74245-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74245-34-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,4 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74245-34:
(7*7)+(6*4)+(5*2)+(4*4)+(3*5)+(2*3)+(1*4)=124
124 % 10 = 4
So 74245-34-4 is a valid CAS Registry Number.