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Bi- and oligothiophenes

Organic compounds that contain two or more thiophene rings bridged together; thiophenes are a five-membered ring with four carbon atoms and one sulfur atom. Oligothiophenes are important organic electronic materials.
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1 – 15 of 42 results
1

2,2':5',2″-Terthiophene, 99%

CAS: 1081-34-1 Molecular Formula: C12H8S3 Molecular Weight (g/mol): 248.376 MDL Number: MFCD00012167 InChI Key: KXSFECAJUBPPFE-UHFFFAOYSA-N Synonym: 2,2':5',2-terthiophene,alpha-terthienyl,alpha-terthiophene,2,5-di 2-thienyl thiophene,2,2',5',2-terthienyl,2,5-bis 2-thienyl thiophene,unii-0p77rau2rr,2,2'-5',2-terthiophene,0p77rau2rr,2,2':5',2-terthienyl PubChem CID: 65067 ChEBI: CHEBI:10335 IUPAC Name: 2,5-dithiophen-2-ylthiophene SMILES: C1=CSC(=C1)C2=CC=C(S2)C3=CC=CS3

PubChem CID 65067
CAS 1081-34-1
Molecular Weight (g/mol) 248.376
ChEBI CHEBI:10335
MDL Number MFCD00012167
SMILES C1=CSC(=C1)C2=CC=C(S2)C3=CC=CS3
Synonym 2,2':5',2-terthiophene,alpha-terthienyl,alpha-terthiophene,2,5-di 2-thienyl thiophene,2,2',5',2-terthienyl,2,5-bis 2-thienyl thiophene,unii-0p77rau2rr,2,2'-5',2-terthiophene,0p77rau2rr,2,2':5',2-terthienyl
IUPAC Name 2,5-dithiophen-2-ylthiophene
InChI Key KXSFECAJUBPPFE-UHFFFAOYSA-N
Molecular Formula C12H8S3
2

5,5'-Dibromo-2,2'-bithiophene, 98%

CAS: 4805-22-5 Molecular Formula: C8H4Br2S2 Molecular Weight (g/mol): 324.048 MDL Number: MFCD00219110 InChI Key: SXNCMLQAQIGJDO-UHFFFAOYSA-N Synonym: 5,5'-dibromo-2,2'-bithiophene,2-bromo-5-5-bromothiophen-2-yl thiophene,5,5-dibromo-2,2-bithiophene,2,2'-bithiophene, 5,5'-dibromo,5,5'-bis 2-bromothiophene,5,5'-dibromo-2,2'bithiophene,5,5'-dibromo-2,2-bithiophene,maybridge4_002009,acmc-209kc4,ksc491i4r PubChem CID: 638908 IUPAC Name: 2-bromo-5-(5-bromothiophen-2-yl)thiophene SMILES: C1=C(SC(=C1)Br)C2=CC=C(S2)Br

PubChem CID 638908
CAS 4805-22-5
Molecular Weight (g/mol) 324.048
MDL Number MFCD00219110
SMILES C1=C(SC(=C1)Br)C2=CC=C(S2)Br
Synonym 5,5'-dibromo-2,2'-bithiophene,2-bromo-5-5-bromothiophen-2-yl thiophene,5,5-dibromo-2,2-bithiophene,2,2'-bithiophene, 5,5'-dibromo,5,5'-bis 2-bromothiophene,5,5'-dibromo-2,2'bithiophene,5,5'-dibromo-2,2-bithiophene,maybridge4_002009,acmc-209kc4,ksc491i4r
IUPAC Name 2-bromo-5-(5-bromothiophen-2-yl)thiophene
InChI Key SXNCMLQAQIGJDO-UHFFFAOYSA-N
Molecular Formula C8H4Br2S2
3

2,2'-Bithiophene, 98%

CAS: 492-97-7 Molecular Formula: C8H6S2 Molecular Weight (g/mol): 166.256 MDL Number: MFCD00005414 InChI Key: OHZAHWOAMVVGEL-UHFFFAOYSA-N Synonym: 2,2'-bithiophene,2,2'-bithienyl,dithienyl,bithiophene,2,2'-dithienyl,2,2' bithiophenyl,2,2-bithiophene,2,2'-dithiophene,alpha-bithiophene,2-2-thienyl thiophene PubChem CID: 68120 ChEBI: CHEBI:36821 IUPAC Name: 2-thiophen-2-ylthiophene SMILES: C1=CSC(=C1)C2=CC=CS2

PubChem CID 68120
CAS 492-97-7
Molecular Weight (g/mol) 166.256
ChEBI CHEBI:36821
MDL Number MFCD00005414
SMILES C1=CSC(=C1)C2=CC=CS2
Synonym 2,2'-bithiophene,2,2'-bithienyl,dithienyl,bithiophene,2,2'-dithienyl,2,2' bithiophenyl,2,2-bithiophene,2,2'-dithiophene,alpha-bithiophene,2-2-thienyl thiophene
IUPAC Name 2-thiophen-2-ylthiophene
InChI Key OHZAHWOAMVVGEL-UHFFFAOYSA-N
Molecular Formula C8H6S2
4

5,5'-Dimethyl-2,2'-bithiophene, 99%

CAS: 16303-58-5 Molecular Formula: C10H10S2 Molecular Weight (g/mol): 194.32 MDL Number: MFCD01927313 InChI Key: DKHDQTBBXQMFPP-UHFFFAOYSA-N Synonym: 5,5'-dimethyl-2,2'-bithiophene,5,5'-dimethyl-2,2'-bithiophenyl,2-methyl-5-5-methylthiophen-2-yl thiophene,2,2'-bi 5-methylthiophene,2,2'-bithiophene,5,5'-dimethyl,5,5'-dimethyl-2,2' bithiophenyl,5-methyl-2-5-methyl 2-thienyl thiophene PubChem CID: 284486 IUPAC Name: 2-methyl-5-(5-methylthiophen-2-yl)thiophene SMILES: CC1=CC=C(S1)C2=CC=C(S2)C

PubChem CID 284486
CAS 16303-58-5
Molecular Weight (g/mol) 194.32
MDL Number MFCD01927313
SMILES CC1=CC=C(S1)C2=CC=C(S2)C
Synonym 5,5'-dimethyl-2,2'-bithiophene,5,5'-dimethyl-2,2'-bithiophenyl,2-methyl-5-5-methylthiophen-2-yl thiophene,2,2'-bi 5-methylthiophene,2,2'-bithiophene,5,5'-dimethyl,5,5'-dimethyl-2,2' bithiophenyl,5-methyl-2-5-methyl 2-thienyl thiophene
IUPAC Name 2-methyl-5-(5-methylthiophen-2-yl)thiophene
InChI Key DKHDQTBBXQMFPP-UHFFFAOYSA-N
Molecular Formula C10H10S2
5

2,2'-Bithiophene, 97%

CAS: 492-97-7 Molecular Formula: C8H6S2 Molecular Weight (g/mol): 166.27 MDL Number: MFCD00005414 InChI Key: OHZAHWOAMVVGEL-UHFFFAOYSA-N Synonym: 2,2'-bithiophene,2,2'-bithienyl,dithienyl,bithiophene,2,2'-dithienyl,2,2' bithiophenyl,2,2-bithiophene,2,2'-dithiophene,alpha-bithiophene,2-2-thienyl thiophene PubChem CID: 68120 ChEBI: CHEBI:36821 IUPAC Name: 2-thiophen-2-ylthiophene SMILES: C1=CSC(=C1)C2=CC=CS2

PubChem CID 68120
CAS 492-97-7
Molecular Weight (g/mol) 166.27
ChEBI CHEBI:36821
MDL Number MFCD00005414
SMILES C1=CSC(=C1)C2=CC=CS2
Synonym 2,2'-bithiophene,2,2'-bithienyl,dithienyl,bithiophene,2,2'-dithienyl,2,2' bithiophenyl,2,2-bithiophene,2,2'-dithiophene,alpha-bithiophene,2-2-thienyl thiophene
IUPAC Name 2-thiophen-2-ylthiophene
InChI Key OHZAHWOAMVVGEL-UHFFFAOYSA-N
Molecular Formula C8H6S2
6

2,2-Bithiophene-5-carboxylic acid, 97%, Thermo Scientific™

CAS: 2060-55-1 Molecular Formula: C9H6O2S2 Molecular Weight (g/mol): 210.265 InChI Key: PTNWHEHDBNNKEO-UHFFFAOYSA-N Synonym: 2,2'-bithiophene-5-carboxylic acid,5-thiophen-2-yl thiophene-2-carboxylic acid,2,2-bithiophene-5-carboxylic acid,2,2'-bithiophene-5-carboxylicacid,2,2' bithiophenyl-5-carboxylic acid,2,2'-bithiophene-5-ca,5-carboxy-2,2'-bithiophene,2,2'-bithienyl-5'-carboxylic,5-2-thienyl-2-thiophenecarboxylic acid PubChem CID: 150965 IUPAC Name: 5-thiophen-2-ylthiophene-2-carboxylic acid SMILES: C1=CSC(=C1)C2=CC=C(S2)C(=O)O

PubChem CID 150965
CAS 2060-55-1
Molecular Weight (g/mol) 210.265
SMILES C1=CSC(=C1)C2=CC=C(S2)C(=O)O
Synonym 2,2'-bithiophene-5-carboxylic acid,5-thiophen-2-yl thiophene-2-carboxylic acid,2,2-bithiophene-5-carboxylic acid,2,2'-bithiophene-5-carboxylicacid,2,2' bithiophenyl-5-carboxylic acid,2,2'-bithiophene-5-ca,5-carboxy-2,2'-bithiophene,2,2'-bithienyl-5'-carboxylic,5-2-thienyl-2-thiophenecarboxylic acid
IUPAC Name 5-thiophen-2-ylthiophene-2-carboxylic acid
InChI Key PTNWHEHDBNNKEO-UHFFFAOYSA-N
Molecular Formula C9H6O2S2
7

4-Chloro-5-(2-thienyl)thieno[2,3-d]pyrimidine, 97%

CAS: 189681-04-7 Molecular Formula: C10H5ClN2S2 Molecular Weight (g/mol): 252.73 MDL Number: MFCD00174019 InChI Key: VNWBUFWVNCUUKY-UHFFFAOYSA-N Synonym: 4-chloro-5-2-thienyl thieno 2,3-d pyrimidine,4-chloro-5-thiophen-2-yl thieno 2,3-d pyrimidine,thieno 2,3-d pyrimidine,4-chloro-5-2-thienyl,4-chloro-5-2-thienyl thiopheno 2,3-d pyrimidine,4-chloro-5-thiophen-2-ylthieno 2,3-d pyrimidine PubChem CID: 735732 IUPAC Name: 4-chloro-5-thiophen-2-ylthieno[2,3-d]pyrimidine SMILES: ClC1=C2C(SC=C2C2=CC=CS2)=NC=N1

PubChem CID 735732
CAS 189681-04-7
Molecular Weight (g/mol) 252.73
MDL Number MFCD00174019
SMILES ClC1=C2C(SC=C2C2=CC=CS2)=NC=N1
Synonym 4-chloro-5-2-thienyl thieno 2,3-d pyrimidine,4-chloro-5-thiophen-2-yl thieno 2,3-d pyrimidine,thieno 2,3-d pyrimidine,4-chloro-5-2-thienyl,4-chloro-5-2-thienyl thiopheno 2,3-d pyrimidine,4-chloro-5-thiophen-2-ylthieno 2,3-d pyrimidine
IUPAC Name 4-chloro-5-thiophen-2-ylthieno[2,3-d]pyrimidine
InChI Key VNWBUFWVNCUUKY-UHFFFAOYSA-N
Molecular Formula C10H5ClN2S2
8

2,2'-Bithiophene-5-boronic acid pinacol ester, 98%

CAS: 479719-88-5 Molecular Formula: C14H17BO2S2 Molecular Weight (g/mol): 292.22 MDL Number: MFCD04039974 InChI Key: HPOQARMSOPOZMW-UHFFFAOYSA-N Synonym: 2,2'-bithiophene-5-boronic acid pinacol ester,5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,2'-bithiophene,2-2,2'-bithiophen-5-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-thiophen-2-yl thiophen-2-yl-1,3,2-dioxaborolane,acmc-209kb7,4,4,5,5-tetramethyl-2-5-thiophen-2-ylthiophen-2-yl-1,3,2-dioxaborolane,2,2'-bithiophene-5'-boronic acid pinacol ester PubChem CID: 3592790 IUPAC Name: 4,4,5,5-tetramethyl-2-(5-thiophen-2-ylthiophen-2-yl)-1,3,2-dioxaborolane SMILES: CC1(C)OB(OC1(C)C)C1=CC=C(S1)C1=CC=CS1

PubChem CID 3592790
CAS 479719-88-5
Molecular Weight (g/mol) 292.22
MDL Number MFCD04039974
SMILES CC1(C)OB(OC1(C)C)C1=CC=C(S1)C1=CC=CS1
Synonym 2,2'-bithiophene-5-boronic acid pinacol ester,5-4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl-2,2'-bithiophene,2-2,2'-bithiophen-5-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,4,4,5,5-tetramethyl-2-5-thiophen-2-yl thiophen-2-yl-1,3,2-dioxaborolane,acmc-209kb7,4,4,5,5-tetramethyl-2-5-thiophen-2-ylthiophen-2-yl-1,3,2-dioxaborolane,2,2'-bithiophene-5'-boronic acid pinacol ester
IUPAC Name 4,4,5,5-tetramethyl-2-(5-thiophen-2-ylthiophen-2-yl)-1,3,2-dioxaborolane
InChI Key HPOQARMSOPOZMW-UHFFFAOYSA-N
Molecular Formula C14H17BO2S2
9

5'-Formyl-2,2'-bithiophene-5-boronic Acid (contains varying amounts of Anhydride), TCI America™

CAS: 1369328-62-0 Molecular Formula: C9H7BO3S2 Molecular Weight (g/mol): 238.082 InChI Key: RDIOTSOSMWVMSX-UHFFFAOYSA-N Synonym: 5-(5-Formyl-2-thienyl)-2-thiopheneboronic Acid PubChem CID: 44629969 IUPAC Name: [5-(5-formylthiophen-2-yl)thiophen-2-yl]boronic acid SMILES: B(C1=CC=C(S1)C2=CC=C(S2)C=O)(O)O

PubChem CID 44629969
CAS 1369328-62-0
Molecular Weight (g/mol) 238.082
SMILES B(C1=CC=C(S1)C2=CC=C(S2)C=O)(O)O
Synonym 5-(5-Formyl-2-thienyl)-2-thiopheneboronic Acid
IUPAC Name [5-(5-formylthiophen-2-yl)thiophen-2-yl]boronic acid
InChI Key RDIOTSOSMWVMSX-UHFFFAOYSA-N
Molecular Formula C9H7BO3S2
10

3,4'-Dihexyl-2,2'-bithiophene 96.0+%, TCI America™

CAS: 135926-93-1 Molecular Formula: C20H30S2 Molecular Weight (g/mol): 334.58 MDL Number: MFCD15072161 InChI Key: FWQMKAFKIYUBKB-UHFFFAOYSA-N PubChem CID: 11348225 IUPAC Name: 3,4'-dihexyl-2,2'-bithiophene SMILES: CCCCCCC1=CSC(=C1)C1=C(CCCCCC)C=CS1

PubChem CID 11348225
CAS 135926-93-1
Molecular Weight (g/mol) 334.58
MDL Number MFCD15072161
SMILES CCCCCCC1=CSC(=C1)C1=C(CCCCCC)C=CS1
IUPAC Name 3,4'-dihexyl-2,2'-bithiophene
InChI Key FWQMKAFKIYUBKB-UHFFFAOYSA-N
Molecular Formula C20H30S2
11

3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene 98.0+%, TCI America™

CAS: 207742-50-5 Molecular Formula: C14H20Br2S2Si2 Molecular Weight (g/mol): 468.412 InChI Key: ZKCVPMCCGPMMBH-UHFFFAOYSA-N PubChem CID: 15860540 IUPAC Name: [4-bromo-5-(3-bromo-5-trimethylsilylthiophen-2-yl)thiophen-2-yl]-trimethylsilane SMILES: C[Si](C)(C)C1=CC(=C(S1)C2=C(C=C(S2)[Si](C)(C)C)Br)Br

PubChem CID 15860540
CAS 207742-50-5
Molecular Weight (g/mol) 468.412
SMILES C[Si](C)(C)C1=CC(=C(S1)C2=C(C=C(S2)[Si](C)(C)C)Br)Br
IUPAC Name [4-bromo-5-(3-bromo-5-trimethylsilylthiophen-2-yl)thiophen-2-yl]-trimethylsilane
InChI Key ZKCVPMCCGPMMBH-UHFFFAOYSA-N
Molecular Formula C14H20Br2S2Si2
12

5,5'-Dibromo-2,2'-bithiophene 98.0+%, TCI America™

CAS: 4805-22-5 Molecular Formula: C8H4Br2S2 Molecular Weight (g/mol): 324.048 MDL Number: MFCD00219110 InChI Key: SXNCMLQAQIGJDO-UHFFFAOYSA-N Synonym: 5,5'-dibromo-2,2'-bithiophene,2-bromo-5-5-bromothiophen-2-yl thiophene,5,5-dibromo-2,2-bithiophene,2,2'-bithiophene, 5,5'-dibromo,5,5'-bis 2-bromothiophene,5,5'-dibromo-2,2'bithiophene,5,5'-dibromo-2,2-bithiophene,maybridge4_002009,acmc-209kc4,ksc491i4r PubChem CID: 638908 IUPAC Name: 2-bromo-5-(5-bromothiophen-2-yl)thiophene SMILES: C1=C(SC(=C1)Br)C2=CC=C(S2)Br

PubChem CID 638908
CAS 4805-22-5
Molecular Weight (g/mol) 324.048
MDL Number MFCD00219110
SMILES C1=C(SC(=C1)Br)C2=CC=C(S2)Br
Synonym 5,5'-dibromo-2,2'-bithiophene,2-bromo-5-5-bromothiophen-2-yl thiophene,5,5-dibromo-2,2-bithiophene,2,2'-bithiophene, 5,5'-dibromo,5,5'-bis 2-bromothiophene,5,5'-dibromo-2,2'bithiophene,5,5'-dibromo-2,2-bithiophene,maybridge4_002009,acmc-209kc4,ksc491i4r
IUPAC Name 2-bromo-5-(5-bromothiophen-2-yl)thiophene
InChI Key SXNCMLQAQIGJDO-UHFFFAOYSA-N
Molecular Formula C8H4Br2S2
13

3,3'-Dibromo-2,2'-bithiophene 98.0+%, TCI America™

CAS: 51751-44-1 Molecular Formula: C8H4Br2S2 Molecular Weight (g/mol): 324.05 MDL Number: MFCD00114806 InChI Key: KBRZCEVRNLKHAZ-UHFFFAOYSA-N PubChem CID: 819087 IUPAC Name: 3,3'-dibromo-2,2'-bithiophene SMILES: BrC1=C(SC=C1)C1=C(Br)C=CS1

PubChem CID 819087
CAS 51751-44-1
Molecular Weight (g/mol) 324.05
MDL Number MFCD00114806
SMILES BrC1=C(SC=C1)C1=C(Br)C=CS1
IUPAC Name 3,3'-dibromo-2,2'-bithiophene
InChI Key KBRZCEVRNLKHAZ-UHFFFAOYSA-N
Molecular Formula C8H4Br2S2
14

2,5-Di(2-thienyl)thieno[3,2-b]thiophene 94.0+%, TCI America™

CAS: 21210-90-2 Molecular Formula: C14H8S4 Molecular Weight (g/mol): 304.46 MDL Number: MFCD11114556 InChI Key: FDQXVHKNZBLBFY-UHFFFAOYSA-N PubChem CID: 11738270 IUPAC Name: 2-[5-(thiophen-2-yl)thieno[3,2-b]thiophen-2-yl]thiophene SMILES: S1C=CC=C1C1=CC2=C(S1)C=C(S2)C1=CC=CS1

PubChem CID 11738270
CAS 21210-90-2
Molecular Weight (g/mol) 304.46
MDL Number MFCD11114556
SMILES S1C=CC=C1C1=CC2=C(S1)C=C(S2)C1=CC=CS1
IUPAC Name 2-[5-(thiophen-2-yl)thieno[3,2-b]thiophen-2-yl]thiophene
InChI Key FDQXVHKNZBLBFY-UHFFFAOYSA-N
Molecular Formula C14H8S4
15

5,5‴-Dihexyl-2,2':5',2″:5″,2‴-quaterthio 98+%, TCI America™

CAS: 132814-92-7 Molecular Formula: C28H34S4 Molecular Weight (g/mol): 498.82 MDL Number: MFCD21396218 InChI Key: KGJQHEPGNCWZRN-UHFFFAOYSA-N Synonym: alpha,omega-Dihexylquaterthiophene PubChem CID: 10720155 IUPAC Name: 2-hexyl-5-[5-[5-(5-hexylthiophen-2-yl)thiophen-2-yl]thiophen-2-yl]thiophene SMILES: CCCCCCC1=CC=C(S1)C2=CC=C(S2)C3=CC=C(S3)C4=CC=C(S4)CCCCCC

PubChem CID 10720155
CAS 132814-92-7
Molecular Weight (g/mol) 498.82
MDL Number MFCD21396218
SMILES CCCCCCC1=CC=C(S1)C2=CC=C(S2)C3=CC=C(S3)C4=CC=C(S4)CCCCCC
Synonym alpha,omega-Dihexylquaterthiophene
IUPAC Name 2-hexyl-5-[5-[5-(5-hexylthiophen-2-yl)thiophen-2-yl]thiophen-2-yl]thiophene
InChI Key KGJQHEPGNCWZRN-UHFFFAOYSA-N
Molecular Formula C28H34S4