438465-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438465-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,4,6 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 438465-69:
(8*4)+(7*3)+(6*8)+(5*4)+(4*6)+(3*5)+(2*6)+(1*9)=181
181 % 10 = 1
So 438465-69-1 is a valid CAS Registry Number.