Thiophenes

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

1 – 15 of 197 results

Methyl 3-aminothiophene-4-carboxylate hydrochloride, 97+%

CAS: 39978-14-8 Molecular Formula: C6H7NO2S Molecular Weight (g/mol): 157.19 MDL Number: MFCD00068149 InChI Key: BUFZZXCVOFBHLS-UHFFFAOYSA-N Synonym: methyl 4-aminothiophene-3-carboxylate hydrochloride,methyl 3-aminothiophene-4-carboxylate hydrochloride,3-carbomethoxy-4-aminothiophene hydrochloride,acmc-209zkz,methyl 4-aminothiophene-3-carboxylate, chloride,3-amino-4-methoxycarbonylthiophene hydrochloride,4-amino-3-methoxycarbonylthiophene hydrochloride,methyl3-aminothiophene-4-carboxylatehydrochloride,4-amino-3-methoxycarbonyl thiophene hydrochloride,methyl 4-aminothiophen-3-carboxylate hydrochloride PubChem CID: 2777609 SMILES: COC(=O)C1=CSC=C1N

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Specifications

PubChem CID	2777609
CAS	39978-14-8
Molecular Weight (g/mol)	157.19
MDL Number	MFCD00068149
SMILES	COC(=O)C1=CSC=C1N
Synonym	methyl 4-aminothiophene-3-carboxylate hydrochloride,methyl 3-aminothiophene-4-carboxylate hydrochloride,3-carbomethoxy-4-aminothiophene hydrochloride,acmc-209zkz,methyl 4-aminothiophene-3-carboxylate, chloride,3-amino-4-methoxycarbonylthiophene hydrochloride,4-amino-3-methoxycarbonylthiophene hydrochloride,methyl3-aminothiophene-4-carboxylatehydrochloride,4-amino-3-methoxycarbonyl thiophene hydrochloride,methyl 4-aminothiophen-3-carboxylate hydrochloride
InChI Key	BUFZZXCVOFBHLS-UHFFFAOYSA-N
Molecular Formula	C6H7NO2S

4,5-Dimethylthiophene-2-carboxaldehyde, 97%

CAS: 5928-48-3 Molecular Formula: C7H8OS Molecular Weight (g/mol): 140.2 MDL Number: MFCD02093897 InChI Key: QSBBXKVGLJSGAJ-UHFFFAOYSA-N Synonym: 4,5-dimethylthiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 4,5-dimethyl,acmc-20amru,pubchem20559,2,3-dimethyl-5-formylthiophene,2-thiophenecarboxaldehyde,4,5-dimethyl,4,5-dimethyl-2-thiophene carboxaldehyde PubChem CID: 2733926 IUPAC Name: 4,5-dimethylthiophene-2-carbaldehyde SMILES: CC1=C(SC(=C1)C=O)C

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Specifications

PubChem CID	2733926
CAS	5928-48-3
Molecular Weight (g/mol)	140.2
MDL Number	MFCD02093897
SMILES	CC1=C(SC(=C1)C=O)C
Synonym	4,5-dimethylthiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde, 4,5-dimethyl,acmc-20amru,pubchem20559,2,3-dimethyl-5-formylthiophene,2-thiophenecarboxaldehyde,4,5-dimethyl,4,5-dimethyl-2-thiophene carboxaldehyde
IUPAC Name	4,5-dimethylthiophene-2-carbaldehyde
InChI Key	QSBBXKVGLJSGAJ-UHFFFAOYSA-N
Molecular Formula	C7H8OS

2,5-Dimethylthiophene-3-boronic acid, 95%

CAS: 162607-23-0 Molecular Formula: C6H9BO2S Molecular Weight (g/mol): 156.01 MDL Number: MFCD09837620 InChI Key: RFQHMNWNEOZRLK-UHFFFAOYSA-N Synonym: 2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl PubChem CID: 45588123 IUPAC Name: (2,5-dimethylthiophen-3-yl)boronic acid SMILES: CC1=CC(B(O)O)=C(C)S1

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Specifications

PubChem CID	45588123
CAS	162607-23-0
Molecular Weight (g/mol)	156.01
MDL Number	MFCD09837620
SMILES	CC1=CC(B(O)O)=C(C)S1
Synonym	2,5-dimethylthiophene-3-boronic acid,2,5-dimethylthiophen-3-yl boronic acid,2,5-dimethyl-3-thienyl boronic acid,boronic acid,b-2,5-dimethyl-3-thienyl,2,5-dimethyl-3-thienylboronic acid,2,5-dimethylthien-3-ylboronic acid,boronic acid, 2,5-dimethyl-3-thienyl
IUPAC Name	(2,5-dimethylthiophen-3-yl)boronic acid
InChI Key	RFQHMNWNEOZRLK-UHFFFAOYSA-N
Molecular Formula	C6H9BO2S

Methyl 3-aminobenzo[b]thiophene-2-carboxylate, 97%

CAS: 35212-85-2 Molecular Formula: C10H9NO2S Molecular Weight (g/mol): 207.247 MDL Number: MFCD00206744 InChI Key: VLHHEYMZLXKSQO-UHFFFAOYSA-N Synonym: methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester PubChem CID: 874720 IUPAC Name: methyl 3-amino-1-benzothiophene-2-carboxylate SMILES: COC(=O)C1=C(C2=CC=CC=C2S1)N

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Specifications

PubChem CID	874720
CAS	35212-85-2
Molecular Weight (g/mol)	207.247
MDL Number	MFCD00206744
SMILES	COC(=O)C1=C(C2=CC=CC=C2S1)N
Synonym	methyl 3-aminobenzo b thiophene-2-carboxylate,benzo b thiophene-2-carboxylic acid, 3-amino-, methyl ester,cbmicro_030710,2-carbomethoxy-3-aminobenzothiophene,methyl 3-aminobenzothiophene-2-carboxylate,methyl-3-aminobenzothiophene-2-carboxylate,3-amino-2-methoxycarbonyl-1-benzothiophene,methyl 3-amino-benzo b thiophene-2-carboxylate,methyl 3-azanyl-1-benzothiophene-2-carboxylate,amino-benzo b thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 3-amino-1-benzothiophene-2-carboxylate
InChI Key	VLHHEYMZLXKSQO-UHFFFAOYSA-N
Molecular Formula	C10H9NO2S

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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Specifications

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

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

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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Specifications

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

2-Acetylbenzo[b]thiophene, 98%

CAS: 22720-75-8 Molecular Formula: C10H8OS Molecular Weight (g/mol): 176.23 MDL Number: MFCD00090217 InChI Key: SGSGCQGCVKWRNM-UHFFFAOYSA-N Synonym: 2-acetylbenzothiophene,2-acetylbenzo b thiophene,1-benzo b thiophen-2-yl ethanone,1-benzo b thiophen-2-yl-ethanone,1-1-benzothiophen-2-yl ethanone,1-1-benzothiophen-2-yl ethan-1-one,ethanone, 1-benzo b thienyl,1-benzo b thiophen-2-yl ethan-1-one PubChem CID: 89805 IUPAC Name: 1-(1-benzothiophen-2-yl)ethan-1-one SMILES: CC(=O)C1=CC2=CC=CC=C2S1

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Specifications

PubChem CID	89805
CAS	22720-75-8
Molecular Weight (g/mol)	176.23
MDL Number	MFCD00090217
SMILES	CC(=O)C1=CC2=CC=CC=C2S1
Synonym	2-acetylbenzothiophene,2-acetylbenzo b thiophene,1-benzo b thiophen-2-yl ethanone,1-benzo b thiophen-2-yl-ethanone,1-1-benzothiophen-2-yl ethanone,1-1-benzothiophen-2-yl ethan-1-one,ethanone, 1-benzo b thienyl,1-benzo b thiophen-2-yl ethan-1-one
IUPAC Name	1-(1-benzothiophen-2-yl)ethan-1-one
InChI Key	SGSGCQGCVKWRNM-UHFFFAOYSA-N
Molecular Formula	C10H8OS

Thiophene-3-carboxylic acid, 99%

CAS: 88-13-1 Molecular Formula: C5H4O2S Molecular Weight (g/mol): 128.145 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)	128.145
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-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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Specifications

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

2-Nitrothiophene, tech. 85%

CAS: 609-40-5 Molecular Formula: C4H3NO2S Molecular Weight (g/mol): 129.133 MDL Number: MFCD00005425 InChI Key: JIZRGGUCOQKGQD-UHFFFAOYSA-N Synonym: thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw PubChem CID: 11866 IUPAC Name: 2-nitrothiophene SMILES: C1=CSC(=C1)[N+](=O)[O-]

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Specifications

PubChem CID	11866
CAS	609-40-5
Molecular Weight (g/mol)	129.133
MDL Number	MFCD00005425
SMILES	C1=CSC(=C1)[N+](=O)[O-]
Synonym	thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw
IUPAC Name	2-nitrothiophene
InChI Key	JIZRGGUCOQKGQD-UHFFFAOYSA-N
Molecular Formula	C4H3NO2S

4,5-Dibromothiophene-2-carboxaldehyde, 98%

CAS: 38071-22-6 Molecular Formula: C5H2Br2OS Molecular Weight (g/mol): 269.938 MDL Number: MFCD00225242 InChI Key: CHRAVDVWAPGZOY-UHFFFAOYSA-N Synonym: 4,5-dibromothiophene-2-carboxaldehyde,acmc-1afpx,4,5-dibromo-2-thenaldehyde,4,5-dibromo-2-formylthiophene,4,5-dibromo-2-thiophenecarbaldehyde PubChem CID: 813164 IUPAC Name: 4,5-dibromothiophene-2-carbaldehyde SMILES: C1=C(SC(=C1Br)Br)C=O

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Specifications

PubChem CID	813164
CAS	38071-22-6
Molecular Weight (g/mol)	269.938
MDL Number	MFCD00225242
SMILES	C1=C(SC(=C1Br)Br)C=O
Synonym	4,5-dibromothiophene-2-carboxaldehyde,acmc-1afpx,4,5-dibromo-2-thenaldehyde,4,5-dibromo-2-formylthiophene,4,5-dibromo-2-thiophenecarbaldehyde
IUPAC Name	4,5-dibromothiophene-2-carbaldehyde
InChI Key	CHRAVDVWAPGZOY-UHFFFAOYSA-N
Molecular Formula	C5H2Br2OS

Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride, 97%

CAS: 121071-71-4 Molecular Formula: C8H10ClNO4S Molecular Weight (g/mol): 251.681 MDL Number: MFCD00205189 InChI Key: RETIFGMAGNDLAN-UHFFFAOYSA-N PubChem CID: 2808333 IUPAC Name: dimethyl 4-aminothiophene-2,3-dicarboxylate;hydrochloride SMILES: COC(=O)C1=C(SC=C1N)C(=O)OC.Cl

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Specifications

PubChem CID	2808333
CAS	121071-71-4
Molecular Weight (g/mol)	251.681
MDL Number	MFCD00205189
SMILES	COC(=O)C1=C(SC=C1N)C(=O)OC.Cl
IUPAC Name	dimethyl 4-aminothiophene-2,3-dicarboxylate;hydrochloride
InChI Key	RETIFGMAGNDLAN-UHFFFAOYSA-N
Molecular Formula	C8H10ClNO4S

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

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

Pricing and Availability
Specifications

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

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