434936-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 434936-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,4,9,3 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 434936-87:
(8*4)+(7*3)+(6*4)+(5*9)+(4*3)+(3*6)+(2*8)+(1*7)=175
175 % 10 = 5
So 434936-87-5 is a valid CAS Registry Number.