253-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253-11-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,5 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 253-11:
(5*2)+(4*5)+(3*3)+(2*1)+(1*1)=42
42 % 10 = 2
So 253-11-2 is a valid CAS Registry Number.