1158-45-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158-45-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,5 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1158-45:
(6*1)+(5*1)+(4*5)+(3*8)+(2*4)+(1*5)=68
68 % 10 = 8
So 1158-45-8 is a valid CAS Registry Number.