126921-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126921-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,2 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126921-73:
(8*1)+(7*2)+(6*6)+(5*9)+(4*2)+(3*1)+(2*7)+(1*3)=131
131 % 10 = 1
So 126921-73-1 is a valid CAS Registry Number.