1309166-01-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309166-01-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,1,6 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1309166-01:
(9*1)+(8*3)+(7*0)+(6*9)+(5*1)+(4*6)+(3*6)+(2*0)+(1*1)=135
135 % 10 = 5
So 1309166-01-5 is a valid CAS Registry Number.