The chemical compound "1H,3H-Pyrano[4,3-b][1]benzopyran-9-carboxylic acid, 4,10-dihydro-3-hydroxy-7,8-dimethoxy-3-methyl-10-oxo-" is a complex organic molecule with a molecular formula of C17H16O8. It is a derivative of the benzopyran class of compounds, which are characterized by a benzene ring fused to a pyran ring. This specific compound features a carboxylic acid group at the 9-position, a hydroxyl group at the 3-position, and two methoxy groups at the 7 and 8 positions. The 3-methyl group indicates a methyl substituent at the 3-position, and the 10-oxo group signifies a carbonyl group at the 10-position. 1H,3H-Pyrano[4,3-b][1]benzopyran-9-carboxylic acid,
4,10-dihydro-3-hydroxy-7,8-dimethoxy-3-methyl-10-oxo- is known for its potential biological activities and is often found in the context of natural products and pharmaceutical research.
The CAS Registry Mumber 95730-82-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,7,3 and 0 respectively; the second part has 2 digits, 8 and 2 respectively. Calculate Digit Verification of CAS Registry Number 95730-82: (7*9)+(6*5)+(5*7)+(4*3)+(3*0)+(2*8)+(1*2)=158 158 % 10 = 8 So 95730-82-8 is a valid CAS Registry Number.