742002-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 742002-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,0 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 742002-53:
(8*7)+(7*4)+(6*2)+(5*0)+(4*0)+(3*2)+(2*5)+(1*3)=115
115 % 10 = 5
So 742002-53-5 is a valid CAS Registry Number.