Phorbol

Also known as: Phorbol, 4β-Phorbol, (+)-Phorbol, NSC154778, (1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-4a,7b,9,9a-tetrahydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5H-cyclopropa[3,4]benz[1,2-e]azulen-5-one

Phorbol (CAS 17673-25-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H28O6 and a molecular weight of 364.43300 g/mol. Key properties include a melting point of 250-251ºC DECOMP, a boiling point of 572ºC at 760 mmHg, a density of 1.415 g/cm3 and a flash point of 313.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17673-25-5
Jingsj CID: J-3518-7
Molecular Formula: C₂₀H₂₈O₆
Molecular Weight: 364.43300 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	250-251ºC DECOMP
Boiling Point	572ºC at 760 mmHg
Density	1.415 g/cm3
Flash Point	313.8ºC
Exact Mass	364.18900
PSA	118.22000
Vapor Pressure	1.83E-15mmHg at 25°C
Refractive Index	1.648
Storage Conditions	-20°C

Activity & Biological Data

Additional Information	[1]. Matsuzawa Y, et al. Activation of cytosolic phospholipase A2alpha by epidermal growth factor (EGF) and phorbol ester in HeLa cells: different effects of inhibitors for EGF receptor, protein kinase C, Src, and C-Raf. J Pharmacol Sci. 2009 Oct;111(2):182-92

Frequently Asked Questions

What is the CAS number of Phorbol?

The CAS number of Phorbol is 17673-25-5.

What are the molecular formula and molecular weight of Phorbol?

Phorbol has molecular formula C20H28O6 and molecular weight 364.43300 g/mol.

What are the upstream and downstream products of Phorbol?

For Phorbol, Downstream Products: Phorbol 12,13-diacetate, Phorbol 12-myristate 13-acetate.

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. "Phorbol (CAS 17673-25-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3518-7 (accessed 2026-11-07).

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