158529-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158529-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,2 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158529-58:
(8*1)+(7*5)+(6*8)+(5*5)+(4*2)+(3*9)+(2*5)+(1*8)=169
169 % 10 = 9
So 158529-58-9 is a valid CAS Registry Number.