,5-chlorothiophen-2-yl boronic acid,5-chloro-2-thiopheneboronic acid,5-chlorothiophen-2-boronic acid,5-chlorothiophen-2-yl boranediol,5-chlorothiphene 2-boronic acid,5-chloro-2-thienyl boronic acid,boronic acid, 5-chloro-2-thienyl,5-chlorothiophene-2-boronicacid
IUPAC Name	(5-chlorothiophen-2-yl)boronic acid
InChI Key	JFCLNCVCDFUJPO-UHFFFAOYSA-N
Molecular Formula	C4H4BClO2S

129

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Ethyl 2-amino-5-phenylthiophene-3-carboxylate, 97%

CAS: 4815-34-3 Molecular Formula: C13H13NO2S Molecular Weight (g/mol): 247.312 MDL Number: MFCD01829801 InChI Key: WIVNPGXPJBBZQH-UHFFFAOYSA-N Synonym: ethyl 2-amino-5-phenyl-3-thiophenecarboxylate,2-amino-5-phenyl-thiophene-3-carboxylic acid ethyl ester,2-amino-5-phenylthiophene-3-carboxylic acid ethyl ester,ethyl2-amino-5-phenylthiophene-3-carboxylate,2-amino-5-phenyl-3-thiophenecarboxylic acid ethyl ester,enamine_004942,2-amino-3-ethoxycarbonyl-5-phenylthiophene,ethyl 2-azanyl-5-phenyl-thiophene-3-carboxylate,2-amino-5-phenyl thiophene-3-carboxylic ethyl ester,2-amino-5-phenyl-3-thiophenecarboxylic acid, ethyl ester PubChem CID: 638860 IUPAC Name: ethyl 2-amino-5-phenylthiophene-3-carboxylate SMILES: CCOC(=O)C1=C(SC(=C1)C2=CC=CC=C2)N

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PubChem CID	638860
CAS	4815-34-3
Molecular Weight (g/mol)	247.312
MDL Number	MFCD01829801
SMILES	CCOC(=O)C1=C(SC(=C1)C2=CC=CC=C2)N
Synonym	ethyl 2-amino-5-phenyl-3-thiophenecarboxylate,2-amino-5-phenyl-thiophene-3-carboxylic acid ethyl ester,2-amino-5-phenylthiophene-3-carboxylic acid ethyl ester,ethyl2-amino-5-phenylthiophene-3-carboxylate,2-amino-5-phenyl-3-thiophenecarboxylic acid ethyl ester,enamine_004942,2-amino-3-ethoxycarbonyl-5-phenylthiophene,ethyl 2-azanyl-5-phenyl-thiophene-3-carboxylate,2-amino-5-phenyl thiophene-3-carboxylic ethyl ester,2-amino-5-phenyl-3-thiophenecarboxylic acid, ethyl ester
IUPAC Name	ethyl 2-amino-5-phenylthiophene-3-carboxylate
InChI Key	WIVNPGXPJBBZQH-UHFFFAOYSA-N
Molecular Formula	C13H13NO2S

130

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5-Bromothiophene-2-carboxylic acid, 98%

CAS: 7311-63-9 Molecular Formula: C5H2BrO2S Molecular Weight (g/mol): 206.03 MDL Number: MFCD00079725 InChI Key: COWZPSUDTMGBAT-UHFFFAOYSA-M Synonym: 5-bromo-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-bromo,2-bromo-5-carboxythiophene,2-bromothiophene-5-carboxylic acid,5-bromo-thiophene-2-carboxylic acid,5-bromothiophene-2-carboxylicacid,zlchem 973,pubchem7368,acmc-209opm,maybridge1_002056 PubChem CID: 349115 IUPAC Name: 5-bromothiophene-2-carboxylic acid SMILES: [O-]C(=O)C1=CC=C(Br)S1

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PubChem CID	349115
CAS	7311-63-9
Molecular Weight (g/mol)	206.03
MDL Number	MFCD00079725
SMILES	[O-]C(=O)C1=CC=C(Br)S1
Synonym	5-bromo-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-bromo,2-bromo-5-carboxythiophene,2-bromothiophene-5-carboxylic acid,5-bromo-thiophene-2-carboxylic acid,5-bromothiophene-2-carboxylicacid,zlchem 973,pubchem7368,acmc-209opm,maybridge1_002056
IUPAC Name	5-bromothiophene-2-carboxylic acid
InChI Key	COWZPSUDTMGBAT-UHFFFAOYSA-M
Molecular Formula	C5H2BrO2S

131

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5-Bromo-2-thiophenecarboxaldehyde, 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

132

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5-Chlorothiophene-2-carboxaldehyde, 97%

CAS: 7283-96-7 Molecular Formula: C5H3ClOS Molecular Weight (g/mol): 146.59 MDL Number: MFCD00047090 InChI Key: VWYFITBWBRVBSW-UHFFFAOYSA-N Synonym: 5-chloro-2-thiophenecarboxaldehyde,2-chloro-5-thiophenecarboxaldehyde,5-chlorothiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 5-chloro,5-chloro-2-formylthiophene,2-chloro-5-formylthiophene,5-chlorothiophene-2-aldehyde,5-chloro-2-thiophenecarbaldehyde,5-chloro-2-thiophene-carboxaldehyde,pubchem7742 PubChem CID: 81700 IUPAC Name: 5-chlorothiophene-2-carbaldehyde SMILES: ClC1=CC=C(S1)C=O

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PubChem CID	81700
CAS	7283-96-7
Molecular Weight (g/mol)	146.59
MDL Number	MFCD00047090
SMILES	ClC1=CC=C(S1)C=O
Synonym	5-chloro-2-thiophenecarboxaldehyde,2-chloro-5-thiophenecarboxaldehyde,5-chlorothiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 5-chloro,5-chloro-2-formylthiophene,2-chloro-5-formylthiophene,5-chlorothiophene-2-aldehyde,5-chloro-2-thiophenecarbaldehyde,5-chloro-2-thiophene-carboxaldehyde,pubchem7742
IUPAC Name	5-chlorothiophene-2-carbaldehyde
InChI Key	VWYFITBWBRVBSW-UHFFFAOYSA-N
Molecular Formula	C5H3ClOS

133

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2-Chloro-5-methylthiophene, 97%

CAS: 17249-82-0 Molecular Formula: C5H5ClS Molecular Weight (g/mol): 132.605 MDL Number: MFCD01632145 InChI Key: JSMMZMYGEVUURX-UHFFFAOYSA-N Synonym: thiophene, 2-chloro-5-methyl,pubchem5197,acmc-209e4p,2-chloro-5-methyl-thiophene,ksc497i0h,2-chloranyl-5-methyl-thiophene PubChem CID: 140208 IUPAC Name: 2-chloro-5-methylthiophene SMILES: CC1=CC=C(S1)Cl

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PubChem CID	140208
CAS	17249-82-0
Molecular Weight (g/mol)	132.605
MDL Number	MFCD01632145
SMILES	CC1=CC=C(S1)Cl
Synonym	thiophene, 2-chloro-5-methyl,pubchem5197,acmc-209e4p,2-chloro-5-methyl-thiophene,ksc497i0h,2-chloranyl-5-methyl-thiophene
IUPAC Name	2-chloro-5-methylthiophene
InChI Key	JSMMZMYGEVUURX-UHFFFAOYSA-N
Molecular Formula	C5H5ClS

134

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4,5,6,7-Tetrahydrobenzo[b]thiophene-2-sulfonyl chloride, 95%

CAS: 128852-17-5 Molecular Formula: C8H9ClO2S2 Molecular Weight (g/mol): 236.73 MDL Number: MFCD18825753 InChI Key: UUBSHLWNADKCBU-UHFFFAOYSA-N Synonym: 4,5,6,7-tetrahydrobenzo b thiophene-2-sulfonyl chloride,2-chlorosulphonyl-4,5,6,7-tetrahydrobenzo b thiophene,4,5,6,7-tetrahydro-1-benzothiophene-2-sulphonyl chloride,4,5,6,7-tetrahydrobenzo b thiophene-2-sulphonyl chloride,4,5,6,7-tetrahydro-1-benzo b thiophene-2-sulfonyl chloride,benzo b thiophene-2-sulfonyl chloride, 4,5,6,7-tetrahydro-9ci PubChem CID: 15158650 IUPAC Name: 4,5,6,7-tetrahydro-1-benzothiophene-2-sulfonyl chloride SMILES: ClS(=O)(=O)C1=CC2=C(CCCC2)S1

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PubChem CID	15158650
CAS	128852-17-5
Molecular Weight (g/mol)	236.73
MDL Number	MFCD18825753
SMILES	ClS(=O)(=O)C1=CC2=C(CCCC2)S1
Synonym	4,5,6,7-tetrahydrobenzo b thiophene-2-sulfonyl chloride,2-chlorosulphonyl-4,5,6,7-tetrahydrobenzo b thiophene,4,5,6,7-tetrahydro-1-benzothiophene-2-sulphonyl chloride,4,5,6,7-tetrahydrobenzo b thiophene-2-sulphonyl chloride,4,5,6,7-tetrahydro-1-benzo b thiophene-2-sulfonyl chloride,benzo b thiophene-2-sulfonyl chloride, 4,5,6,7-tetrahydro-9ci
IUPAC Name	4,5,6,7-tetrahydro-1-benzothiophene-2-sulfonyl chloride
InChI Key	UUBSHLWNADKCBU-UHFFFAOYSA-N
Molecular Formula	C8H9ClO2S2

135

5-Cyanothiophene-2-boronic acid, 98%

CAS: 305832-67-1 Molecular Formula: C5H4BNO2S Molecular Weight (g/mol): 152.96 MDL Number: MFCD02094029 InChI Key: ZEOMEPSYIIQIND-UHFFFAOYSA-N Synonym: 5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts PubChem CID: 4198743 IUPAC Name: (5-cyanothiophen-2-yl)boronic acid SMILES: OB(O)C1=CC=C(S1)C#N

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PubChem CID	4198743
CAS	305832-67-1
Molecular Weight (g/mol)	152.96
MDL Number	MFCD02094029
SMILES	OB(O)C1=CC=C(S1)C#N
Synonym	5-cyanothiophene-2-boronic acid,5-cyanothiophen-2-yl boronic acid,5-cyanothiophen-2-yl-2-boronic acid,5-boronothiophene-2-carbonitrile,5-cyano-2-thienyl boronic acid,5-dihydroxyboranyl thiophene-2-carbonitrile,5-cyano-2-thienylboronic acid,boronic acid, 5-cyano-2-thienyl,5-cyanothiophen-2-boronic acid,acmc-1ctts
IUPAC Name	(5-cyanothiophen-2-yl)boronic acid
InChI Key	ZEOMEPSYIIQIND-UHFFFAOYSA-N
Molecular Formula	C5H4BNO2S

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