![Molecular structure of 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione (CAS 144809-28-9)](/images/chem_structures_svg/443/144809-28-9.svg)
5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione
Also known as: Pioglitazone Impurity 2, (5E)-5-{4-[2-(5-Ethylpyridin-2-yl)ethoxy]benzylidene}-1,3-thiazolidine-2,4-dione, 2,4-Thiazolidinedione, 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-, (5E)-, 5-(4-(2-(5-Ethylpyridin-2-yl)ethoxy)benzylidene)thiazolidine-2,4-dione
5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione (CAS 144809-28-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H18N2O3S and a molecular weight of 354.423 g/mol. Key properties include a melting point of 156-159°C and a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 144809-28-9
- Jingsj CID
- J-1084960-2
- Molecular Formula
- C19H18N2O3S
- Molecular Weight
- 354.423 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156-159°C |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Exact Mass | 354.103821 |
| PSA | 93.59000 |
| LogP | 2.76 |
| Refractive Index | 1.653 |
| Storage Conditions | -20°C Freezer |
Frequently Asked Questions
What is the CAS number of 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione?
The CAS number of 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione is 144809-28-9.
What are the molecular formula and molecular weight of 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione?
5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione has molecular formula C19H18N2O3S and molecular weight 354.423 g/mol.
What are the upstream and downstream products of 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione?
For 5-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione, Upstream Products: 2,4-Thiazolidinedione, 4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzaldehyde, 4-Hydroxybenzaldehyde; Downstream Products: Pioglitazone hydrochloride, Pioglitazone hydrochloride.
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-[[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]methylene]-2,4-thiazolidinedione (CAS 144809-28-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084960-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.