71920-86-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71920-86-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,2 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71920-86:
(7*7)+(6*1)+(5*9)+(4*2)+(3*0)+(2*8)+(1*6)=130
130 % 10 = 0
So 71920-86-0 is a valid CAS Registry Number.