861305-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861305-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,3,0 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 861305-15:
(8*8)+(7*6)+(6*1)+(5*3)+(4*0)+(3*5)+(2*1)+(1*5)=149
149 % 10 = 9
So 861305-15-9 is a valid CAS Registry Number.