Pseudostellarin GCAS# 156525-71-2 |
| Cas No. | 156525-71-2 | SDF | File under preparation. |
| PubChem ID | 172638471.0 | Appearance | Powder |
| Formula | C42H56N8O9 | M.Wt | 816.9 |
| Type of Compound | Amino Acids/Peptides | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | (3S,6S,9S,18S,21S,24S)-18,24-dibenzyl-21-(hydroxymethyl)-3-methyl-6-(2-methylpropyl)-1,4,7,13,16,19,22,25-octazatricyclo[25.3.0.09,13]triacontane-2,5,8,14,17,20,23,26-octone | ||
| SMILES | CC1C(=O)N2CCCC2C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NCC(=O)N3CCCC3C(=O)NC(C(=O)N1)CC(C)C)CC4=CC=CC=C4)CO)CC5=CC=CC=C5 | ||
| Standard InChIKey | SIPLGRFBAGTKMU-XKANRNEOSA-N | ||
| Standard InChI | InChI=1S/C42H56N8O9/c1-25(2)20-29-37(54)44-26(3)42(59)50-19-11-17-34(50)41(58)47-31(22-28-14-8-5-9-15-28)38(55)48-32(24-51)39(56)45-30(21-27-12-6-4-7-13-27)36(53)43-23-35(52)49-18-10-16-33(49)40(57)46-29/h4-9,12-15,25-26,29-34,51H,10-11,16-24H2,1-3H3,(H,43,53)(H,44,54)(H,45,56)(H,46,57)(H,47,58)(H,48,55)/t26-,29-,30-,31-,32-,33-,34?/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. | ||
Quality Control & MSDS
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Pseudostellarin G Dilution Calculator
Pseudostellarin G Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.2241 mL | 6.1207 mL | 12.2414 mL | 24.4828 mL | 30.6035 mL |
| 5 mM | 0.2448 mL | 1.2241 mL | 2.4483 mL | 4.8966 mL | 6.1207 mL |
| 10 mM | 0.1224 mL | 0.6121 mL | 1.2241 mL | 2.4483 mL | 3.0604 mL |
| 50 mM | 0.0245 mL | 0.1224 mL | 0.2448 mL | 0.4897 mL | 0.6121 mL |
| 100 mM | 0.0122 mL | 0.0612 mL | 0.1224 mL | 0.2448 mL | 0.306 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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Study on the correlation between external traits and intrinsic quality of Pseudostellariae Radix based on intelligent sensory evaluation and DESI-MSI technology.[Pubmed:42202756]
J Pharm Biomed Anal. 2026 Oct 15;279:117584.
Currently, the quality analysis methods for Pseudostellariae Radix (PR) are often time-consuming, costly, and operationally complex, which hinders growers, distributors, and consumers from making rapid, preliminary judgments regarding its intrinsic quality. This study established methods for the objective quantification of external trait indicators of PR using an electronic tongue, a colorimeter, and an ultra-fast gas chromatography electronic nose (UF-GC-EN). The intrinsic quality of PR was evaluated using heterophyllin A (HA), heterophyllin B (HB), Pseudostellarin G (PG), total polysaccharides (TPS), total saponins (TSS), and water-soluble extractives (WSE) as key indicators. The spatial distribution of cyclic peptide active ingredients and plant hormones in the swollen parts of PR was visualized using desorption electrospray ionization-mass spectrometry imaging (DESI-MSI). The results showed that, from the 29 trait parameters, 12 key trait parameters with the potential for quality discrimination were identified: diameter at the thickest part (DTP), single root weight (SRW), number of roots per 50 g (NPG), saltiness, yellowness index (YI), lightness (L*), red-green axis (a*), yellow-blue axis (b*), chroma (C*), hue angle (h degrees ), and peaks P4 and P12. Specifically, a deeper yellow color of PR was associated with a higher WSE content. The degree of root tuber swelling showed a significant positive correlation with TPS content, while exhibiting significant negative correlations with the contents of HB, HA, PG, and TSS. The saltiness value displayed highly significant positive correlations with HA and PG contents, but a highly significant negative correlation with WSE content. In the odor component fingerprint, two chromatographic peaks, P4 and P12, were both identified as 1-Hexen-3-ol, which possesses a grassy odor, and their peak areas showed highly significant negative correlations with the contents of both HA and PG. HA, HB, and PG were distinctly distributed in the phloem and periderm of the swollen parts of PR, while zeatin was concentrated in the cambium. By analyzing and validating the correlations between traits and quality, this study provides a statistical reference and demonstrates potential application prospects for the rapid assessment of the intrinsic quality of raw medicinal materials, including PR.
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