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

Also known as: (-)-2,3-O-Isopropylidene-1,4-di-O-tosyl-L-threitol, (4S,5S)-(-)-2,2-Dimethyl-4,5-bis(tosyloxymethyl)-1,3-dioxolane, (4S,5S)-4,5-Bis(tosyloxymethyl)-2,2-dimethyl-1,3-dioxolane, 1,3-Dioxolane-4,5-dimethanol, 2,2-dimethyl-, bis(4-methylbenzenesulfonate), (4S,5S)-, MFCD00003212, EINECS 253-306-3

(-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol (CAS 37002-45-2) 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 90-92ºC(lit.), 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.
37002-45-2
Jingsj CID
J-943617-3
Molecular Formula
C21H26O8S2
Molecular Weight
470.556 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Melting Point90-92ºC(lit.)
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-L-threitol?

The CAS number of (-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol is 37002-45-2.

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

(-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-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-L-threitol?

For (-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol, Upstream Products: (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol, p-Toluenesulfonyl chloride, Diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate; Downstream Products: (-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane, (2R,3R)-1,4-Bis(4-methylbenzenesulfonate)butane-1,2,3,4-tetraol, (2S,3S)-(+)-2,3-Butanediol.

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-L-threitol (CAS 37002-45-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-943617-3 (accessed 2026-11-09).

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