158540-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158540-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,4 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 158540-66:
(8*1)+(7*5)+(6*8)+(5*5)+(4*4)+(3*0)+(2*6)+(1*6)=150
150 % 10 = 0
So 158540-66-0 is a valid CAS Registry Number.