22858-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22858-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,5 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22858-19:
(7*2)+(6*2)+(5*8)+(4*5)+(3*8)+(2*1)+(1*9)=121
121 % 10 = 1
So 22858-19-1 is a valid CAS Registry Number.