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Guaimesal

Also known as: 2-(2-Methoxyphenoxy)-2-methyl-1,3-benzodioxin-4-one, 2-(2-Methoxyphenoxy)-2-methyl-4H-1,3-benzodioxin-4-one, 2-(2-Methoxyphenoxy)-2-methyl-1,3-benzodioxan-4-one, 9-(2-methoxyphenoxy)-9-methyl-8,10-dioxabicyclo[4.4.0]deca-1,3,5-trien-7-one, Acetylsalicylic Acid Impurity 30, Guaimesalum, MR 693, Brontermil

Guaimesal (CAS 81674-79-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H14O5 and a molecular weight of 286.27900 g/mol. Key properties include a boiling point of 454.7ºC at 760 mmHg and a density of 1.262 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
81674-79-5
Jingsj CID
J-1310337-2
Molecular Formula
C16H14O5
Molecular Weight
286.27900 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point454.7ºC at 760 mmHg
Density1.262 g/cm3
Exact Mass286.08400
PSA53.99000
LogP2.99710
Refractive Index1.573

Frequently Asked Questions

What is the CAS number of Guaimesal?

The CAS number of Guaimesal is 81674-79-5.

What are the molecular formula and molecular weight of Guaimesal?

Guaimesal has molecular formula C16H14O5 and molecular weight 286.27900 g/mol.

What are the upstream and downstream products of Guaimesal?

For Guaimesal, Upstream Products: Guaiacol, Acetylsalicylic acid, O-Acetylsalicyloyl chloride; Downstream Products: Acetylsalicylic acid, Guaiacol, Salicylic acid.

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

Last updated:

How to cite: Jingsj. "Guaimesal (CAS 81674-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310337-2 (accessed 2026-11-09).

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