86780-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86780-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,7,8 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 86780-81:
(7*8)+(6*6)+(5*7)+(4*8)+(3*0)+(2*8)+(1*1)=176
176 % 10 = 6
So 86780-81-6 is a valid CAS Registry Number.