Thiophenes

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

1 – 15 of 691 results

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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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

5-[5-(Trifluoromethyl)isoxazol-3-yl]thiophene-2-sulfonyl chloride, 97%, Thermo Scientific™

CAS: 229956-98-3 Molecular Formula: C8H3ClF3NO3S2 Molecular Weight (g/mol): 317.681 MDL Number: MFCD00831001 InChI Key: TWGONVLMWWEOFL-UHFFFAOYSA-N Synonym: 5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulfonyl chloride,5-5-trifluoromethyl-1,2-oxazol-3-yl thiophene-2-sulfonyl chloride,2-thiophenesulfonylchloride, 5-5-trifluoromethyl-3-isoxazolyl,5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulphonyl chloride,5-5-trifluoromethyl-isoxazol-3-yl-thiophene-2-sulfonyl chloride PubChem CID: 2777526 IUPAC Name: 5-[5-(trifluoromethyl)-1,2-oxazol-3-yl]thiophene-2-sulfonyl chloride SMILES: C1=C(SC(=C1)S(=O)(=O)Cl)C2=NOC(=C2)C(F)(F)F

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PubChem CID	2777526
CAS	229956-98-3
Molecular Weight (g/mol)	317.681
MDL Number	MFCD00831001
SMILES	C1=C(SC(=C1)S(=O)(=O)Cl)C2=NOC(=C2)C(F)(F)F
Synonym	5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulfonyl chloride,5-5-trifluoromethyl-1,2-oxazol-3-yl thiophene-2-sulfonyl chloride,2-thiophenesulfonylchloride, 5-5-trifluoromethyl-3-isoxazolyl,5-5-trifluoromethyl isoxazol-3-yl thiophene-2-sulphonyl chloride,5-5-trifluoromethyl-isoxazol-3-yl-thiophene-2-sulfonyl chloride
IUPAC Name	5-[5-(trifluoromethyl)-1,2-oxazol-3-yl]thiophene-2-sulfonyl chloride
InChI Key	TWGONVLMWWEOFL-UHFFFAOYSA-N
Molecular Formula	C8H3ClF3NO3S2

2-Iodo-5-methylthiophene, 97%

CAS: 16494-36-3 Molecular Formula: C5H5IS Molecular Weight (g/mol): 224.06 MDL Number: MFCD00022492 InChI Key: NAZNQEXKAPLVKC-UHFFFAOYSA-N Synonym: thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene PubChem CID: 140096 IUPAC Name: 2-iodo-5-methylthiophene SMILES: CC1=CC=C(I)S1

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PubChem CID	140096
CAS	16494-36-3
Molecular Weight (g/mol)	224.06
MDL Number	MFCD00022492
SMILES	CC1=CC=C(I)S1
Synonym	thiophene, 2-iodo-5-methyl,pubchem7417,acmc-1bs6v,2-iodo-5-methyl-thiophene,2-iodo-5-methyl thiophene,bidd:gt0402,2-iodo-5-methylthiophene
IUPAC Name	2-iodo-5-methylthiophene
InChI Key	NAZNQEXKAPLVKC-UHFFFAOYSA-N
Molecular Formula	C5H5IS

5-Methyl-2-thiophenecarboxaldehyde, 98%

CAS: 13679-70-4 Molecular Formula: C₆H₆OS Molecular Weight (g/mol): 126.18 MDL Number: MFCD00005434 InChI Key: VAUMDUIUEPIGHM-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde PubChem CID: 61663 IUPAC Name: 5-methylthiophene-2-carbaldehyde SMILES: CC1=CC=C(S1)C=O

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PubChem CID	61663
CAS	13679-70-4
Molecular Weight (g/mol)	126.18
MDL Number	MFCD00005434
SMILES	CC1=CC=C(S1)C=O
Synonym	5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde
IUPAC Name	5-methylthiophene-2-carbaldehyde
InChI Key	VAUMDUIUEPIGHM-UHFFFAOYSA-N
Molecular Formula	C₆H₆OS

5-Bromothiophene-2-carboxylic acid, 97%

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

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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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

2-Bromo-3-thiophenecarboxylic acid, 96%

CAS: 24287-95-4 Molecular Formula: C₅H₃BrO₂S Molecular Weight (g/mol): 207.04 MDL Number: MFCD05865213 InChI Key: RVSXMPCELBYUSF-UHFFFAOYSA-N Synonym: 2-bromo-3-thiophenecarboxylic acid,2-bromo-thiophene-3-carboxylic acid,2-bromo-thiophene-3-carboxylicacid,3-thiophenecarboxylic acid, 2-bromo,2-bromo-3-thenoic acid,acmc-209xc0,2-bromo-3-carboxythiophene,2-bromothiophene-3-carboxylic?acid,2-bromo-3-thiophene carboxylic acid,2-bromo-thiophene 3-carboxylic acid PubChem CID: 12320971 IUPAC Name: 2-bromothiophene-3-carboxylic acid SMILES: C1=CSC(=C1C(=O)O)Br

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PubChem CID	12320971
CAS	24287-95-4
Molecular Weight (g/mol)	207.04
MDL Number	MFCD05865213
SMILES	C1=CSC(=C1C(=O)O)Br
Synonym	2-bromo-3-thiophenecarboxylic acid,2-bromo-thiophene-3-carboxylic acid,2-bromo-thiophene-3-carboxylicacid,3-thiophenecarboxylic acid, 2-bromo,2-bromo-3-thenoic acid,acmc-209xc0,2-bromo-3-carboxythiophene,2-bromothiophene-3-carboxylic?acid,2-bromo-3-thiophene carboxylic acid,2-bromo-thiophene 3-carboxylic acid
IUPAC Name	2-bromothiophene-3-carboxylic acid
InChI Key	RVSXMPCELBYUSF-UHFFFAOYSA-N
Molecular Formula	C₅H₃BrO₂S

2-Methylbenzo[b]thiophene, 98%

CAS: 1195-14-8 Molecular Formula: C9H8S Molecular Weight (g/mol): 148.22 MDL Number: MFCD00216250 InChI Key: BLZKSRBAQDZAIX-UHFFFAOYSA-N PubChem CID: 70952 IUPAC Name: 2-methyl-1-benzothiophene SMILES: CC1=CC2=CC=CC=C2S1

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PubChem CID	70952
CAS	1195-14-8
Molecular Weight (g/mol)	148.22
MDL Number	MFCD00216250
SMILES	CC1=CC2=CC=CC=C2S1
IUPAC Name	2-methyl-1-benzothiophene
InChI Key	BLZKSRBAQDZAIX-UHFFFAOYSA-N
Molecular Formula	C9H8S

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

2-Acetylbenzo[b]thiophene 98.0+%, TCI America™

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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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

3-Methoxythiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 60166-83-8 Molecular Formula: C6H6O3S Molecular Weight (g/mol): 158.17 MDL Number: MFCD01316613 InChI Key: LSSMRBBQCHSDNS-UHFFFAOYSA-N PubChem CID: 1483475 IUPAC Name: 3-methoxythiophene-2-carboxylic acid SMILES: COC1=C(SC=C1)C(O)=O

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PubChem CID	1483475
CAS	60166-83-8
Molecular Weight (g/mol)	158.17
MDL Number	MFCD01316613
SMILES	COC1=C(SC=C1)C(O)=O
IUPAC Name	3-methoxythiophene-2-carboxylic acid
InChI Key	LSSMRBBQCHSDNS-UHFFFAOYSA-N
Molecular Formula	C6H6O3S

5-Phenylthiophene-2-carboxylic acid, 95+%, Thermo Scientific™

CAS: 19163-24-7 Molecular Formula: C11H8O2S Molecular Weight (g/mol): 204.243 InChI Key: QGMFBCDNJUZQBZ-UHFFFAOYSA-N Synonym: 5-phenyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-phenyl,5-phenyl-2-thiophene carboxylic acid,pubchem19533,5-phenyl-2-thenoic acid,2-carboxy-5-phenylthiophene,5-phenyl 2-thiophenecarboxylic acid,5-phenyl-thiophene-2-carboxylic acid PubChem CID: 736494 IUPAC Name: 5-phenylthiophene-2-carboxylic acid SMILES: C1=CC=C(C=C1)C2=CC=C(S2)C(=O)O

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PubChem CID	736494
CAS	19163-24-7
Molecular Weight (g/mol)	204.243
SMILES	C1=CC=C(C=C1)C2=CC=C(S2)C(=O)O
Synonym	5-phenyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-phenyl,5-phenyl-2-thiophene carboxylic acid,pubchem19533,5-phenyl-2-thenoic acid,2-carboxy-5-phenylthiophene,5-phenyl 2-thiophenecarboxylic acid,5-phenyl-thiophene-2-carboxylic acid
IUPAC Name	5-phenylthiophene-2-carboxylic acid
InChI Key	QGMFBCDNJUZQBZ-UHFFFAOYSA-N
Molecular Formula	C11H8O2S

1-Benzothiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 5381-25-9 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.205 MDL Number: MFCD01846406 InChI Key: DRBLTQNCQJXSNU-UHFFFAOYSA-N Synonym: benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid PubChem CID: 601280 IUPAC Name: 1-benzothiophene-3-carboxylic acid SMILES: C1=CC=C2C(=C1)C(=CS2)C(=O)O

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PubChem CID	601280
CAS	5381-25-9
Molecular Weight (g/mol)	178.205
MDL Number	MFCD01846406
SMILES	C1=CC=C2C(=C1)C(=CS2)C(=O)O
Synonym	benzo b thiophene-3-carboxylic acid,benzothiophene-3-carboxylic acid,benzothiophene-3-carboxylicacid,pubchem13463,acmc-20a10z,ksc178m8d,1-benzo b thiophene-3-carboxylic acid,#,thianaphthene-3-carboxylic acid
IUPAC Name	1-benzothiophene-3-carboxylic acid
InChI Key	DRBLTQNCQJXSNU-UHFFFAOYSA-N
Molecular Formula	C9H6O2S

5-Pyrid-4-ylthiophene-2-carbaldehyde, 97%, Thermo Scientific™

CAS: 129770-69-0 Molecular Formula: C10H7NOS Molecular Weight (g/mol): 189.232 MDL Number: MFCD06802777 InChI Key: SZPFXOQATCPCET-UHFFFAOYSA-N PubChem CID: 11052422 IUPAC Name: 5-pyridin-4-ylthiophene-2-carbaldehyde SMILES: C1=CN=CC=C1C2=CC=C(S2)C=O

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PubChem CID	11052422
CAS	129770-69-0
Molecular Weight (g/mol)	189.232
MDL Number	MFCD06802777
SMILES	C1=CN=CC=C1C2=CC=C(S2)C=O
IUPAC Name	5-pyridin-4-ylthiophene-2-carbaldehyde
InChI Key	SZPFXOQATCPCET-UHFFFAOYSA-N
Molecular Formula	C10H7NOS

4-Bromo-2-thiophenecarboxylic acid, 97%, Thermo Scientific™

CAS: 16694-18-1 Molecular Formula: C5H3BrO2S Molecular Weight (g/mol): 207.041 InChI Key: HJZFPRVFLBBAMU-UHFFFAOYSA-N Synonym: 4-bromo-2-thiophenecarboxylic acid,4-bromo-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 4-bromo,4-bromothiophene-carboxylic acid,4-bromo-2-thiophene carboxylic acid,4-bromo-2-carboxythiophene,4-bromo-2-thiophenecarboxylicacid,3-bromothiophene-5-carboxylic acid,pubchem5189,4-bromo-2-thenoic acid PubChem CID: 610409 IUPAC Name: 4-bromothiophene-2-carboxylic acid SMILES: C1=C(SC=C1Br)C(=O)O

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PubChem CID	610409
CAS	16694-18-1
Molecular Weight (g/mol)	207.041
SMILES	C1=C(SC=C1Br)C(=O)O
Synonym	4-bromo-2-thiophenecarboxylic acid,4-bromo-thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 4-bromo,4-bromothiophene-carboxylic acid,4-bromo-2-thiophene carboxylic acid,4-bromo-2-carboxythiophene,4-bromo-2-thiophenecarboxylicacid,3-bromothiophene-5-carboxylic acid,pubchem5189,4-bromo-2-thenoic acid
IUPAC Name	4-bromothiophene-2-carboxylic acid
InChI Key	HJZFPRVFLBBAMU-UHFFFAOYSA-N
Molecular Formula	C5H3BrO2S

Thiophenes

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2-Acetylbenzo[b]thiophene 98.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

2-Acetylbenzo[b]thiophene 98.0+%, TCI America™