920503-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 920503-79-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,5,0 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 920503-79:
(8*9)+(7*2)+(6*0)+(5*5)+(4*0)+(3*3)+(2*7)+(1*9)=143
143 % 10 = 3
So 920503-79-3 is a valid CAS Registry Number.