4-Methylumbelliferyl caprylate

4-甲基伞形酮辛酸酯

Also known as: 4-Methyl-2-oxo-2H-chromen-7-yl octanoate, 4-Methylumbelliferyl octanoate, 4-methylumbelliferone octanoate, 7-(heptylcarbonyl)oxy-4-methyl-2H-1-benzopyran-2-one, MUCAP, Octanoic acid, 4-methyl-2-oxo-2H-1-benzopyran-7-yl ester, octanoic acid 4-methyl-2-oxo-2H-chromen-7-yl ester, 4-MUCA

4-Methylumbelliferyl caprylate (CAS 20671-66-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H22O4 and a molecular weight of 302.365 g/mol. It is also known as 4-Methyl-2-oxo-2H-chromen-7-yl octanoate, 4-Methylumbelliferyl octanoate and 4-methylumbelliferone octanoate. Key properties include a melting point of 44ºC ± 1ºC, a boiling point of 441.1±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 219.7±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20671-66-3
Jingsj CID
J-23294-0
Molecular Formula
C18H22O4
Chinese Name
4-甲基伞形酮辛酸酯
Molecular Weight
302.365 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point44ºC ± 1ºC
Boiling Point441.1±40.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point219.7±25.7 °C

Frequently Asked Questions

What is the CAS number of 4-Methylumbelliferyl caprylate?

The CAS number of 4-Methylumbelliferyl caprylate is 20671-66-3.

What are the molecular formula and molecular weight of 4-Methylumbelliferyl caprylate?

4-Methylumbelliferyl caprylate has molecular formula C18H22O4 and molecular weight 302.365 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methylumbelliferyl caprylate (CAS 20671-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23294-0 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.