26199-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26199-61-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,9 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 26199-61:
(7*2)+(6*6)+(5*1)+(4*9)+(3*9)+(2*6)+(1*1)=131
131 % 10 = 1
So 26199-61-1 is a valid CAS Registry Number.