5-Cyano-3,4-diphenylthiophene-2-carboxamide
5-氰基-3,4-二苯基噻吩-2-甲酰胺
Also known as: 2-Thiophenecarboxamide, 5-cyano-3,4-diphenyl-, 5-CYANO-3,4-DIPHENYLTHIOPHENE-2-CARBOXAMIDE, 5-Cyano-3,4-diphenyl-2-thiophenecarboxamide, 5-cyano-3,4-diphenyl-thiophene-2-carboxylic acid amide
5-Cyano-3,4-diphenylthiophene-2-carboxamide (CAS 70541-98-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H12N2OS and a molecular weight of 304.36600 g/mol. It is also known as 2-Thiophenecarboxamide, 5-cyano-3,4-diphenyl-, 5-CYANO-3,4-DIPHENYLTHIOPHENE-2-CARBOXAMIDE and 5-Cyano-3,4-diphenyl-2-thiophenecarboxamide. Key properties include a melting point of 265-270ºC, a boiling point of 388.5ºC at 760 mmHg, a density of 1.34g/cm3 and a flash point of 188.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 70541-98-9
- Jingsj CID
- J-20900-1
- Molecular Formula
- C18H12N2OS
- Chinese Name
- 5-氰基-3,4-二苯基噻吩-2-甲酰胺
- Molecular Weight
- 304.36600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 265-270ºC |
|---|---|
| Boiling Point | 388.5ºC at 760 mmHg |
| Density | 1.34g/cm3 |
| Flash Point | 188.7ºC |
Frequently Asked Questions
What is the CAS number of 5-Cyano-3,4-diphenylthiophene-2-carboxamide?
The CAS number of 5-Cyano-3,4-diphenylthiophene-2-carboxamide is 70541-98-9.
What are the molecular formula and molecular weight of 5-Cyano-3,4-diphenylthiophene-2-carboxamide?
5-Cyano-3,4-diphenylthiophene-2-carboxamide has molecular formula C18H12N2OS and molecular weight 304.36600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Cyano-3,4-diphenylthiophene-2-carboxamide (CAS 70541-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20900-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.