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(+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol

Also known as: (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol, (2R,3R)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol, (4R,5R)-(+)-2,2-Dimethyl-4,5-bis(tosyloxymethyl)-1,3-dioxolane, (4R,5R)-4,5-Bis(tosyloxymethyl)-2,2-dimethyl-1,3-dioxolane, 1,3-Dioxolane-4,5-dimethanol, 2,2-dimethyl-, bis(4-methylbenzenesulfonate), (4R,5R)-, [(4R,5R)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl]bis(methylene) bis(4-methylbenzenesulfonate), MFCD00063235, EINECS 256-943-5

(+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol (CAS 51064-65-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C21H26O8S2 and a molecular weight of 470.556 g/mol. Key properties include a melting point of 90-92 °C, a boiling point of 608.3±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 321.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
51064-65-4
Jingsj CID
J-15918-2
Molecular Formula
C21H26O8S2
Molecular Weight
470.556 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Melting Point90-92 °C
Boiling Point608.3±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point321.7±27.3 °C
Exact Mass470.106903
PSA121.96000
LogP3.03
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.539

Frequently Asked Questions

What is the CAS number of (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol?

The CAS number of (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol is 51064-65-4.

What are the molecular formula and molecular weight of (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol?

(+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol has molecular formula C21H26O8S2 and molecular weight 470.556 g/mol.

What are the upstream and downstream products of (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol?

For (+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol, Upstream Products: (-)-2,3-O-Isopropylidene-D-threitol, p-Toluenesulfonyl chloride, 3,4-O-Isopropylidene-D-mannitol; Downstream Products: (2R,3R)-1,4-Bis(4-methylbenzenesulfonate)butane-1,2,3,4-tetraol, (4S,5S)-4,5-bis(fluoromethyl)-2,2-dimethyl-1,3-dioxolane, (4S,5S)-4,5-Bis(iodomethyl)-2,2-dimethyl-1,3-dioxolane.

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

Last updated:

How to cite: Jingsj. "(+)-1,4-Di-O-tosyl-2,3-O-isopropylidene-D-threitol (CAS 51064-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15918-2 (accessed 2026-11-09).

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