815650-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 815650-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,5,6,5 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 815650-76:
(8*8)+(7*1)+(6*5)+(5*6)+(4*5)+(3*0)+(2*7)+(1*6)=171
171 % 10 = 1
So 815650-76-1 is a valid CAS Registry Number.