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tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate

Also known as: (4R-Cis)-6-Hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetic acid 1,1-dimethylethyl ester, (4R,6S)-6-(Hydroxymethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid tert-Butyl Ester, tert-Butyl (4R,6S)-6-(Hydroxymethyl)-2,2-dimethyl-1,3-dioxane-4-acetate, tert-Butyl 2,4-dideoxy-3,5-O-isopropylidene-D-erythro-hexonate, 1,1-Dimethylethyl 2,4-dideoxy-3,5-O-(1-methylethylidene)-D-erythro-hexonate, Rosuvastatin intermediate C-5, Rosuvastatin EP impurity C5

tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate (CAS 124655-09-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H24O5 and a molecular weight of 260.327 g/mol. Key properties include a boiling point of 330.9±17.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 113.1±14.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
124655-09-0
Jingsj CID
J-1516144-1
Molecular Formula
C13H24O5
Molecular Weight
260.327 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point330.9±17.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point113.1±14.4 °C
Exact Mass260.162384
PSA64.99000
LogP1.64
Vapor Pressure0.0±1.6 mmHg at 25°C
Refractive Index1.442
Storage Conditions-20°C Freezer

Customs & Trade Information

HS Code2932999099
Summary2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate?

The CAS number of tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate is 124655-09-0.

What are the molecular formula and molecular weight of tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate?

tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate has molecular formula C13H24O5 and molecular weight 260.327 g/mol.

What are the upstream and downstream products of tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate?

For tert-Butyl 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate, Upstream Products: tert-Butyl (4R-cis)-6-[(acetyloxy)methyl]-2,2-dimethyl-1,3-dioxane-4-acetate, tert-Butyl 2-((4R,6S)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate, tert-Butyl acetate; Downstream Products: Rosuvastatin-5S-lactone, 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 (4R,6R)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetate.

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 2-[(4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate (CAS 124655-09-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516144-1 (accessed 2026-11-09).

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