Ouabagenin

Structural formula
General
Surname	Ouabagenin
other names	g-strophanthidine 1 β , 3 β , 5.11 α , 14,19-hexahydroxy-5 β , 14 β -card-20 (22) -enolide
Molecular formula	C 23 H 34 O 8
External identifiers / databases
CAS number 508-52-1 EC number 637-151-2 ECHA InfoCard 100.164.882 PubChem 12313812 Wikidata Q1724241
properties
Molar mass	438.511 g · mol -1
Physical state	firmly
Melting point	236.5 ° C
solubility	slightly soluble in water (1830 mg l −1 at 25 ° C)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 300-331-373 P: 261-264-301 + 310-311
Toxicological data	32 mg kg −1 ( LD 50 ,  mouse ,  iv )
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Ouabagenin , also g-strophanthidin , is a steroid from the hydrolysis of the cardiac glycoside ouabain , which occurs in Strophanthus gratus and Acokanthera ouabaio .

Structure and properties

Structurally, ouabagenin is one of the cardenolides , a group of steroids that have an effect on the heart and which have an unsaturated γ-lactone as their common structural feature .

See also

• k-strophanthidine

Individual evidence

1. ↑ ^{a b c} Entry on ouabagenin in the ChemIDplus database of the United States National Library of Medicine (NLM) .
2. ↑ ^{a b} Ouabagenin data sheet at Sigma-Aldrich , accessed on April 16, 2011 ( PDF ).