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Thienothiophenes

Organic heterocyclic compounds that contain two thiophene rings fused together with the formula: C6H4S2.
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1

Sigma Aldrich N-(2-Formylquinolin-6-yl)acetamide

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

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CAS 915923-55-6
2

Sigma Aldrich 6-Iodo-pyridine-2-carboxylic acid methyl ester

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

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CAS 849830-15-5
3

3,6-Dibromothieno[3,2-b]thiophene 98.0+%, TCI America™

CAS: 392662-65-6 Molecular Formula: C6H2Br2S2 Molecular Weight (g/mol): 298.01 MDL Number: MFCD10000958 InChI Key: DFMPVYZMICAYCS-UHFFFAOYSA-N PubChem CID: 10613979 IUPAC Name: 3,6-dibromothieno[3,2-b]thiophene SMILES: BrC1=CSC2=C1SC=C2Br

PubChem CID 10613979
CAS 392662-65-6
Molecular Weight (g/mol) 298.01
MDL Number MFCD10000958
SMILES BrC1=CSC2=C1SC=C2Br
IUPAC Name 3,6-dibromothieno[3,2-b]thiophene
InChI Key DFMPVYZMICAYCS-UHFFFAOYSA-N
Molecular Formula C6H2Br2S2
4

2,6-Dibromodithieno[3,2-b:2',3'-d]thiophene 98.0+%, TCI America™

CAS: 67061-69-2 Molecular Formula: C8H2Br2S3 Molecular Weight (g/mol): 354.092 InChI Key: UTKPZZGBROTDKR-UHFFFAOYSA-N PubChem CID: 11382649 IUPAC Name: 2,6-dibromodithieno[2,3-a SMILES: C1=C(SC2=C1SC3=C2SC(=C3)Br)Br

PubChem CID 11382649
CAS 67061-69-2
Molecular Weight (g/mol) 354.092
SMILES C1=C(SC2=C1SC3=C2SC(=C3)Br)Br
IUPAC Name 2,6-dibromodithieno[2,3-a
InChI Key UTKPZZGBROTDKR-UHFFFAOYSA-N
Molecular Formula C8H2Br2S3
5

2,3,5,6-Tetrabromothieno[3,2-b]thiophene 98.0+%, TCI America™

CAS: 124638-53-5 Molecular Formula: C6Br4S2 Molecular Weight (g/mol): 455.80 MDL Number: MFCD03788229 InChI Key: CWCKRNKYWPNOAZ-UHFFFAOYSA-N PubChem CID: 2762568 IUPAC Name: tetrabromothieno[3,2-b]thiophene SMILES: BrC1=C(Br)C2=C(S1)C(Br)=C(Br)S2

PubChem CID 2762568
CAS 124638-53-5
Molecular Weight (g/mol) 455.80
MDL Number MFCD03788229
SMILES BrC1=C(Br)C2=C(S1)C(Br)=C(Br)S2
IUPAC Name tetrabromothieno[3,2-b]thiophene
InChI Key CWCKRNKYWPNOAZ-UHFFFAOYSA-N
Molecular Formula C6Br4S2
6

Thieno[2,3-b]thiophene 97.0+%, TCI America™

CAS: 250-84-0 Molecular Formula: C6H4S2 Molecular Weight (g/mol): 140.218 MDL Number: MFCD02824126 InChI Key: YHBTXTFFTYXOFV-UHFFFAOYSA-N Synonym: 1,6-Dithiapentalene PubChem CID: 136062 IUPAC Name: thieno[2,3-b]thiophene SMILES: C1=CSC2=C1C=CS2

PubChem CID 136062
CAS 250-84-0
Molecular Weight (g/mol) 140.218
MDL Number MFCD02824126
SMILES C1=CSC2=C1C=CS2
Synonym 1,6-Dithiapentalene
IUPAC Name thieno[2,3-b]thiophene
InChI Key YHBTXTFFTYXOFV-UHFFFAOYSA-N
Molecular Formula C6H4S2
7

3-Bromothieno[3,2-b]thiophene 94.0+%, TCI America™

CAS: 25121-83-9 Molecular Formula: C6H3BrS2 Molecular Weight (g/mol): 219.114 InChI Key: YFWCQBIKGWTZQQ-UHFFFAOYSA-N PubChem CID: 14383679 IUPAC Name: 6-bromothieno[3,2-b]thiophene SMILES: C1=CSC2=C1SC=C2Br

PubChem CID 14383679
CAS 25121-83-9
Molecular Weight (g/mol) 219.114
SMILES C1=CSC2=C1SC=C2Br
IUPAC Name 6-bromothieno[3,2-b]thiophene
InChI Key YFWCQBIKGWTZQQ-UHFFFAOYSA-N
Molecular Formula C6H3BrS2
8

Thieno[3,2-b]thiophene-2-boronic Acid (contains varying amounts of Anhydride), TCI America™

CAS: 160032-40-6 Molecular Formula: C6H5BO2S2 Molecular Weight (g/mol): 184.034 InChI Key: PVQAASIVXYZXFF-UHFFFAOYSA-N PubChem CID: 10035286 IUPAC Name: thieno[3,2-b]thiophen-5-ylboronic acid SMILES: B(C1=CC2=C(S1)C=CS2)(O)O

PubChem CID 10035286
CAS 160032-40-6
Molecular Weight (g/mol) 184.034
SMILES B(C1=CC2=C(S1)C=CS2)(O)O
IUPAC Name thieno[3,2-b]thiophen-5-ylboronic acid
InChI Key PVQAASIVXYZXFF-UHFFFAOYSA-N
Molecular Formula C6H5BO2S2
9

3,5-Dibromodithieno[3,2-b:2',3'-d]thiophene 96.0+%, TCI America™

CAS: 502764-54-7 Molecular Formula: C8H2Br2S3 Molecular Weight (g/mol): 354.09 MDL Number: MFCD11870114 InChI Key: MFLUNTNNZSCLFW-UHFFFAOYSA-N PubChem CID: 11462346 IUPAC Name: 5,9-dibromo-3,7,11-trithiatricyclo[6.3.0.0²,⁶]undeca-1(8),2(6),4,9-tetraene SMILES: BrC1=CSC2=C1SC1=C2SC=C1Br

PubChem CID 11462346
CAS 502764-54-7
Molecular Weight (g/mol) 354.09
MDL Number MFCD11870114
SMILES BrC1=CSC2=C1SC1=C2SC=C1Br
IUPAC Name 5,9-dibromo-3,7,11-trithiatricyclo[6.3.0.0²,⁶]undeca-1(8),2(6),4,9-tetraene
InChI Key MFLUNTNNZSCLFW-UHFFFAOYSA-N
Molecular Formula C8H2Br2S3
10

Dithieno[3,2-b:2',3'-d]thiophene 98.0+%, TCI America™

CAS: 3593-75-7 Molecular Formula: C8H4S3 Molecular Weight (g/mol): 196.30 MDL Number: MFCD00506977 InChI Key: VGWBXRXNERKBSJ-UHFFFAOYSA-N PubChem CID: 137985 IUPAC Name: 3,7,11-trithiatricyclo[6.3.0.0²,⁶]undeca-1(8),2(6),4,9-tetraene SMILES: S1C=CC2=C1C1=C(S2)C=CS1

PubChem CID 137985
CAS 3593-75-7
Molecular Weight (g/mol) 196.30
MDL Number MFCD00506977
SMILES S1C=CC2=C1C1=C(S2)C=CS1
IUPAC Name 3,7,11-trithiatricyclo[6.3.0.0²,⁶]undeca-1(8),2(6),4,9-tetraene
InChI Key VGWBXRXNERKBSJ-UHFFFAOYSA-N
Molecular Formula C8H4S3
11

eMolecules​ 1015423-45-6 | 4,6-Dibromothieno[3,4-c]furan-1,3-dione | MFCD27923031 | 100mg

Ambeed | 8-Methyl-5-quinolineboronic Acid | 100mg | 714086858 | A537553 | 1025010-58-5 | MFCD05256435 | 187.010 | C10H10BNO2

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12

eMolecules​ Thieno[3,2-b]thiophene-2-boronic acid | 160032-40-6 | MFCD08059468 | 1g

Combi-Blocks | Thieno[3,2-b]thiophene-2-boronic acid | 1g | 267160753 | FA-1482 | 95.000 | 160032-40-6 | MFCD08059468 | 184.030 | C6H5BO2S2

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eMolecules Building Block Tool

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13

Chemscene ChemScene | 3,6-Dibromothieno[3,2-b]thiophene | 5G | CS-W008431 | 0.98 | 392662-65-6| MFCD10000958 | 298.024
SDP

ChemScene | 3,6-Dibromothieno[3,2-b]thiophene | 5G | CS-W008431 | 0.98 | 392662-65-6| MFCD10000958 | 298.024

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14

eMolecules​ 4-Chloro-6-methyl-thieno[3,2-d]pyrimidine | Combi-Blocks | 108134-22-1 | MFCD17015877 | 184.640 | C7H5ClN2S | 95.000 | Cc1cc2ncnc(Cl)c2s1 | 1g | 335356405

4-Chloro-6-methyl-thieno[3,2-d]pyrimidine | Combi-Blocks | 108134-22-1 | MFCD17015877 | 184.640 | C7H5ClN2S | 95.000 | Cc1cc2ncnc(Cl)c2s1 | 1g | 335356405

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