4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one
4H-环戊并[2,1-b:3,4-b']二噻吩-4-酮
Also known as: 4H-Cyclopenta[1,2-b:5,4-b']dithiophen-4-one, 4H-Thieno[3',2':4,5]cyclopenta[1,2-b]thiophen-4-one, 4H-Δ4,4'-dicyclopenta[2,1-b:3,4-b']dithiophen-4-one, 4H-Δ4,4'-dicyclopenta[2,1-b:3,4-b']dithiophene-4-one, Cyclopenta[2,1-b:3,4-b']dithiophen-4-one, 4H-cyclopenta[2,1-b:3,4-b']dithiophene-4-one
- CAS No.
- 25796-77-4
- Jingsj CID
- J-1355411-0
- Molecular Formula
- C9H4OS2
- Chinese Name
- 4H-环戊并[2,1-b:3,4-b']二噻吩-4-酮
- Molecular Weight
- 192.258 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 134.0 to 138.0 °C |
|---|---|
| Boiling Point | 349.6±17.0 °C at 760 mmHg |
| Density | 1.553 |
| Flash Point | 165.2±20.9 °C |
Frequently Asked Questions
What is the CAS number of 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one?
25796-77-4
What are the molecular formula and molecular weight of 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one?
C9H4OS2, molecular weight 192.258 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026