861609-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861609-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,6,0 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 861609-65:
(8*8)+(7*6)+(6*1)+(5*6)+(4*0)+(3*9)+(2*6)+(1*5)=186
186 % 10 = 6
So 861609-65-6 is a valid CAS Registry Number.