20856-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20856-74-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,5 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20856-74:
(7*2)+(6*0)+(5*8)+(4*5)+(3*6)+(2*7)+(1*4)=110
110 % 10 = 0
So 20856-74-0 is a valid CAS Registry Number.