Siegesmethyetheric acid

Siegesmethyetheric acid
Product Name Siegesmethyetheric acid
CAS No.: 196399-16-3
Catalog No.: CFN93224
Molecular Formula: C21H34O3
Molecular Weight: 334.50 g/mol
Purity: >=98%
Type of Compound: Diterpenoids
Physical Desc.: Powder
Source: The herbs of Siegesbeckia orientalis L.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price:
Reference standards.
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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.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
  • Antimicrob Agents Chemother.2024, e0031424.
  • J Cell Mol Med.2023, 27(10):1423-1435.
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  • ACS Synth Biol.2022, doi: 10.1021.
  • Curr Issues Mol Biol.2022, 44(5):2300-2308.
  • Phytomedicine.2024, 125:155350.
  • Front Pharmacol.2021, 12:615157.
  • Pharmaceuticals (Basel).2021, 14(3):260.
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    Acta Pharmaceutica Sinica, 1997, 32(4):282-285.
    Studies on liposoluble constituents from the aerial parts of Siegesbeckia orientalis L.[Reference: WebLink]
    Eight compounds were isolated from the aerial parts of Siegesbeckia orientalis L. and their structures were elucidated by spectroscopic methods(IR, EI-MS, 13C-NMR, 1H-NMR, 1H-1H COSY, 1H-1H NOESY and 1H-13C COSY).
    METHODS AND RESULTS:
    Compounds I and II are new natural products and named siegesesteric acid(I) and siegesetheric acid(II), their structures were confirmed as ent-17-acetoxy-18-isobutyryloxy-16(alpha)-kauran-19-oic acid(I) and ent-17-ethoxy-16(alpha)-(-)-kauran-19-oic acid(II). The others were identified as known compounds: ent-16 beta, 17-dihydroxy-kauran-19-oic acid (III), kirenol(IV), beta-sitosteryl glucoside(V), heneicosanol(VI), methyl arachidate(VII) and beta-sitosterol(VIII).
    CONCLUSIONS:
    These compounds, except kirenol and beta-sitosterol, were isolated for the first time from the title plant.
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