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(R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate

Also known as: (R)-(-)-Dihydro-5-(p-tolylsulfonyloxymethyl)-2(3H)-furanone, (R)-(-)-γ-Toluenesulfonylmethyl-γ-butyrolactone, (R)-(-)-4,5-Dihydro-5[[(4-methylphenylsulfonyl)oxy]methyl]-2(3H)-furanone

(R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate (CAS 58879-33-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14O5S and a molecular weight of 270.30200 g/mol. Key properties include a melting point of 85-88ºC, a boiling point of 476.5ºC at 760 mmHg, a density of 1.311g/cm3 and a flash point of 242ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
58879-33-7
Jingsj CID
J-4757-4
Molecular Formula
C12H14O5S
Molecular Weight
270.30200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85-88ºC
Boiling Point476.5ºC at 760 mmHg
Density1.311g/cm3
Flash Point242ºC
Exact Mass270.05600
PSA78.05000
LogP2.48670
Refractive Index1.542

Customs & Trade Information

HS Code2932190090
Summary2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate?

The CAS number of (R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate is 58879-33-7.

What are the molecular formula and molecular weight of (R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate?

(R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate has molecular formula C12H14O5S and molecular weight 270.30200 g/mol.

What are the upstream and downstream products of (R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate?

For (R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate, Upstream Products: (5R)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one, p-Toluenesulfonyl chloride, L-Glutamic acid; Downstream Products: (S)-gamma-Valerolactone.

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

Last updated:

How to cite: Jingsj. "(R)-(5-Oxotetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate (CAS 58879-33-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4757-4 (accessed 2026-11-09).

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