258261-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258261-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,2,6 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 258261-22:
(8*2)+(7*5)+(6*8)+(5*2)+(4*6)+(3*1)+(2*2)+(1*2)=142
142 % 10 = 2
So 258261-22-2 is a valid CAS Registry Number.