74925-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74925-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,2 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74925-16:
(7*7)+(6*4)+(5*9)+(4*2)+(3*5)+(2*1)+(1*6)=149
149 % 10 = 9
So 74925-16-9 is a valid CAS Registry Number.