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Enmein shows a significant inhibitory effect toward human tumor cell K562 with IC(50) values ranging from 3.2 μg/ml to 8.2 μg/ml.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $628 | Backorder | |
| 5 mg | $1,752 | Backorder | |
| 10 mg | Inquiry | Backorder |
| Description | Enmein shows a significant inhibitory effect toward human tumor cell K562 with IC(50) values ranging from 3.2 μg/ml to 8.2 μg/ml. |
| In vitro | Four new ent-kaurane diterpenoids, sculponeatins F-I (1-4), together with six known compounds, sculponeatin E (5), epi-nodosin (6), epi-nodosinol (7), Enmein (8), and macrocalyxoformins A and B (9 and 10), were isolated from the leaves of Isodon sculponeata. Also obtained were ursolic acid, 2alpha,3beta-dihydroxy-urs-12-en-28-oic acid, 2alpha,3beta,19alpha-trihydroxy-urs-12-en-28-oic acid, beta-sitosterol, daucosterol, quercetin, pedalitin, rosmarinic acid, caffeic acid and ethyl caffeic acid. Their structures were determined by spectral methods (1D-, 2D-NMR and MS). Some diterpenoids were tested for their cytotoxicity to inhibit three kinds of human tumor cells K562, A549 and T24. |
| Molecular Weight | 362.42 |
| Formula | C20H26O6 |
| Cas No. | 3776-39-4 |
| Smiles | CC1(C)[C@@H](O)C[C@H]2[C@@]3([C@@H]4CC[C@@H]5C[C@@]4(C(O2)=O)C(C5=C)=O)[C@@H]1[C@H](O)OC3 |
| Relative Density. | 1.37 g/cm3 (Predicted) |
| Color | Yellow |
| Appearance | Solid |
| Storage | store at low temperature,keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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