20854-47-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20854-47-1 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 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20854-47:
(7*2)+(6*0)+(5*8)+(4*5)+(3*4)+(2*4)+(1*7)=101
101 % 10 = 1
So 20854-47-1 is a valid CAS Registry Number.