861506-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861506-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,5,0 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 861506-86:
(8*8)+(7*6)+(6*1)+(5*5)+(4*0)+(3*6)+(2*8)+(1*6)=177
177 % 10 = 7
So 861506-86-7 is a valid CAS Registry Number.