(+)-5,7-Dichloro-4-hydroxy-6'-methoxy-6-methyl-3,4'-dioxospiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-2'-carboxylic acid is a complex organic compound with a molecular formula of C16H13Cl2O6. It is a chiral molecule, indicated by the "(+)" sign, which denotes the specific enantiomeric form of the compound. (+)-5,7-Dichloro-4-hydroxy-6'-methoxy-6-methyl-3,4'-dioxospiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-2'-carboxylic acid features a spiro structure, which is a fused ring system where two rings share a common atom. The benzofuran ring is part of this spiro system, and it is fused with a cyclohexadiene ring. The molecule contains two chlorine atoms at the 5 and 7 positions, a hydroxyl group at the 4 position, a methoxy group at the 6' position, and a methyl group at the 6 position. Additionally, it has a carboxylic acid group at the 2' position, which contributes to its acidic properties. (+)-5,7-Dichloro-4-hydroxy-6'-methoxy-6-methyl-3,4'-dioxospiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-2'-carboxylic acid is known for its potential biological activities and is often studied for its pharmacological properties.
The CAS Registry Mumber 3405-51-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,0 and 5 respectively; the second part has 2 digits, 5 and 1 respectively. Calculate Digit Verification of CAS Registry Number 3405-51: (6*3)+(5*4)+(4*0)+(3*5)+(2*5)+(1*1)=64 64 % 10 = 4 So 3405-51-4 is a valid CAS Registry Number.