245071-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 245071-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,5,0,7 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 245071-20:
(8*2)+(7*4)+(6*5)+(5*0)+(4*7)+(3*1)+(2*2)+(1*0)=109
109 % 10 = 9
So 245071-20-9 is a valid CAS Registry Number.