5-(Pyridin-4-yl)thiophene-2-carbaldehyde
Also known as: 5-(4-pyridyl)-2-thiophenecarbaldehyde, 4-(5-formylthien-2-yl)pyridine, 2-formyl-5-(pyridin-4-yl)thiophene, 2-thiophenecarboxaldehyde, 5-(4-pyridinyl)-, 5-pyridin-4-ylthiophene-2-carboxaldehyde
5-(Pyridin-4-yl)thiophene-2-carbaldehyde (CAS 129770-69-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NOS and a molecular weight of 189.23400 g/mol. Key properties include a melting point of 132.5-134ºC, a boiling point of 352.1ºC at 760mmHg, a density of 1.269g/cm3 and a flash point of 166.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 129770-69-0
- Jingsj CID
- J-1356788-9
- Molecular Formula
- C10H7NOS
- Molecular Weight
- 189.23400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 132.5-134ºC |
|---|---|
| Boiling Point | 352.1ºC at 760mmHg |
| Density | 1.269g/cm3 |
| Flash Point | 166.7ºC |
| Exact Mass | 189.02500 |
| PSA | 58.20000 |
| LogP | 2.62260 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.645 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-(Pyridin-4-yl)thiophene-2-carbaldehyde?
The CAS number of 5-(Pyridin-4-yl)thiophene-2-carbaldehyde is 129770-69-0.
What are the molecular formula and molecular weight of 5-(Pyridin-4-yl)thiophene-2-carbaldehyde?
5-(Pyridin-4-yl)thiophene-2-carbaldehyde has molecular formula C10H7NOS and molecular weight 189.23400 g/mol.
What are the upstream and downstream products of 5-(Pyridin-4-yl)thiophene-2-carbaldehyde?
For 5-(Pyridin-4-yl)thiophene-2-carbaldehyde, Upstream Products: 4-Bromopyridine, 2-Methylthiophene, 2-Iodo-5-methylthiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(Pyridin-4-yl)thiophene-2-carbaldehyde (CAS 129770-69-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356788-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.