259800-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259800-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,8,0 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 259800-72:
(8*2)+(7*5)+(6*9)+(5*8)+(4*0)+(3*0)+(2*7)+(1*2)=161
161 % 10 = 1
So 259800-72-1 is a valid CAS Registry Number.