WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 462095

CAS#: 95851-37-9

Description: Kadsurenone is a platelet-activating factor receptor antagonist from Chinese herbal plant, haifenteng. It is a useful and promising treatment strategy for breast cancer bone metastases by blocking the PAF/PTAFR signaling pathway.

Chemical Structure

CAS# 95851-37-9

Theoretical Analysis

MedKoo Cat#: 462095
Name: Kadsurenone
CAS#: 95851-37-9
Chemical Formula: C21H24O5
Exact Mass: 356.1624
Molecular Weight: 356.418
Elemental Analysis: C, 70.77; H, 6.79; O, 22.44

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

Request quote for custom synthesis

Synonym: Kadsurenone; Denudatin B

IUPAC/Chemical Name: 6(2H)-Benzofuranone, 2-(3,4-dimethoxyphenyl)-3,3a-dihydro-3a-methoxy-3-methyl-5-(2-propenyl)-, (2S-(2alpha,3beta,3aalpha))-


InChi Code: InChI=1S/C21H24O5/c1-6-7-15-12-21(25-5)13(2)20(26-19(21)11-16(15)22)14-8-9-17(23-3)18(10-14)24-4/h6,8-13,20H,1,7H2,2-5H3/t13-,20+,21+/m1/s1

SMILES Code: O=C1C(CC=C)=C[C@]2(OC)[C@H](C)[C@@H](C3=CC=C(OC)C(OC)=C3)OC2=C1

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 356.418 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Kadsurenone distinguishes between different platelet activating factor receptor subtypes on macrophages and polymorphonuclear leucocytes. G. Lambrecht, M. J. Parnham Br J Pharmacol. 1986 Feb; 87(2): 287–289. doi: 10.1111/j.1476-5381.1986.tb10816.x PMCID: PMC1916546

2: Characterization of a platelet-activating factor receptor antagonist isolated from haifenteng (Piper futokadsura): specific inhibition of in vitro and in vivo platelet-activating factor-induced effects. T Y Shen, S B Hwang, M N Chang, T W Doebber, M H Lam, M S Wu, X Wang, G Q Han, R Z Li Proc Natl Acad Sci U S A. 1985 Feb; 82(3): 672–676. doi: 10.1073/pnas.82.3.672 PMCID: PMC397107

3: Antagonism of platelet activating factor-induced chemiluminescence in guinea-pig peritoneal macrophages in differing states of activation. M. J. Parnham, C. Bittner, G. Lambrecht Br J Pharmacol. 1989 Oct; 98(2): 574–580. doi: 10.1111/j.1476 5381.1989.tb12631.x PMCID: PMC1854744

4: Enhanced human monocyte cytotoxicity by platelet-activating factor. F H Valone, R Philip, R J Debs Immunology. 1988 Aug; 64(4): 715–718. PMCID: PMC1384996

5: Kadsurenone is a useful and promising treatment strategy for breast cancer bone metastases by blocking the PAF/PTAFR signaling pathwayTianhui Hou, Yan Lou, Shichang Li, Chenglong Zhao, Yingzheng Ji, Dongsheng Wang, Liang Tang, Ming Zhou, Wei Xu, Ming Qian, Zhipeng Wu, Jian Zhao, Haifeng Wei, Zhenxi Li, Jianru Xiao Oncol Lett. 2018 Aug; 16(2): 2255–2262.
Published online 2018 Jun 8. doi: 10.3892/ol.2018.8935 PMCID: PMC6036417

6: A Network Pharmacology-Based Strategy For Predicting Active Ingredients And Potential Targets Of LiuWei DiHuang Pill In Treating Type 2 Diabetes Mellitus Dan He, Jian-Hua Huang, Zhe-Yu Zhang, Qing Du, Wei-Jun Peng, Rong Yu, Si-Fang Zhang, Shui-Han Zhang, Yu-Hui Qin Drug Des Devel Ther. 2019; 13: 3989–4005. Published online 2019 Nov 28. doi: 10.2147/DDDT.S216644Correction in: Drug Des Devel Ther. 2020; 14: 949. PMCID: PMC6890936

7: Antagonism of Paf-induced oedema formation in rabbit skin: a comparison of different antagonists. P. G. Hellewell, T. J. Williams Br J Pharmacol. 1989 May; 97(1): 171–180. doi: 10.1111/j.1476-5381.1989.tb11939.x PMCID: PMC1854485

8: The inflammatory response of rabbit skin to topical arachidonic acid and its pharmacological modulation. D. Aked, S. J. Foster, A. Howarth, M. E. McCormick, H. C. Potts Br J Pharmacol. 1986 Oct; 89(2): 431–438. doi: 10.1111/j.1476-5381.1986.tb10277.x PMCID: PMC1917011

9: Stimulation of tumour necrosis factor release by cytotoxic analogues of platelet-activating factor. F H Valone, N M Ruis Immunology. 1992 May; 76(1): 24–29. PMCID: PMC1421731

10: Oxetane Synthesis through the Paternò-Büchi Reaction Maurizio D’Auria, Rocco Racioppi Molecules. 2013 Sep; 18(9): 11384 11428. Published online 2013 Sep 16. doi: 10.3390/molecules180911384 PMCID: PMC6269742