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

MedKoo CAT#: 412227

CAS#: 61020-70-0

Description: Cajanol is an antifungal phytoalexin from Cajanus cajan. In recent studies, Cajanol has anticancer properties.

Chemical Structure

CAS# 61020-70-0

Theoretical Analysis

MedKoo Cat#: 412227
Name: Cajanol
CAS#: 61020-70-0
Chemical Formula: C17H16O6
Exact Mass: 316.0947
Molecular Weight: 316.31
Elemental Analysis: C, 64.55; H, 5.10; O, 30.35

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 or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Cajanol; UNII-U192S21MNA

IUPAC/Chemical Name: 5-hydroxy-3-(4-hydroxy-2-methoxyphenyl)-7-methoxychroman-4-one


InChi Code: InChI=1S/C17H16O6/c1-21-10-6-13(19)16-15(7-10)23-8-12(17(16)20)11-4-3-9(18)5-14(11)22-2/h3-7,12,18-19H,8H2,1-2H3

SMILES Code: COc1cc2c(C(C(c3c(OC)cc(O)cc3)CO2)=O)c(O)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 316.31 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

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1: Vo TT, Yang NC, Yang SE, Chen CL, Wu CH, Song TY. Effects of Cajanus cajan (L.) millsp. roots extracts on the antioxidant and anti-inflammatory activities. Chin J Physiol. 2020 May-Jun;63(3):137-148. doi: 10.4103/CJP.CJP_88_19. PMID: 32594067.

2: Zhao J, Li C, Wang W, Zhao C, Luo M, Mu F, Fu Y, Zu Y, Yao M. Hypocrea lixii, novel endophytic fungi producing anticancer agent cajanol, isolated from pigeon pea (Cajanus cajan [L.] Millsp.). J Appl Microbiol. 2013 Jul;115(1):102-13. doi: 10.1111/jam.12195. Epub 2013 Apr 5. PMID: 23495919.

3: Liang L, Gao C, Luo M, Zhao C, Wang W, Gu C, Yu J, Fu Y. The phytoestrogenic compound cajanol from Pigeonpea roots is associated with the activation of estrogen receptor α-dependent signaling pathway in human prostate cancer cells. Phytother Res. 2013 Dec;27(12):1834-41. doi: 10.1002/ptr.4937. Epub 2013 Feb 19. PMID: 23420757.

4: Yingkun N, Lvsong Z, Huimin Y. Shikonin inhibits the proliferation and induces the apoptosis of human HepG2 cells. Can J Physiol Pharmacol. 2010 Dec;88(12):1138-46. doi: 10.1139/Y10-085. PMID: 21164560.

5: Liu XL, Zhang XJ, Fu YJ, Zu YG, Wu N, Liang L, Efferth T. Cajanol inhibits the growth of Escherichia coli and Staphylococcus aureus by acting on membrane and DNA damage. Planta Med. 2011 Jan;77(2):158-63. doi: 10.1055/s-0030-1250146. Epub 2010 Aug 27. PMID: 20803417.

6: Luo M, Liu X, Zu Y, Fu Y, Zhang S, Yao L, Efferth T. Cajanol, a novel anticancer agent from Pigeonpea [Cajanus cajan (L.) Millsp.] roots, induces apoptosis in human breast cancer cells through a ROS-mediated mitochondrial pathway. Chem Biol Interact. 2010 Oct 6;188(1):151-60. doi: 10.1016/j.cbi.2010.07.009. Epub 2010 Jul 16. PMID: 20638373.

7: Duker-Eshun G, Jaroszewski JW, Asomaning WA, Oppong-Boachie F, Brøgger Christensen S. Antiplasmodial constituents of Cajanus cajan. Phytother Res. 2004 Feb;18(2):128-30. doi: 10.1002/ptr.1375. PMID: 15022164.

8: Marley PS, Hillocks RJ. Induction of phytoalexins in pigeonpea (Cajanus cajan) in response to inoculation with Fusarium udum and other treatments. Pest Manag Sci. 2002 Oct;58(10):1068-72. doi: 10.1002/ps.586. PMID: 12400448.

9: Ingham JL. Induced isoflavonoids from fungus-infected stems of pigeon pea (Cajanus cajan). Z Naturforsch C Biosci. 1976 Sep-Oct;31(9-10):504-8. doi: 10.1515/znc-1976-9-1005. PMID: 136119.