1309041-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309041-52-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,0,4 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1309041-52:
(9*1)+(8*3)+(7*0)+(6*9)+(5*0)+(4*4)+(3*1)+(2*5)+(1*2)=118
118 % 10 = 8
So 1309041-52-8 is a valid CAS Registry Number.