The chemical formula provided represents a compound where the cation is dibutyltin(II) and the anion is sulfite. The cation, dibutyltin(II), is formed by two butyl groups (C4H9) attached to a tin (Sn) atom with a +2 oxidation state. The anion, sulfite, is represented by SO3^2-, indicating that it has three oxygen atoms and carries a -2 charge. The overall compound is neutral, with the positive charge of the cation balancing the negative charge of the anion. (C4H9)2Sn(2+)*SO3(2-)=(C4H9)2SnSO3 is an organotin compound, which is a type of organometallic compound that contains carbon-tin bonds. Organotin compounds are known for their applications in various fields, including as catalysts, stabilizers, and biocides.
The CAS Registry Mumber 22709-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,0 and 9 respectively; the second part has 2 digits, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 22709-77: (7*2)+(6*2)+(5*7)+(4*0)+(3*9)+(2*7)+(1*7)=109 109 % 10 = 9 So 22709-77-9 is a valid CAS Registry Number.