264916-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 264916-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,9,1 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 264916-84:
(8*2)+(7*6)+(6*4)+(5*9)+(4*1)+(3*6)+(2*8)+(1*4)=169
169 % 10 = 9
So 264916-84-9 is a valid CAS Registry Number.