438528-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438528-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,5,2 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 438528-70:
(8*4)+(7*3)+(6*8)+(5*5)+(4*2)+(3*8)+(2*7)+(1*0)=172
172 % 10 = 2
So 438528-70-2 is a valid CAS Registry Number.