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tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate

Also known as: Rosuvastatin intermediate R-2, Rosuvastatin Acetonide t-Butyl Ester, tert-Butyl rosuvastatin, 6-[(1E)-2-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid 1,1-dimethylethyl ester, MFCD08458343, Tert-butyl –(+)7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidine-5-yl]-(3R,5S)-dioxane-(E)-6-heptenate, Tert-butyl-(+)7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl,N-methyl sulphonyl amino) pyrimidine-5-yl]-(3r-5s)-dioxane-(e)-6 heptane, tert-Butyl (6-[(E)-2-{4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl}vinyl]-2,2-dimethyl-1,3-dioxan-4-yl)acetate

tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate (CAS 289042-12-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C29H40FN3O6S and a molecular weight of 577.71700 g/mol. Key properties include a melting point of 153-155°C, a boiling point of 704.2±70.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 379.7±35.7 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
289042-12-2
Jingsj CID
J-1515896-0
Molecular Formula
C29H40FN3O6S
Molecular Weight
577.71700 g/mol
Category
Pharma Intermediates
Last updated
11/2/2026
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Physicochemical Properties

Melting Point153-155°C
Boiling Point704.2±70.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point379.7±35.7 °C
Exact Mass537.230896
PSA116.30000
LogP2.24
Vapor Pressure0.0±2.3 mmHg at 25°C
Refractive Index1.564
Storage ConditionsRefrigerator

Frequently Asked Questions

What is the CAS number of tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate?

The CAS number of tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate is 289042-12-2.

What are the molecular formula and molecular weight of tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate?

tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate has molecular formula C29H40FN3O6S and molecular weight 577.71700 g/mol.

What are the upstream and downstream products of tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate?

For tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate, Upstream Products: Methanesulfonamide, N-[5-[(diphenylphosphinyl)methyl]-4-(4-fluorophenyl)-6-(1-methylethyl)-2-pyrimidinyl]-N-methyl-, tert-Butyl 2-((4R,6S)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate, N-(4-(4-Fluorophenyl)-5-formyl-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide; Downstream Products: tert-Butyl rosuvastatin, Rosuvastatin.

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

Last updated:

How to cite: Jingsj. "tert-Butyl 6-[(1E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate (CAS 289042-12-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515896-0 (accessed 2026-11-09).

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