26348-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26348-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,3,4 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 26348-20:
(7*2)+(6*6)+(5*3)+(4*4)+(3*8)+(2*2)+(1*0)=109
109 % 10 = 9
So 26348-20-9 is a valid CAS Registry Number.