NISTC15503874
- CAS NO.：15503-87-4
- Empirical Formula: C18H25NO6
- Molecular Weight: 351.39
- MDL number: MFCD01684242
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:55:02
What is NISTC15503874?
Description
A pyrrolizidine alkaloid first isolated from Crotalaria usararnoensis E. G. Baker, this base has more recently been found in C. brevifolia and C. rnucronata. The alkaloid has [α]20D + 6.1° (c 0.38, EtOH) or + 7.1° (c 1.83, EtOH). It yields a picrate, m.p. 230- 2°C (dec.); picrolonate, m.p. 148-150°C (dec.); reineckate, m.p. 190-2°C (dec.) and methiodide, m.p. 229-230°C (dec.). Alkaline hydrolysis furnishes retronecine and retronecic acid, m.p. 177-9°C. It has been suggested that the base may be identical with Mucronatine (q.v.).
Definition
ChEBI: LSM-2938 is a macrolide.
Hazard
A poison.
References
Culvenor, Smith., Austral. J. Chern., 19,2127 (1966)
Sawhney et al., Ind. J. Chern., 5, 655 (1967)
Properties of NISTC15503874
| Melting point: | 178-180℃ |
| Boiling point: | 583.2±50.0 °C(Predicted) |
| Density | 1.32±0.1 g/cm3 (20 ºC 760 Torr) |
| solubility | DMF: insol; DMSO: 1 mg/ml; Ethanol: insol; PBS (pH 7.2): 5 mg/ml |
| form | A solid |
| pka | 12.00±0.40(Predicted) |
| color | White to off-white |
| CAS DataBase Reference | 15503-87-4 |
Safety information for NISTC15503874
Computed Descriptors for NISTC15503874
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