438528-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438528-85-9 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, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 438528-85:
(8*4)+(7*3)+(6*8)+(5*5)+(4*2)+(3*8)+(2*8)+(1*5)=179
179 % 10 = 9
So 438528-85-9 is a valid CAS Registry Number.