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 262 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

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-[(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

3-(1,3-Dioxolan-2-yl)-2-thiophenecarboxylic acid, 97%, Thermo Scientific™

CAS: 934570-44-2 Molecular Formula: C8H8O4S Molecular Weight (g/mol): 200.21 MDL Number: MFCD09702391 InChI Key: ZODQJPSGAHBVHU-UHFFFAOYSA-N Synonym: 3-1,3-dioxolan-2-yl thiophene-2-carboxylic acid,3-1,3-dioxolan-2-yl-2-thiophenecarboxylic acid,2-2-carboxythien-3-yl-1,3-dioxolane,3-1,3-dioxolan-2-yl thiophene-2-carboxylicacid,2-thiophenecarboxylicacid, 3-1,3-dioxolan-2-yl PubChem CID: 24229593 IUPAC Name: 3-(1,3-dioxolan-2-yl)thiophene-2-carboxylic acid SMILES: OC(=O)C1=C(C=CS1)C1OCCO1

Pricing and Availability
Specifications

PubChem CID	24229593
CAS	934570-44-2
Molecular Weight (g/mol)	200.21
MDL Number	MFCD09702391
SMILES	OC(=O)C1=C(C=CS1)C1OCCO1
Synonym	3-1,3-dioxolan-2-yl thiophene-2-carboxylic acid,3-1,3-dioxolan-2-yl-2-thiophenecarboxylic acid,2-2-carboxythien-3-yl-1,3-dioxolane,3-1,3-dioxolan-2-yl thiophene-2-carboxylicacid,2-thiophenecarboxylicacid, 3-1,3-dioxolan-2-yl
IUPAC Name	3-(1,3-dioxolan-2-yl)thiophene-2-carboxylic acid
InChI Key	ZODQJPSGAHBVHU-UHFFFAOYSA-N
Molecular Formula	C8H8O4S

1,3-Dimethyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid, 95+%, Thermo Scientific™

CAS: 25252-46-4 Molecular Formula: C8H8N2O2S Molecular Weight (g/mol): 196.224 InChI Key: QRANSYHQSVJLHX-UHFFFAOYSA-N Synonym: 1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylic acid,1,3-dimethylthieno 2,3-c pyrazole-5-carboxylic acid,1h-thieno 2,3-c pyrazole-5-carboxylic acid, 1,3-dimethyl,1h-thieno 2,3-c pyrazole-5-carboxylicacid, 1,3-dimethyl,4fzj,1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylicacid,unavailable-see asdi_catno 500021541,5-carboxy-1,3-dimethyl-1h-thieno 2,3-c pyrazole,1,3-dimethylthiopheno 3,2-d pyrazole-5-carboxylic acid,1,3-dimethyl-1h-thieno 2,3-c-pyrazole-5-carboxylic acid PubChem CID: 2776541 IUPAC Name: 1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid SMILES: CC1=NN(C2=C1C=C(S2)C(=O)O)C

Pricing and Availability
Specifications

PubChem CID	2776541
CAS	25252-46-4
Molecular Weight (g/mol)	196.224
SMILES	CC1=NN(C2=C1C=C(S2)C(=O)O)C
Synonym	1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylic acid,1,3-dimethylthieno 2,3-c pyrazole-5-carboxylic acid,1h-thieno 2,3-c pyrazole-5-carboxylic acid, 1,3-dimethyl,1h-thieno 2,3-c pyrazole-5-carboxylicacid, 1,3-dimethyl,4fzj,1,3-dimethyl-1h-thieno 2,3-c pyrazole-5-carboxylicacid,unavailable-see asdi_catno 500021541,5-carboxy-1,3-dimethyl-1h-thieno 2,3-c pyrazole,1,3-dimethylthiopheno 3,2-d pyrazole-5-carboxylic acid,1,3-dimethyl-1h-thieno 2,3-c-pyrazole-5-carboxylic acid
IUPAC Name	1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylic acid
InChI Key	QRANSYHQSVJLHX-UHFFFAOYSA-N
Molecular Formula	C8H8N2O2S

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

Pricing and Availability
Specifications

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

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

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

Pricing and Availability

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

CAS: 86010-32-4 Molecular Formula: C9H4ClNO3S Molecular Weight (g/mol): 241.65 MDL Number: MFCD04115400 InChI Key: KOJDFXDLYGKDEK-UHFFFAOYSA-N Synonym: 5-nitrobenzo b thiophene-2-carbonyl chloride,5-nitrobenzothiophene-2-carboxoyl chloride,5-nitro-1-benzo b thiophene-2-carbonyl chloride PubChem CID: 2794619 IUPAC Name: 5-nitro-1-benzothiophene-2-carbonyl chloride SMILES: [O-][N+](=O)C1=CC=C2SC(=CC2=C1)C(Cl)=O

Pricing and Availability
Specifications

PubChem CID	2794619
CAS	86010-32-4
Molecular Weight (g/mol)	241.65
MDL Number	MFCD04115400
SMILES	[O-][N+](=O)C1=CC=C2SC(=CC2=C1)C(Cl)=O
Synonym	5-nitrobenzo b thiophene-2-carbonyl chloride,5-nitrobenzothiophene-2-carboxoyl chloride,5-nitro-1-benzo b thiophene-2-carbonyl chloride
IUPAC Name	5-nitro-1-benzothiophene-2-carbonyl chloride
InChI Key	KOJDFXDLYGKDEK-UHFFFAOYSA-N
Molecular Formula	C9H4ClNO3S

2-Nitrothiophene, tech. 85%

CAS: 609-40-5 Molecular Formula: C4H3NO2S Molecular Weight (g/mol): 129.133 MDL Number: MFCD00005425 InChI Key: JIZRGGUCOQKGQD-UHFFFAOYSA-N Synonym: thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw PubChem CID: 11866 IUPAC Name: 2-nitrothiophene SMILES: C1=CSC(=C1)[N+](=O)[O-]

Pricing and Availability
Specifications

PubChem CID	11866
CAS	609-40-5
Molecular Weight (g/mol)	129.133
MDL Number	MFCD00005425
SMILES	C1=CSC(=C1)[N+](=O)[O-]
Synonym	thiophene, 2-nitro,2-nitro-thiophene,2-nitro thiophene,2-nitrothiophene, tech,nitrothiophene,2-nitrothiofene,pubchem5570,2-nitrothiophene, tech.,acmc-1aw2t,wln: t5sj bnw
IUPAC Name	2-nitrothiophene
InChI Key	JIZRGGUCOQKGQD-UHFFFAOYSA-N
Molecular Formula	C4H3NO2S

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-Methyl-1-benzothiophene-2-sulfonyl chloride, Thermo Scientific™

CAS: 90273-30-6 Molecular Formula: C9H7ClO2S2 Molecular Weight (g/mol): 246.72 MDL Number: MFCD06200880 InChI Key: YGGJYXHTCDQVDB-UHFFFAOYSA-N Synonym: 5-methylbenzothiophene-2-sulfonyl chloride,5-methylbenzo b thiophene-2-sulfonyl chloride,benzo b thiophene-2-sulfonyl chloride, 5-methyl,5-methyl-1-benzothiophene-2-sulfonylchloride,5-methyl-benzo b thiophenesulfonyl chloride,5-methyl-benzothiophene-2-sulfonyl chloride,chloro 5-methylbenzo b thiophen-2-yl sulfone,benzo b thiophene-2-sulfonylchloride, 5-methyl PubChem CID: 2794771 IUPAC Name: 5-methyl-1-benzothiophene-2-sulfonyl chloride SMILES: CC1=CC=C2SC(=CC2=C1)S(Cl)(=O)=O

Pricing and Availability
Specifications

PubChem CID	2794771
CAS	90273-30-6
Molecular Weight (g/mol)	246.72
MDL Number	MFCD06200880
SMILES	CC1=CC=C2SC(=CC2=C1)S(Cl)(=O)=O
Synonym	5-methylbenzothiophene-2-sulfonyl chloride,5-methylbenzo b thiophene-2-sulfonyl chloride,benzo b thiophene-2-sulfonyl chloride, 5-methyl,5-methyl-1-benzothiophene-2-sulfonylchloride,5-methyl-benzo b thiophenesulfonyl chloride,5-methyl-benzothiophene-2-sulfonyl chloride,chloro 5-methylbenzo b thiophen-2-yl sulfone,benzo b thiophene-2-sulfonylchloride, 5-methyl
IUPAC Name	5-methyl-1-benzothiophene-2-sulfonyl chloride
InChI Key	YGGJYXHTCDQVDB-UHFFFAOYSA-N
Molecular Formula	C9H7ClO2S2

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

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

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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