55002-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55002-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,0 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55002-74:
(7*5)+(6*5)+(5*0)+(4*0)+(3*2)+(2*7)+(1*4)=89
89 % 10 = 9
So 55002-74-9 is a valid CAS Registry Number.