58186-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58186-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,1,8 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58186-21:
(7*5)+(6*8)+(5*1)+(4*8)+(3*6)+(2*2)+(1*1)=143
143 % 10 = 3
So 58186-21-3 is a valid CAS Registry Number.