20992-86-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20992-86-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,9 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20992-86:
(7*2)+(6*0)+(5*9)+(4*9)+(3*2)+(2*8)+(1*6)=123
123 % 10 = 3
So 20992-86-3 is a valid CAS Registry Number.