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

2,5-Dimethylthiophene, 98+%

CAS: 638-02-8 Molecular Formula: C6H8S Molecular Weight (g/mol): 112.19 MDL Number: MFCD00005452 InChI Key: GWQOOADXMVQEFT-UHFFFAOYSA-N Synonym: thiophene, 2,5-dimethyl,2,5-dimethyl-thiophene,unii-v6ddx6wb12,v6ddx6wb12,pubchem5194,2,5 dimethylthiophene,thiophene,5-dimethyl,2,5-dimethyl thiophene,thiophene,2,5-dimethyl,2,5-dimethyl-2h-thiolium 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
Synonym	thiophene, 2,5-dimethyl,2,5-dimethyl-thiophene,unii-v6ddx6wb12,v6ddx6wb12,pubchem5194,2,5 dimethylthiophene,thiophene,5-dimethyl,2,5-dimethyl thiophene,thiophene,2,5-dimethyl,2,5-dimethyl-2h-thiolium
IUPAC Name	2,5-dimethylthiophene
InChI Key	GWQOOADXMVQEFT-UHFFFAOYSA-N
Molecular Formula	C6H8S

3,4-Diaminothiophene dihydrochloride, 96%

CAS: 90069-81-1 Molecular Formula: C₄H₆N₂S·₂HCl Molecular Weight (g/mol): 187.09 MDL Number: MFCD00671511 InChI Key: RAMOMCXNLLLICQ-UHFFFAOYSA-N Synonym: 3,4-diaminothiophene dihydrochloride,thiophene-3,4-diamine dihydrochloride,3,4-diaminothiophenedihydrochloride,pubchem21822,acmc-209r4q,3,4-diaminothiophene 2hcl,3?4-diaminothiophene dihydrochloride,3,4-thiophenediamine, dihydrochloride,thiophene-3,4-diamine-hydrogen chloride 1/2 PubChem CID: 12707342 IUPAC Name: thiophene-3,4-diamine;dihydrochloride SMILES: C1=C(C(=CS1)N)N.Cl.Cl

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Specifications

PubChem CID	12707342
CAS	90069-81-1
Molecular Weight (g/mol)	187.09
MDL Number	MFCD00671511
SMILES	C1=C(C(=CS1)N)N.Cl.Cl
Synonym	3,4-diaminothiophene dihydrochloride,thiophene-3,4-diamine dihydrochloride,3,4-diaminothiophenedihydrochloride,pubchem21822,acmc-209r4q,3,4-diaminothiophene 2hcl,3?4-diaminothiophene dihydrochloride,3,4-thiophenediamine, dihydrochloride,thiophene-3,4-diamine-hydrogen chloride 1/2
IUPAC Name	thiophene-3,4-diamine;dihydrochloride
InChI Key	RAMOMCXNLLLICQ-UHFFFAOYSA-N
Molecular Formula	C₄H₆N₂S·₂HCl

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

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

3-(5-bromo-2-thienyl)pyridine, 97%, Thermo Scientific™

CAS: 169050-05-9 Molecular Formula: C9H6BrNS Molecular Weight (g/mol): 240.12 MDL Number: MFCD04971290 InChI Key: GJBHIXTYLYHAQD-UHFFFAOYSA-N Synonym: 3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene PubChem CID: 818817 IUPAC Name: 3-(5-bromothiophen-2-yl)pyridine SMILES: BrC1=CC=C(S1)C1=CN=CC=C1

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Specifications

PubChem CID	818817
CAS	169050-05-9
Molecular Weight (g/mol)	240.12
MDL Number	MFCD04971290
SMILES	BrC1=CC=C(S1)C1=CN=CC=C1
Synonym	3-5-bromothiophen-2-yl pyridine,3-5-bromo-2-thienyl pyridine,3-5-bromothien-2-yl pyridine,2-bromo-5-pyridin-3-ylthiophene,5-bromo-2-3-pyridyl thiophene,2-bromo-5-pyridin-3-yl thiophene
IUPAC Name	3-(5-bromothiophen-2-yl)pyridine
InChI Key	GJBHIXTYLYHAQD-UHFFFAOYSA-N
Molecular Formula	C9H6BrNS

2-chloro-3-nitrothiophene, 97%, Thermo Scientific™

CAS: 5330-98-3 Molecular Formula: C4H2ClNO2S Molecular Weight (g/mol): 163.58 MDL Number: MFCD00052159 InChI Key: OFPRGOSJWUNETN-UHFFFAOYSA-N Synonym: thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466 PubChem CID: 220186 IUPAC Name: 2-chloro-3-nitrothiophene SMILES: [O-][N+](=O)C1=C(Cl)SC=C1

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Specifications

PubChem CID	220186
CAS	5330-98-3
Molecular Weight (g/mol)	163.58
MDL Number	MFCD00052159
SMILES	[O-][N+](=O)C1=C(Cl)SC=C1
Synonym	thiophene,2-chloro-3-nitro,thiophene, 2-chloro-3-nitro,2-chloro-3-nitro-thiophene,pubchem5466
IUPAC Name	2-chloro-3-nitrothiophene
InChI Key	OFPRGOSJWUNETN-UHFFFAOYSA-N
Molecular Formula	C4H2ClNO2S

5-Pyridin-2-ylthiophene-2-carbaldehyde, Thermo Scientific™

CAS: 132706-12-8 Molecular Formula: C10H7NOS Molecular Weight (g/mol): 189.232 InChI Key: VAGVVFZWHTULBM-UHFFFAOYSA-N Synonym: 5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl PubChem CID: 605127 IUPAC Name: 5-pyridin-2-ylthiophene-2-carbaldehyde SMILES: C1=CC=NC(=C1)C2=CC=C(S2)C=O

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Specifications

PubChem CID	605127
CAS	132706-12-8
Molecular Weight (g/mol)	189.232
SMILES	C1=CC=NC(=C1)C2=CC=C(S2)C=O
Synonym	5-pyridin-2-yl thiophene-2-carbaldehyde,5-2-pyridyl thiophene-2-carbaldehyde,2-thiophenecarboxaldehyde,5-2-pyridinyl,5-pyridin-2-yl thiophene-2-carboxaldehyde,5-2-pyridinyl-2-thiophenecarboxaldehyde,pubchem16361,acmc-1c1gm,5-2-pyridinyl-2-thiophenecarbaldehyde,5-2-pyridinyl-2-thiophenecarbaldehyde #,thiophene-2-carboxaldehyde, 5-2-pyridyl
IUPAC Name	5-pyridin-2-ylthiophene-2-carbaldehyde
InChI Key	VAGVVFZWHTULBM-UHFFFAOYSA-N
Molecular Formula	C10H7NOS

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

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5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid, Technical Grade, Thermo Scientific™

CAS: 50451-84-8 Molecular Formula: C10H7ClO2S Molecular Weight (g/mol): 226.67 MDL Number: MFCD03407361 InChI Key: KEYCXZNZFABITO-UHFFFAOYSA-N Synonym: 5-chloro-3-methylbenzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzothiophene-2-carboxylic ac,5-chloro-3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzo b thiophene-2-carboxylic acid PubChem CID: 2794614 IUPAC Name: 5-chloro-3-methyl-1-benzothiophene-2-carboxylic acid SMILES: CC1=C(SC2=CC=C(Cl)C=C12)C(O)=O

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Specifications

PubChem CID	2794614
CAS	50451-84-8
Molecular Weight (g/mol)	226.67
MDL Number	MFCD03407361
SMILES	CC1=C(SC2=CC=C(Cl)C=C12)C(O)=O
Synonym	5-chloro-3-methylbenzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzothiophene-2-carboxylic ac,5-chloro-3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro3-methyl-benzo b thiophene-2-carboxylic acid,5-chloro-3-methyl-1-benzo b thiophene-2-carboxylic acid
IUPAC Name	5-chloro-3-methyl-1-benzothiophene-2-carboxylic acid
InChI Key	KEYCXZNZFABITO-UHFFFAOYSA-N
Molecular Formula	C10H7ClO2S

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

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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

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

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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

ethyle3-amino-4-(isopropylsulfonyl)-5-(methylthio)thiophene-2-carboxylate, 97%, Thermo Scientific™

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(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

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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

Methyle5-(chlorosulfonyl)-4-methyl-2-thiophenecarboxylate, 97%, Thermo Scientific™

CAS: 423768-46-1 Molecular Formula: C7H7ClO4S2 Molecular Weight (g/mol): 254.699 MDL Number: MFCD03407367 InChI Key: YWBXGHFHMHUSKH-UHFFFAOYSA-N Synonym: methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate,methyl 5-chlorosulfonyl-4-methyl-2-thiophenecarboxylate,2-thiophenecarboxylicacid, 5-chlorosulfonyl-4-methyl-, methyl ester PubChem CID: 2779815 IUPAC Name: methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate SMILES: CC1=C(SC(=C1)C(=O)OC)S(=O)(=O)Cl

Pricing and Availability
Specifications

PubChem CID	2779815
CAS	423768-46-1
Molecular Weight (g/mol)	254.699
MDL Number	MFCD03407367
SMILES	CC1=C(SC(=C1)C(=O)OC)S(=O)(=O)Cl
Synonym	methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate,methyl 5-chlorosulfonyl-4-methyl-2-thiophenecarboxylate,2-thiophenecarboxylicacid, 5-chlorosulfonyl-4-methyl-, methyl ester
IUPAC Name	methyl 5-chlorosulfonyl-4-methylthiophene-2-carboxylate
InChI Key	YWBXGHFHMHUSKH-UHFFFAOYSA-N
Molecular Formula	C7H7ClO4S2

5-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde, 90%, Thermo Scientific™

CAS: 17257-10-2 Molecular Formula: C13H8OS Molecular Weight (g/mol): 212.266 MDL Number: MFCD00126374 InChI Key: YFMUACLZRVJOBK-UHFFFAOYSA-N Synonym: 5-2-phenyleth-1-ynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carbaldehyde,5-2-phenylethynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-phenylethynyl,5-phenylethynyl-thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxylate PubChem CID: 2737140 IUPAC Name: 5-(2-phenylethynyl)thiophene-2-carbaldehyde SMILES: C1=CC=C(C=C1)C#CC2=CC=C(S2)C=O

Pricing and Availability
Specifications

PubChem CID	2737140
CAS	17257-10-2
Molecular Weight (g/mol)	212.266
MDL Number	MFCD00126374
SMILES	C1=CC=C(C=C1)C#CC2=CC=C(S2)C=O
Synonym	5-2-phenyleth-1-ynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carbaldehyde,5-2-phenylethynyl thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxaldehyde,2-thiophenecarboxaldehyde,5-2-phenylethynyl,5-phenylethynyl-thiophene-2-carbaldehyde,5-phenylethynyl thiophene-2-carboxylate
IUPAC Name	5-(2-phenylethynyl)thiophene-2-carbaldehyde
InChI Key	YFMUACLZRVJOBK-UHFFFAOYSA-N
Molecular Formula	C13H8OS

Thiophenes

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