1312018-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312018-59-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,0,1 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1312018-59:
(9*1)+(8*3)+(7*1)+(6*2)+(5*0)+(4*1)+(3*8)+(2*5)+(1*9)=99
99 % 10 = 9
So 1312018-59-9 is a valid CAS Registry Number.