Obtusin

Catalog	BBC70588055
CAS	70588-05-5
Structure
Synonyms	1,7-Dihydroxy-2,3,8-trimethoxy-6-methylanthracene-9,10-dione
IUPAC Name	1,7-Dihydroxy-2,3,8-trimethoxy-6-methylanthracene-9,10-dione
Molecular Weight	344.31
Molecular Formula	C18H16O7
Canonical SMILES	CC1=CC2=C(C(=C1O)OC)C(=O)C3=C(C(=C(C=C3C2=O)OC)OC)O
InChI	InChI=1S/C18H16O7/c1-7-5-8-12(18(25-4)13(7)19)15(21)11-9(14(8)20)6-10(23-2)17(24-3)16(11)22/h5-6,19,22H,1-4H3
InChI Key	CFLNHFUPWNRWJA-UHFFFAOYSA-N
Boiling Point	614.9±55.0 °C
Melting Point	244.5-246.0 °C
Flash Point	227.0±25.0 °C
Purity	98%
Density	1.409±0.06 g/ml
Appearance	Powder
pKa	6.16±0.20
Refractive Index	1.634
Vapor Pressure	0.0±1.8 mmHg at 25°C