ent-9-Hydroxy-15-oxokauran-19-oic acid

对映-9-羟基-15-氧代-19-异贝壳杉烷酸

Also known as: ent-9-Hydroxy-15-oxo-19-kauranoic acid, (5β,8α,9β,10α,13α,16β)-9-Hydroxy-15-oxokauran-18-oic acid, Kauran-18-oic acid, 9-hydroxy-15-oxo-, (4α)-, ent-9-Hydroxy-15-oxokauran-19-oic acid

ent-9-Hydroxy-15-oxokauran-19-oic acid (CAS 77658-45-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H30O4 and a molecular weight of 334.450 g/mol. It is also known as ent-9-Hydroxy-15-oxo-19-kauranoic acid, (5β,8α,9β,10α,13α,16β)-9-Hydroxy-15-oxokauran-18-oic acid and Kauran-18-oic acid, 9-hydroxy-15-oxo-, (4α)-. Key properties include a boiling point of 496.8±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 268.4±25.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 77658-45-8
Jingsj CID: J-1488164-2
Molecular Formula: C₂₀H₃₀O₄
Chinese Name: 对映-9-羟基-15-氧代-19-异贝壳杉烷酸
Molecular Weight: 334.450 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	496.8±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	268.4±25.2 °C

Frequently Asked Questions

What is the CAS number of ent-9-Hydroxy-15-oxokauran-19-oic acid?

The CAS number of ent-9-Hydroxy-15-oxokauran-19-oic acid is 77658-45-8.

What are the molecular formula and molecular weight of ent-9-Hydroxy-15-oxokauran-19-oic acid?

ent-9-Hydroxy-15-oxokauran-19-oic acid has molecular formula C20H30O4 and molecular weight 334.450 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "ent-9-Hydroxy-15-oxokauran-19-oic acid (CAS 77658-45-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1488164-2 (accessed 2026-10-25).

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