26526-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26526-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,5,2 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 26526-77:
(7*2)+(6*6)+(5*5)+(4*2)+(3*6)+(2*7)+(1*7)=122
122 % 10 = 2
So 26526-77-2 is a valid CAS Registry Number.