16253-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16253-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,5 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16253-83:
(7*1)+(6*6)+(5*2)+(4*5)+(3*3)+(2*8)+(1*3)=101
101 % 10 = 1
So 16253-83-1 is a valid CAS Registry Number.