| Field | Specification |
|---|---|
| CAS no. | |
| Applications | |
| Source | Plant — Leguminosae Tephrosia candida DC.; Plant — Compositae |
| Molecular weight | |
| Molecular formula | C26H42O9 |
| SMILES | |
| Storage | |
| Shipping | |
| Catalog no. (Mfr.) | |
| Main SKU |
Compound Overview
Pubeside D is a kaurane-type diterpenoid glycoside found in Siegesbeckia glabrescens, Siegesbeckia orientalis and Siegesbeckia pubescens[1][2][3].
It has the molecular formula C26H42O9 and a molecular weight of 498.61 g/mol.
Physical & Chemical Properties
| CAS Number | 335150-90-8 |
|---|---|
| Molecular Formula | C26H42O9 |
| Molecular Weight | 498.61 g/mol |
| Structure Classification | Terpenoids Diterpenoids |
| SMILES | C[C@]12[C@@]([C@@](CO[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)(C)CC(=O)C1)(CCC=4[C@]2(CC[C@@]([C@H](CO)O)(C)C4)[H])[H] |
| Initial Source | Plant — Leguminosae Tephrosia candida DC.; Plant — Compositae |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Shipping | Room temperature in continental US; may vary elsewhere. |
Literature Cited
Sources cited in this description and in the In Vitro & In Vivo Data tab. Peer-reviewed publications that used this product are listed under References.
[1]. Xiong J, et al. New diterpenoid glucosides from Siegesbeckia pubescens. Chin Chem Lett. 2001;12(1):51-54.
Safety
For Research Use Only. Not for use in diagnostic or therapeutic procedures, and not for human or veterinary use. Handle in accordance with your institution's chemical hygiene plan.
In Vitro
Pubeside D, isolated from Siegesbeckia pubescens, is identified as ent-2-oxo-15,16,19-trihydroxypimar-8(14)-en-19-O-β-D-glucopyranoside, with molecular formula C26H42O9, distinct NMR spectral profiles, and a melting point of 250-253°C[1]. Pubeside D is an ent-pimarane glucopyranoside with a C-2 carbonyl substituent and glycosidic substitution on the C-18 side chain; it is found in the aerial parts of Sigesbeckia orientalis L. as well as Sigesbeckia pubescens Markino[2].
Data provided by the manufacturer. Numbered citations refer to the Literature Cited list in the product description.
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