174221-92-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174221-92-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,2,2 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 174221-92:
(8*1)+(7*7)+(6*4)+(5*2)+(4*2)+(3*1)+(2*9)+(1*2)=122
122 % 10 = 2
So 174221-92-2 is a valid CAS Registry Number.