26477-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26477-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,4,7 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 26477-20:
(7*2)+(6*6)+(5*4)+(4*7)+(3*7)+(2*2)+(1*0)=123
123 % 10 = 3
So 26477-20-3 is a valid CAS Registry Number.