4-Hydroxyatorvastatin lactone

Also known as: p-Hydroxyatorvastatin lactone, 4-Hydroxy Atorvastatin Lactone, Atorvastatin 4-hydroxy lactone, Atorvastatin Impurity 108, 5-(4-Fluorophenyl)-1-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)ethyl)-N-(4-hydroxyphenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxamide, UNII-1316I46GEX

4-Hydroxyatorvastatin lactone (CAS 163217-70-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C33H33FN2O5 and a molecular weight of 556.62 g/mol. Key property: a melting point of 103-106â„ƒ. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 163217-70-7
Jingsj CID: J-1977217-4
Molecular Formula: C₃₃H₃₃FN₂O₅
Molecular Weight: 556.62 g/mol
Category: Esters
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	103-106â„ƒ
Exact Mass	556.23700
PSA	100.79000
LogP	6.57210

Activity & Biological Data

Additional Information	[1]. Jemal M, et al. Quantitation of the acid and lactone forms of atorvastatin and its biotransformation products in human serum by high-performance liquid chromatography with electrospray tandem mass spectrometry. Rapid Commun Mass Spectrom. 1999;13(11):1003-15.

Frequently Asked Questions

What is the CAS number of 4-Hydroxyatorvastatin lactone?

The CAS number of 4-Hydroxyatorvastatin lactone is 163217-70-7.

What are the molecular formula and molecular weight of 4-Hydroxyatorvastatin lactone?

4-Hydroxyatorvastatin lactone has molecular formula C33H33FN2O5 and molecular weight 556.62 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Hydroxyatorvastatin lactone (CAS 163217-70-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1977217-4 (accessed 2026-11-06).

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