1261669-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261669-52-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,6,6 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1261669-52:
(9*1)+(8*2)+(7*6)+(6*1)+(5*6)+(4*6)+(3*9)+(2*5)+(1*2)=166
166 % 10 = 6
So 1261669-52-6 is a valid CAS Registry Number.