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1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose

Also known as: a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate), 1,2:3,4-Di-O-isopropylidene-6-O-p-tolylsulfonyl-α-D-galactose, 1,2:3,4-Di-O-isopropylidene-6-O-p-toluenesulfonyl-a-D-galactopyranose, 1,2:3,4-Di-O-isopropylidene-6-O-p-toluenesulfonyl-a-D-galactose, (-)-1,2:3,4-di-O-isopropylidene-6-O-(4-methylphenylsulfonyl)-α-D-galactopyranose, NSC 116274

1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose (CAS 4478-43-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C19H26O8S and a molecular weight of 414.47000 g/mol. Key properties include a melting point of 92°C(lit.), a boiling point of 513.7ºC at 760 mmHg, a density of 1.23 g/cm3 and a flash point of 264.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4478-43-7
Jingsj CID
J-1345290-9
Molecular Formula
C19H26O8S
Molecular Weight
414.47000 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point92°C(lit.)
Boiling Point513.7ºC at 760 mmHg
Density1.23 g/cm3
Flash Point264.5ºC
Exact Mass414.13500
PSA97.90000
LogP3.17760
Refractive Index1.505

Frequently Asked Questions

What is the CAS number of 1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose?

The CAS number of 1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose is 4478-43-7.

What are the molecular formula and molecular weight of 1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose?

1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose has molecular formula C19H26O8S and molecular weight 414.47000 g/mol.

What are the upstream and downstream products of 1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose?

For 1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose, Upstream Products: p-Toluenesulfonyl chloride, Diacetone-D-galactose, D-Galactopyranose; Downstream Products: 6-Azido-6-deoxy-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose, 1,2:3,4-Di-O-isopropylidene-α-D-fucopyranose, Diacetone-D-galactose.

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

Last updated:

How to cite: Jingsj. "1,2:3,4-Di-O-isopropylidene-6-O-(p-toluenesulfonyl)-α-D-galactopyranose (CAS 4478-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345290-9 (accessed 2026-11-09).

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