1,3,2,4-Dioxaphosphastannetane,
4,4-dibutyl-2-(2,4,5-trichlorophenoxy)-, 2-sulfide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 89683-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,8 and 3 respectively; the second part has 2 digits, 7 and 8 respectively. Calculate Digit Verification of CAS Registry Number 89683-78: (7*8)+(6*9)+(5*6)+(4*8)+(3*3)+(2*7)+(1*8)=203 203 % 10 = 3 So 89683-78-3 is a valid CAS Registry Number.