74151-83-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74151-83-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,5 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74151-83:
(7*7)+(6*4)+(5*1)+(4*5)+(3*1)+(2*8)+(1*3)=120
120 % 10 = 0
So 74151-83-0 is a valid CAS Registry Number.