26453-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26453-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,4,5 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 26453-18:
(7*2)+(6*6)+(5*4)+(4*5)+(3*3)+(2*1)+(1*8)=109
109 % 10 = 9
So 26453-18-9 is a valid CAS Registry Number.