1534391-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1534391-63-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,4,3,9 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1534391-63:
(9*1)+(8*5)+(7*3)+(6*4)+(5*3)+(4*9)+(3*1)+(2*6)+(1*3)=163
163 % 10 = 3
So 1534391-63-3 is a valid CAS Registry Number.