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Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate

Also known as: Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanate, methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-(triphenylphosphoranylidene)hexanoate, methyl (3R)-3-{[dimethyl(2-methyl-2-propanyl)silyl]oxy}-5-oxo-6-(triphenylphosphoranylidene)hexanoate, methyl (3R)-3[[tert-butyl-(dimethyl)silyl]oxy]-5-oxo-6-(triphenylphosphoranylidine)hexanoate, methyl-(3R)-3-[(terbutyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidene hexanoate, Hexanoic acid, 3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5-oxo-6-(triphenylphosphoranylidene)-, methyl ester, (3R)-, rosuvastatin intermediates J-6, B-8

Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate (CAS 147118-35-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C31H39O4PSi and a molecular weight of 534.698 g/mol. Key properties include a melting point of 77.5-78.5ºC, a boiling point of 603.9±65.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 319.0±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
147118-35-2
Jingsj CID
J-1498183-0
Molecular Formula
C31H39O4PSi
Molecular Weight
534.698 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point77.5-78.5ºC
Boiling Point603.9±65.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point319.0±34.3 °C
Exact Mass534.235535
PSA62.41000
LogP6.78
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.553

Frequently Asked Questions

What is the CAS number of Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate?

The CAS number of Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate is 147118-35-2.

What are the molecular formula and molecular weight of Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate?

Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate has molecular formula C31H39O4PSi and molecular weight 534.698 g/mol.

What are the upstream and downstream products of Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate?

For Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate, Upstream Products: Triphenylphosphine, (3R)-3-((tert-Butyldimethylsilyl)oxy)-5-methoxy-5-oxopentanoic acid, Methyltriphenylphosphonium bromide; Downstream Products: Rosuvastatin, Rosuvastatin methyl ester, 5-Oxorosuvastatin Methyl Ester.

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

Last updated:

How to cite: Jingsj. "Methyl (3R)-3-(tert-butyldimethylsilyloxy)-5-oxo-6-triphenylphosphoranylidenehexanoate (CAS 147118-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498183-0 (accessed 2026-11-09).

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