719262-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 719262-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,9,2,6 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 719262-57:
(8*7)+(7*1)+(6*9)+(5*2)+(4*6)+(3*2)+(2*5)+(1*7)=174
174 % 10 = 4
So 719262-57-4 is a valid CAS Registry Number.