Thiophenes

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

1 – 15 of 264 results

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

2,5-Dibromo-3,4-dinitrothiophene, Thermo Scientific Chemicals

CAS: 52431-30-8 Molecular Formula: C4Br2N2O4S Molecular Weight (g/mol): 331.92 MDL Number: MFCD00015537 InChI Key: AHGHPBPARMANQD-UHFFFAOYSA-N Synonym: 2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc PubChem CID: 257024 IUPAC Name: 2,5-dibromo-3,4-dinitrothiophene SMILES: [O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O

Pricing and Availability
Specifications

PubChem CID	257024
CAS	52431-30-8
Molecular Weight (g/mol)	331.92
MDL Number	MFCD00015537
SMILES	[O-][N+](=O)C1=C(Br)SC(Br)=C1[N+]([O-])=O
Synonym	2,5-dibromo-3,4-dinitro-thiophene,thiophene, 2,5-dibromo-3,4-dinitro,acmc-1apgk,ksc491i5j,2,5-dibromo-3,4-dinitrothiophene gc
IUPAC Name	2,5-dibromo-3,4-dinitrothiophene
InChI Key	AHGHPBPARMANQD-UHFFFAOYSA-N
Molecular Formula	C4Br2N2O4S

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

2-Amino-4-methylthiophene-3-carboxamide, 98%

CAS: 4651-97-2 Molecular Formula: C6H8N2OS Molecular Weight (g/mol): 156.203 MDL Number: MFCD00052594 InChI Key: AXLIJQRGPVJGSO-UHFFFAOYSA-N Synonym: 2-amino-4-methyl-3-thiophenecarboxamide,3-thiophenecarboxamide, 2-amino-4-methyl,acmc-20a2ps,maybridge1_003931,2-amino-4-methyl-thiophen-3-carboxamid,2-amino-4-methyl-3-thiophene carboxamide,2-azanyl-4-methyl-thiophene-3-carboxamide,2-amino-4-methyl-thiophene-3-carboxylic acid amide PubChem CID: 293810 IUPAC Name: 2-amino-4-methylthiophene-3-carboxamide SMILES: CC1=CSC(=C1C(=O)N)N

Pricing and Availability
Specifications

PubChem CID	293810
CAS	4651-97-2
Molecular Weight (g/mol)	156.203
MDL Number	MFCD00052594
SMILES	CC1=CSC(=C1C(=O)N)N
Synonym	2-amino-4-methyl-3-thiophenecarboxamide,3-thiophenecarboxamide, 2-amino-4-methyl,acmc-20a2ps,maybridge1_003931,2-amino-4-methyl-thiophen-3-carboxamid,2-amino-4-methyl-3-thiophene carboxamide,2-azanyl-4-methyl-thiophene-3-carboxamide,2-amino-4-methyl-thiophene-3-carboxylic acid amide
IUPAC Name	2-amino-4-methylthiophene-3-carboxamide
InChI Key	AXLIJQRGPVJGSO-UHFFFAOYSA-N
Molecular Formula	C6H8N2OS

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

Pricing and Availability
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

3-Methylthiophene-2-carboxylic acid, 98%

CAS: 23806-24-8 Molecular Formula: C6H5O2S Molecular Weight (g/mol): 141.16 MDL Number: MFCD00005438 InChI Key: IFLKEBSJTZGCJG-UHFFFAOYSA-M Synonym: 3-methyl-2-thiophenecarboxylic acid,3-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 3-methyl,2-carboxy-3-methylthiophene,3-methyl-2-thiophene carboxylic acid,3-methyl-2-thiophenecarboxylic,3-methyl-thiophene-2-carboxylic acid,3-methyl-2-thiophenecarboxylicacid,pubchem5182,acmc-1cinc PubChem CID: 90269 IUPAC Name: 3-methylthiophene-2-carboxylic acid SMILES: CC1=C(SC=C1)C([O-])=O

Pricing and Availability
Specifications

PubChem CID	90269
CAS	23806-24-8
Molecular Weight (g/mol)	141.16
MDL Number	MFCD00005438
SMILES	CC1=C(SC=C1)C([O-])=O
Synonym	3-methyl-2-thiophenecarboxylic acid,3-methyl-2-thenoic acid,2-thiophenecarboxylic acid, 3-methyl,2-carboxy-3-methylthiophene,3-methyl-2-thiophene carboxylic acid,3-methyl-2-thiophenecarboxylic,3-methyl-thiophene-2-carboxylic acid,3-methyl-2-thiophenecarboxylicacid,pubchem5182,acmc-1cinc
IUPAC Name	3-methylthiophene-2-carboxylic acid
InChI Key	IFLKEBSJTZGCJG-UHFFFAOYSA-M
Molecular Formula	C6H5O2S

2-Bromobenzo[b]thiophene, ≥97%, Thermo Scientific™

CAS: 5394-13-8 Molecular Formula: C8H5BrS Molecular Weight (g/mol): 213.092 MDL Number: MFCD08435846 InChI Key: WIFMYMXKTAVDSQ-UHFFFAOYSA-N Synonym: 2-bromobenzo b thiophene,benzo b thiophene, 2-bromo,2-bromobenzothiophene,bromobenzothiophene,2-bromobenzthiophene,bromobenzo b thiophene,2-bromo-benzo b thiophene,2-bromobenzo b-thiophene PubChem CID: 94786 IUPAC Name: 2-bromo-1-benzothiophene SMILES: C1=CC=C2C(=C1)C=C(S2)Br

Pricing and Availability
Specifications

PubChem CID	94786
CAS	5394-13-8
Molecular Weight (g/mol)	213.092
MDL Number	MFCD08435846
SMILES	C1=CC=C2C(=C1)C=C(S2)Br
Synonym	2-bromobenzo b thiophene,benzo b thiophene, 2-bromo,2-bromobenzothiophene,bromobenzothiophene,2-bromobenzthiophene,bromobenzo b thiophene,2-bromo-benzo b thiophene,2-bromobenzo b-thiophene
IUPAC Name	2-bromo-1-benzothiophene
InChI Key	WIFMYMXKTAVDSQ-UHFFFAOYSA-N
Molecular Formula	C8H5BrS

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

4,5,6,7-Tetrahydro-benzo[c]thiophene-1-carboxylic acid, 97%, Thermo Scientific™

CAS: 6435-75-2 Molecular Formula: C9H10O2S Molecular Weight (g/mol): 182.24 MDL Number: MFCD03086149 InChI Key: ZBNTUDLPJCXPNF-UHFFFAOYSA-N Synonym: 4,5,6,7-tetrahydrobenzo c thiophene-1-carboxylic acid,4,5,6,7-tetrahydro-benzo c thiophene-1-carboxylic acid,1-carboxy-4,5,6,7-tetrahydrobenzo c thiophene,4,5,6,7-tetrahydrobenzo 2,1-c thiophenecarboxylic acid,benzo c thiophene-1-carboxylicacid, 4,5,6,7-tetrahydro,4,5,6,7-tetrahydro-2-benzo b thiophene-1-carboxylic acid PubChem CID: 299400 IUPAC Name: 4,5,6,7-tetrahydro-2-benzothiophene-1-carboxylic acid SMILES: OC(=O)C1=C2CCCCC2=CS1

Pricing and Availability
Specifications

PubChem CID	299400
CAS	6435-75-2
Molecular Weight (g/mol)	182.24
MDL Number	MFCD03086149
SMILES	OC(=O)C1=C2CCCCC2=CS1
Synonym	4,5,6,7-tetrahydrobenzo c thiophene-1-carboxylic acid,4,5,6,7-tetrahydro-benzo c thiophene-1-carboxylic acid,1-carboxy-4,5,6,7-tetrahydrobenzo c thiophene,4,5,6,7-tetrahydrobenzo 2,1-c thiophenecarboxylic acid,benzo c thiophene-1-carboxylicacid, 4,5,6,7-tetrahydro,4,5,6,7-tetrahydro-2-benzo b thiophene-1-carboxylic acid
IUPAC Name	4,5,6,7-tetrahydro-2-benzothiophene-1-carboxylic acid
InChI Key	ZBNTUDLPJCXPNF-UHFFFAOYSA-N
Molecular Formula	C9H10O2S

7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carboxylic acid, 97%, Thermo Scientific™

CAS: 879896-63-6 Molecular Formula: C7H5BrO4S Molecular Weight (g/mol): 265.077 MDL Number: MFCD08690304 InChI Key: KIURUSHZGLZLSQ-UHFFFAOYSA-N Synonym: 7-bromo-2,3-dihydrothieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thiopheno 3,4-e 1,4-dioxane-5-carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylicacid, 7-bromo-2,3-dihydro PubChem CID: 18525889 IUPAC Name: 5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-7-carboxylic acid SMILES: C1COC2=C(SC(=C2O1)C(=O)O)Br

Pricing and Availability
Specifications

PubChem CID	18525889
CAS	879896-63-6
Molecular Weight (g/mol)	265.077
MDL Number	MFCD08690304
SMILES	C1COC2=C(SC(=C2O1)C(=O)O)Br
Synonym	7-bromo-2,3-dihydrothieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thieno 3,4-b 1,4 dioxine-5-carboxylic acid,7-bromo-2h,3h-thiopheno 3,4-e 1,4-dioxane-5-carboxylic acid,thieno 3,4-b-1,4-dioxin-5-carboxylicacid, 7-bromo-2,3-dihydro
IUPAC Name	5-bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-7-carboxylic acid
InChI Key	KIURUSHZGLZLSQ-UHFFFAOYSA-N
Molecular Formula	C7H5BrO4S

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

Pricing and Availability
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-Methyl-2-thiophenecarboxaldehyde, 98%

CAS: 13679-70-4 Molecular Formula: C₆H₆OS Molecular Weight (g/mol): 126.18 MDL Number: MFCD00005434 InChI Key: VAUMDUIUEPIGHM-UHFFFAOYSA-N Synonym: 5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde PubChem CID: 61663 IUPAC Name: 5-methylthiophene-2-carbaldehyde SMILES: CC1=CC=C(S1)C=O

Pricing and Availability
Specifications

PubChem CID	61663
CAS	13679-70-4
Molecular Weight (g/mol)	126.18
MDL Number	MFCD00005434
SMILES	CC1=CC=C(S1)C=O
Synonym	5-methyl-2-thiophenecarboxaldehyde,5-methylthiophene-2-carboxaldehyde,5-methyl-2-thiophenecarbaldehyde,2-formyl-5-methylthiophene,5-methyl-2-formylthiophene,2-thiophenecarboxaldehyde, 5-methyl,5-methylthiophene-2-aldehyde,5-methyl-2-thenaldehyde,5-methyl-2-thiophencarboxaldehyde,5-methyl-2-thiophene carboxaldehyde
IUPAC Name	5-methylthiophene-2-carbaldehyde
InChI Key	VAUMDUIUEPIGHM-UHFFFAOYSA-N
Molecular Formula	C₆H₆OS

Benzo[b]thiophene-2-carboxamide, 97%

CAS: 6314-42-7 Molecular Formula: C9H7NOS Molecular Weight (g/mol): 177.221 MDL Number: MFCD00052505 InChI Key: GYSCBCSGKXNZRH-UHFFFAOYSA-N Synonym: benzo b thiophene-2-carboxamide,thianaphthene-2-carboxamide,benzothiophene carboxamide,2-benzo b thiophenecarboxamide,# PubChem CID: 237073 IUPAC Name: 1-benzothiophene-2-carboxamide SMILES: C1=CC=C2C(=C1)C=C(S2)C(=O)N

Pricing and Availability
Specifications

PubChem CID	237073
CAS	6314-42-7
Molecular Weight (g/mol)	177.221
MDL Number	MFCD00052505
SMILES	C1=CC=C2C(=C1)C=C(S2)C(=O)N
Synonym	benzo b thiophene-2-carboxamide,thianaphthene-2-carboxamide,benzothiophene carboxamide,2-benzo b thiophenecarboxamide,#
IUPAC Name	1-benzothiophene-2-carboxamide
InChI Key	GYSCBCSGKXNZRH-UHFFFAOYSA-N
Molecular Formula	C9H7NOS

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

Pricing and Availability
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

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

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