158574-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158574-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,7 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158574-65:
(8*1)+(7*5)+(6*8)+(5*5)+(4*7)+(3*4)+(2*6)+(1*5)=173
173 % 10 = 3
So 158574-65-3 is a valid CAS Registry Number.