Rosuvastatin-5S-lactone

Also known as: Rosuvastatin Lactone, Rosuvastatin EP Impurity D, Rosuvastatin Calcium EP Impurity D, N-[4-(4-Fluorophenyl)-6-(1-methylethyl)-5-[(1E)-2-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethenyl]-2-pyrimidinyl]-N-methylmethanesulfonamide, Methanesulfonamide, N-[4-(4-fluorophenyl)-6-(1-methylethyl)-5-[(E)-2-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethenyl]-2-pyrimidinyl]-N-methyl-, Rosuvastatin-5S-lactone

Rosuvastatin-5S-lactone (CAS 503610-43-3) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C22H26FN3O5S and a molecular weight of 463.522 g/mol. Key properties include a melting point of 131℃, a boiling point of 695.0±65.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 374.1±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 503610-43-3
Jingsj CID: J-1986954-2
Molecular Formula: C₂₂H₂₆FN₃O₅S
Molecular Weight: 463.522 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	131℃
Boiling Point	695.0±65.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	374.1±34.3 °C
Exact Mass	463.157715
PSA	118.07000
LogP	0.42
Vapor Pressure	0.0±2.3 mmHg at 25°C
Refractive Index	1.615
Storage Conditions	-20℃

Activity & Biological Data

Additional Information	[1]. Lee HB, et al. Occurrence and fate of rosuvastatin, rosuvastatin lactone, and atorvastatin in Canadian sewage and surface water samples. Chemosphere. 2009 Nov;77(10):1285-91.

Frequently Asked Questions

What is the CAS number of Rosuvastatin-5S-lactone?

The CAS number of Rosuvastatin-5S-lactone is 503610-43-3.

What are the molecular formula and molecular weight of Rosuvastatin-5S-lactone?

Rosuvastatin-5S-lactone has molecular formula C22H26FN3O5S and molecular weight 463.522 g/mol.

What are the upstream and downstream products of Rosuvastatin-5S-lactone?

For Rosuvastatin-5S-lactone, Upstream Products: Rosuvastatin, tert-Butyl rosuvastatin, tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate.

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. "Rosuvastatin-5S-lactone (CAS 503610-43-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986954-2 (accessed 2026-11-06).

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