312487-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312487-59-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,4,8 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 312487-59:
(8*3)+(7*1)+(6*2)+(5*4)+(4*8)+(3*7)+(2*5)+(1*9)=135
135 % 10 = 5
So 312487-59-5 is a valid CAS Registry Number.