26261-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26261-67-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,2,6 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 26261-67:
(7*2)+(6*6)+(5*2)+(4*6)+(3*1)+(2*6)+(1*7)=106
106 % 10 = 6
So 26261-67-6 is a valid CAS Registry Number.