58217-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58217-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,2,1 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 58217-23:
(7*5)+(6*8)+(5*2)+(4*1)+(3*7)+(2*2)+(1*3)=125
125 % 10 = 5
So 58217-23-5 is a valid CAS Registry Number.