Triptoquinone ACAS# 142950-86-5 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 142950-86-5 | SDF | Download SDF |
| PubChem ID | 132524 | Appearance | Orange powder |
| Formula | C20H24O4 | M.Wt | 328.40 |
| Type of Compound | Quinones | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | (4aS,10aS)-1,4a-dimethyl-5,8-dioxo-7-propan-2-yl-4,9,10,10a-tetrahydro-3H-phenanthrene-2-carboxylic acid | ||
| SMILES | CC1=C(CCC2(C1CCC3=C2C(=O)C=C(C3=O)C(C)C)C)C(=O)O | ||
| Standard InChIKey | PDPFWAJAYGLYHD-YWZLYKJASA-N | ||
| Standard InChI | InChI=1S/C20H24O4/c1-10(2)14-9-16(21)17-13(18(14)22)5-6-15-11(3)12(19(23)24)7-8-20(15,17)4/h9-10,15H,5-8H2,1-4H3,(H,23,24)/t15-,20-/m0/s1 | ||
| 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. | ||
| Description | 1. Triptoquinone A has anti-inflammatory activity, it can significantly suppress smooth muscle relaxation and increase in cyclic GMP levels by nitric oxide (NO) in an L-arginine-induced relaxation experiment. 2. Triptoquinone A may be a useful candidate for the development of a drug as a potent inhibitor of iNOS gene over-expression. 3. Triptoquinone A prevents ndotoxin-or interleukin-1 beta-promoted induction of nitric oxide synthase in vascular smooth muscle, thus inhibiting development of L-arginine-induced vasorelaxation. |
| Targets | NO | NOS | IL Receptor |
Triptoquinone A Dilution Calculator
Triptoquinone A Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.0451 mL | 15.2253 mL | 30.4507 mL | 60.9013 mL | 76.1267 mL |
| 5 mM | 0.609 mL | 3.0451 mL | 6.0901 mL | 12.1803 mL | 15.2253 mL |
| 10 mM | 0.3045 mL | 1.5225 mL | 3.0451 mL | 6.0901 mL | 7.6127 mL |
| 50 mM | 0.0609 mL | 0.3045 mL | 0.609 mL | 1.218 mL | 1.5225 mL |
| 100 mM | 0.0305 mL | 0.1523 mL | 0.3045 mL | 0.609 mL | 0.7613 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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Inhibition by triptoquinone-A of LPS- and IL-1 beta-primed induction of NO synthase in rat thoracic aorta.[Pubmed:8699928]
Life Sci. 1996;59(3):PL49-54.
We investigated the effect of triptoquinone-A (TQA), an active principal of Triptergium wilfordii, on the induction of nitric oxide synthase (NOS) promoted by endotoxin (LPS) and interleukin-1 beta (IL-1 beta). Prophylactic application of TQA selectively prevented LPS-primed initiation of L-arginine (Arg)-induced relaxation, and cGMP formation of rat thoracic aorta, and LPS-stimulated nitrite production by cultured aortic smooth muscle cells, which appear to be mediated by NOS expressed by LPS in vascular smooth muscle. TQA also prevented IL-1 beta-triggered initiation of Arg-induced relaxation and nitrite accumulation. These results suggest that TQA prevents LPS-or IL-1 beta-promoted induction of NOS in vascular smooth muscle, thus inhibiting development of Arg-induced vasorelaxation.
Suppression of inducible nitric oxide synthase mRNA expression by tryptoquinone A.[Pubmed:8702429]
Biochem Biophys Res Commun. 1996 Jul 16;224(2):579-85.
Triptoquinone A (TQA), which is an anti-inflammatory constituent in plants, was studied for its suppressive effect on nitric oxide production by LPS. TQA significantly suppressed smooth muscle relaxation and increase in cyclic GMP levels by nitric oxide (NO) in an L-arginine-induced relaxation experiment. The mechanistic studies showed that TQA did not directly inhibit NO radicals and inducible nitric oxide synthase (iNOS) enzyme but suppressed IL-1 beta and iNOS mRNA expression by LPS. The suppression level of iNOS gene expression by TQA was comparable to that by dexamethasone. TQA may be a useful candidate for the development of a drug as a potent inhibitor of iNOS gene over-expression.
