1158508-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158508-31-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,5,0 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1158508-31:
(9*1)+(8*1)+(7*5)+(6*8)+(5*5)+(4*0)+(3*8)+(2*3)+(1*1)=156
156 % 10 = 6
So 1158508-31-6 is a valid CAS Registry Number.