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 206 results

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5-(4-Methoxyphenyl)thiophene-2-carboxaldehyde, 99%

CAS: 38401-67-1 Molecular Formula: C12H10O2S Molecular Weight (g/mol): 218.27 MDL Number: MFCD00663639 InChI Key: ODLOZSNXTQAWGQ-UHFFFAOYSA-N Synonym: 5-4-methoxyphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl thiophene-2-carboxaldehyde,5-4-methoxyphenyl-2-thiophenecarbaldehyde,acmc-1ahp9,rarechem ak ma k025,methoxyphenylthiophenecarbaldehyde,2-formyl-5-4-methoxyphenyl thiophene,5-4-methoxylphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl-2-thiophenecarboxaldehyde,5-4-methoxy-phenyl-thiophene-2-carbaldehyde PubChem CID: 2797800 IUPAC Name: 5-(4-methoxyphenyl)thiophene-2-carbaldehyde SMILES: COC1=CC=C(C=C1)C1=CC=C(S1)C=O

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PubChem CID	2797800
CAS	38401-67-1
Molecular Weight (g/mol)	218.27
MDL Number	MFCD00663639
SMILES	COC1=CC=C(C=C1)C1=CC=C(S1)C=O
Synonym	5-4-methoxyphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl thiophene-2-carboxaldehyde,5-4-methoxyphenyl-2-thiophenecarbaldehyde,acmc-1ahp9,rarechem ak ma k025,methoxyphenylthiophenecarbaldehyde,2-formyl-5-4-methoxyphenyl thiophene,5-4-methoxylphenyl thiophene-2-carbaldehyde,5-4-methoxyphenyl-2-thiophenecarboxaldehyde,5-4-methoxy-phenyl-thiophene-2-carbaldehyde
IUPAC Name	5-(4-methoxyphenyl)thiophene-2-carbaldehyde
InChI Key	ODLOZSNXTQAWGQ-UHFFFAOYSA-N
Molecular Formula	C12H10O2S

D-Gulonic acid-1,4-lactone, 98%

CAS: 6322-07-2 MDL Number: MFCD00005391

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CAS	6322-07-2
MDL Number	MFCD00005391

1-Benzothiophene-2-carbaldehyde, 97%, Thermo Scientific™

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

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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

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Benzo[b]thiophene-2-boronic acid, 97%

CAS: 98437-23-1 Molecular Formula: C8H7BO2S Molecular Weight (g/mol): 178.01 MDL Number: MFCD01075674 InChI Key: YNCYPMUJDDXIRH-UHFFFAOYSA-N Synonym: 2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid PubChem CID: 2359 SMILES: OB(O)C1=CC2=CC=CC=C2S1

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PubChem CID	2359
CAS	98437-23-1
Molecular Weight (g/mol)	178.01
MDL Number	MFCD01075674
SMILES	OB(O)C1=CC2=CC=CC=C2S1
Synonym	2-benzothienylboronic acid,benzo b thiophen-2-ylboronic acid,benzo b thiophene-2-boronic acid,benzothiophene-2-boronic acid,1-benzothien-2-ylboronic acid,thianaphthene-2-boronic acid,benzo b thiophene-2-ylboronic acid,2-benzothiopheneboronic acid,benzothiophen-2-ylboronic acid
InChI Key	YNCYPMUJDDXIRH-UHFFFAOYSA-N
Molecular Formula	C8H7BO2S

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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

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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

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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

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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

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2-Bromo-5-nitrothiophene, 97%

CAS: 13195-50-1 Molecular Formula: C4H2BrNO2S Molecular Weight (g/mol): 208.029 MDL Number: MFCD00022493 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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Specifications

PubChem CID	83222
CAS	13195-50-1
Molecular Weight (g/mol)	208.029
MDL Number	MFCD00022493
SMILES	C1=C(SC(=C1)Br)[N+](=O)[O-]
IUPAC Name	2-bromo-5-nitrothiophene
InChI Key	ZPNFMDYBAQDFDY-UHFFFAOYSA-N
Molecular Formula	C4H2BrNO2S

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Ethyl 5-bromothiophene-2-carboxylate, 99%

CAS: 5751-83-7 Molecular Formula: C7H7BrO2S Molecular Weight (g/mol): 235.095 MDL Number: MFCD02683089 InChI Key: PZNHMXAOMDQLLE-UHFFFAOYSA-N Synonym: 5-bromothiophene-2-carboxylic acid ethyl ester,ethyl 5-bromo-2-thiophenecarboxylate,ethyl5-bromothiophene-2-carboxylate,5-bromo-thiophene-2-carboxylic acid ethyl ester,2-thiophenecarboxylic acid, 5-bromo-, ethyl ester,pubchem16118,acmc-209zz5,ksc494s9b,2-bromo-5-ethoxycarbonylthiophene,ethyl 5-bromothiophene-2carboxylate PubChem CID: 605723 IUPAC Name: ethyl 5-bromothiophene-2-carboxylate SMILES: CCOC(=O)C1=CC=C(S1)Br

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Specifications

PubChem CID	605723
CAS	5751-83-7
Molecular Weight (g/mol)	235.095
MDL Number	MFCD02683089
SMILES	CCOC(=O)C1=CC=C(S1)Br
Synonym	5-bromothiophene-2-carboxylic acid ethyl ester,ethyl 5-bromo-2-thiophenecarboxylate,ethyl5-bromothiophene-2-carboxylate,5-bromo-thiophene-2-carboxylic acid ethyl ester,2-thiophenecarboxylic acid, 5-bromo-, ethyl ester,pubchem16118,acmc-209zz5,ksc494s9b,2-bromo-5-ethoxycarbonylthiophene,ethyl 5-bromothiophene-2carboxylate
IUPAC Name	ethyl 5-bromothiophene-2-carboxylate
InChI Key	PZNHMXAOMDQLLE-UHFFFAOYSA-N
Molecular Formula	C7H7BrO2S

5-Bromo-1-benzothiophene-2-carbonyl chloride, 97%, Thermo Scientific™

CAS: 7312-14-3 Molecular Formula: C9H4BrClOS Molecular Weight (g/mol): 275.544 MDL Number: MFCD05664419 InChI Key: LRYLQGGHNAOVLT-UHFFFAOYSA-N Synonym: 5-bromobenzo b thiophene-2-carbonyl chloride,benzo b thiophene-2-carbonyl chloride, 5-bromo,5-bromo-1-benzo b thiophene-2-carbonyl chloride PubChem CID: 2795570 IUPAC Name: 5-bromo-1-benzothiophene-2-carbonyl chloride SMILES: C1=CC2=C(C=C1Br)C=C(S2)C(=O)Cl

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Specifications

PubChem CID	2795570
CAS	7312-14-3
Molecular Weight (g/mol)	275.544
MDL Number	MFCD05664419
SMILES	C1=CC2=C(C=C1Br)C=C(S2)C(=O)Cl
Synonym	5-bromobenzo b thiophene-2-carbonyl chloride,benzo b thiophene-2-carbonyl chloride, 5-bromo,5-bromo-1-benzo b thiophene-2-carbonyl chloride
IUPAC Name	5-bromo-1-benzothiophene-2-carbonyl chloride
InChI Key	LRYLQGGHNAOVLT-UHFFFAOYSA-N
Molecular Formula	C9H4BrClOS

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3-Methylbenzo[b]thiophene-2-carboxylic acid, 97%

CAS: 3133-78-6 Molecular Formula: C10H8O2S Molecular Weight (g/mol): 192.232 MDL Number: MFCD01830305 InChI Key: YVKLUKXESFJRCE-UHFFFAOYSA-N Synonym: 3-methylbenzo b thiophene-2-carboxylic acid,3-methylbenzothiophene-2-carboxylic acid,acmc-20a6oy,methylbenzothiophene-carboxylic,3-methylthianaphthene-2-carboxylic acid,3-methyl 2-benzo b thiophenecarboxylic acid,benzo b thiophene-2-carboxylicacid, 3-methyl PubChem CID: 821868 IUPAC Name: 3-methyl-1-benzothiophene-2-carboxylic acid SMILES: CC1=C(SC2=CC=CC=C12)C(=O)O

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Specifications

PubChem CID	821868
CAS	3133-78-6
Molecular Weight (g/mol)	192.232
MDL Number	MFCD01830305
SMILES	CC1=C(SC2=CC=CC=C12)C(=O)O
Synonym	3-methylbenzo b thiophene-2-carboxylic acid,3-methylbenzothiophene-2-carboxylic acid,acmc-20a6oy,methylbenzothiophene-carboxylic,3-methylthianaphthene-2-carboxylic acid,3-methyl 2-benzo b thiophenecarboxylic acid,benzo b thiophene-2-carboxylicacid, 3-methyl
IUPAC Name	3-methyl-1-benzothiophene-2-carboxylic acid
InChI Key	YVKLUKXESFJRCE-UHFFFAOYSA-N
Molecular Formula	C10H8O2S

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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

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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

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5-Fluorobenzo[b]thiophene-2-carboxylic acid, 96%

CAS: 70060-13-8 Molecular Formula: C9H5FO2S Molecular Weight (g/mol): 196.195 MDL Number: MFCD01927184 InChI Key: PLVPMOSTGNZKQQ-UHFFFAOYSA-N Synonym: 5-fluorobenzo b thiophene-2-carboxylic acid,5-fluoro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylicacid, 5-fluoro,2-carboxy-5-fluoro-1-benzothiophene,5-fluoro-2-benzo b thiophenecarboxylic acid,5-fluoro-2-benzo-b thiophenecarboxylic acid,5-fluorobenzothiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 5-fluoro PubChem CID: 901439 IUPAC Name: 5-fluoro-1-benzothiophene-2-carboxylic acid SMILES: C1=CC2=C(C=C1F)C=C(S2)C(=O)O

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Specifications

PubChem CID	901439
CAS	70060-13-8
Molecular Weight (g/mol)	196.195
MDL Number	MFCD01927184
SMILES	C1=CC2=C(C=C1F)C=C(S2)C(=O)O
Synonym	5-fluorobenzo b thiophene-2-carboxylic acid,5-fluoro-benzo b thiophene-2-carboxylic acid,benzo b thiophene-2-carboxylicacid, 5-fluoro,2-carboxy-5-fluoro-1-benzothiophene,5-fluoro-2-benzo b thiophenecarboxylic acid,5-fluoro-2-benzo-b thiophenecarboxylic acid,5-fluorobenzothiophene-2-carboxylic acid,benzo b thiophene-2-carboxylic acid, 5-fluoro
IUPAC Name	5-fluoro-1-benzothiophene-2-carboxylic acid
InChI Key	PLVPMOSTGNZKQQ-UHFFFAOYSA-N
Molecular Formula	C9H5FO2S

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5-Bromothiophene-2-carboxylic acid hydrazide, 97%

CAS: 98027-27-1 Molecular Formula: C5H5BrN2OS Molecular Weight (g/mol): 221.07 MDL Number: MFCD01310798 InChI Key: OFXZACLPQYOIAV-UHFFFAOYSA-N Synonym: 5-bromo-2-thiophenecarboxylic acid hydrazide,5-bromo-thiophene-2-carboxylic acid hydrazide,5-bromo-thiophene-2-carboxylic acidhydrazide,5-bromothiophene-2-carboxylic acid hydrazide,2-thiophenecarboxylic acid, 5-bromo-, hydrazide,pubchem16117,ksc488m6p,5-bromo-2-thiophenecarboxylic hydrazide,2-bromothiophene-5-carbohydrazide,2-thiophenecarboxylicacid, 5-bromo-, hydrazide PubChem CID: 2063863 IUPAC Name: 5-bromothiophene-2-carbohydrazide SMILES: NNC(=O)C1=CC=C(Br)S1

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PubChem CID	2063863
CAS	98027-27-1
Molecular Weight (g/mol)	221.07
MDL Number	MFCD01310798
SMILES	NNC(=O)C1=CC=C(Br)S1
Synonym	5-bromo-2-thiophenecarboxylic acid hydrazide,5-bromo-thiophene-2-carboxylic acid hydrazide,5-bromo-thiophene-2-carboxylic acidhydrazide,5-bromothiophene-2-carboxylic acid hydrazide,2-thiophenecarboxylic acid, 5-bromo-, hydrazide,pubchem16117,ksc488m6p,5-bromo-2-thiophenecarboxylic hydrazide,2-bromothiophene-5-carbohydrazide,2-thiophenecarboxylicacid, 5-bromo-, hydrazide
IUPAC Name	5-bromothiophene-2-carbohydrazide
InChI Key	OFXZACLPQYOIAV-UHFFFAOYSA-N
Molecular Formula	C5H5BrN2OS

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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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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

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Thiophene-2,5-dicarboxylic acid, 97%

CAS: 4282-31-9 Molecular Formula: C6H4O4S Molecular Weight (g/mol): 172.154 MDL Number: MFCD00016896 InChI Key: YCGAZNXXGKTASZ-UHFFFAOYSA-N Synonym: 2,5-thiophenedicarboxylic acid,2,5-dicarboxythiophene,unii-5q8a2g9y8a,2,5-thiophene dicarboxylic acid,pubchem5580,maybridge4_002021,acmc-1aj5p,ksc182i5d,2,5-thiophene-dicarboxylic acid,thiophene-2.5-dicarboxylic acid PubChem CID: 20273 IUPAC Name: thiophene-2,5-dicarboxylic acid SMILES: C1=C(SC(=C1)C(=O)O)C(=O)O

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Specifications

PubChem CID	20273
CAS	4282-31-9
Molecular Weight (g/mol)	172.154
MDL Number	MFCD00016896
SMILES	C1=C(SC(=C1)C(=O)O)C(=O)O
Synonym	2,5-thiophenedicarboxylic acid,2,5-dicarboxythiophene,unii-5q8a2g9y8a,2,5-thiophene dicarboxylic acid,pubchem5580,maybridge4_002021,acmc-1aj5p,ksc182i5d,2,5-thiophene-dicarboxylic acid,thiophene-2.5-dicarboxylic acid
IUPAC Name	thiophene-2,5-dicarboxylic acid
InChI Key	YCGAZNXXGKTASZ-UHFFFAOYSA-N
Molecular Formula	C6H4O4S

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