77413-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77413-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,1 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77413-97:
(7*7)+(6*7)+(5*4)+(4*1)+(3*3)+(2*9)+(1*7)=149
149 % 10 = 9
So 77413-97-9 is a valid CAS Registry Number.