100813-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100813-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,1 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 100813-26:
(8*1)+(7*0)+(6*0)+(5*8)+(4*1)+(3*3)+(2*2)+(1*6)=71
71 % 10 = 1
So 100813-26-1 is a valid CAS Registry Number.