1253216-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253216-05-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,2,1 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1253216-05:
(9*1)+(8*2)+(7*5)+(6*3)+(5*2)+(4*1)+(3*6)+(2*0)+(1*5)=115
115 % 10 = 5
So 1253216-05-5 is a valid CAS Registry Number.