1533457-61-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1533457-61-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,3,4,5 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1533457-61:
(9*1)+(8*5)+(7*3)+(6*3)+(5*4)+(4*5)+(3*7)+(2*6)+(1*1)=162
162 % 10 = 2
So 1533457-61-2 is a valid CAS Registry Number.