16672-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16672-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,7 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16672-97:
(7*1)+(6*6)+(5*6)+(4*7)+(3*2)+(2*9)+(1*7)=132
132 % 10 = 2
So 16672-97-2 is a valid CAS Registry Number.