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7-Hydroxycadalene
7-Hydroxycadalene
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Product Name 7-Hydroxycadalene
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CAS No.: 2102-75-2
Catalog No.: CFN89214
Molecular Formula: C15H18O
Molecular Weight: 214.30 g/mol
Purity: >=98%
Type of Compound: Sesquiterpenoids
Physical Desc.: Powder
Source: The dried flowers of Heterotheca inuloides Cass.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS
Similar structural: Comparison (Web)  (SDF)
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
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Biological Activity
Description: 7-Hydroxycadalene shows cytotoxicity activity against HCT-15 cell line with IC50 18.89 ± 1.2 uM.
Targets: 5-HT Receptor
In vitro:
J Ethnopharmacol. 2015 Dec 4;175:256-65.
Toxicological evaluation of the natural products and some semisynthetic derivatives of Heterotheca inuloides Cass (Asteraceae).[Pubmed: 26344038 ]
Evaluate the potential toxicity of the natural products isolated from H. inuloides and some semisynthetic derivatives.
METHODS AND RESULTS:
The toxic aspects of the following natural products isolated from dried flowers of H. inuloides: 7-hydroxy-3,4-dihydrocadalene (1), 7-Hydroxycadalene (2), 3,7-dihydroxy-3(4H)-isocadalen-4-one (3), (1R,4R)-1-hydroxy-4H-1,2,3,4- tetrahydrocadalen-15-oic acid (4), D-chiro-inositol (5), quercetin (6), quercetin-3,7,3'-trimethyl ether (7), quercetin-3,7,3',4'-tetramethyl ether (8), eriodictyol-7,4'-dimethyl ether (9), α-spinasterol (10), caryolan-1,9β-diol (11) and 7-(3,3-dimethylallyloxy)-coumarin (12) as well as the toxic aspects of the semisynthetic compounds 7-acetoxy-3,4-dihydrocadalene (13), 7-benzoxy-3,4-dihydrocadalene (14), 7-acetoxycadalene (15), 7-benzoxycadalene (16), quercetin pentaacetate (17), 7-hydroxycalamenene (18), 3,8-dimethyl-5-(1-methylethyl)-1,2-naphthoquinone (19), and 4-isopropyl-1,6-dimethylbenzo[c]oxepine-7,9-dione (20). Toxic activities of compounds were determined by sulforhodamine B (SRB) assay, Artemia salina assay, RAW264.7 macrophage cells. Additionally, the acute toxicity in mouse of compound 1, the major natural sesquiterpene isolated from the acetone extract, was evaluated.The best cytotoxicity activity was observed for mansonone C (19) on K562 cell line with IC50 1.45 ± 0.14 μM, for 7-Hydroxycadalene (2) on HCT-15 cell line with IC50 18.89 ± 1.2 μM, and for quercetin pentaacetate (17) on MCF-7 cell line with IC50 22.57 ± 2.4 μM. Sesquiterpenes mansonone C (19) and 7-hydroxy-3,4-dihydrocadalene (1) caused the strongest deleterious effects against A. salina with IC50 39.4 ± 1.07, and 45.47 ± 1.74 μM, respectively. The number of viable RAW 264.7 cells was reduced with sesquiterpenes 1 and 2 by more than 90%. In addition, the acute study of 1 revealed no lethal effects at 300 mg/kg body weight, however, a reduction in the body weight of mice, morphological changes in the tissues of the liver and kidney and toxic signs were observed at very high doses (2000 mg/kg).
CONCLUSIONS:
The results provided evidence for the cytotoxicity of Mexican arnica (H. inuloides) metabolites and may be correlated with one of the popular uses of this plant, in traditional Mexican medicine, as anticancer remedy. Among the active compounds contained in the acetone extract, the cytotoxic activity is mainly ascribable to cadinene type sesquiterpenes. In addition, evidence of acute toxicity suggests that 7-hydroxy-3,4-dihydrocadalene (1) may lead to toxicity at very high doses.
In vivo:
Eur J Pharmacol. 2010 Dec 15;649(1-3):154-60.
Antinociceptive effect of 7-hydroxy-3,4-dihydrocadalin isolated from Heterotheca inuloides: role of peripheral 5-HT₁ serotonergic receptors.[Pubmed: 20863828 ]
The purpose of this study was to investigate the possible antinociceptive effect of Heterotheca inuloides in inflammatory pain and to identify the main compounds involved in this effect.
METHODS AND RESULTS:
Dose-response curves were obtained for hexane, dichlorometane, ethyl acetate and methanol extracts from Heterotheca inuloides inflorescences in the formalin test. Hexane extract was more potent and effective than other extracts. Bio-guided fractionation was performed to determine the main antinociceptive compounds of the plant. Gas chromatography-mass spectrometry technique demonstrated the composition of the most active fraction from hexane extract revealing the presence of caryophyllene oxide, cedrene, 7-hydroxy-3,4-dihydrocadalin, 7-Hydroxycadalene and a compound not identified. The isolated compounds were individually evaluated in the formalin test in a preliminary dose of 100 μg/paw and only 7-hydroxy-3,4-dihydrocadalin showed a significant antinociceptive effect. Dose-response curves were then obtained for 7-hydroxy-3,4-dihydrocadalin and diclofenac, a prototypical analgesic drug. Both drugs were equieffective and equipotent in the second phase of the formalin test, but 7-hydroxy-3,4-dihydrocadalin was more effective and potent in the first phase than diclofenac. In addition, 7-hydroxy-3,4-dihydrocadalin reduced carrageenan-induced mechanical hyperalgesia and inflammation in a dose-dependent manner. Finally, in mechanistic studies, the antinociceptive effect of 7-hydroxy-3,4-dihydrocadalin in the formalin test was prevented by methiothepin, WAY100635, SB224289 and BRL15572 but not by naltrexone.
CONCLUSIONS:
Results support the use of H. inuloides inflorescences as analgesic in the Mexican traditional medicine. Moreover, data indicate that 7-hydroxy-3,4-dihydrocadalin is partly responsible of this pharmacological activity, and suggest that 5-HT(1A), 5-HT(1B), and 5-HT(1D) serotonergic, but not opioid, receptors participate in the antinociceptive effect of this drug.
7-Hydroxycadalene Description
Source: The dried flowers of Heterotheca inuloides Cass.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 4.6664 mL 23.3318 mL 46.6636 mL 93.3271 mL 116.6589 mL
5 mM 0.9333 mL 4.6664 mL 9.3327 mL 18.6654 mL 23.3318 mL
10 mM 0.4666 mL 2.3332 mL 4.6664 mL 9.3327 mL 11.6659 mL
50 mM 0.0933 mL 0.4666 mL 0.9333 mL 1.8665 mL 2.3332 mL
100 mM 0.0467 mL 0.2333 mL 0.4666 mL 0.9333 mL 1.1666 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
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