33167-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33167-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,6 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33167-28:
(7*3)+(6*3)+(5*1)+(4*6)+(3*7)+(2*2)+(1*8)=101
101 % 10 = 1
So 33167-28-1 is a valid CAS Registry Number.