70528-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70528-73-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,2 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70528-73:
(7*7)+(6*0)+(5*5)+(4*2)+(3*8)+(2*7)+(1*3)=123
123 % 10 = 3
So 70528-73-3 is a valid CAS Registry Number.