126257-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126257-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,5 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 126257-05:
(8*1)+(7*2)+(6*6)+(5*2)+(4*5)+(3*7)+(2*0)+(1*5)=114
114 % 10 = 4
So 126257-05-4 is a valid CAS Registry Number.