Cymarin

Cymarin
Clinical data

ATC code	C01AC03 (WHO)
Identifiers
IUPAC name (3S,5S,8R,10S,13R,14S,17R)-5,14-dihydroxy-3-((2R,4S,5S,6R)-5-hydroxy-4-methoxy-6-methyltetrahydro-2H-pyran-2-yloxy)-13-methyl-17-(5-oxo-2,5-dihydrofuran-3-yl)hexadecahydro-1H-cyclopenta[a]phenanthrene-10-carbaldehyde
Synonyms	Cymarine; K-Strophanthin-α; NSC 7522; Strophantin K; WV 90043a; k-Strophanthin-α
CAS Number	(?) 508-77-0 (?)^N
PubChem CID	441853
ChemSpider	390429^N
UNII	UK3LS8435E
ChEMBL	CHEMBL1651908^Y
ECHA InfoCard	100.007.353
Chemical and physical data
Formula	C₃₀H₄₄O₉
Molar mass	548.665 g/mol
3D model (Jmol)	Interactive image
Melting point	148 °C (298 °F)
SMILES O=C\1OC/C(=C/1)[C@H]2CC[C@@]6(O)[C@]2(C)CC[C@H]4[C@H]6CC[C@]5(O)C[C@@H](O[C@@H]3O[C@@H]([C@@H](O)[C@@H](OC)C3)C)CC[C@]45C=O
InChI InChI=1S/C30H44O9/c1-17-26(33)23(36-3)13-25(38-17)39-19-4-9-28(16-31)21-5-8-27(2)20(18-12-24(32)37-15-18)7-11-30(27,35)22(21)6-10-29(28,34)14-19/h12,16-17,19-23,25-26,33-35H,4-11,13-15H2,1-3H3/t17-,19+,20-,21+,22-,23+,25+,26-,27-,28+,29+,30+/m1/s1^Y Key:XQCGNURMLWFQJR-ZNDDOCHDSA-N^Y
^NY (what is this?)

Cymarin (or cymarine) is a cardiac glycoside. Apocynum cannabinum used as a source of fiber by Native Americans and Apocynum venetum (Chinese: 羅布麻) used as a herbal tea in China both contain cymarin. Cymarin is a cardiac glycoside and an anti-arrhythmia and cardiotonic agent.