(11BS, 11'BS)-4,4'-(9,9-DIMETHYL-9H-XAN&

$123 - $396

Price

Brand	Packaging	Price	Product name
Sigma-Aldrich 682869	100mg	$123	(11bS,11′bS)-4,4′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin
Sigma-Aldrich 682869	500mg	$396	(11bS,11′bS)-4,4′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin

Melting point	195-207 °C (dec.)
optical activity	[α]22/D -245°, c = 1 in chloroform