Thiophenes

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

1 – 15 of 197 results

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

Methyl 4-cyano-5-(methylthio)thiophene-2-carboxylate, 97%, Thermo Scientific Chemicals

CAS: 175202-48-9 Molecular Formula: C8H7NO2S2 Molecular Weight (g/mol): 213.27 MDL Number: MFCD00173757 InChI Key: MJOQLNYXSSXZDJ-UHFFFAOYSA-N Synonym: methyl 4-cyano-5-methylthio thiophene-2-carboxylate,methyl 4-cyano-5-methylsulfanyl thiophene-2-carboxylate,4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 4-cyano-5-methylthiothiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-cyano-5-methylthio-, methyl ester,acmc-20akgh,methyl 3-cyano-2-methylthio thiophene-5-carboxylate,methyl 4-cyano-5-methylsulfanyl-2-thiophenecarboxylate,4-cyano-5-methylthio thiophene-2-carboxylic acid methyl ester PubChem CID: 18536976 IUPAC Name: methyl 4-cyano-5-methylsulfanylthiophene-2-carboxylate SMILES: COC(=O)C1=CC(C#N)=C(SC)S1

Pricing and Availability
Specifications

PubChem CID	18536976
CAS	175202-48-9
Molecular Weight (g/mol)	213.27
MDL Number	MFCD00173757
SMILES	COC(=O)C1=CC(C#N)=C(SC)S1
Synonym	methyl 4-cyano-5-methylthio thiophene-2-carboxylate,methyl 4-cyano-5-methylsulfanyl thiophene-2-carboxylate,4-cyano-5-methylsulfanylthiophene-2-carboxylic acid methyl ester,methyl 4-cyano-5-methylthiothiophene-2-carboxylate,2-thiophenecarboxylicacid, 4-cyano-5-methylthio-, methyl ester,acmc-20akgh,methyl 3-cyano-2-methylthio thiophene-5-carboxylate,methyl 4-cyano-5-methylsulfanyl-2-thiophenecarboxylate,4-cyano-5-methylthio thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 4-cyano-5-methylsulfanylthiophene-2-carboxylate
InChI Key	MJOQLNYXSSXZDJ-UHFFFAOYSA-N
Molecular Formula	C8H7NO2S2

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-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-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

Pricing and Availability
Specifications

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

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

2,5-Dibromothiophene, 95%

Pricing and Availability
Specifications

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

4,5-Dibromothiophene-2-sulfonyl chloride, 97%

CAS: 81606-31-7 Molecular Formula: C4HBr2ClO2S2 Molecular Weight (g/mol): 340.43 MDL Number: MFCD00041439 InChI Key: WJYGHWXWQSCONR-UHFFFAOYSA-N Synonym: 4,5-dibromothiophene-2-sulphonyl chloride,2,3-dibromothiophene-5-sulfonyl chloride,4,5-dibromo-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 4,5-dibromo,4,5-dibromothiophene-2-sulfonic acid chloride,acmc-20ams9,buttpark 9350-57,4,5-dibromo 2-thienyl chlorosulfone,2,3-dibromothiophene-5-sulfonylchloride,4,5-dibromothiophene-2-sulfonylchloride PubChem CID: 522755 IUPAC Name: 4,5-dibromothiophene-2-sulfonyl chloride SMILES: ClS(=O)(=O)C1=CC(Br)=C(Br)S1

Pricing and Availability
Specifications

PubChem CID	522755
CAS	81606-31-7
Molecular Weight (g/mol)	340.43
MDL Number	MFCD00041439
SMILES	ClS(=O)(=O)C1=CC(Br)=C(Br)S1
Synonym	4,5-dibromothiophene-2-sulphonyl chloride,2,3-dibromothiophene-5-sulfonyl chloride,4,5-dibromo-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 4,5-dibromo,4,5-dibromothiophene-2-sulfonic acid chloride,acmc-20ams9,buttpark 9350-57,4,5-dibromo 2-thienyl chlorosulfone,2,3-dibromothiophene-5-sulfonylchloride,4,5-dibromothiophene-2-sulfonylchloride
IUPAC Name	4,5-dibromothiophene-2-sulfonyl chloride
InChI Key	WJYGHWXWQSCONR-UHFFFAOYSA-N
Molecular Formula	C4HBr2ClO2S2

3-Chlorothiophene-2-carboxylic acid, 97+%

CAS: 59337-89-2 Molecular Formula: C5H3ClO2S Molecular Weight (g/mol): 162.587 MDL Number: MFCD00043888 InChI Key: BXEAAHIHFFIMIE-UHFFFAOYSA-N Synonym: 3-chloro-2-thiophenecarboxylic acid,3-chlorothiophene-2-carboxylicacid,2-thiophenecarboxylic acid, chloro,3-chloro-thiophene-2-carboxylic acid,pubchem5491,chlorothiophenecarboxylic,acmc-20agf8,maybridge1_004006,ksc274e4d,3-chlorothiophenecarboxylic acid PubChem CID: 701269 IUPAC Name: 3-chlorothiophene-2-carboxylic acid SMILES: C1=CSC(=C1Cl)C(=O)O

Pricing and Availability
Specifications

PubChem CID	701269
CAS	59337-89-2
Molecular Weight (g/mol)	162.587
MDL Number	MFCD00043888
SMILES	C1=CSC(=C1Cl)C(=O)O
Synonym	3-chloro-2-thiophenecarboxylic acid,3-chlorothiophene-2-carboxylicacid,2-thiophenecarboxylic acid, chloro,3-chloro-thiophene-2-carboxylic acid,pubchem5491,chlorothiophenecarboxylic,acmc-20agf8,maybridge1_004006,ksc274e4d,3-chlorothiophenecarboxylic acid
IUPAC Name	3-chlorothiophene-2-carboxylic acid
InChI Key	BXEAAHIHFFIMIE-UHFFFAOYSA-N
Molecular Formula	C5H3ClO2S

5-Acetylthiophene-2-carboxylic acid, 98+%

CAS: 4066-41-5 Molecular Formula: C7H6O3S Molecular Weight (g/mol): 170.182 MDL Number: MFCD00055512 InChI Key: LIKIMWYKJUFVJP-UHFFFAOYSA-N Synonym: 5-acetyl-2-thiophenecarboxylic acid,5-acetyltiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-acetyl,5-acetyl-2-thenoic acid,acmc-1ae0g,5-carboxy-2-acetylthiophene,5-acetylthiophene-2-carboxylicacid,5-acetyl-thiophen-2-carboxylic acid,5-acetyl thiophene-2-carboxylic acid,5-acetyl-2-thiophene-carboxylic acid PubChem CID: 3742727 IUPAC Name: 5-acetylthiophene-2-carboxylic acid SMILES: CC(=O)C1=CC=C(S1)C(=O)O

Pricing and Availability
Specifications

PubChem CID	3742727
CAS	4066-41-5
Molecular Weight (g/mol)	170.182
MDL Number	MFCD00055512
SMILES	CC(=O)C1=CC=C(S1)C(=O)O
Synonym	5-acetyl-2-thiophenecarboxylic acid,5-acetyltiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-acetyl,5-acetyl-2-thenoic acid,acmc-1ae0g,5-carboxy-2-acetylthiophene,5-acetylthiophene-2-carboxylicacid,5-acetyl-thiophen-2-carboxylic acid,5-acetyl thiophene-2-carboxylic acid,5-acetyl-2-thiophene-carboxylic acid
IUPAC Name	5-acetylthiophene-2-carboxylic acid
InChI Key	LIKIMWYKJUFVJP-UHFFFAOYSA-N
Molecular Formula	C7H6O3S

3-Bromothiophene-2-carboxamide, 99%, Thermo Scientific Chemicals

CAS: 78031-18-2 Molecular Formula: C5H4BrNOS Molecular Weight (g/mol): 206.06 MDL Number: MFCD00173835 InChI Key: KWXUWNXTRUZHNQ-UHFFFAOYSA-N Synonym: maybridge1_007895,3-bromo-2-carboxamidothiophene,2-thiophenecarboxamide,3-bromo,3-bromo-thiophene-2-carboxamide,3-bromo-2-thiophenecarboxamide #,buttpark 180\02-08,3-bromo thiophene-2-carboxamide PubChem CID: 605721 IUPAC Name: 3-bromothiophene-2-carboxamide SMILES: NC(=O)C1=C(Br)C=CS1

Pricing and Availability
Specifications

PubChem CID	605721
CAS	78031-18-2
Molecular Weight (g/mol)	206.06
MDL Number	MFCD00173835
SMILES	NC(=O)C1=C(Br)C=CS1
Synonym	maybridge1_007895,3-bromo-2-carboxamidothiophene,2-thiophenecarboxamide,3-bromo,3-bromo-thiophene-2-carboxamide,3-bromo-2-thiophenecarboxamide #,buttpark 180\02-08,3-bromo thiophene-2-carboxamide
IUPAC Name	3-bromothiophene-2-carboxamide
InChI Key	KWXUWNXTRUZHNQ-UHFFFAOYSA-N
Molecular Formula	C5H4BrNOS

5-Cyanothiophene-2-boronic acid, 98%, Thermo Scientific Chemicals

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

Pricing and Availability
Specifications

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

Benzo[b]thiophene-2-carboxaldehyde, 97%

CAS: 3541-37-5 Molecular Formula: C9H6OS Molecular Weight (g/mol): 162.21 MDL Number: MFCD01075041 InChI Key: NXSVNPSWARVMAY-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carboxaldehyde,benzo b thiophene-2-carbaldehyde,thianaphthene-2-carboxaldehyde,benzothiophene-2-carboxaldehyde,acmc-209igo,2-formylbenzo b thiophene,2-benzothiophenecarbaldehyde,2-formyl-benzo b thiophene,benzothiophene-2-carbaldehyde,2-benzothiophenecarboxaldehyde PubChem CID: 736500 IUPAC Name: 1-benzothiophene-2-carbaldehyde SMILES: O=CC1=CC2=CC=CC=C2S1

Pricing and Availability
Specifications

PubChem CID	736500
CAS	3541-37-5
Molecular Weight (g/mol)	162.21
MDL Number	MFCD01075041
SMILES	O=CC1=CC2=CC=CC=C2S1
Synonym	benzo b thiophene-2-carboxaldehyde,benzo b thiophene-2-carbaldehyde,thianaphthene-2-carboxaldehyde,benzothiophene-2-carboxaldehyde,acmc-209igo,2-formylbenzo b thiophene,2-benzothiophenecarbaldehyde,2-formyl-benzo b thiophene,benzothiophene-2-carbaldehyde,2-benzothiophenecarboxaldehyde
IUPAC Name	1-benzothiophene-2-carbaldehyde
InChI Key	NXSVNPSWARVMAY-UHFFFAOYSA-N
Molecular Formula	C9H6OS

Thiophenes

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