158571-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158571-58-5 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 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158571-58:
(8*1)+(7*5)+(6*8)+(5*5)+(4*7)+(3*1)+(2*5)+(1*8)=165
165 % 10 = 5
So 158571-58-5 is a valid CAS Registry Number.