1262516-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1262516-23-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,5,1 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1262516-23:
(9*1)+(8*2)+(7*6)+(6*2)+(5*5)+(4*1)+(3*6)+(2*2)+(1*3)=133
133 % 10 = 3
So 1262516-23-3 is a valid CAS Registry Number.