1158623-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158623-65-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,6,2 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1158623-65:
(9*1)+(8*1)+(7*5)+(6*8)+(5*6)+(4*2)+(3*3)+(2*6)+(1*5)=164
164 % 10 = 4
So 1158623-65-4 is a valid CAS Registry Number.