72782-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72782-26-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,8 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72782-26:
(7*7)+(6*2)+(5*7)+(4*8)+(3*2)+(2*2)+(1*6)=144
144 % 10 = 4
So 72782-26-4 is a valid CAS Registry Number.