1321686-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1321686-53-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,6,8 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1321686-53:
(9*1)+(8*3)+(7*2)+(6*1)+(5*6)+(4*8)+(3*6)+(2*5)+(1*3)=146
146 % 10 = 6
So 1321686-53-6 is a valid CAS Registry Number.