Wortmannin

渥曼青霉素

Also known as: SL-2052, KY 12420, Antibiotic SL-2052, (+)-Wortmannin, Wartmannin, 3H-Furo[4,3,2-de]indeno[4,5-h]-2-benzopyran-3,6,9-trione, 11-(acetyloxy)-1,6b,7,8,9a,10,11,11b-octahydro-1-(methoxymethyl)-9a,11b-dimethyl-, (1S,6bR,9aS,11R,11bR)-, [1S-(1α,6bα,9aβ,11α,11bβ)]-11-(Acetyloxy)-1,6b,7,8,9a,10,11,11b-octahydro-1-(methoxymethyl)-9a,11b-dimethyl-3H-furo[4,3,2-de]indeno[4,5-h]-2-benzopyran-3,6,9-trione

Wortmannin (CAS 19545-26-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C23H24O8 and a molecular weight of 428.432 g/mol. It is also known as SL-2052, KY 12420 and Antibiotic SL-2052. Key properties include a melting point of 234-240ºC, a boiling point of 615.6±55.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 326.1±31.5 °C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19545-26-7
Jingsj CID
J-30975-4
Molecular Formula
C23H24O8
Chinese Name
渥曼青霉素
Molecular Weight
428.432 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point234-240ºC
Boiling Point615.6±55.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point326.1±31.5 °C
Exact Mass428.147125
PSA109.11000
LogP0.81
Vapor Pressure0.0±1.8 mmHg at 25°C
Refractive Index1.591
Storage Conditions2-8°C
Additional PropertyDMSO: soluble

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H300
  • H310
  • H330 — Fatal if inhaled

Activity & Biological Data

TargetPI3K:3 nM (IC50) ATM:150 nM (IC50) ATR:1.8 μM (IC50) DNA-PK:16 nM (IC50) MLCK:200 nM (IC50) Plk3:48 nM (IC50)
Additional Information[1]. Yano H, et al. Inhibition of histamine secretion by wortmannin through the blockade of phosphatidylinositol 3-kinase in RBL-2H3 cells. J Biol Chem, 1993, 268(34), 25846-25856. [2]. Sarkaria JN, et al. Inhibition of phosphoinositide 3-kinase related kinases by the radiosensitizing agent wortmannin. Cancer Res, 1998, 58(19), 4375-4382. [3]. Nakanishi S, et al. Wortmannin, a microbial product inhibitor of myosin light chain kinase. J Biol Chem, 1992, 267(4), 2157-2163. [4]. Ng SS, et al. Wortmannin inhibits pkb/akt phosphorylation and promotes gemcitabine antitumor activity in orthotopic human pancreatic cancer xenografts in immunodeficient mice. Clin Cancer Res, 2001, 7(10), 3269-3275. [5]. Teranishi F, et al. Phosphoinositide 3-kinase inhibitor (wortmannin) inhibits pancreatic cancer cell motility and migration induced by hyaluronan in vitro and peritoneal metastasis in vivo. Cancer Sci. 2009 Apr;100(4):770-7. [6]. Liu Y, et al. Polo-like kinases inhibited by Wortmannin. Labeling site and downstream effects. J Biol Chem. 2007 Jan 26;282(4):2505-11.

Frequently Asked Questions

What is the CAS number of Wortmannin?

The CAS number of Wortmannin is 19545-26-7.

What are the molecular formula and molecular weight of Wortmannin?

Wortmannin has molecular formula C23H24O8 and molecular weight 428.432 g/mol.

Is Wortmannin hazardous?

Wortmannin has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of Wortmannin?

For Wortmannin, Upstream Products: 11β-Hydroxyandrost-4-ene-3,17-dione.

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

Last updated:

How to cite: Jingsj. "Wortmannin (CAS 19545-26-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30975-4 (accessed 2026-10-28).

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