24-Epibrassinolide

Also known as: Epibrassinolide, 24-epi-brassinolide, (22R,23R,24R)-2α,3α,22,23-Tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one, (22R,23R,24R)-2α,3α,22,23-Tetrahydroxy-24-methyl-5α-cholestan-6-one, 24-Epicastasterone, 24R-Brassinolide, Brassinolide 24-表油菜素内酯, 2α,3α,22,23-Tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one

24-Epibrassinolide (CAS 78821-43-9) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C28H48O6 and a molecular weight of 480.677 g/mol. Key properties include a melting point of 256°C, a boiling point of 633.7±55.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 202.3±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 78821-43-9
Jingsj CID: J-1970226-7
Molecular Formula: C₂₈H₄₈O₆
Molecular Weight: 480.677 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	256°C
Boiling Point	633.7±55.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	202.3±25.0 °C
Exact Mass	480.345093
PSA	107.22000
LogP	3.12
Vapor Pressure	0.0±4.2 mmHg at 25°C
Refractive Index	1.536
Storage Conditions	−20°C

Activity & Biological Data

Target	Plant growth regulator, Apoptosis inducer[1]
Additional Information	[1]. Obakan P, et al. Activation of polyamine catabolic enzymes involved in diverse responses against epibrassinolide-induced apoptosis in LNCaP and DU145 prostate cancer cell lines. Amino Acids. 2014 Mar;46(3):553-64.

Frequently Asked Questions

What is the CAS number of 24-Epibrassinolide?

The CAS number of 24-Epibrassinolide is 78821-43-9.

What are the molecular formula and molecular weight of 24-Epibrassinolide?

24-Epibrassinolide has molecular formula C28H48O6 and molecular weight 480.677 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "24-Epibrassinolide (CAS 78821-43-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970226-7 (accessed 2026-11-06).

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