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.

1 – 15 of 42 results

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

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

5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene 98.0+%, TCI America™

CAS: 239075-02-6 Molecular Formula: C20H28B2O4S2 Molecular Weight (g/mol): 418.18 MDL Number: MFCD06798112 InChI Key: XWWXVHGWYCXJCJ-UHFFFAOYSA-N Synonym: 2,2′C-Bithiophene-5,5′C-diboronic Acid Bis(pinacol) Ester PubChem CID: 10938646 IUPAC Name: 4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane SMILES: B1(OC(C(O1)(C)C)(C)C)C2=CC=C(S2)C3=CC=C(S3)B4OC(C(O4)(C)C)(C)C

Pricing and Availability
Specifications

PubChem CID	10938646
CAS	239075-02-6
Molecular Weight (g/mol)	418.18
MDL Number	MFCD06798112
SMILES	B1(OC(C(O1)(C)C)(C)C)C2=CC=C(S2)C3=CC=C(S3)B4OC(C(O4)(C)C)(C)C
Synonym	2,2′C-Bithiophene-5,5′C-diboronic Acid Bis(pinacol) Ester
IUPAC Name	4,4,5,5-tetramethyl-2-[5-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]thiophen-2-yl]-1,3,2-dioxaborolane
InChI Key	XWWXVHGWYCXJCJ-UHFFFAOYSA-N
Molecular Formula	C20H28B2O4S2

3,3'-Bithiophene 98.0+%, TCI America™

CAS: 3172-56-3 Molecular Formula: C8H6S2 Molecular Weight (g/mol): 166.256 MDL Number: MFCD00041214 InChI Key: IAAQEGBHNXAHBF-UHFFFAOYSA-N Synonym: 3,3′C-Bithienyl PubChem CID: 76638 IUPAC Name: 3-thiophen-3-ylthiophene SMILES: C1=CSC=C1C2=CSC=C2

Pricing and Availability
Specifications

PubChem CID	76638
CAS	3172-56-3
Molecular Weight (g/mol)	166.256
MDL Number	MFCD00041214
SMILES	C1=CSC=C1C2=CSC=C2
Synonym	3,3′C-Bithienyl
IUPAC Name	3-thiophen-3-ylthiophene
InChI Key	IAAQEGBHNXAHBF-UHFFFAOYSA-N
Molecular Formula	C8H6S2

2,2'-Bithiophene-5,5'-dicarboxaldehyde 98.0+%, TCI America™

CAS: 32364-72-0 Molecular Formula: C10H6O2S2 Molecular Weight (g/mol): 222.276 MDL Number: MFCD00839981 InChI Key: RXAXZMANGDHIJX-UHFFFAOYSA-N Synonym: 5,5′-Diformyl-2,2′-bithiophene PubChem CID: 2063643 IUPAC Name: 5-(5-formylthiophen-2-yl)thiophene-2-carbaldehyde SMILES: C1=C(SC(=C1)C2=CC=C(S2)C=O)C=O

Pricing and Availability
Specifications

PubChem CID	2063643
CAS	32364-72-0
Molecular Weight (g/mol)	222.276
MDL Number	MFCD00839981
SMILES	C1=C(SC(=C1)C2=CC=C(S2)C=O)C=O
Synonym	5,5′-Diformyl-2,2′-bithiophene
IUPAC Name	5-(5-formylthiophen-2-yl)thiophene-2-carbaldehyde
InChI Key	RXAXZMANGDHIJX-UHFFFAOYSA-N
Molecular Formula	C10H6O2S2

2,2'-Bithiophene-5-carboxaldehyde 98.0+%, TCI America™

CAS: 3779-27-9 Molecular Formula: C9H6OS2 Molecular Weight (g/mol): 194.266 MDL Number: MFCD00052294 InChI Key: FYBWRAXKYXTOQC-UHFFFAOYSA-N Synonym: 2,2'-bithiophene-5-carboxaldehyde,2,2'-bithiophene-5-carbaldehyde,2,2'-bithienyl-5-carboxaldehyde,5-formyl-2,2'-bithiophene,5-thiophen-2-yl thiophene-2-carbaldehyde,5-2-thienyl thiophene-2-carbaldehyde,2,2-bithiophene-5-carboxaldehyde PubChem CID: 364428 IUPAC Name: 5-thiophen-2-ylthiophene-2-carbaldehyde SMILES: C1=CSC(=C1)C2=CC=C(S2)C=O

Pricing and Availability
Specifications

PubChem CID	364428
CAS	3779-27-9
Molecular Weight (g/mol)	194.266
MDL Number	MFCD00052294
SMILES	C1=CSC(=C1)C2=CC=C(S2)C=O
Synonym	2,2'-bithiophene-5-carboxaldehyde,2,2'-bithiophene-5-carbaldehyde,2,2'-bithienyl-5-carboxaldehyde,5-formyl-2,2'-bithiophene,5-thiophen-2-yl thiophene-2-carbaldehyde,5-2-thienyl thiophene-2-carbaldehyde,2,2-bithiophene-5-carboxaldehyde
IUPAC Name	5-thiophen-2-ylthiophene-2-carbaldehyde
InChI Key	FYBWRAXKYXTOQC-UHFFFAOYSA-N
Molecular Formula	C9H6OS2

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

CAS: 110046-60-1 Molecular Formula: C9H5BrOS2 Molecular Weight (g/mol): 273.16 MDL Number: MFCD01321134 InChI Key: NTHMTYNJFSUBMF-UHFFFAOYSA-N Synonym: 5-Bromo-5′C-formyl-2,2′C-bithiophene PubChem CID: 11065610 IUPAC Name: 5'-bromo-[2,2'-bithiophene]-5-carbaldehyde SMILES: BrC1=CC=C(S1)C1=CC=C(S1)C=O

Pricing and Availability
Specifications

PubChem CID	11065610
CAS	110046-60-1
Molecular Weight (g/mol)	273.16
MDL Number	MFCD01321134
SMILES	BrC1=CC=C(S1)C1=CC=C(S1)C=O
Synonym	5-Bromo-5′C-formyl-2,2′C-bithiophene
IUPAC Name	5'-bromo-[2,2'-bithiophene]-5-carbaldehyde
InChI Key	NTHMTYNJFSUBMF-UHFFFAOYSA-N
Molecular Formula	C9H5BrOS2

5″-Bromo-2,2':5',2″-terthiophene-5-carboxaldehyde 94.0+%, TCI America™

CAS: 161726-69-8 Molecular Formula: C13H7BrOS3 Molecular Weight (g/mol): 355.28 MDL Number: MFCD02093442 InChI Key: DSYKMLTVEGWLFR-UHFFFAOYSA-N PubChem CID: 14942412 IUPAC Name: 5-{5'-bromo-[2,2'-bithiophen]-5-yl}thiophene-2-carbaldehyde SMILES: BrC1=CC=C(S1)C1=CC=C(S1)C1=CC=C(S1)C=O

Pricing and Availability
Specifications

PubChem CID	14942412
CAS	161726-69-8
Molecular Weight (g/mol)	355.28
MDL Number	MFCD02093442
SMILES	BrC1=CC=C(S1)C1=CC=C(S1)C1=CC=C(S1)C=O
IUPAC Name	5-{5'-bromo-[2,2'-bithiophen]-5-yl}thiophene-2-carbaldehyde
InChI Key	DSYKMLTVEGWLFR-UHFFFAOYSA-N
Molecular Formula	C13H7BrOS3

Bi- and oligothiophenes

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