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Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers)

Also known as: 5-[[4-[2-(5-Ethyl-2-pyridinyl)-2-hydroxyethoxy]phenyl]methyl]-2,4-thiazolidinedione, 5-(4-(2-(5-Ethylpyridin-2-yl)-2-hydroxyethoxy)benzyl)thiazolidine-2,4-dione, 5-[[4-[2-(5-ethylpyridin-2-yl)-2-hydroxyethoxy]phenyl]methyl]-1,3-thiazolidine-2,4-dione, Pioglitazone Hydroxy M-II, Pioglitazone M2 Metabolite, Pioglitazone, hydroxyl M-II, 2,4-Thiazolidinedione, 5-[[4-[2-(5-ethyl-2-pyridinyl)-2-hydroxyethoxy]phenyl]Methyl]-

Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers) (CAS 101931-00-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H20N2O4S and a molecular weight of 372.43800 g/mol. Key properties include a melting point of 125-140 (sub)ºC, a boiling point of 627.617ºC at 760 mmHg, a density of 1.325g/cm3 and a flash point of 333.371ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
101931-00-4
Jingsj CID
J-1422952-8
Molecular Formula
C19H20N2O4S
Molecular Weight
372.43800 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Melting Point125-140 (sub)ºC
Boiling Point627.617ºC at 760 mmHg
Density1.325g/cm3
Flash Point333.371ºC
Exact Mass372.11400
PSA113.82000
LogP2.97930
Vapor Pressure0mmHg at 25°C
Refractive Index1.628

Frequently Asked Questions

What is the CAS number of Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers)?

The CAS number of Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers) is 101931-00-4.

What are the molecular formula and molecular weight of Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers)?

Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers) has molecular formula C19H20N2O4S and molecular weight 372.43800 g/mol.

What are the upstream and downstream products of Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers)?

For Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers), Upstream Products: 5-Ethyl-2-pyridineethanol, 5-Ethyl-2-vinylpyridine, Pioglitazone hydrochloride; Downstream Products: 5-(4-Hydroxybenzyl)thiazolidine-2,4-dione, 5-Ethyl-2-vinylpyridine, 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. "Hydroxy Pioglitazone (M-II) (Mixture of Diastereomers) (CAS 101931-00-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422952-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.