1023539-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023539-15-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,5,3 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1023539-15:
(9*1)+(8*0)+(7*2)+(6*3)+(5*5)+(4*3)+(3*9)+(2*1)+(1*5)=112
112 % 10 = 2
So 1023539-15-2 is a valid CAS Registry Number.