100253-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100253-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,2,5 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 100253-55:
(8*1)+(7*0)+(6*0)+(5*2)+(4*5)+(3*3)+(2*5)+(1*5)=62
62 % 10 = 2
So 100253-55-2 is a valid CAS Registry Number.