1312118-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312118-04-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,1,1 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1312118-04:
(9*1)+(8*3)+(7*1)+(6*2)+(5*1)+(4*1)+(3*8)+(2*0)+(1*4)=89
89 % 10 = 9
So 1312118-04-9 is a valid CAS Registry Number.