253128-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253128-33-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,1,2 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 253128-33:
(8*2)+(7*5)+(6*3)+(5*1)+(4*2)+(3*8)+(2*3)+(1*3)=115
115 % 10 = 5
So 253128-33-5 is a valid CAS Registry Number.