1309375-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309375-18-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,3,7 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1309375-18:
(9*1)+(8*3)+(7*0)+(6*9)+(5*3)+(4*7)+(3*5)+(2*1)+(1*8)=155
155 % 10 = 5
So 1309375-18-5 is a valid CAS Registry Number.