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-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-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-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-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-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

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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

5-[(Benzoylamino)methyl]thiophene-2-sulfonyl chloride, 97%, Thermo Scientific™

CAS: 138872443 Molecular Formula: C12H10ClNO3S2 Molecular Weight (g/mol): 315.786 MDL Number: MFCD00052130 InChI Key: VGSWVDWOXYTAPG-UHFFFAOYSA-N Synonym: 5-benzoylamino methyl thiophene-2-sulfonyl chloride,5-benzamidomethyl thiophene-2-sulfonyl chloride,2-benzoylaminomethyl thiophene-5-sulfonylchloride,2-benzoylaminomethyl thiophene-5-sulfonyl chloride,2-thiophenesulfonylchloride, 5-benzoylamino methyl,5-phenylformamido methyl thiophene-2-sulfonyl chloride,5-benzoylamino methyl thiophene-2-sulphonyl chloride,pubchem5470,acmc-20c3wu,5-benzamidomethyl thiophene-2-sulfonylchloride PubChem CID: 2778878 IUPAC Name: 5-(benzamidomethyl)thiophene-2-sulfonyl chloride SMILES: C1=CC=C(C=C1)C(=O)NCC2=CC=C(S2)S(=O)(=O)Cl

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PubChem CID	2778878
CAS	138872443
Molecular Weight (g/mol)	315.786
MDL Number	MFCD00052130
SMILES	C1=CC=C(C=C1)C(=O)NCC2=CC=C(S2)S(=O)(=O)Cl
Synonym	5-benzoylamino methyl thiophene-2-sulfonyl chloride,5-benzamidomethyl thiophene-2-sulfonyl chloride,2-benzoylaminomethyl thiophene-5-sulfonylchloride,2-benzoylaminomethyl thiophene-5-sulfonyl chloride,2-thiophenesulfonylchloride, 5-benzoylamino methyl,5-phenylformamido methyl thiophene-2-sulfonyl chloride,5-benzoylamino methyl thiophene-2-sulphonyl chloride,pubchem5470,acmc-20c3wu,5-benzamidomethyl thiophene-2-sulfonylchloride
IUPAC Name	5-(benzamidomethyl)thiophene-2-sulfonyl chloride
InChI Key	VGSWVDWOXYTAPG-UHFFFAOYSA-N
Molecular Formula	C12H10ClNO3S2

5-Chloro-4-nitrothiophene-2-sulfonyl chloride, 98%

CAS: 58457-24-2 Molecular Formula: C4HCl2NO4S2 Molecular Weight (g/mol): 262.075 MDL Number: MFCD00067978 InChI Key: SGHAHFHTASPNKN-UHFFFAOYSA-N Synonym: 2-chloro-3-nitrothiophene-5-sulphonyl chloride,2-chloro-3-nitrothiophene-5-sulfonyl chloride,5-chloro-4-nitro-thiophene-2-sulfonyl chloride,chloro 5-chloro-4-nitro 2-thienyl sulfone,pubchem5498,5-chloro-4-nitrothiophene-2-sulfonylchloride,acmc-20am48,2-chlorosulphonyl-4-nitro-5-chlorothiophene,5-chloro-4-nitro-2-thienylsulfonyl chloride PubChem CID: 2735783 IUPAC Name: 5-chloro-4-nitrothiophene-2-sulfonyl chloride SMILES: C1=C(SC(=C1[N+](=O)[O-])Cl)S(=O)(=O)Cl

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Specifications

PubChem CID	2735783
CAS	58457-24-2
Molecular Weight (g/mol)	262.075
MDL Number	MFCD00067978
SMILES	C1=C(SC(=C1[N+](=O)[O-])Cl)S(=O)(=O)Cl
Synonym	2-chloro-3-nitrothiophene-5-sulphonyl chloride,2-chloro-3-nitrothiophene-5-sulfonyl chloride,5-chloro-4-nitro-thiophene-2-sulfonyl chloride,chloro 5-chloro-4-nitro 2-thienyl sulfone,pubchem5498,5-chloro-4-nitrothiophene-2-sulfonylchloride,acmc-20am48,2-chlorosulphonyl-4-nitro-5-chlorothiophene,5-chloro-4-nitro-2-thienylsulfonyl chloride
IUPAC Name	5-chloro-4-nitrothiophene-2-sulfonyl chloride
InChI Key	SGHAHFHTASPNKN-UHFFFAOYSA-N
Molecular Formula	C4HCl2NO4S2

5-Bromothiophene-2-carboxaldehyde, 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

3-Bromo-2,5-dichlorothiophene, 97%

CAS: 60404-18-4 Molecular Formula: C4HBrCl2S Molecular Weight (g/mol): 231.92 MDL Number: MFCD00041440 InChI Key: PBUHOXBSIQJRNO-UHFFFAOYSA-N PubChem CID: 521925 IUPAC Name: 3-bromo-2,5-dichlorothiophene SMILES: ClC1=CC(Br)=C(Cl)S1

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PubChem CID	521925
CAS	60404-18-4
Molecular Weight (g/mol)	231.92
MDL Number	MFCD00041440
SMILES	ClC1=CC(Br)=C(Cl)S1
IUPAC Name	3-bromo-2,5-dichlorothiophene
InChI Key	PBUHOXBSIQJRNO-UHFFFAOYSA-N
Molecular Formula	C4HBrCl2S

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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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

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™