Piperkadsin ACAS# 895543-36-9 |
Quality Control & MSDS
Package In Stock
Number of papers citing our products
| Cas No. | 895543-36-9 | SDF | Download SDF |
| PubChem ID | N/A | Appearance | Powder |
| Formula | C21H24O5 | M.Wt | 356.41 |
| Type of Compound | Lignanoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
Piperkadsin A Dilution Calculator
Piperkadsin A Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.8058 mL | 14.0288 mL | 28.0576 mL | 56.1151 mL | 70.1439 mL |
| 5 mM | 0.5612 mL | 2.8058 mL | 5.6115 mL | 11.223 mL | 14.0288 mL |
| 10 mM | 0.2806 mL | 1.4029 mL | 2.8058 mL | 5.6115 mL | 7.0144 mL |
| 50 mM | 0.0561 mL | 0.2806 mL | 0.5612 mL | 1.1223 mL | 1.4029 mL |
| 100 mM | 0.0281 mL | 0.1403 mL | 0.2806 mL | 0.5612 mL | 0.7014 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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New free radical scavenging neolignans from fruits of Piper attenuatum.[Pubmed:25829760]
Pharmacogn Mag. 2015 Apr-Jun;11(42):235-41.
OBJECTIVE: The aim was to study and identify free radicals scavenging and antihyperglycemic principles in fruit of Piper attenuatum. MATERIALS AND METHODS: Bioassay guided identification of extracts possessing potent free radical scavenging activity, and isolation of compounds was done. Chloroform extract of P. attenuatum possessing potent radical scavenging activity was also evaluated for antihyperglycemic activity following oral glucose tolerance test in rats. RESULTS: Nine neolignans namely, denudatin B (1), iso-4', 5'-dimethoxy-3, 4-methylenedioxy-2'-oxo-Delta(3',5',8')-8.1'-lignan (2), lancifolin D (3), denudatin A (4), wallichinin (5), piperenone (6), lancifolin C (7), 2-oxo-piperol B (8), Piperkadsin A (9) and a crotepoxide (10) was identified in Chloroform extract of P. attenuatum. Neolignans (1-9) displayed potent 2, 2'-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) radical and Piperkadsin A (9) also displayed 1, 1-diphenyl-2-picrylhydrazyl radical scavenging activity. Analysis of structure-activity relationship revealed that presence of furan ring and methoxy groups is an important criterion to influence 2, 2'-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) radical scavenging potentials. Chloroform extract of P. attenuatum fruit could not display antihyperglycemic activity following oral glucose tolerance test in rats. CONCLUSION: Neolignans present in P. attenuatum fruits are potent free radical scavengers and this is the first report identifying these compounds and activities in this fruit.
Anti-inflammatory neolignans from Piper kadsura.[Pubmed:16724856]
J Nat Prod. 2006 May;69(5):842-4.
Two new neolignans, Piperkadsin A (1) and piperkadsin B (2), as well as 11 known neolignans, three known alkaloids, the highly oxygenated compound (+)-crotepoxide, and stigmasterol were isolated from the stems of Piper kadsura. The anti-inflammatory activities of these compounds were evaluated. Compounds 1, 2, futoquinol (3), piperlactam S (4), and N-p-coumaroyl tyramine (5) showed potent inhibition of PMA-induced ROS production in human polymorphonuclear neutrophils with IC(50) values 4.3 +/-1.0, 12.2 +/- 3.2, 13.1 +/- 5.3, 7.0 +/- 1.9, and 8.4 +/- 1.3 microM, respectively.
