26681-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26681-46-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,6,8 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26681-46:
(7*2)+(6*6)+(5*6)+(4*8)+(3*1)+(2*4)+(1*6)=129
129 % 10 = 9
So 26681-46-9 is a valid CAS Registry Number.