861542-51-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861542-51-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,5,4 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 861542-51:
(8*8)+(7*6)+(6*1)+(5*5)+(4*4)+(3*2)+(2*5)+(1*1)=170
170 % 10 = 0
So 861542-51-0 is a valid CAS Registry Number.