16229-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16229-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,2 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16229-31:
(7*1)+(6*6)+(5*2)+(4*2)+(3*9)+(2*3)+(1*1)=95
95 % 10 = 5
So 16229-31-5 is a valid CAS Registry Number.