258336-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258336-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,3,3 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 258336-19:
(8*2)+(7*5)+(6*8)+(5*3)+(4*3)+(3*6)+(2*1)+(1*9)=155
155 % 10 = 5
So 258336-19-5 is a valid CAS Registry Number.