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Thienothiophenes

Organic heterocyclic compounds that contain two thiophene rings fused together with the formula: C6H4S2.
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16 – 30 of 45 results
16

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
17

Thieno[3,2-b]thiophene-2-carbonitrile 98.0+%, TCI America™

CAS: 40985-58-8 Molecular Formula: C7H3NS2 Molecular Weight (g/mol): 165.228 MDL Number: MFCD08059461 InChI Key: UPRBPGCXCNBTQH-UHFFFAOYSA-N Synonym: 2-Cyanothieno[3,2-b]thiophene PubChem CID: 55252708 IUPAC Name: thieno[3,2-b]thiophene-5-carbonitrile SMILES: C1=CSC2=C1SC(=C2)C#N

PubChem CID 55252708
CAS 40985-58-8
Molecular Weight (g/mol) 165.228
MDL Number MFCD08059461
SMILES C1=CSC2=C1SC(=C2)C#N
Synonym 2-Cyanothieno[3,2-b]thiophene
IUPAC Name thieno[3,2-b]thiophene-5-carbonitrile
InChI Key UPRBPGCXCNBTQH-UHFFFAOYSA-N
Molecular Formula C7H3NS2
18

Methyl Thieno[3,2-b]thiophene-2-carboxylate 98.0+%, TCI America™

CAS: 98800-10-3 Molecular Formula: C8H6O2S2 Molecular Weight (g/mol): 198.254 MDL Number: MFCD01934498 InChI Key: VCLNJFSCOKHCEJ-UHFFFAOYSA-N Synonym: Thieno[3,2-b]thiophene-2-carboxylic Acid Methyl Ester PubChem CID: 2739788 IUPAC Name: methyl thieno[3,2-b]thiophene-5-carboxylate SMILES: COC(=O)C1=CC2=C(S1)C=CS2

PubChem CID 2739788
CAS 98800-10-3
Molecular Weight (g/mol) 198.254
MDL Number MFCD01934498
SMILES COC(=O)C1=CC2=C(S1)C=CS2
Synonym Thieno[3,2-b]thiophene-2-carboxylic Acid Methyl Ester
IUPAC Name methyl thieno[3,2-b]thiophene-5-carboxylate
InChI Key VCLNJFSCOKHCEJ-UHFFFAOYSA-N
Molecular Formula C8H6O2S2
19

Thieno[3,2-b]thiophene-2-carboxylic Acid 98.0+%, TCI America™

CAS: 1723-27-9 Molecular Formula: C7H4O2S2 Molecular Weight (g/mol): 184.23 MDL Number: MFCD00115174 InChI Key: GVZXSZWCZGKLRS-UHFFFAOYSA-N Synonym: thieno 3,2-b thiophene-2-carboxylic acid,thieno 3,2-b thiophene-5-carboxylic acid,thieno 3,2-b thiophene-2-carboxylicacid,thiopheno 3,2-b thiophene-2-carboxylic acid,zlchem 802,maybridge3_006605,thienothiophene carboxylic acid,5-thieno 3,2-b thiophenecarboxylic acid,nuk PubChem CID: 660319 IUPAC Name: thieno[3,2-b]thiophene-2-carboxylic acid SMILES: OC(=O)C1=CC2=C(S1)C=CS2

PubChem CID 660319
CAS 1723-27-9
Molecular Weight (g/mol) 184.23
MDL Number MFCD00115174
SMILES OC(=O)C1=CC2=C(S1)C=CS2
Synonym thieno 3,2-b thiophene-2-carboxylic acid,thieno 3,2-b thiophene-5-carboxylic acid,thieno 3,2-b thiophene-2-carboxylicacid,thiopheno 3,2-b thiophene-2-carboxylic acid,zlchem 802,maybridge3_006605,thienothiophene carboxylic acid,5-thieno 3,2-b thiophenecarboxylic acid,nuk
IUPAC Name thieno[3,2-b]thiophene-2-carboxylic acid
InChI Key GVZXSZWCZGKLRS-UHFFFAOYSA-N
Molecular Formula C7H4O2S2
20

3,4-Dibromothieno[2,3-b]thiophene 98.0+%, TCI America™

CAS: 53255-78-0 Molecular Formula: C6H2Br2S2 Molecular Weight (g/mol): 298.01 InChI Key: BUGQRBSPOFSLQS-UHFFFAOYSA-N PubChem CID: 143030 IUPAC Name: 3,4-dibromothieno[2,3-b]thiophene SMILES: C1=C(C2=C(S1)SC=C2Br)Br

PubChem CID 143030
CAS 53255-78-0
Molecular Weight (g/mol) 298.01
SMILES C1=C(C2=C(S1)SC=C2Br)Br
IUPAC Name 3,4-dibromothieno[2,3-b]thiophene
InChI Key BUGQRBSPOFSLQS-UHFFFAOYSA-N
Molecular Formula C6H2Br2S2
21

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
22

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
23

Sigma Aldrich 3-Chloro-1-phenyl-1-propyne

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 3355-31-5
24

Sigma Aldrich 1-(5-Methoxypyridin-3-yl)ethanone

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 886364-74-5
25

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
26

Sigma Aldrich 3-Amino-pyridine-4-carbaldehyde

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 55279-29-3
27

Sigma Aldrich cis-4-Benzyloxy-2-buten-1-ol

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 81028-03-7
28

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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29

Medchemexpress LLC Thieno[2,3-c]pyridine, 7-chloro- | 28948-58-5 | 99.4% | 169.63 | C7H4ClNS | 500 MG
SDP

7-Chlorothieno[2,3-c]pyridine is an aromatic heterocyclic compound used as a synthetic intermediate in pharmaceutical and medicinal chemistry research. It is typically supplied as a high-purity solid for use in organic synthesis and R&D.

  • Used as a synthetic intermediate in pharmaceutical synthesis.
  • High purity (99.4% by HPLC).
  • Molecular weight 169.63.
  • CAS number 28948-58-5.
  • Available in small-scale packages suitable for research (250 mg-5 g; larger quantities by inquiry).

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30

eMolecules​ DIC 25G

5000161308 DIC 25G

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