438455-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438455-59-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,4,5 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 438455-59:
(8*4)+(7*3)+(6*8)+(5*4)+(4*5)+(3*5)+(2*5)+(1*9)=175
175 % 10 = 5
So 438455-59-5 is a valid CAS Registry Number.