727422-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 727422-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,7,4,2 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 727422-81:
(8*7)+(7*2)+(6*7)+(5*4)+(4*2)+(3*2)+(2*8)+(1*1)=163
163 % 10 = 3
So 727422-81-3 is a valid CAS Registry Number.