258838-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258838-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,8,3 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 258838-82:
(8*2)+(7*5)+(6*8)+(5*8)+(4*3)+(3*8)+(2*8)+(1*2)=193
193 % 10 = 3
So 258838-82-3 is a valid CAS Registry Number.