673451-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 673451-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,3,4,5 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 673451-66:
(8*6)+(7*7)+(6*3)+(5*4)+(4*5)+(3*1)+(2*6)+(1*6)=176
176 % 10 = 6
So 673451-66-6 is a valid CAS Registry Number.