Thiophenes

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

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1 – 15 of 265 results

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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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

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

Methyle3-amino-4-cyanothiophene-2-carboxylate, 97%, Thermo Scientific™

Pricing and Availability

5-Bromobenzo[b]thiophene-3-carboxylic acid, 97%, Thermo Scientific™

CAS: 7312-24-5 Molecular Formula: C9H5BrO2S Molecular Weight (g/mol): 257.101 InChI Key: DWQBOPASRUUSKR-UHFFFAOYSA-N Synonym: 5-bromobenzo b thiophene-3-carboxylic acid,5-bromobenzo b thiophene-3-carboxylicacid,benzo b thiophene-3-carboxylicacid, 5-bromo,benzo b thiophene-3-carboxylic acid, 5-bromo,5-bromo-3-carboxybenzo b thiophene,5-bromo-benzo b thiophene-3-carboxylic acid,# PubChem CID: 621037 IUPAC Name: 5-bromo-1-benzothiophene-3-carboxylic acid SMILES: C1=CC2=C(C=C1Br)C(=CS2)C(=O)O

Pricing and Availability
Specifications

PubChem CID	621037
CAS	7312-24-5
Molecular Weight (g/mol)	257.101
SMILES	C1=CC2=C(C=C1Br)C(=CS2)C(=O)O
Synonym	5-bromobenzo b thiophene-3-carboxylic acid,5-bromobenzo b thiophene-3-carboxylicacid,benzo b thiophene-3-carboxylicacid, 5-bromo,benzo b thiophene-3-carboxylic acid, 5-bromo,5-bromo-3-carboxybenzo b thiophene,5-bromo-benzo b thiophene-3-carboxylic acid,#
IUPAC Name	5-bromo-1-benzothiophene-3-carboxylic acid
InChI Key	DWQBOPASRUUSKR-UHFFFAOYSA-N
Molecular Formula	C9H5BrO2S

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

Pricing and Availability
Specifications

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

5-Nitrothiophene-2-carbonitrile, 98+%

CAS: 16689-02-4 Molecular Formula: C5H2N2O2S Molecular Weight (g/mol): 154.143 MDL Number: MFCD00052401 InChI Key: FLYONFCGDKAMIH-UHFFFAOYSA-N Synonym: 5-nitro-2-thiophenecarbonitrile,5-cyano-2-nitrothiophene,2-cyano-5-nitrothiophene,5-nitrothiophene-2-carbonitirile,5-nitro-thiophene-2-carbonitrile,2-thiophenecarbonitrile, 5-nitro,zlchem 478,maybridge1_005980,5-nitro-2-cyanothiophene,acmc-209dv8 PubChem CID: 519294 IUPAC Name: 5-nitrothiophene-2-carbonitrile SMILES: C1=C(SC(=C1)[N+](=O)[O-])C#N

Pricing and Availability
Specifications

PubChem CID	519294
CAS	16689-02-4
Molecular Weight (g/mol)	154.143
MDL Number	MFCD00052401
SMILES	C1=C(SC(=C1)[N+](=O)[O-])C#N
Synonym	5-nitro-2-thiophenecarbonitrile,5-cyano-2-nitrothiophene,2-cyano-5-nitrothiophene,5-nitrothiophene-2-carbonitirile,5-nitro-thiophene-2-carbonitrile,2-thiophenecarbonitrile, 5-nitro,zlchem 478,maybridge1_005980,5-nitro-2-cyanothiophene,acmc-209dv8
IUPAC Name	5-nitrothiophene-2-carbonitrile
InChI Key	FLYONFCGDKAMIH-UHFFFAOYSA-N
Molecular Formula	C5H2N2O2S

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

CAS: 138872-44-3 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

Pricing and Availability
Specifications

PubChem CID	2778878
CAS	138872-44-3
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

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carbonyl chloride, 97%, Thermo Scientific™

CAS: 388088-75-3 Molecular Formula: C8H7ClN2OS Molecular Weight (g/mol): 214.67 MDL Number: MFCD03086153 InChI Key: BQOTYHLFKDBAGL-UHFFFAOYSA-N Synonym: 1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carbonyl chloride,1,3-dimethylthieno 2,3-c pyrazole-5-carbonyl chloride,1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carbonylchloride,1,3-dimethylthiopheno 3,2-d pyrazole-5-carbonyl chloride,1h-thieno 2,3-c pyrazole-5-carbonylchloride, 1,3-dimethyl PubChem CID: 2776542 IUPAC Name: 1,3-dimethylthieno[2,3-c]pyrazole-5-carbonyl chloride SMILES: CN1N=C(C)C2=C1SC(=C2)C(Cl)=O

Pricing and Availability
Specifications

PubChem CID	2776542
CAS	388088-75-3
Molecular Weight (g/mol)	214.67
MDL Number	MFCD03086153
SMILES	CN1N=C(C)C2=C1SC(=C2)C(Cl)=O
Synonym	1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carbonyl chloride,1,3-dimethylthieno 2,3-c pyrazole-5-carbonyl chloride,1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carbonylchloride,1,3-dimethylthiopheno 3,2-d pyrazole-5-carbonyl chloride,1h-thieno 2,3-c pyrazole-5-carbonylchloride, 1,3-dimethyl
IUPAC Name	1,3-dimethylthieno[2,3-c]pyrazole-5-carbonyl chloride
InChI Key	BQOTYHLFKDBAGL-UHFFFAOYSA-N
Molecular Formula	C8H7ClN2OS

5-Formyl-4-methylthiophene-2-boronic acid, 97%

CAS: 352530-25-7 Molecular Formula: C6H7BO3S Molecular Weight (g/mol): 169.99 MDL Number: MFCD03093890 InChI Key: QEIXJCOHLUKRPO-UHFFFAOYSA-N Synonym: 5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl PubChem CID: 46738927 IUPAC Name: (5-formyl-4-methylthiophen-2-yl)boronic acid SMILES: CC1=C(SC(=C1)B(O)O)C=O

Pricing and Availability
Specifications

PubChem CID	46738927
CAS	352530-25-7
Molecular Weight (g/mol)	169.99
MDL Number	MFCD03093890
SMILES	CC1=C(SC(=C1)B(O)O)C=O
Synonym	5-formyl-4-methylthiophen-2-yl boronic acid,5-borono-3-methylthiophene-2-carboxaldehyde,5-formyl-4-methylthiophene-2-boronic acid,zlchem 1324,acmc-209iey,5-borono-3-methylthiophene-2-carbaldehyde,b-5-formyl-4-methyl-2-thienyl boronic acid,boronicacid,b-5-formyl-4-methyl-2-thienyl
IUPAC Name	(5-formyl-4-methylthiophen-2-yl)boronic acid
InChI Key	QEIXJCOHLUKRPO-UHFFFAOYSA-N
Molecular Formula	C6H7BO3S

3-Bromothiophene-2-carboxylic acid, 97%

CAS: 7311-64-0 Molecular Formula: C5H3BrO2S Molecular Weight (g/mol): 207.041 MDL Number: MFCD00052291 InChI Key: VQQLWBUTTMNMFT-UHFFFAOYSA-N Synonym: 3-bromo-2-thiophenecarboxylic acid,3-bromo-2-thenoic acid,2-thiophenecarboxylic acid, 3-bromo,3-bromo-thiophene-2-carboxylic acid,maybridge1_007344,3-bromothiophene-2-carboxylicacid,bromothiophenecarboxylic,pubchem10096,ksc494c9j,bromo-thiophene-2-carboxylic acid PubChem CID: 2739688 IUPAC Name: 3-bromothiophene-2-carboxylic acid SMILES: C1=CSC(=C1Br)C(=O)O

Pricing and Availability
Specifications

PubChem CID	2739688
CAS	7311-64-0
Molecular Weight (g/mol)	207.041
MDL Number	MFCD00052291
SMILES	C1=CSC(=C1Br)C(=O)O
Synonym	3-bromo-2-thiophenecarboxylic acid,3-bromo-2-thenoic acid,2-thiophenecarboxylic acid, 3-bromo,3-bromo-thiophene-2-carboxylic acid,maybridge1_007344,3-bromothiophene-2-carboxylicacid,bromothiophenecarboxylic,pubchem10096,ksc494c9j,bromo-thiophene-2-carboxylic acid
IUPAC Name	3-bromothiophene-2-carboxylic acid
InChI Key	VQQLWBUTTMNMFT-UHFFFAOYSA-N
Molecular Formula	C5H3BrO2S

5-(Methylthio)thiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 20873-58-9 Molecular Formula: C6H6O2S2 Molecular Weight (g/mol): 174.232 MDL Number: MFCD00173742 InChI Key: FWFWUSLBIIIIEN-UHFFFAOYSA-N Synonym: 5-methylthio thiophene-2-carboxylic acid,5-methylsulfanyl thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-methylthio,2-thiophenecarboxylicacid, 5-methylthio,5-methylthiothiophene-2-carboxylic acid,maybridge1_007717,d04ngc,cambridge id 5103856,5-methylmercaptothiophene-2-carboxylic,5-methylthio-2-thiophenecarboxylic acid PubChem CID: 714372 IUPAC Name: 5-methylsulfanylthiophene-2-carboxylic acid SMILES: CSC1=CC=C(S1)C(=O)O

Pricing and Availability
Specifications

PubChem CID	714372
CAS	20873-58-9
Molecular Weight (g/mol)	174.232
MDL Number	MFCD00173742
SMILES	CSC1=CC=C(S1)C(=O)O
Synonym	5-methylthio thiophene-2-carboxylic acid,5-methylsulfanyl thiophene-2-carboxylic acid,2-thiophenecarboxylic acid, 5-methylthio,2-thiophenecarboxylicacid, 5-methylthio,5-methylthiothiophene-2-carboxylic acid,maybridge1_007717,d04ngc,cambridge id 5103856,5-methylmercaptothiophene-2-carboxylic,5-methylthio-2-thiophenecarboxylic acid
IUPAC Name	5-methylsulfanylthiophene-2-carboxylic acid
InChI Key	FWFWUSLBIIIIEN-UHFFFAOYSA-N
Molecular Formula	C6H6O2S2

Methyle3-amino-4-methylthiophene-2-carboxylate, 97%, Thermo Scientific™

CAS: 85006-31-1 Molecular Formula: C7H9NO2S Molecular Weight (g/mol): 171.21 MDL Number: MFCD00051822 InChI Key: YICRPERKKBDRSP-UHFFFAOYSA-N Synonym: methyl3-amino-4-methylthiophene-2-carboxylate,3-amino-4-methylthiophene-2-carboxylic acid methyl ester,unii-3la24473as,3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-4-methyl-, methyl ester,methyl 3-amino-4-methyl-2-thenoate,methyl 3-amino-4-methyl-2-thiophenecarboxylate,methyl-3-amino-4-methylthiophene-2-carboxylate,methyl 3-amino-4-methyl-thiophene-2-carboxylate,3-amino-4-methyl-thiophene-2-carboxylic acid methyl ester PubChem CID: 123584 IUPAC Name: methyl 3-amino-4-methylthiophene-2-carboxylate SMILES: COC(=O)C1=C(N)C(C)=CS1

Pricing and Availability
Specifications

PubChem CID	123584
CAS	85006-31-1
Molecular Weight (g/mol)	171.21
MDL Number	MFCD00051822
SMILES	COC(=O)C1=C(N)C(C)=CS1
Synonym	methyl3-amino-4-methylthiophene-2-carboxylate,3-amino-4-methylthiophene-2-carboxylic acid methyl ester,unii-3la24473as,3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester,2-thiophenecarboxylic acid, 3-amino-4-methyl-, methyl ester,methyl 3-amino-4-methyl-2-thenoate,methyl 3-amino-4-methyl-2-thiophenecarboxylate,methyl-3-amino-4-methylthiophene-2-carboxylate,methyl 3-amino-4-methyl-thiophene-2-carboxylate,3-amino-4-methyl-thiophene-2-carboxylic acid methyl ester
IUPAC Name	methyl 3-amino-4-methylthiophene-2-carboxylate
InChI Key	YICRPERKKBDRSP-UHFFFAOYSA-N
Molecular Formula	C7H9NO2S

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

Pricing and Availability
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-(5-Bromo-2-thienyl)pyridine, 97%, Thermo Scientific™

CAS: 123784-07-6 Molecular Formula: C9H6BrNS Molecular Weight (g/mol): 240.12 MDL Number: MFCD00120466 InChI Key: AKNKWLQVFAYRRO-UHFFFAOYSA-N Synonym: 2-5-bromo-2-thienyl pyridine,2-5-bromothiophen-2-yl pyridine,2-5-bromothien-2-yl pyridine,pyridine,2-5-bromo-2-thienyl,acmc-20mqrz,5-bromo-2-2-pyridyl thiophene,2-5-bromo-2-thiophenyl pyridine,2-bromo-5-2-pyridinyl thiophene,2-5-bromanylthiophen-2-yl pyridine,2-5-bromo-thiophen-2-yl-pyridine PubChem CID: 736483 IUPAC Name: 2-(5-bromothiophen-2-yl)pyridine SMILES: BrC1=CC=C(S1)C1=CC=CC=N1

Pricing and Availability
Specifications

PubChem CID	736483
CAS	123784-07-6
Molecular Weight (g/mol)	240.12
MDL Number	MFCD00120466
SMILES	BrC1=CC=C(S1)C1=CC=CC=N1
Synonym	2-5-bromo-2-thienyl pyridine,2-5-bromothiophen-2-yl pyridine,2-5-bromothien-2-yl pyridine,pyridine,2-5-bromo-2-thienyl,acmc-20mqrz,5-bromo-2-2-pyridyl thiophene,2-5-bromo-2-thiophenyl pyridine,2-bromo-5-2-pyridinyl thiophene,2-5-bromanylthiophen-2-yl pyridine,2-5-bromo-thiophen-2-yl-pyridine
IUPAC Name	2-(5-bromothiophen-2-yl)pyridine
InChI Key	AKNKWLQVFAYRRO-UHFFFAOYSA-N
Molecular Formula	C9H6BrNS

Methyl-5-amino-1-benzothiophene-2-carboxylate, Thermo Scientific™

CAS: 20699-85-8 Molecular Formula: C10H9NO2S Molecular Weight (g/mol): 207.247 InChI Key: SIMBULBEQVHFPK-UHFFFAOYSA-N PubChem CID: 2824064 IUPAC Name: methyl 5-amino-1-benzothiophene-2-carboxylate SMILES: COC(=O)C1=CC2=C(S1)C=CC(=C2)N

Pricing and Availability
Specifications

PubChem CID	2824064
CAS	20699-85-8
Molecular Weight (g/mol)	207.247
SMILES	COC(=O)C1=CC2=C(S1)C=CC(=C2)N
IUPAC Name	methyl 5-amino-1-benzothiophene-2-carboxylate
InChI Key	SIMBULBEQVHFPK-UHFFFAOYSA-N
Molecular Formula	C10H9NO2S

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