PrzewalskinCAS# 119400-87-2 |
Quality Control & MSDS
3D structure
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Number of papers citing our products
| Cas No. | 119400-87-2 | SDF | Download SDF |
| PubChem ID | 14139389 | Appearance | Powder |
| Formula | C18H24O2 | M.Wt | 272.4 |
| Type of Compound | Diterpenoids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| SMILES | CC1=C(C=C2C(=C1)C3CC4C2(CCCC4(C)C)CO3)O | ||
| Standard InChIKey | RHXIVZRYHFCBDN-BQFCYCMXSA-N | ||
| Standard InChI | InChI=1S/C18H24O2/c1-11-7-12-13(8-14(11)19)18-6-4-5-17(2,3)16(18)9-15(12)20-10-18/h7-8,15-16,19H,4-6,9-10H2,1-3H3/t15-,16-,18-/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 | Przewalskin A and Przewalskin B showed modest anti-HIV-1 activity with EC50 = 41 and 30 microg/mL, respectively. |
| Targets | HIV |
| In vitro | Two new abietane diterpenoids from Salvia yunnanensis.[Pubmed: 16450305]Planta Med. 2006 Jan;72(1):84-6.Two new abietane diterpenoids, yunnannin A and danshenol C, were isolated from Salvia yunnanensis together with ten known diterpenoids, danshenol A, Przewalskin, tanshinone IIA, tanshinone I, crypotanshinone, 1,2-dihydrotanshinone, tanshinlactone, 5,6-dehydrosugiol, 12-hydroxy-6,7-seco-8,11,3-abietatriene-6,7-dial and phytol. Przewalskin A: A new C23 terpenoid with a 6/6/7 carbon ring skeleton from Salvia przewalskii maxim.[Pubmed: 16986923]Org.Lett.,2006 Sep 28;8(20):4453-6.
Przewalskin B, a novel diterpenoid with an unprecedented skeleton from Salvia przewalskii maxim.[Pubmed: 17217287 ]Org Lett. 2007 Jan 18;9(2):291-3.P |
| Structure Identification | J Agric Food Chem. 2009 Aug 12;57(15):6879-87.Chemical characteristics of Salvia miltiorrhiza (Danshen) collected from different locations in China.[Pubmed: 19601629]
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Przewalskin Dilution Calculator
Przewalskin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 3.6711 mL | 18.3554 mL | 36.7107 mL | 73.4214 mL | 91.7768 mL |
| 5 mM | 0.7342 mL | 3.6711 mL | 7.3421 mL | 14.6843 mL | 18.3554 mL |
| 10 mM | 0.3671 mL | 1.8355 mL | 3.6711 mL | 7.3421 mL | 9.1777 mL |
| 50 mM | 0.0734 mL | 0.3671 mL | 0.7342 mL | 1.4684 mL | 1.8355 mL |
| 100 mM | 0.0367 mL | 0.1836 mL | 0.3671 mL | 0.7342 mL | 0.9178 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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Two new abietane diterpenoids from Salvia yunnanensis.[Pubmed:16450305]
Planta Med. 2006 Jan;72(1):84-6.
Two new abietane diterpenoids, yunnannin A and danshenol C, were isolated from Salvia yunnanensis together with ten known diterpenoids, danshenol A, Przewalskin, tanshinone IIA, tanshinone I, crypotanshinone, 1,2-dihydrotanshinone, tanshinlactone, 5,6-dehydrosugiol, 12-hydroxy-6,7-seco-8,11,3-abietatriene-6,7-dial and phytol. Their structures were established based on spectroscopic data, chemical reactions and comparison with literature data. Compounds were tested for their antitumor activity in T-24, QGY, K562, Me180 and BIU87 cell lines. Compound showed inhibited growth of K562 (IC50=0.53 microg/mL), T-24 (IC50=7.94 microg/mL), QGY (IC50=4.65 microg/mL) and Me180 (IC50=6.89 microg/mL) cell lines while compound was inactive. Compound showed moderate inhibitory activity on QGY (IC50=16.75 microg/mL) and Me180 (IC50=5.84 microg/mL) cells.
Przewalskin B, a novel diterpenoid with an unprecedented skeleton from Salvia przewalskii maxim.[Pubmed:17217287]
Org Lett. 2007 Jan 18;9(2):291-3.
Przewalskin B (1), a novel diterpenoid possessing a unique skeleton, was isolated from a Chinese medicinal plant Salvia przewalskii. Its structure and relative stereochemistry were elucidated by extensive NMR analysis and a single-crystal X-ray study. A possible biosynthetic pathway for 1 was proposed. Compound 1 exhibited modest anti-HIV-1 activity with EC50 = 30 microg/mL. [structure: see text].
Chemical characteristics of Salvia miltiorrhiza (Danshen) collected from different locations in China.[Pubmed:19601629]
J Agric Food Chem. 2009 Aug 12;57(15):6879-87.
The chemical characteristics of Salvia miltiorrhiza , also called "danshen" in China, were investigated on the basis of the simultaneous quantitative determination of 13 hydrophilic and lipophilic compounds, namely, protocatechuic acid, protocatechuic aldehyde, caffeic acid, ferulic acid, isoferulic acid, rosmarinic acid, salvianolic acid B, salvianolic acid A, dihydrotanshinone I, Przewalskin, cryptotanshinone, tanshinone I, and tanshinone IIA, in 74 samples collected from different locations using ultraperformance liquid chromatography (UPLC). Hierarchical clustering analysis based on 13 investigated compounds and the similarity of the entire chromatographic pattern showed that S. miltiorrhiza was significantly different from Salvia przewalskii , an adulterant of danshen. The chemical characteristics of S. miltiorrhiza collected from different locations in China were revealed, and salvianolic acid B, rosmarinic acid, cryptotanshinone, and tanshinones I and IIA were optimized as markers for the evaluation, which is helpful in the quality control of S. miltiorrhiza.
Przewalskin A: A new C23 terpenoid with a 6/6/7 carbon ring skeleton from Salvia przewalskii maxim.[Pubmed:16986923]
Org Lett. 2006 Sep 28;8(20):4453-6.
Przewalskin A (1), a novel C23 terpenoid with a 6/6/7 carbon ring skeleton, was isolated from Salvia przewalskii. Its structure was determined by comprehensive 1D NMR, 2D NMR, and MS spectroscopic analysis and subsequently confirmed by a single-crystal X-ray diffraction study of its PDC oxidation derivative (2). Compounds 1 and 2 showed modest anti-HIV-1 activity with EC50 = 41 and 89 microg/mL, respectively.
