72564-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72564-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,6 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72564-77:
(7*7)+(6*2)+(5*5)+(4*6)+(3*4)+(2*7)+(1*7)=143
143 % 10 = 3
So 72564-77-3 is a valid CAS Registry Number.