Thiophenes

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

1 – 15 of 264 results

Thermo Scientific Acros 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

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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

Thermo Scientific Acros 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

Thermo Scientific Alfa Aesar 5-Methylthiophene-2-carboxylic acid, 98+%

CAS: 1918-79-2 Molecular Formula: C6H6O2S Molecular Weight (g/mol): 142.172 MDL Number: MFCD00005439 InChI Key: VCNGNQLPFHVODE-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenecarboxylic acid,5-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 5-methyl,2-carboxy-5-methylthiophene,5-methly-2-thiophenecarboxylic acid,5-methyl-thiophene-2-carboxylic acid,5-methyl-2-thiophene carboxylic acid,5-methylthiophen-2-carboxylic acid,2-methyl-5-thiophenecarboxylic acid,pubchem5206 PubChem CID: 74713 IUPAC Name: 5-methylthiophene-2-carboxylic acid SMILES: CC1=CC=C(S1)C(=O)O

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Specifications

PubChem CID	74713
CAS	1918-79-2
Molecular Weight (g/mol)	142.172
MDL Number	MFCD00005439
SMILES	CC1=CC=C(S1)C(=O)O
Synonym	5-methyl-2-thiophenecarboxylic acid,5-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 5-methyl,2-carboxy-5-methylthiophene,5-methly-2-thiophenecarboxylic acid,5-methyl-thiophene-2-carboxylic acid,5-methyl-2-thiophene carboxylic acid,5-methylthiophen-2-carboxylic acid,2-methyl-5-thiophenecarboxylic acid,pubchem5206
IUPAC Name	5-methylthiophene-2-carboxylic acid
InChI Key	VCNGNQLPFHVODE-UHFFFAOYSA-N
Molecular Formula	C6H6O2S

Thermo Scientific Maybridge ethyle5-(5-bromo-2-thienyl)-3-isoxazolecarboxylate, 97%, Thermo Scientific™

CAS: 423768-50-7 Molecular Formula: C10H8BrNO3S Molecular Weight (g/mol): 302.142 MDL Number: MFCD03407336 InChI Key: OIZZMDOBYXRSNQ-UHFFFAOYSA-N Synonym: ethyl 5-5-bromo-2-thienyl-3-isoxazolecarboxylate,ethyl 5-5-bromothiophen-2-yl-1,2-oxazole-3-carboxylate,ethyl 5-5-bromothiophen-2-yl isoxazole-3-carboxylate PubChem CID: 2776548 IUPAC Name: ethyl 5-(5-bromothiophen-2-yl)-1,2-oxazole-3-carboxylate SMILES: CCOC(=O)C1=NOC(=C1)C2=CC=C(S2)Br

Pricing and Availability
Specifications

PubChem CID	2776548
CAS	423768-50-7
Molecular Weight (g/mol)	302.142
MDL Number	MFCD03407336
SMILES	CCOC(=O)C1=NOC(=C1)C2=CC=C(S2)Br
Synonym	ethyl 5-5-bromo-2-thienyl-3-isoxazolecarboxylate,ethyl 5-5-bromothiophen-2-yl-1,2-oxazole-3-carboxylate,ethyl 5-5-bromothiophen-2-yl isoxazole-3-carboxylate
IUPAC Name	ethyl 5-(5-bromothiophen-2-yl)-1,2-oxazole-3-carboxylate
InChI Key	OIZZMDOBYXRSNQ-UHFFFAOYSA-N
Molecular Formula	C10H8BrNO3S

Thermo Scientific Maybridge 5-(2-Furyl)thiophene-2-carbaldehyde, ≥97%, Thermo Scientific™

CAS: 868755-64-0 Molecular Formula: C9H6O2S Molecular Weight (g/mol): 178.205 MDL Number: MFCD06410178 InChI Key: IXUVFAGSDDBEKJ-UHFFFAOYSA-N Synonym: 5-2-furyl thiophene-2-carbaldehyde,5-furan-2-yl thiophene-2-carbaldehyde,5-fur-2-yl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-furanyl,5-furan-2-yl thiophene-2-carboxaldehyde,5-2-furanyl-2-thiophenecarboxaldehyde PubChem CID: 23004862 IUPAC Name: 5-(furan-2-yl)thiophene-2-carbaldehyde SMILES: C1=COC(=C1)C2=CC=C(S2)C=O

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Specifications

PubChem CID	23004862
CAS	868755-64-0
Molecular Weight (g/mol)	178.205
MDL Number	MFCD06410178
SMILES	C1=COC(=C1)C2=CC=C(S2)C=O
Synonym	5-2-furyl thiophene-2-carbaldehyde,5-furan-2-yl thiophene-2-carbaldehyde,5-fur-2-yl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-furanyl,5-furan-2-yl thiophene-2-carboxaldehyde,5-2-furanyl-2-thiophenecarboxaldehyde
IUPAC Name	5-(furan-2-yl)thiophene-2-carbaldehyde
InChI Key	IXUVFAGSDDBEKJ-UHFFFAOYSA-N
Molecular Formula	C9H6O2S

Thermo Scientific Maybridge Thieno[2,3-b]pyrazine-6-carboxylic acid, 90%, Thermo Scientific™

CAS: 59944-79-5 Molecular Formula: C7H4N2O2S Molecular Weight (g/mol): 180.181 InChI Key: MEHCDDSVVYRWJT-UHFFFAOYSA-N Synonym: thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid PubChem CID: 7164578 IUPAC Name: thieno[2,3-b]pyrazine-6-carboxylic acid SMILES: C1=CN=C2C(=N1)C=C(S2)C(=O)O

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Specifications

PubChem CID	7164578
CAS	59944-79-5
Molecular Weight (g/mol)	180.181
SMILES	C1=CN=C2C(=N1)C=C(S2)C(=O)O
Synonym	thieno 2,3-b pyrazine-6-carboxylic acid,pubchem9882,thieno 2,3-b pyrazine-6-carboxylicacid,6-thieno 2,3-b pyrazinecarboxylic acid,thieno 3,2-b pyrazine-6-carboxylic acid,thiopheno 2,3-b pyrazine-6-carboxylic acid
IUPAC Name	thieno[2,3-b]pyrazine-6-carboxylic acid
InChI Key	MEHCDDSVVYRWJT-UHFFFAOYSA-N
Molecular Formula	C7H4N2O2S

Thermo Scientific Maybridge 5-Nitrothiophene-3-carbonitrile, 97%, Thermo Scientific™

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Thermo Scientific Maybridge 5-Methyl-1-benzothiophene-2-carbaldehyde, 97%, Thermo Scientific™

CAS: 27035-41-2 Molecular Formula: C10H8OS Molecular Weight (g/mol): 176.233 MDL Number: MFCD05865141 InChI Key: SIHFZJLPKQUYAH-UHFFFAOYSA-N Synonym: 5-methylbenzo b thiophene-2-carbaldehyde,5-methyl-benzo b thiophene-2-carbaldehyde,benzo b thiophene-2-carboxaldehyde,5-methyl,5-methylbenzothiophene-2-carboxaldehyde,5-methylbenzo b thiophene-2-carboxaldehyde,5-methyl-1-benzothiophene-2-carboxaldehyde,5-methyl-1-benzo b thiophene-2-carbaldehyde PubChem CID: 2794770 IUPAC Name: 5-methyl-1-benzothiophene-2-carbaldehyde SMILES: CC1=CC2=C(C=C1)SC(=C2)C=O

Pricing and Availability
Specifications

PubChem CID	2794770
CAS	27035-41-2
Molecular Weight (g/mol)	176.233
MDL Number	MFCD05865141
SMILES	CC1=CC2=C(C=C1)SC(=C2)C=O
Synonym	5-methylbenzo b thiophene-2-carbaldehyde,5-methyl-benzo b thiophene-2-carbaldehyde,benzo b thiophene-2-carboxaldehyde,5-methyl,5-methylbenzothiophene-2-carboxaldehyde,5-methylbenzo b thiophene-2-carboxaldehyde,5-methyl-1-benzothiophene-2-carboxaldehyde,5-methyl-1-benzo b thiophene-2-carbaldehyde
IUPAC Name	5-methyl-1-benzothiophene-2-carbaldehyde
InChI Key	SIHFZJLPKQUYAH-UHFFFAOYSA-N
Molecular Formula	C10H8OS

Thermo Scientific Maybridge 5-Pyrid-3-ylthiophene-2-carboxylic acid, 97%, Thermo Scientific™

CAS: 278803-20-6 Molecular Formula: C10H7NO2S Molecular Weight (g/mol): 205.231 MDL Number: MFCD06496471 InChI Key: HENDYXUZFUWIMG-UHFFFAOYSA-N Synonym: 5-pyrid-3-ylthiophene-2-carboxylic acid,5-pyridin-3-yl thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-3-pyridinyl,5-3-pyridyl thiophene-2-carboxylic acid,5-pyridin-3-yl-thiophene-2-carboxylic acid,5-3-pyridinyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-3-pyridinyl PubChem CID: 4739100 IUPAC Name: 5-pyridin-3-ylthiophene-2-carboxylic acid SMILES: C1=CC(=CN=C1)C2=CC=C(S2)C(=O)O

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Specifications

PubChem CID	4739100
CAS	278803-20-6
Molecular Weight (g/mol)	205.231
MDL Number	MFCD06496471
SMILES	C1=CC(=CN=C1)C2=CC=C(S2)C(=O)O
Synonym	5-pyrid-3-ylthiophene-2-carboxylic acid,5-pyridin-3-yl thiophene-2-carboxylic acid,2-thiophenecarboxylicacid, 5-3-pyridinyl,5-3-pyridyl thiophene-2-carboxylic acid,5-pyridin-3-yl-thiophene-2-carboxylic acid,5-3-pyridinyl-2-thiophenecarboxylic acid,2-thiophenecarboxylic acid, 5-3-pyridinyl
IUPAC Name	5-pyridin-3-ylthiophene-2-carboxylic acid
InChI Key	HENDYXUZFUWIMG-UHFFFAOYSA-N
Molecular Formula	C10H7NO2S

Thermo Scientific Maybridge 5-Methylthiophene-2-sulfonyl chloride, 97%, Thermo Scientific™

CAS: 55854-45-0 Molecular Formula: C5H5ClO2S2 Molecular Weight (g/mol): 196.66 MDL Number: MFCD05864499 InChI Key: QGGRRHYGHGJEKP-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 5-methyl,5-methylthiophene-2-sulfonylchloride,5-methylthiophene-2-sulphonyl chloride,5-methyl-2-thienylsulfonyl chloride,chloro 5-methyl 2-thienyl sulfone,acmc-209lpu,5-methylthiophenesulphonyl chloride,5-methyl-thiophenesulfonyl chloride,2-chlorosulphonyl-5-methylthiophene PubChem CID: 12400112 IUPAC Name: 5-methylthiophene-2-sulfonyl chloride SMILES: CC1=CC=C(S1)S(Cl)(=O)=O

Pricing and Availability
Specifications

PubChem CID	12400112
CAS	55854-45-0
Molecular Weight (g/mol)	196.66
MDL Number	MFCD05864499
SMILES	CC1=CC=C(S1)S(Cl)(=O)=O
Synonym	5-methyl-2-thiophenesulfonyl chloride,2-thiophenesulfonyl chloride, 5-methyl,5-methylthiophene-2-sulfonylchloride,5-methylthiophene-2-sulphonyl chloride,5-methyl-2-thienylsulfonyl chloride,chloro 5-methyl 2-thienyl sulfone,acmc-209lpu,5-methylthiophenesulphonyl chloride,5-methyl-thiophenesulfonyl chloride,2-chlorosulphonyl-5-methylthiophene
IUPAC Name	5-methylthiophene-2-sulfonyl chloride
InChI Key	QGGRRHYGHGJEKP-UHFFFAOYSA-N
Molecular Formula	C5H5ClO2S2

Thermo Scientific Maybridge 5-Methyl-1-benzothiophen-2-ylboronic acid, 97%, Thermo Scientific™

CAS: 136099-65-5 Molecular Formula: C9H9BO2S Molecular Weight (g/mol): 192.04 MDL Number: MFCD06200866 InChI Key: DHNHZPQPQAINDI-UHFFFAOYSA-N Synonym: 5-methylbenzo b thiophene-2-boronic acid,5-methylbenzothiphene-2-boronic acid,5-methylbenzo b thiophen-2-ylboronic acid,5-methyl-1-benzothiophen-2-yl boronic acid,5-methylbenzothiophene-2-boronic acid,2-borono-5-methylbenzo b thiophene,5-methyl-benzo b thiophen-2-ylboronic acid,5-methylbenzothiophen-2-yl boronic acid,d00wzi,5-methylbenzo b thiophen-2-yl boronic acid PubChem CID: 2794641 IUPAC Name: (5-methyl-1-benzothiophen-2-yl)boronic acid SMILES: CC1=CC=C2SC(=CC2=C1)B(O)O

Pricing and Availability
Specifications

PubChem CID	2794641
CAS	136099-65-5
Molecular Weight (g/mol)	192.04
MDL Number	MFCD06200866
SMILES	CC1=CC=C2SC(=CC2=C1)B(O)O
Synonym	5-methylbenzo b thiophene-2-boronic acid,5-methylbenzothiphene-2-boronic acid,5-methylbenzo b thiophen-2-ylboronic acid,5-methyl-1-benzothiophen-2-yl boronic acid,5-methylbenzothiophene-2-boronic acid,2-borono-5-methylbenzo b thiophene,5-methyl-benzo b thiophen-2-ylboronic acid,5-methylbenzothiophen-2-yl boronic acid,d00wzi,5-methylbenzo b thiophen-2-yl boronic acid
IUPAC Name	(5-methyl-1-benzothiophen-2-yl)boronic acid
InChI Key	DHNHZPQPQAINDI-UHFFFAOYSA-N
Molecular Formula	C9H9BO2S

Thermo Scientific Maybridge (5-pyrid-4-ylthien-2-yl)methanol, 95%, Thermo Scientific™

CAS: 138194-04-4 Molecular Formula: C10H9NOS Molecular Weight (g/mol): 191.248 MDL Number: MFCD09879963 InChI Key: GDGUQNXUEMPEKM-UHFFFAOYSA-N Synonym: 5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol PubChem CID: 15708918 IUPAC Name: (5-pyridin-4-ylthiophen-2-yl)methanol SMILES: C1=CN=CC=C1C2=CC=C(S2)CO

Pricing and Availability
Specifications

PubChem CID	15708918
CAS	138194-04-4
Molecular Weight (g/mol)	191.248
MDL Number	MFCD09879963
SMILES	C1=CN=CC=C1C2=CC=C(S2)CO
Synonym	5-pyrid-4-ylthien-2-yl methanol,5-pyridin-4-yl thiophen-2-yl methanol,5-4-pyridyl-2-thienyl methan-1-ol,5-pyridin-4-ylthiophen-2-yl methanol
IUPAC Name	(5-pyridin-4-ylthiophen-2-yl)methanol
InChI Key	GDGUQNXUEMPEKM-UHFFFAOYSA-N
Molecular Formula	C10H9NOS

Thermo Scientific Maybridge 3-(5-Bromo-2-thienyl)-5-methyl-1,2,4-oxadiazole, 97%, Thermo Scientific™

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Thermo Scientific Maybridge Thiophene-3-carboxylic acid, 97%, Thermo Scientific™

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

Pricing and Availability
Specifications

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

Thermo Scientific Maybridge 4-Bromo-5-chlorothiophene-2-sulfonyl chloride, ≥95%, Thermo Scientific™

CAS: 166964-35-8 Molecular Formula: C4HBrCl2O2S2 Molecular Weight (g/mol): 295.974 MDL Number: MFCD00052094 InChI Key: PABOKJJDABSQCK-UHFFFAOYSA-N Synonym: 3-bromo-2-chlorothiophene-5-sulfonyl chloride,4-bromo-5-chlorothiophene-2-sulphonyl chloride,4-bromo-5-chloro-2-thiophenesulfonyl chloride,4-bromo-5-chlorothiophene-2-sulphonylchloride,3-bromo-2-chlorothiophene-5-sulphonyl chloride,2-thiophenesulfonylchloride, 4-bromo-5-chloro,pubchem5475,4-bromo-5-chloro-thiophene-2-sulfonyl chloride,4-bromo-5-chlorothiophene-2-sulfonyl,4-bromanyl-5-chloranyl-thiophene-2-sulfonyl chloride PubChem CID: 2797220 IUPAC Name: 4-bromo-5-chlorothiophene-2-sulfonyl chloride SMILES: C1=C(SC(=C1Br)Cl)S(=O)(=O)Cl

Pricing and Availability
Specifications

PubChem CID	2797220
CAS	166964-35-8
Molecular Weight (g/mol)	295.974
MDL Number	MFCD00052094
SMILES	C1=C(SC(=C1Br)Cl)S(=O)(=O)Cl
Synonym	3-bromo-2-chlorothiophene-5-sulfonyl chloride,4-bromo-5-chlorothiophene-2-sulphonyl chloride,4-bromo-5-chloro-2-thiophenesulfonyl chloride,4-bromo-5-chlorothiophene-2-sulphonylchloride,3-bromo-2-chlorothiophene-5-sulphonyl chloride,2-thiophenesulfonylchloride, 4-bromo-5-chloro,pubchem5475,4-bromo-5-chloro-thiophene-2-sulfonyl chloride,4-bromo-5-chlorothiophene-2-sulfonyl,4-bromanyl-5-chloranyl-thiophene-2-sulfonyl chloride
IUPAC Name	4-bromo-5-chlorothiophene-2-sulfonyl chloride
InChI Key	PABOKJJDABSQCK-UHFFFAOYSA-N
Molecular Formula	C4HBrCl2O2S2

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