261965-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 261965-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,9,6 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 261965-85:
(8*2)+(7*6)+(6*1)+(5*9)+(4*6)+(3*5)+(2*8)+(1*5)=169
169 % 10 = 9
So 261965-85-9 is a valid CAS Registry Number.