2,3,4,5-Tetramethylthiophene
2,3,4,5-四甲基噻吩
Also known as: Tetramethylthiophene, Thiophene, 2,3,4,5-tetramethyl-, Thiophene, tetramethyl-, NISTC14503516
2,3,4,5-Tetramethylthiophene (CAS 14503-51-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12S and a molecular weight of 140.246 g/mol. It is also known as Tetramethylthiophene, Thiophene, 2,3,4,5-tetramethyl- and Thiophene, tetramethyl-. Key properties include a boiling point of 198.7±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 51.4±4.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14503-51-6
- Jingsj CID
- J-1493540-6
- Molecular Formula
- C8H12S
- Chinese Name
- 2,3,4,5-四甲基噻吩
- Molecular Weight
- 140.246 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 198.7±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 51.4±4.9 °C |
Frequently Asked Questions
What is the CAS number of 2,3,4,5-Tetramethylthiophene?
The CAS number of 2,3,4,5-Tetramethylthiophene is 14503-51-6.
What are the molecular formula and molecular weight of 2,3,4,5-Tetramethylthiophene?
2,3,4,5-Tetramethylthiophene has molecular formula C8H12S and molecular weight 140.246 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3,4,5-Tetramethylthiophene (CAS 14503-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493540-6 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.