k-strophanthidine

Structural formula
General
Surname	k-strophanthidine
other names	3 β , 5,14-trihydroxy-19-oxo-5 β , 14 β -card-20 (22) -enolide Corchorin
Molecular formula	C 23 H 32 O 6
Brief description	combustible solid
External identifiers / databases
CAS number 66-28-4 EC number 200-626-6 ECHA InfoCard 100,000,569 PubChem 6185 Wikidata Q1718068
properties
Molar mass	404.497 g · mol -1
Physical state	firmly
Melting point	173 ° C
solubility	little in water (816 mg l −1 at 25 ° C)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 300-310-330 P: 260-264-280-284-302 + 350-310
Toxicological data	330 µg 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 .

k-Strophanthidin , also strophanthidin , is a steroid from the group of cardenolides and is the aglycon of some cardiac glycosides :

• k-strophanthin-α , also h-strophanthin, cymarin, strophanthidin- D -cymaroside
• k-strophanthin-β , also k-strophanthin, strophoside, strophanthidin-glucocymaroside
• k-strophanthin-γ , also k-strophanthoside, strophanthidin-diglucocymaroside

• Convallatoxin , also strophanthidin- L- rhamnoside
• Convallosid , also strophanthidin-glucorhamnosid

Strophanthidin is included in the

• Lily of the valley herb ( Convallariae herba ) as convallatoxin, convallosid
• Seeds of Strophanthus kombe (Strophanthi kombe semen) as k-strophanthin-α, k-strophanthin-β and k-strophanthin-γ
• Adonis herb ( Adonidis herba ) as k-strophanthin-α

See also

• g-strophanthidine

Individual evidence

1. ↑ ^{a b c} Entry on strophanthidine in the GESTIS substance database of the IFA , accessed on February 13, 2017(JavaScript required) .
2. ↑ ^{a b c} Entry on K-strophanthidine in the ChemIDplus database of the United States National Library of Medicine (NLM) .
3. ↑ External identifiers of or database links to cymarin : CAS number: 508-77-0, EC number: 208-087-9, ECHA InfoCard: 100.007.353 , GESTIS substance database : 104483 , PubChem : 441853 , ChemSpider : 390429 , Wikidata : Q5199357 .
4. ↑ External identifiers or database links to k-strophanthin-β : CAS number: 560-53-2, EC number: 209-210-9, ECHA InfoCard: 100.008.374 , PubChem : 20055294 , ChemSpider : 16736548 , Wikidata : Q27149806 .
5. ↑ External identifiers of or database links to k-strophanthin-γ : CAS number: 33279-57-1, EC number: 251-439-1, ECHA InfoCard: 100.046.748 , GESTIS substance database : 138924 , PubChem : 441872 , ChemSpider : 390448 , Wikidata : Q27108663 .