22838-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22838-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,3 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22838-59:
(7*2)+(6*2)+(5*8)+(4*3)+(3*8)+(2*5)+(1*9)=121
121 % 10 = 1
So 22838-59-1 is a valid CAS Registry Number.